./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_0220b.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 eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:48:59,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:48:59,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:48:59,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:48:59,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:48:59,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:48:59,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:48:59,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:48:59,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:48:59,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:48:59,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:48:59,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:48:59,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:48:59,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:48:59,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:48:59,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:48:59,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:48:59,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:48:59,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:48:59,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:48:59,457 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:48:59,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:48:59,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:48:59,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:48:59,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:48:59,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:48:59,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:48:59,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:48:59,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:48:59,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:48:59,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:48:59,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:48:59,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:48:59,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:48:59,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:48:59,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:48:59,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:48:59,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:48:59,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:48:59,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:48:59,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:48:59,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:48:59,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:48:59,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:48:59,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:48:59,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:48:59,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:48:59,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:48:59,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:48:59,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:48:59,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:48:59,504 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:48:59,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:48:59,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:48:59,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:48:59,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:48:59,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:48:59,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:48:59,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:48:59,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:48:59,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:48:59,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:48:59,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:48:59,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:48:59,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:48:59,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:48:59,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:48:59,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:48:59,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:48:59,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:48:59,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:48:59,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:48:59,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:48:59,508 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:48:59,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:48:59,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:48:59,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2022-07-21 01:48:59,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:48:59,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:48:59,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:48:59,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:48:59,801 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:48:59,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2022-07-21 01:48:59,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50121fd8/f9855cad253440858a7104bb9b6e4cb5/FLAGa4b95465f [2022-07-21 01:49:00,265 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:49:00,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2022-07-21 01:49:00,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50121fd8/f9855cad253440858a7104bb9b6e4cb5/FLAGa4b95465f [2022-07-21 01:49:00,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50121fd8/f9855cad253440858a7104bb9b6e4cb5 [2022-07-21 01:49:00,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:49:00,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:49:00,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:49:00,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:49:00,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:49:00,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:49:00" (1/1) ... [2022-07-21 01:49:00,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c541ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:00, skipping insertion in model container [2022-07-21 01:49:00,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:49:00" (1/1) ... [2022-07-21 01:49:00,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:49:00,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:49:01,076 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_0220b.c[15845,15858] [2022-07-21 01:49:01,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:49:01,106 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:49:01,163 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_0220b.c[15845,15858] [2022-07-21 01:49:01,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:49:01,189 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:49:01,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01 WrapperNode [2022-07-21 01:49:01,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:49:01,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:49:01,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:49:01,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:49:01,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,276 INFO L137 Inliner]: procedures = 25, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1168 [2022-07-21 01:49:01,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:49:01,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:49:01,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:49:01,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:49:01,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:49:01,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:49:01,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:49:01,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:49:01,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (1/1) ... [2022-07-21 01:49:01,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:49:01,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:49:01,378 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) [2022-07-21 01:49:01,398 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 [2022-07-21 01:49:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-07-21 01:49:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-07-21 01:49:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:49:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:49:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-21 01:49:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 01:49:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-21 01:49:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-07-21 01:49:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-07-21 01:49:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-21 01:49:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-21 01:49:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 01:49:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-21 01:49:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-21 01:49:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-21 01:49:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 01:49:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:49:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:49:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:49:01,551 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:49:01,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:49:02,327 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:49:02,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:49:02,338 INFO L299 CfgBuilder]: Removed 61 assume(true) statements. [2022-07-21 01:49:02,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:49:02 BoogieIcfgContainer [2022-07-21 01:49:02,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:49:02,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:49:02,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:49:02,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:49:02,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:49:00" (1/3) ... [2022-07-21 01:49:02,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214bc934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:49:02, skipping insertion in model container [2022-07-21 01:49:02,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:01" (2/3) ... [2022-07-21 01:49:02,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214bc934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:49:02, skipping insertion in model container [2022-07-21 01:49:02,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:49:02" (3/3) ... [2022-07-21 01:49:02,347 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2022-07-21 01:49:02,359 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:49:02,359 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:49:02,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:49:02,409 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@3fd35dcd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@15305dc2 [2022-07-21 01:49:02,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:49:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 238 states have (on average 1.6764705882352942) internal successors, (399), 239 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-21 01:49:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 01:49:02,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:49:02,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:49:02,419 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:49:02,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:49:02,423 INFO L85 PathProgramCache]: Analyzing trace with hash -708745763, now seen corresponding path program 1 times [2022-07-21 01:49:02,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:49:02,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763609618] [2022-07-21 01:49:02,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:49:02,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:49:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:49:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:49:02,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 01:49:02,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763609618] [2022-07-21 01:49:02,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763609618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:49:02,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:49:02,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:49:02,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71093818] [2022-07-21 01:49:02,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:49:02,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:49:02,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 01:49:02,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:49:02,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:49:02,711 INFO L87 Difference]: Start difference. First operand has 256 states, 238 states have (on average 1.6764705882352942) internal successors, (399), 239 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:49:02,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:49:02,750 INFO L93 Difference]: Finished difference Result 510 states and 856 transitions. [2022-07-21 01:49:02,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:49:02,751 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 [2022-07-21 01:49:02,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:49:02,761 INFO L225 Difference]: With dead ends: 510 [2022-07-21 01:49:02,761 INFO L226 Difference]: Without dead ends: 253 [2022-07-21 01:49:02,765 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 [2022-07-21 01:49:02,767 INFO L413 NwaCegarLoop]: 357 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, 357 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 [2022-07-21 01:49:02,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:49:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-07-21 01:49:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-07-21 01:49:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 236 states have (on average 1.3983050847457628) internal successors, (330), 236 states have internal predecessors, (330), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-21 01:49:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 354 transitions. [2022-07-21 01:49:02,806 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 354 transitions. Word has length 10 [2022-07-21 01:49:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:49:02,806 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 354 transitions. [2022-07-21 01:49:02,806 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) [2022-07-21 01:49:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 354 transitions. [2022-07-21 01:49:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 01:49:02,807 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:49:02,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:49:02,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 01:49:02,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:49:02,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:49:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash 759938259, now seen corresponding path program 1 times [2022-07-21 01:49:02,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:49:02,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408582390] [2022-07-21 01:49:02,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:49:02,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:49:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:49:02,943 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 01:49:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:49:03,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 01:49:03,081 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 01:49:03,082 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:49:03,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 01:49:03,086 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-21 01:49:03,088 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:49:03,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:49:03 BoogieIcfgContainer [2022-07-21 01:49:03,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:49:03,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:49:03,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:49:03,135 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:49:03,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:49:02" (3/4) ... [2022-07-21 01:49:03,137 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 01:49:03,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:49:03,138 INFO L158 Benchmark]: Toolchain (without parser) took 2491.08ms. Allocated memory was 67.1MB in the beginning and 119.5MB in the end (delta: 52.4MB). Free memory was 47.3MB in the beginning and 74.2MB in the end (delta: -26.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-07-21 01:49:03,139 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:49:03,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.44ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 34.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 01:49:03,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.63ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 34.2MB in the beginning and 68.0MB in the end (delta: -33.8MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-21 01:49:03,140 INFO L158 Benchmark]: Boogie Preprocessor took 63.60ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 60.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 01:49:03,140 INFO L158 Benchmark]: RCFGBuilder took 999.24ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 53.6MB in the end (delta: 7.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-07-21 01:49:03,141 INFO L158 Benchmark]: TraceAbstraction took 792.11ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 53.0MB in the beginning and 74.2MB in the end (delta: -21.2MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-07-21 01:49:03,141 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 119.5MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:49:03,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.44ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 34.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.63ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 34.2MB in the beginning and 68.0MB in the end (delta: -33.8MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.60ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 60.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 999.24ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 53.6MB in the end (delta: 7.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 792.11ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 53.0MB in the beginning and 74.2MB in the end (delta: -21.2MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 119.5MB. Free memory is still 74.2MB. 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 507, overapproximation of bitwiseAnd at line 594, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 599. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L90-L92] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L165] static const int init_jk_krempio[] = {4, 7, 9}; [L167-L171] 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, }; [L173-L175] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L350-L368] 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, }; [L370-L376] 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}; [L378-L387] 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; [L507-L510] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L534-L537] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L574-L582] 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 [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, 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_kcos=1, 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, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, 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 sin_float(x) [L585] float y[2], z = 0.0; [L586] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, 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_kcos=1, 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, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, 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=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L589] ieee_float_shape_type gf_u; [L590] gf_u.value = (x) [L591] EXPR gf_u.word [L591] (ix) = gf_u.word [L594] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, 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_kcos=1, 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, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, 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=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, 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_kcos=1, 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, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, 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=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L598] COND TRUE !((ix) < 0x7f800000L) [L599] return x - x; [L599] return x - x; VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, 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_kcos=1, 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, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, 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=1000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR sin_float(x) [L625] float res = sin_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, 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_kcos=1, 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, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, 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=1000000000000000000000000000003, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, 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_kcos=1, 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, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, 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=1000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 357 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, 357 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=256occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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 [2022-07-21 01:49:03,177 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_0220b.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 eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:49:05,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:49:05,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:49:05,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:49:05,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:49:05,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:49:05,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:49:05,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:49:05,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:49:05,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:49:05,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:49:05,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:49:05,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:49:05,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:49:05,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:49:05,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:49:05,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:49:05,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:49:05,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:49:05,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:49:05,368 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:49:05,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:49:05,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:49:05,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:49:05,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:49:05,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:49:05,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:49:05,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:49:05,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:49:05,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:49:05,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:49:05,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:49:05,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:49:05,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:49:05,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:49:05,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:49:05,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:49:05,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:49:05,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:49:05,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:49:05,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:49:05,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:49:05,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:49:05,413 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:49:05,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:49:05,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:49:05,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:49:05,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:49:05,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:49:05,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:49:05,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:49:05,416 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:49:05,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:49:05,417 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:49:05,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:49:05,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:49:05,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:49:05,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:49:05,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:49:05,428 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:49:05,429 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:49:05,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:49:05,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:49:05,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:49:05,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:49:05,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:49:05,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:49:05,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:49:05,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:49:05,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:49:05,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:49:05,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:49:05,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:49:05,431 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:49:05,431 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:49:05,431 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:49:05,431 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:49:05,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:49:05,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:49:05,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2022-07-21 01:49:05,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:49:05,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:49:05,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:49:05,723 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:49:05,723 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:49:05,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2022-07-21 01:49:05,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ea53753/286ed0db6fe94d09a7df55633317bb18/FLAG7da4954f5 [2022-07-21 01:49:06,215 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:49:06,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2022-07-21 01:49:06,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ea53753/286ed0db6fe94d09a7df55633317bb18/FLAG7da4954f5 [2022-07-21 01:49:06,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ea53753/286ed0db6fe94d09a7df55633317bb18 [2022-07-21 01:49:06,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:49:06,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:49:06,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:49:06,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:49:06,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:49:06,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2359bb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06, skipping insertion in model container [2022-07-21 01:49:06,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:49:06,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:49:06,511 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_0220b.c[15845,15858] [2022-07-21 01:49:06,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:49:06,546 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:49:06,605 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_0220b.c[15845,15858] [2022-07-21 01:49:06,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:49:06,648 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:49:06,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06 WrapperNode [2022-07-21 01:49:06,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:49:06,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:49:06,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:49:06,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:49:06,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,727 INFO L137 Inliner]: procedures = 29, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1154 [2022-07-21 01:49:06,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:49:06,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:49:06,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:49:06,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:49:06,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:49:06,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:49:06,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:49:06,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:49:06,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (1/1) ... [2022-07-21 01:49:06,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:49:06,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:49:06,845 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) [2022-07-21 01:49:06,918 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 [2022-07-21 01:49:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-07-21 01:49:06,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-07-21 01:49:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:49:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 01:49:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 01:49:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:49:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-21 01:49:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 01:49:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-07-21 01:49:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-07-21 01:49:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-21 01:49:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-21 01:49:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-21 01:49:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-21 01:49:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-21 01:49:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-21 01:49:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:49:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:49:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 01:49:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:49:07,167 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:49:07,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:49:43,346 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:49:43,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:49:43,362 INFO L299 CfgBuilder]: Removed 61 assume(true) statements. [2022-07-21 01:49:43,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:49:43 BoogieIcfgContainer [2022-07-21 01:49:43,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:49:43,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:49:43,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:49:43,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:49:43,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:49:06" (1/3) ... [2022-07-21 01:49:43,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f220a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:49:43, skipping insertion in model container [2022-07-21 01:49:43,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:49:06" (2/3) ... [2022-07-21 01:49:43,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f220a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:49:43, skipping insertion in model container [2022-07-21 01:49:43,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:49:43" (3/3) ... [2022-07-21 01:49:43,390 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2022-07-21 01:49:43,417 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:49:43,418 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:49:43,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:49:43,502 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@699677b0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c4bf0e [2022-07-21 01:49:43,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:49:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 231 states have (on average 1.6623376623376624) internal successors, (384), 232 states have internal predecessors, (384), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-21 01:49:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 01:49:43,516 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:49:43,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:49:43,517 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:49:43,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:49:43,522 INFO L85 PathProgramCache]: Analyzing trace with hash -709361443, now seen corresponding path program 1 times [2022-07-21 01:49:43,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:49:43,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889598041] [2022-07-21 01:49:43,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:49:43,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:49:43,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:49:43,540 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) [2022-07-21 01:49:43,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 01:49:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:49:45,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 01:49:45,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:49:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:49:45,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:49:45,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:49:45,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889598041] [2022-07-21 01:49:45,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889598041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:49:45,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:49:45,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:49:45,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277159326] [2022-07-21 01:49:45,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:49:45,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:49:45,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:49:45,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:49:45,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:49:45,318 INFO L87 Difference]: Start difference. First operand has 249 states, 231 states have (on average 1.6623376623376624) internal successors, (384), 232 states have internal predecessors, (384), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:49:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:49:45,363 INFO L93 Difference]: Finished difference Result 496 states and 826 transitions. [2022-07-21 01:49:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:49:45,365 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 [2022-07-21 01:49:45,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:49:45,372 INFO L225 Difference]: With dead ends: 496 [2022-07-21 01:49:45,375 INFO L226 Difference]: Without dead ends: 246 [2022-07-21 01:49:45,380 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 [2022-07-21 01:49:45,382 INFO L413 NwaCegarLoop]: 346 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, 346 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 [2022-07-21 01:49:45,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:49:45,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-07-21 01:49:45,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2022-07-21 01:49:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 229 states have (on average 1.3930131004366813) internal successors, (319), 229 states have internal predecessors, (319), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-21 01:49:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 343 transitions. [2022-07-21 01:49:45,422 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 343 transitions. Word has length 10 [2022-07-21 01:49:45,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:49:45,423 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 343 transitions. [2022-07-21 01:49:45,423 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) [2022-07-21 01:49:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 343 transitions. [2022-07-21 01:49:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 01:49:45,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:49:45,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:49:45,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 01:49:45,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:49:45,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:49:45,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:49:45,627 INFO L85 PathProgramCache]: Analyzing trace with hash 759322579, now seen corresponding path program 1 times [2022-07-21 01:49:45,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:49:45,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920502821] [2022-07-21 01:49:45,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:49:45,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:49:45,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:49:45,631 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) [2022-07-21 01:49:45,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 01:49:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:49:47,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:49:47,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:49:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:49:47,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:49:47,724 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:49:47,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920502821] [2022-07-21 01:49:47,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920502821] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:49:47,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:49:47,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 01:49:47,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385331980] [2022-07-21 01:49:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:49:47,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 01:49:47,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:49:47,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 01:49:47,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:49:47,727 INFO L87 Difference]: Start difference. First operand 246 states and 343 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) [2022-07-21 01:49:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:49:47,956 INFO L93 Difference]: Finished difference Result 265 states and 364 transitions. [2022-07-21 01:49:47,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 01:49:47,957 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 [2022-07-21 01:49:47,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:49:47,958 INFO L225 Difference]: With dead ends: 265 [2022-07-21 01:49:47,958 INFO L226 Difference]: Without dead ends: 27 [2022-07-21 01:49:47,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 01:49:47,960 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 102 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 [2022-07-21 01:49:47,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 102 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 3 Unchecked, 0.1s Time] [2022-07-21 01:49:47,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-07-21 01:49:47,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-07-21 01:49:47,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-07-21 01:49:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-07-21 01:49:47,968 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2022-07-21 01:49:47,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:49:47,969 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-07-21 01:49:47,969 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) [2022-07-21 01:49:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-07-21 01:49:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 01:49:47,970 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:49:47,970 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] [2022-07-21 01:49:48,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 01:49:48,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:49:48,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:49:48,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:49:48,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1983106081, now seen corresponding path program 1 times [2022-07-21 01:49:48,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:49:48,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746254488] [2022-07-21 01:49:48,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:49:48,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:49:48,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:49:48,212 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) [2022-07-21 01:49:48,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 01:49:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:49:49,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 01:49:49,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:49:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:49:50,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:49:50,240 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:49:50,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746254488] [2022-07-21 01:49:50,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746254488] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:49:50,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:49:50,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 01:49:50,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958951764] [2022-07-21 01:49:50,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:49:50,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 01:49:50,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:49:50,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 01:49:50,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 01:49:50,241 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-07-21 01:49:52,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:49:54,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:49:56,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:49:58,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:49:59,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:49:59,110 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-07-21 01:49:59,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 01:49:59,111 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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 20 [2022-07-21 01:49:59,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:49:59,111 INFO L225 Difference]: With dead ends: 42 [2022-07-21 01:49:59,112 INFO L226 Difference]: Without dead ends: 39 [2022-07-21 01:49:59,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 01:49:59,112 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 35 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-21 01:49:59,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 122 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-07-21 01:49:59,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-07-21 01:49:59,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2022-07-21 01:49:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 01:49:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-07-21 01:49:59,116 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2022-07-21 01:49:59,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:49:59,116 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-07-21 01:49:59,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-07-21 01:49:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-07-21 01:49:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-21 01:49:59,117 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:49:59,117 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] [2022-07-21 01:49:59,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 01:49:59,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:49:59,320 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:49:59,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:49:59,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1085069118, now seen corresponding path program 1 times [2022-07-21 01:49:59,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:49:59,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427423168] [2022-07-21 01:49:59,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:49:59,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:49:59,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:49:59,325 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) [2022-07-21 01:49:59,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 01:50:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:50:01,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-21 01:50:01,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:50:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:50:01,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:50:01,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:50:01,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427423168] [2022-07-21 01:50:01,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427423168] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:50:01,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:50:01,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 01:50:01,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437865645] [2022-07-21 01:50:01,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:50:01,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 01:50:01,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:50:01,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 01:50:01,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 01:50:01,920 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-07-21 01:50:02,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:50:02,208 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-07-21 01:50:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 01:50:02,211 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 21 [2022-07-21 01:50:02,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:50:02,211 INFO L225 Difference]: With dead ends: 46 [2022-07-21 01:50:02,211 INFO L226 Difference]: Without dead ends: 32 [2022-07-21 01:50:02,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 01:50:02,212 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 01:50:02,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 124 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 14 Unchecked, 0.2s Time] [2022-07-21 01:50:02,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-07-21 01:50:02,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-07-21 01:50:02,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 01:50:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2022-07-21 01:50:02,215 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2022-07-21 01:50:02,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:50:02,215 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-07-21 01:50:02,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-07-21 01:50:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-07-21 01:50:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 01:50:02,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:50:02,215 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] [2022-07-21 01:50:02,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 01:50:02,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:50:02,432 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:50:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:50:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash 452402173, now seen corresponding path program 1 times [2022-07-21 01:50:02,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:50:02,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126769672] [2022-07-21 01:50:02,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:50:02,434 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:50:02,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:50:02,435 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) [2022-07-21 01:50:02,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 01:50:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:50:04,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 01:50:04,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:50:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:50:04,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:50:04,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:50:04,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126769672] [2022-07-21 01:50:04,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126769672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:50:04,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:50:04,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 01:50:04,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073158594] [2022-07-21 01:50:04,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:50:04,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 01:50:04,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:50:04,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 01:50:04,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:50:04,756 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2022-07-21 01:50:07,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:50:09,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:50:11,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:50:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:50:11,518 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2022-07-21 01:50:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:50:11,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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 [2022-07-21 01:50:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:50:11,576 INFO L225 Difference]: With dead ends: 39 [2022-07-21 01:50:11,576 INFO L226 Difference]: Without dead ends: 25 [2022-07-21 01:50:11,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:50:11,577 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-21 01:50:11,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 65 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2022-07-21 01:50:11,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-07-21 01:50:11,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-07-21 01:50:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 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) [2022-07-21 01:50:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2022-07-21 01:50:11,579 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 22 [2022-07-21 01:50:11,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:50:11,579 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2022-07-21 01:50:11,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2022-07-21 01:50:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2022-07-21 01:50:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-21 01:50:11,579 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:50:11,579 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] [2022-07-21 01:50:11,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 01:50:11,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:50:11,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:50:11,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:50:11,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1043993930, now seen corresponding path program 1 times [2022-07-21 01:50:11,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:50:11,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710998592] [2022-07-21 01:50:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:50:11,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:50:11,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:50:11,782 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) [2022-07-21 01:50:11,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 01:50:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:50:13,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 01:50:13,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:50:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:50:14,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:50:14,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:50:14,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710998592] [2022-07-21 01:50:14,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710998592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:50:14,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:50:14,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 01:50:14,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732779150] [2022-07-21 01:50:14,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:50:14,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 01:50:14,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:50:14,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 01:50:14,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 01:50:14,191 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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) [2022-07-21 01:50:16,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:50:16,009 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2022-07-21 01:50:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 01:50:16,010 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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 24 [2022-07-21 01:50:16,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:50:16,010 INFO L225 Difference]: With dead ends: 25 [2022-07-21 01:50:16,011 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 01:50:16,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2022-07-21 01:50:16,013 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 24 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 01:50:16,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 101 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 01:50:16,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 01:50:16,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 01:50:16,015 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) [2022-07-21 01:50:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 01:50:16,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-07-21 01:50:16,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:50:16,015 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 01:50:16,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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) [2022-07-21 01:50:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 01:50:16,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 01:50:16,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:50:16,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-21 01:50:16,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:50:16,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 01:50:16,989 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 562 566) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L902 garLoopResultBuilder]: At program point L562-2(lines 562 566) the Hoare annotation is: true [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L562-3(lines 559 567) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 571) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 551) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L548-2(lines 548 551) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L902 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 539 572) the Hoare annotation is: true [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L902 garLoopResultBuilder]: At program point L542-2(lines 542 546) the Hoare annotation is: true [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L542-3(lines 542 546) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 539 572) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 567) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 550) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 539 572) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 70 88) no Hoare annotation was computed. [2022-07-21 01:50:16,990 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L77-1(lines 70 88) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 70 88) the Hoare annotation is: true [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 86) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 70 88) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 72 76) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L902 garLoopResultBuilder]: At program point L72-2(lines 72 76) the Hoare annotation is: true [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 70 88) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 512 532) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L521-2(lines 521 524) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L895 garLoopResultBuilder]: At program point L515-2(lines 515 519) the Hoare annotation is: (= __kernel_sinf_~x |__kernel_sinf_#in~x|) [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L902 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 512 532) the Hoare annotation is: true [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 531) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 523) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 512 532) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L300-2(lines 300 304) no Hoare annotation was computed. [2022-07-21 01:50:16,991 INFO L895 garLoopResultBuilder]: At program point L300-3(lines 300 304) the Hoare annotation is: false [2022-07-21 01:50:16,991 INFO L899 garLoopResultBuilder]: For program point L300-4(lines 300 304) no Hoare annotation was computed. [2022-07-21 01:50:16,992 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-07-21 01:50:16,992 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 613) no Hoare annotation was computed. [2022-07-21 01:50:16,992 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-07-21 01:50:16,996 INFO L899 garLoopResultBuilder]: For program point L301-2(lines 301 302) no Hoare annotation was computed. [2022-07-21 01:50:16,996 INFO L895 garLoopResultBuilder]: At program point L301-3(lines 301 302) the Hoare annotation is: false [2022-07-21 01:50:16,996 INFO L899 garLoopResultBuilder]: For program point L301-4(lines 301 302) no Hoare annotation was computed. [2022-07-21 01:50:16,997 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-07-21 01:50:16,997 INFO L899 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2022-07-21 01:50:16,997 INFO L895 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2022-07-21 01:50:16,997 INFO L899 garLoopResultBuilder]: For program point L335-4(lines 306 346) no Hoare annotation was computed. [2022-07-21 01:50:16,997 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2022-07-21 01:50:16,997 INFO L902 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2022-07-21 01:50:16,997 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2022-07-21 01:50:16,997 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2022-07-21 01:50:16,998 INFO L895 garLoopResultBuilder]: At program point L271(lines 178 348) the Hoare annotation is: false [2022-07-21 01:50:16,998 INFO L899 garLoopResultBuilder]: For program point L205-2(lines 205 209) no Hoare annotation was computed. [2022-07-21 01:50:16,998 INFO L895 garLoopResultBuilder]: At program point L205-3(lines 205 209) the Hoare annotation is: false [2022-07-21 01:50:16,998 INFO L895 garLoopResultBuilder]: At program point L205-4(lines 205 209) the Hoare annotation is: false [2022-07-21 01:50:16,998 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-07-21 01:50:16,998 INFO L899 garLoopResultBuilder]: For program point L437-2(lines 437 469) no Hoare annotation was computed. [2022-07-21 01:50:16,998 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 226 254) no Hoare annotation was computed. [2022-07-21 01:50:16,998 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 612) no Hoare annotation was computed. [2022-07-21 01:50:16,998 INFO L895 garLoopResultBuilder]: At program point L504(lines 389 505) the Hoare annotation is: false [2022-07-21 01:50:16,998 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 476) no Hoare annotation was computed. [2022-07-21 01:50:16,999 INFO L895 garLoopResultBuilder]: At program point L306(lines 306 346) the Hoare annotation is: false [2022-07-21 01:50:16,999 INFO L895 garLoopResultBuilder]: At program point L240(lines 240 247) the Hoare annotation is: false [2022-07-21 01:50:16,999 INFO L899 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2022-07-21 01:50:16,999 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 430) no Hoare annotation was computed. [2022-07-21 01:50:16,999 INFO L899 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2022-07-21 01:50:16,999 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2022-07-21 01:50:16,999 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: false [2022-07-21 01:50:16,999 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2022-07-21 01:50:17,000 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 429) no Hoare annotation was computed. [2022-07-21 01:50:17,000 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2022-07-21 01:50:17,000 INFO L899 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2022-07-21 01:50:17,000 INFO L895 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2022-07-21 01:50:17,000 INFO L899 garLoopResultBuilder]: For program point L309-4(lines 306 346) no Hoare annotation was computed. [2022-07-21 01:50:17,000 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 48) no Hoare annotation was computed. [2022-07-21 01:50:17,000 INFO L895 garLoopResultBuilder]: At program point L607(line 607) the Hoare annotation is: false [2022-07-21 01:50:17,000 INFO L899 garLoopResultBuilder]: For program point L607-1(line 607) no Hoare annotation was computed. [2022-07-21 01:50:17,000 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 416) no Hoare annotation was computed. [2022-07-21 01:50:17,001 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 416) no Hoare annotation was computed. [2022-07-21 01:50:17,001 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2022-07-21 01:50:17,001 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-21 01:50:17,001 INFO L899 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2022-07-21 01:50:17,001 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 443 447) no Hoare annotation was computed. [2022-07-21 01:50:17,001 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 443 447) the Hoare annotation is: false [2022-07-21 01:50:17,001 INFO L899 garLoopResultBuilder]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2022-07-21 01:50:17,001 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2022-07-21 01:50:17,001 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 281) no Hoare annotation was computed. [2022-07-21 01:50:17,002 INFO L895 garLoopResultBuilder]: At program point L278-3(lines 278 281) the Hoare annotation is: false [2022-07-21 01:50:17,002 INFO L895 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: false [2022-07-21 01:50:17,002 INFO L899 garLoopResultBuilder]: For program point L609-1(line 609) no Hoare annotation was computed. [2022-07-21 01:50:17,002 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2022-07-21 01:50:17,002 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2022-07-21 01:50:17,002 INFO L899 garLoopResultBuilder]: For program point L313-2(line 313) no Hoare annotation was computed. [2022-07-21 01:50:17,002 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 148 152) no Hoare annotation was computed. [2022-07-21 01:50:17,003 INFO L895 garLoopResultBuilder]: At program point L148-2(lines 148 152) the Hoare annotation is: false [2022-07-21 01:50:17,003 INFO L895 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: false [2022-07-21 01:50:17,003 INFO L899 garLoopResultBuilder]: For program point L611-1(line 611) no Hoare annotation was computed. [2022-07-21 01:50:17,003 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 482) no Hoare annotation was computed. [2022-07-21 01:50:17,003 INFO L895 garLoopResultBuilder]: At program point L347(lines 177 348) the Hoare annotation is: false [2022-07-21 01:50:17,003 INFO L899 garLoopResultBuilder]: For program point L314(line 314) no Hoare annotation was computed. [2022-07-21 01:50:17,004 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 54) no Hoare annotation was computed. [2022-07-21 01:50:17,004 INFO L899 garLoopResultBuilder]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2022-07-21 01:50:17,004 INFO L899 garLoopResultBuilder]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2022-07-21 01:50:17,004 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2022-07-21 01:50:17,004 INFO L899 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2022-07-21 01:50:17,004 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: false [2022-07-21 01:50:17,004 INFO L899 garLoopResultBuilder]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2022-07-21 01:50:17,004 INFO L895 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: false [2022-07-21 01:50:17,004 INFO L899 garLoopResultBuilder]: For program point L283-1(line 283) no Hoare annotation was computed. [2022-07-21 01:50:17,004 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 316 317) no Hoare annotation was computed. [2022-07-21 01:50:17,005 INFO L895 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2022-07-21 01:50:17,005 INFO L899 garLoopResultBuilder]: For program point L316-4(lines 306 346) no Hoare annotation was computed. [2022-07-21 01:50:17,005 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 468) no Hoare annotation was computed. [2022-07-21 01:50:17,005 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 437 469) no Hoare annotation was computed. [2022-07-21 01:50:17,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 01:50:17,005 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 291) no Hoare annotation was computed. [2022-07-21 01:50:17,005 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 252) no Hoare annotation was computed. [2022-07-21 01:50:17,005 INFO L895 garLoopResultBuilder]: At program point L284-2(lines 275 292) the Hoare annotation is: false [2022-07-21 01:50:17,005 INFO L899 garLoopResultBuilder]: For program point L318-1(line 318) no Hoare annotation was computed. [2022-07-21 01:50:17,005 INFO L895 garLoopResultBuilder]: At program point L252(line 252) the Hoare annotation is: false [2022-07-21 01:50:17,006 INFO L899 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2022-07-21 01:50:17,006 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 157) no Hoare annotation was computed. [2022-07-21 01:50:17,006 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 146 159) no Hoare annotation was computed. [2022-07-21 01:50:17,007 INFO L899 garLoopResultBuilder]: For program point L153-2(lines 153 157) no Hoare annotation was computed. [2022-07-21 01:50:17,007 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 188) no Hoare annotation was computed. [2022-07-21 01:50:17,007 INFO L899 garLoopResultBuilder]: For program point L187-2(lines 187 188) no Hoare annotation was computed. [2022-07-21 01:50:17,007 INFO L895 garLoopResultBuilder]: At program point L55(lines 15 56) the Hoare annotation is: false [2022-07-21 01:50:17,007 INFO L895 garLoopResultBuilder]: At program point L584(lines 584 614) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2022-07-21 01:50:17,007 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2022-07-21 01:50:17,007 INFO L895 garLoopResultBuilder]: At program point L485-2(lines 485 489) the Hoare annotation is: false [2022-07-21 01:50:17,007 INFO L899 garLoopResultBuilder]: For program point L485-3(lines 485 489) no Hoare annotation was computed. [2022-07-21 01:50:17,007 INFO L899 garLoopResultBuilder]: For program point L320-2(lines 320 321) no Hoare annotation was computed. [2022-07-21 01:50:17,008 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 224) no Hoare annotation was computed. [2022-07-21 01:50:17,008 INFO L895 garLoopResultBuilder]: At program point L320-3(lines 320 321) the Hoare annotation is: false [2022-07-21 01:50:17,008 INFO L899 garLoopResultBuilder]: For program point L320-4(lines 306 346) no Hoare annotation was computed. [2022-07-21 01:50:17,008 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2022-07-21 01:50:17,008 INFO L899 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2022-07-21 01:50:17,008 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2022-07-21 01:50:17,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 01:50:17,009 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 224) no Hoare annotation was computed. [2022-07-21 01:50:17,009 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 178 348) no Hoare annotation was computed. [2022-07-21 01:50:17,009 INFO L899 garLoopResultBuilder]: For program point L223-2(lines 178 348) no Hoare annotation was computed. [2022-07-21 01:50:17,009 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 49) no Hoare annotation was computed. [2022-07-21 01:50:17,009 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2022-07-21 01:50:17,010 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 459) the Hoare annotation is: false [2022-07-21 01:50:17,010 INFO L899 garLoopResultBuilder]: For program point L455-3(lines 455 459) no Hoare annotation was computed. [2022-07-21 01:50:17,010 INFO L895 garLoopResultBuilder]: At program point L158(lines 146 159) the Hoare annotation is: false [2022-07-21 01:50:17,010 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 43) no Hoare annotation was computed. [2022-07-21 01:50:17,013 INFO L899 garLoopResultBuilder]: For program point L588-1(lines 588 592) no Hoare annotation was computed. [2022-07-21 01:50:17,014 INFO L895 garLoopResultBuilder]: At program point L588-2(lines 588 592) the Hoare annotation is: (= |ULTIMATE.start_sin_float_~x#1| (fp.neg (_ +zero 8 24))) [2022-07-21 01:50:17,014 INFO L899 garLoopResultBuilder]: For program point L588-3(lines 588 592) no Hoare annotation was computed. [2022-07-21 01:50:17,014 INFO L899 garLoopResultBuilder]: For program point L324(line 324) no Hoare annotation was computed. [2022-07-21 01:50:17,014 INFO L899 garLoopResultBuilder]: For program point L258-2(lines 258 259) no Hoare annotation was computed. [2022-07-21 01:50:17,014 INFO L895 garLoopResultBuilder]: At program point L258-3(lines 258 259) the Hoare annotation is: false [2022-07-21 01:50:17,014 INFO L899 garLoopResultBuilder]: For program point L258-4(lines 256 273) no Hoare annotation was computed. [2022-07-21 01:50:17,014 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 33) no Hoare annotation was computed. [2022-07-21 01:50:17,014 INFO L899 garLoopResultBuilder]: For program point L490-2(lines 490 493) no Hoare annotation was computed. [2022-07-21 01:50:17,015 INFO L895 garLoopResultBuilder]: At program point L490-3(lines 490 493) the Hoare annotation is: false [2022-07-21 01:50:17,015 INFO L899 garLoopResultBuilder]: For program point L490-4(lines 490 493) no Hoare annotation was computed. [2022-07-21 01:50:17,015 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2022-07-21 01:50:17,015 INFO L899 garLoopResultBuilder]: For program point L226(lines 178 348) no Hoare annotation was computed. [2022-07-21 01:50:17,015 INFO L895 garLoopResultBuilder]: At program point L325-3(lines 325 329) the Hoare annotation is: false [2022-07-21 01:50:17,015 INFO L899 garLoopResultBuilder]: For program point L325-4(lines 325 329) no Hoare annotation was computed. [2022-07-21 01:50:17,015 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 194) no Hoare annotation was computed. [2022-07-21 01:50:17,015 INFO L895 garLoopResultBuilder]: At program point L193-3(lines 193 194) the Hoare annotation is: false [2022-07-21 01:50:17,015 INFO L899 garLoopResultBuilder]: For program point L193-4(lines 193 194) no Hoare annotation was computed. [2022-07-21 01:50:17,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 32) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L895 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short134#1| (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L194-2(line 194) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L261-1(lines 261 262) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L261-3(lines 261 262) no Hoare annotation was computed. [2022-07-21 01:50:17,016 INFO L895 garLoopResultBuilder]: At program point L261-4(lines 261 262) the Hoare annotation is: false [2022-07-21 01:50:17,016 INFO L899 garLoopResultBuilder]: For program point L261-5(lines 261 262) no Hoare annotation was computed. [2022-07-21 01:50:17,017 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2022-07-21 01:50:17,017 INFO L899 garLoopResultBuilder]: For program point L295-2(lines 295 298) no Hoare annotation was computed. [2022-07-21 01:50:17,017 INFO L895 garLoopResultBuilder]: At program point L295-3(lines 295 298) the Hoare annotation is: false [2022-07-21 01:50:17,017 INFO L899 garLoopResultBuilder]: For program point L229-2(lines 229 238) no Hoare annotation was computed. [2022-07-21 01:50:17,017 INFO L899 garLoopResultBuilder]: For program point L295-4(lines 295 298) no Hoare annotation was computed. [2022-07-21 01:50:17,017 INFO L899 garLoopResultBuilder]: For program point L196-2(lines 196 200) no Hoare annotation was computed. [2022-07-21 01:50:17,017 INFO L895 garLoopResultBuilder]: At program point L229-3(lines 229 238) the Hoare annotation is: false [2022-07-21 01:50:17,017 INFO L895 garLoopResultBuilder]: At program point L196-3(lines 196 200) the Hoare annotation is: false [2022-07-21 01:50:17,017 INFO L899 garLoopResultBuilder]: For program point L229-4(lines 226 254) no Hoare annotation was computed. [2022-07-21 01:50:17,017 INFO L899 garLoopResultBuilder]: For program point L196-4(lines 196 200) no Hoare annotation was computed. [2022-07-21 01:50:17,017 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2022-07-21 01:50:17,018 INFO L899 garLoopResultBuilder]: For program point L395-1(lines 395 399) no Hoare annotation was computed. [2022-07-21 01:50:17,018 INFO L895 garLoopResultBuilder]: At program point L395-2(lines 395 399) the Hoare annotation is: false [2022-07-21 01:50:17,018 INFO L899 garLoopResultBuilder]: For program point L395-3(lines 395 399) no Hoare annotation was computed. [2022-07-21 01:50:17,018 INFO L899 garLoopResultBuilder]: For program point L197-2(lines 197 198) no Hoare annotation was computed. [2022-07-21 01:50:17,018 INFO L895 garLoopResultBuilder]: At program point L197-3(lines 197 198) the Hoare annotation is: false [2022-07-21 01:50:17,018 INFO L899 garLoopResultBuilder]: For program point L197-4(lines 197 198) no Hoare annotation was computed. [2022-07-21 01:50:17,018 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 01:50:17,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2022-07-21 01:50:17,018 INFO L899 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2022-07-21 01:50:17,018 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2022-07-21 01:50:17,019 INFO L895 garLoopResultBuilder]: At program point L330-3(lines 330 334) the Hoare annotation is: false [2022-07-21 01:50:17,019 INFO L899 garLoopResultBuilder]: For program point L264-2(lines 264 269) no Hoare annotation was computed. [2022-07-21 01:50:17,019 INFO L899 garLoopResultBuilder]: For program point L330-4(lines 330 334) no Hoare annotation was computed. [2022-07-21 01:50:17,019 INFO L895 garLoopResultBuilder]: At program point L264-3(lines 264 269) the Hoare annotation is: false [2022-07-21 01:50:17,019 INFO L899 garLoopResultBuilder]: For program point L264-4(lines 264 269) no Hoare annotation was computed. [2022-07-21 01:50:17,019 INFO L899 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2022-07-21 01:50:17,019 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 613) no Hoare annotation was computed. [2022-07-21 01:50:17,019 INFO L899 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2022-07-21 01:50:17,019 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 496 497) no Hoare annotation was computed. [2022-07-21 01:50:17,019 INFO L895 garLoopResultBuilder]: At program point L496-3(lines 496 497) the Hoare annotation is: false [2022-07-21 01:50:17,020 INFO L899 garLoopResultBuilder]: For program point L496-4(lines 496 497) no Hoare annotation was computed. [2022-07-21 01:50:17,020 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 235) no Hoare annotation was computed. [2022-07-21 01:50:17,020 INFO L895 garLoopResultBuilder]: At program point L67(lines 58 68) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short134#1| (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|))) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2022-07-21 01:50:17,020 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2022-07-21 01:50:17,020 INFO L895 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: (= |ULTIMATE.start_sin_float_~x#1| (fp.neg (_ +zero 8 24))) [2022-07-21 01:50:17,020 INFO L899 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2022-07-21 01:50:17,020 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 477) no Hoare annotation was computed. [2022-07-21 01:50:17,020 INFO L899 garLoopResultBuilder]: For program point L266-2(lines 266 267) no Hoare annotation was computed. [2022-07-21 01:50:17,020 INFO L895 garLoopResultBuilder]: At program point L266-3(lines 266 267) the Hoare annotation is: false [2022-07-21 01:50:17,020 INFO L899 garLoopResultBuilder]: For program point L266-4(lines 266 267) no Hoare annotation was computed. [2022-07-21 01:50:17,021 INFO L902 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2022-07-21 01:50:17,021 INFO L899 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2022-07-21 01:50:17,021 INFO L902 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: true [2022-07-21 01:50:17,021 INFO L899 garLoopResultBuilder]: For program point L135-1(line 135) no Hoare annotation was computed. [2022-07-21 01:50:17,021 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 136) no Hoare annotation was computed. [2022-07-21 01:50:17,021 INFO L899 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2022-07-21 01:50:17,021 INFO L902 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: true [2022-07-21 01:50:17,021 INFO L899 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2022-07-21 01:50:17,021 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 130) no Hoare annotation was computed. [2022-07-21 01:50:17,021 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2022-07-21 01:50:17,021 INFO L902 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: true [2022-07-21 01:50:17,022 INFO L899 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 94 144) no Hoare annotation was computed. [2022-07-21 01:50:17,022 INFO L899 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2022-07-21 01:50:17,022 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2022-07-21 01:50:17,022 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 135) no Hoare annotation was computed. [2022-07-21 01:50:17,022 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2022-07-21 01:50:17,022 INFO L902 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2022-07-21 01:50:17,022 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2022-07-21 01:50:17,022 INFO L899 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 94 144) no Hoare annotation was computed. [2022-07-21 01:50:17,022 INFO L902 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 94 144) the Hoare annotation is: true [2022-07-21 01:50:17,022 INFO L902 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: true [2022-07-21 01:50:17,023 INFO L899 garLoopResultBuilder]: For program point L133-1(line 133) no Hoare annotation was computed. [2022-07-21 01:50:17,023 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2022-07-21 01:50:17,023 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-07-21 01:50:17,023 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 119) no Hoare annotation was computed. [2022-07-21 01:50:17,023 INFO L899 garLoopResultBuilder]: For program point L109-2(lines 109 119) no Hoare annotation was computed. [2022-07-21 01:50:17,023 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 106) no Hoare annotation was computed. [2022-07-21 01:50:17,023 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2022-07-21 01:50:17,023 INFO L902 garLoopResultBuilder]: At program point L138-2(lines 138 142) the Hoare annotation is: true [2022-07-21 01:50:17,023 INFO L899 garLoopResultBuilder]: For program point L138-3(lines 138 142) no Hoare annotation was computed. [2022-07-21 01:50:17,025 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-07-21 01:50:17,027 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:50:17,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:50:17 BoogieIcfgContainer [2022-07-21 01:50:17,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:50:17,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:50:17,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:50:17,053 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:50:17,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:49:43" (3/4) ... [2022-07-21 01:50:17,055 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 01:50:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2022-07-21 01:50:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-07-21 01:50:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2022-07-21 01:50:17,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2022-07-21 01:50:17,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2022-07-21 01:50:17,080 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-07-21 01:50:17,081 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 01:50:17,082 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 01:50:17,106 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2022-07-21 01:50:17,106 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-21 01:50:17,106 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.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-21 01:50:17,109 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())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-21 01:50:17,190 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 01:50:17,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:50:17,191 INFO L158 Benchmark]: Toolchain (without parser) took 70947.43ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 30.1MB in the beginning and 50.9MB in the end (delta: -20.7MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-07-21 01:50:17,191 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:50:17,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.21ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.9MB in the beginning and 46.0MB in the end (delta: -16.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-07-21 01:50:17,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.34ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 38.5MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 01:50:17,192 INFO L158 Benchmark]: Boogie Preprocessor took 63.08ms. Allocated memory is still 69.2MB. Free memory was 38.5MB in the beginning and 30.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:50:17,192 INFO L158 Benchmark]: RCFGBuilder took 36574.22ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 30.9MB in the beginning and 34.4MB in the end (delta: -3.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-07-21 01:50:17,192 INFO L158 Benchmark]: TraceAbstraction took 33685.69ms. Allocated memory is still 83.9MB. Free memory was 33.6MB in the beginning and 44.2MB in the end (delta: -10.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-07-21 01:50:17,193 INFO L158 Benchmark]: Witness Printer took 137.21ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 50.9MB in the end (delta: -6.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-21 01:50:17,194 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 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.21ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.9MB in the beginning and 46.0MB in the end (delta: -16.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.34ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 38.5MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.08ms. Allocated memory is still 69.2MB. Free memory was 38.5MB in the beginning and 30.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 36574.22ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 30.9MB in the beginning and 34.4MB in the end (delta: -3.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 33685.69ms. Allocated memory is still 83.9MB. Free memory was 33.6MB in the beginning and 44.2MB in the end (delta: -10.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 137.21ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 50.9MB in the end (delta: -6.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, 249 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 860 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 17 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 457 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 148 PreInvPairs, 155 NumberOfFragments, 126 HoareAnnotationTreeSize, 148 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 9.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 102 ConstructedInterpolants, 6 QuantifiedInterpolants, 392 SizeOfPredicates, 33 NumberOfNonLiveVariables, 2365 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-21 01:50:17,310 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