./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_1271a.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 a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:34:47,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:34:47,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:34:47,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:34:47,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:34:47,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:34:47,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:34:47,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:34:47,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:34:47,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:34:47,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:34:47,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:34:47,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:34:47,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:34:47,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:34:47,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:34:47,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:34:47,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:34:47,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:34:47,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:34:47,416 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:34:47,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:34:47,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:34:47,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:34:47,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:34:47,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:34:47,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:34:47,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:34:47,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:34:47,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:34:47,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:34:47,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:34:47,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:34:47,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:34:47,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:34:47,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:34:47,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:34:47,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:34:47,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:34:47,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:34:47,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:34:47,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:34:47,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 14:34:47,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:34:47,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:34:47,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:34:47,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:34:47,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:34:47,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:34:47,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:34:47,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:34:47,451 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:34:47,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:34:47,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:34:47,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 14:34:47,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:34:47,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:34:47,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:34:47,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:34:47,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:34:47,453 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:34:47,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:34:47,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:34:47,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:34:47,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:34:47,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:34:47,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:34:47,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:34:47,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:34:47,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:34:47,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:34:47,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 14:34:47,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 14:34:47,456 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:34:47,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:34:47,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:34:47,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2022-07-22 14:34:47,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:34:47,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:34:47,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:34:47,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:34:47,667 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:34:47,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2022-07-22 14:34:47,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113d6cb9e/7f5202c94c6444ce9b02a4c2966ec001/FLAG71cf6dd72 [2022-07-22 14:34:48,087 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:34:48,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2022-07-22 14:34:48,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113d6cb9e/7f5202c94c6444ce9b02a4c2966ec001/FLAG71cf6dd72 [2022-07-22 14:34:48,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113d6cb9e/7f5202c94c6444ce9b02a4c2966ec001 [2022-07-22 14:34:48,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:34:48,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:34:48,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:34:48,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:34:48,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:34:48,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c0169a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48, skipping insertion in model container [2022-07-22 14:34:48,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:34:48,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:34:48,720 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_1271a.c[4883,4896] [2022-07-22 14:34:48,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:34:48,738 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:34:48,798 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_1271a.c[4883,4896] [2022-07-22 14:34:48,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:34:48,813 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:34:48,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48 WrapperNode [2022-07-22 14:34:48,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:34:48,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:34:48,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:34:48,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:34:48,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,856 INFO L137 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2022-07-22 14:34:48,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:34:48,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:34:48,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:34:48,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:34:48,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:34:48,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:34:48,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:34:48,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:34:48,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (1/1) ... [2022-07-22 14:34:48,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:34:48,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:34:48,926 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) [2022-07-22 14:34:48,940 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 [2022-07-22 14:34:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:34:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 14:34:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 14:34:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-22 14:34:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 14:34:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-22 14:34:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:34:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:34:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 14:34:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:34:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-07-22 14:34:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-07-22 14:34:49,054 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:34:49,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:34:49,392 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:34:49,398 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:34:49,398 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2022-07-22 14:34:49,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:49 BoogieIcfgContainer [2022-07-22 14:34:49,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:34:49,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:34:49,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:34:49,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:34:49,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:34:48" (1/3) ... [2022-07-22 14:34:49,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4890999d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:34:49, skipping insertion in model container [2022-07-22 14:34:49,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:48" (2/3) ... [2022-07-22 14:34:49,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4890999d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:34:49, skipping insertion in model container [2022-07-22 14:34:49,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:49" (3/3) ... [2022-07-22 14:34:49,407 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2022-07-22 14:34:49,418 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:34:49,419 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:34:49,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:34:49,473 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@46c7d1bc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4e6deea0 [2022-07-22 14:34:49,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:34:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 94 states have (on average 1.7127659574468086) internal successors, (161), 95 states have internal predecessors, (161), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:34:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-22 14:34:49,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:49,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:49,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:49,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1119796192, now seen corresponding path program 1 times [2022-07-22 14:34:49,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:34:49,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581444691] [2022-07-22 14:34:49,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:49,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:34:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:34:49,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:34:49,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581444691] [2022-07-22 14:34:49,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581444691] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:34:49,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:34:49,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:34:49,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977722071] [2022-07-22 14:34:49,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:34:49,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:34:49,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:34:49,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:34:49,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:34:49,653 INFO L87 Difference]: Start difference. First operand has 99 states, 94 states have (on average 1.7127659574468086) internal successors, (161), 95 states have internal predecessors, (161), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2022-07-22 14:34:49,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:34:49,698 INFO L93 Difference]: Finished difference Result 196 states and 330 transitions. [2022-07-22 14:34:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:34:49,700 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2022-07-22 14:34:49,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:34:49,707 INFO L225 Difference]: With dead ends: 196 [2022-07-22 14:34:49,708 INFO L226 Difference]: Without dead ends: 95 [2022-07-22 14:34:49,711 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 [2022-07-22 14:34:49,714 INFO L413 NwaCegarLoop]: 125 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, 125 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 [2022-07-22 14:34:49,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:34:49,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-07-22 14:34:49,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-07-22 14:34:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 91 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:34:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 120 transitions. [2022-07-22 14:34:49,774 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 120 transitions. Word has length 18 [2022-07-22 14:34:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:34:49,774 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 120 transitions. [2022-07-22 14:34:49,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2022-07-22 14:34:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2022-07-22 14:34:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 14:34:49,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:49,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:49,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 14:34:49,777 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:49,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 46998031, now seen corresponding path program 1 times [2022-07-22 14:34:49,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:34:49,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834349753] [2022-07-22 14:34:49,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:49,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:34:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 14:34:49,931 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 14:34:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 14:34:50,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 14:34:50,030 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 14:34:50,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:34:50,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 14:34:50,035 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 14:34:50,038 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:34:50,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:34:50 BoogieIcfgContainer [2022-07-22 14:34:50,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:34:50,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:34:50,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:34:50,088 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:34:50,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:49" (3/4) ... [2022-07-22 14:34:50,091 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 14:34:50,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:34:50,092 INFO L158 Benchmark]: Toolchain (without parser) took 1578.97ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 81.6MB in the beginning and 75.6MB in the end (delta: 6.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-07-22 14:34:50,093 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory was 67.5MB in the beginning and 67.4MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:50,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.73ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 81.4MB in the beginning and 104.8MB in the end (delta: -23.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 14:34:50,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.10ms. Allocated memory is still 134.2MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:50,099 INFO L158 Benchmark]: Boogie Preprocessor took 39.98ms. Allocated memory is still 134.2MB. Free memory was 102.7MB in the beginning and 100.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 14:34:50,099 INFO L158 Benchmark]: RCFGBuilder took 502.78ms. Allocated memory is still 134.2MB. Free memory was 100.2MB in the beginning and 77.5MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-22 14:34:50,099 INFO L158 Benchmark]: TraceAbstraction took 684.69ms. Allocated memory is still 134.2MB. Free memory was 77.1MB in the beginning and 75.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-07-22 14:34:50,100 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 134.2MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:50,105 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 111.1MB. Free memory was 67.5MB in the beginning and 67.4MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.73ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 81.4MB in the beginning and 104.8MB in the end (delta: -23.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.10ms. Allocated memory is still 134.2MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.98ms. Allocated memory is still 134.2MB. Free memory was 102.7MB in the beginning and 100.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 502.78ms. Allocated memory is still 134.2MB. Free memory was 100.2MB in the beginning and 77.5MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 684.69ms. Allocated memory is still 134.2MB. Free memory was 77.1MB in the beginning and 75.6MB in the end (delta: 1.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 134.2MB. Free memory is still 75.6MB. 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: 241]: 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 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L234] float x = 0.0f / 0.0f; [L235] float y = __VERIFIER_nondet_float(); [L237] CALL isfinite_float(y) [L217] __int32_t ix; VAL [\old(x)=8589934593, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593] [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); VAL [\old(x)=8589934593, \result=1, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593] [L237] RET isfinite_float(y) [L237] COND TRUE isfinite_float(y) [L238] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [\old(x)=8589934591, \old(y)=8589934593, a=8589934591, b=8589934593, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934591, y=8589934593] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [\old(x)=8589934591, \old(y)=8589934593, a=8589934591, b=8589934593, ha=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934591, y=8589934593] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL VAL [\old(x)=8589934591, \old(y)=8589934593, a=8589934591, b=8589934593, ha=0, hb=251658241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934591, y=8589934593] [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j VAL [\old(x)=8589934591, \old(y)=8589934593, a=8589934593, b=8589934591, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934591, y=8589934593] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [\old(x)=8589934591, \old(y)=8589934593, a=8589934594, b=8589934592, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934591, y=8589934593] [L238] RET, EXPR __ieee754_hypotf(x, y) [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) [L213] return x != x; VAL [\old(x)=8589934595, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595] [L240] RET, EXPR isnan_float(res) [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, res=8589934595, tiny_sqrt=1/1000000000000000000000000000000, x=8589934591, y=8589934593] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 125 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, 125 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=99occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 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 [2022-07-22 14:34:50,151 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_1271a.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 a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:34:52,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:34:52,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:34:52,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:34:52,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:34:52,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:34:52,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:34:52,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:34:52,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:34:52,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:34:52,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:34:52,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:34:52,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:34:52,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:34:52,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:34:52,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:34:52,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:34:52,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:34:52,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:34:52,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:34:52,089 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:34:52,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:34:52,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:34:52,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:34:52,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:34:52,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:34:52,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:34:52,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:34:52,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:34:52,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:34:52,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:34:52,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:34:52,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:34:52,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:34:52,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:34:52,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:34:52,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:34:52,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:34:52,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:34:52,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:34:52,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:34:52,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:34:52,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 14:34:52,148 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:34:52,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:34:52,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:34:52,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:34:52,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:34:52,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:34:52,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:34:52,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:34:52,152 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:34:52,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:34:52,153 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:34:52,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:34:52,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:34:52,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:34:52,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:34:52,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:34:52,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 14:34:52,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 14:34:52,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 14:34:52,163 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:34:52,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:34:52,163 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:34:52,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:34:52,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:34:52,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:34:52,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:34:52,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:34:52,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:34:52,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:34:52,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:34:52,166 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 14:34:52,166 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 14:34:52,166 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:34:52,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:34:52,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:34:52,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 14:34:52,167 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2022-07-22 14:34:52,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:34:52,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:34:52,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:34:52,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:34:52,467 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:34:52,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2022-07-22 14:34:52,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851a72d88/09950566c1394ff9b6a6588724d76865/FLAGdf162bae6 [2022-07-22 14:34:52,974 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:34:52,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2022-07-22 14:34:52,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851a72d88/09950566c1394ff9b6a6588724d76865/FLAGdf162bae6 [2022-07-22 14:34:53,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851a72d88/09950566c1394ff9b6a6588724d76865 [2022-07-22 14:34:53,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:34:53,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:34:53,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:34:53,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:34:53,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:34:53,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6310a5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53, skipping insertion in model container [2022-07-22 14:34:53,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:34:53,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:34:53,609 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_1271a.c[4883,4896] [2022-07-22 14:34:53,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:34:53,628 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:34:53,688 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_1271a.c[4883,4896] [2022-07-22 14:34:53,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:34:53,712 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:34:53,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53 WrapperNode [2022-07-22 14:34:53,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:34:53,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:34:53,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:34:53,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:34:53,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,786 INFO L137 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 261 [2022-07-22 14:34:53,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:34:53,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:34:53,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:34:53,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:34:53,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:34:53,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:34:53,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:34:53,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:34:53,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (1/1) ... [2022-07-22 14:34:53,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:34:53,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:34:53,893 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) [2022-07-22 14:34:53,913 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 [2022-07-22 14:34:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:34:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 14:34:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 14:34:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-22 14:34:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 14:34:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:34:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:34:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-22 14:34:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 14:34:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:34:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-07-22 14:34:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-07-22 14:34:54,052 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:34:54,053 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:34:55,380 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:34:55,385 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:34:55,385 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2022-07-22 14:34:55,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:55 BoogieIcfgContainer [2022-07-22 14:34:55,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:34:55,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:34:55,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:34:55,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:34:55,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:34:53" (1/3) ... [2022-07-22 14:34:55,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c5d3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:34:55, skipping insertion in model container [2022-07-22 14:34:55,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:53" (2/3) ... [2022-07-22 14:34:55,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c5d3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:34:55, skipping insertion in model container [2022-07-22 14:34:55,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:55" (3/3) ... [2022-07-22 14:34:55,392 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2022-07-22 14:34:55,419 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:34:55,419 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:34:55,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:34:55,470 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@5d214e23, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6cbdf1db [2022-07-22 14:34:55,470 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:34:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 87 states have (on average 1.6781609195402298) internal successors, (146), 88 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:34:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-22 14:34:55,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:55,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:55,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:55,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:55,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1119796192, now seen corresponding path program 1 times [2022-07-22 14:34:55,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:34:55,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243932067] [2022-07-22 14:34:55,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:55,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:34:55,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:34:55,503 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) [2022-07-22 14:34:55,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 14:34:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:55,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 14:34:55,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:34:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:34:55,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:34:55,716 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:34:55,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243932067] [2022-07-22 14:34:55,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243932067] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:34:55,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:34:55,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:34:55,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377712002] [2022-07-22 14:34:55,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:34:55,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:34:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:34:55,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:34:55,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:34:55,772 INFO L87 Difference]: Start difference. First operand has 92 states, 87 states have (on average 1.6781609195402298) internal successors, (146), 88 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2022-07-22 14:34:55,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:34:55,819 INFO L93 Difference]: Finished difference Result 182 states and 300 transitions. [2022-07-22 14:34:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:34:55,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2022-07-22 14:34:55,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:34:55,830 INFO L225 Difference]: With dead ends: 182 [2022-07-22 14:34:55,830 INFO L226 Difference]: Without dead ends: 88 [2022-07-22 14:34:55,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:34:55,845 INFO L413 NwaCegarLoop]: 115 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, 115 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 [2022-07-22 14:34:55,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:34:55,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-22 14:34:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-22 14:34:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 84 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:34:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 110 transitions. [2022-07-22 14:34:55,910 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 110 transitions. Word has length 18 [2022-07-22 14:34:55,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:34:55,911 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 110 transitions. [2022-07-22 14:34:55,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2022-07-22 14:34:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2022-07-22 14:34:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 14:34:55,913 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:55,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:55,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 14:34:56,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:34:56,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:56,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:56,127 INFO L85 PathProgramCache]: Analyzing trace with hash 46998031, now seen corresponding path program 1 times [2022-07-22 14:34:56,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:34:56,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602578093] [2022-07-22 14:34:56,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:56,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:34:56,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:34:56,130 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) [2022-07-22 14:34:56,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 14:34:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:56,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 14:34:56,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:34:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:34:56,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:34:56,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:34:56,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602578093] [2022-07-22 14:34:56,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602578093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:34:56,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:34:56,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 14:34:56,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004101050] [2022-07-22 14:34:56,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:34:56,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 14:34:56,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:34:56,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 14:34:56,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:34:56,833 INFO L87 Difference]: Start difference. First operand 88 states and 110 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-07-22 14:34:56,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:34:56,864 INFO L93 Difference]: Finished difference Result 98 states and 120 transitions. [2022-07-22 14:34:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 14:34:56,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 23 [2022-07-22 14:34:56,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:34:56,867 INFO L225 Difference]: With dead ends: 98 [2022-07-22 14:34:56,867 INFO L226 Difference]: Without dead ends: 93 [2022-07-22 14:34:56,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:34:56,869 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 3 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 79 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:34:56,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 630 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 79 Unchecked, 0.0s Time] [2022-07-22 14:34:56,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-22 14:34:56,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-07-22 14:34:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 89 states have (on average 1.247191011235955) internal successors, (111), 89 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:34:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 115 transitions. [2022-07-22 14:34:56,882 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 115 transitions. Word has length 23 [2022-07-22 14:34:56,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:34:56,883 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 115 transitions. [2022-07-22 14:34:56,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-07-22 14:34:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2022-07-22 14:34:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 14:34:56,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:56,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:56,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 14:34:57,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:34:57,097 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:57,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:57,098 INFO L85 PathProgramCache]: Analyzing trace with hash -346028979, now seen corresponding path program 1 times [2022-07-22 14:34:57,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:34:57,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335503812] [2022-07-22 14:34:57,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:57,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:34:57,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:34:57,100 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) [2022-07-22 14:34:57,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 14:34:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:57,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-22 14:34:57,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:34:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:34:58,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:34:58,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:34:58,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335503812] [2022-07-22 14:34:58,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335503812] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:34:58,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:34:58,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 14:34:58,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116155951] [2022-07-22 14:34:58,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:34:58,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 14:34:58,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:34:58,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 14:34:58,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-22 14:34:58,055 INFO L87 Difference]: Start difference. First operand 93 states and 115 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 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) [2022-07-22 14:34:59,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:34:59,579 INFO L93 Difference]: Finished difference Result 123 states and 152 transitions. [2022-07-22 14:34:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 14:34:59,586 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 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 23 [2022-07-22 14:34:59,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:34:59,587 INFO L225 Difference]: With dead ends: 123 [2022-07-22 14:34:59,588 INFO L226 Difference]: Without dead ends: 118 [2022-07-22 14:34:59,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-07-22 14:34:59,589 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 67 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-22 14:34:59,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 675 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 36 Unchecked, 1.3s Time] [2022-07-22 14:34:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-07-22 14:34:59,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 88. [2022-07-22 14:34:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:34:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 109 transitions. [2022-07-22 14:34:59,598 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 109 transitions. Word has length 23 [2022-07-22 14:34:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:34:59,599 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 109 transitions. [2022-07-22 14:34:59,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 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) [2022-07-22 14:34:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2022-07-22 14:34:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 14:34:59,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:59,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:59,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 14:34:59,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:34:59,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:59,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:59,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1919950379, now seen corresponding path program 1 times [2022-07-22 14:34:59,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:34:59,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666380331] [2022-07-22 14:34:59,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:59,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:34:59,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:34:59,816 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) [2022-07-22 14:34:59,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 14:34:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:59,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-22 14:34:59,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:00,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:00,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:00,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666380331] [2022-07-22 14:35:00,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666380331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:00,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:00,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 14:35:00,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866556465] [2022-07-22 14:35:00,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:00,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 14:35:00,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:00,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 14:35:00,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:35:00,285 INFO L87 Difference]: Start difference. First operand 88 states and 109 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2022-07-22 14:35:00,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:00,294 INFO L93 Difference]: Finished difference Result 157 states and 198 transitions. [2022-07-22 14:35:00,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 14:35:00,294 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 26 [2022-07-22 14:35:00,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:00,295 INFO L225 Difference]: With dead ends: 157 [2022-07-22 14:35:00,295 INFO L226 Difference]: Without dead ends: 98 [2022-07-22 14:35:00,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:35:00,297 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 7 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:00,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 461 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 32 Unchecked, 0.0s Time] [2022-07-22 14:35:00,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-07-22 14:35:00,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2022-07-22 14:35:00,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.2417582417582418) internal successors, (113), 91 states have internal predecessors, (113), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:00,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2022-07-22 14:35:00,304 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 26 [2022-07-22 14:35:00,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:00,304 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2022-07-22 14:35:00,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2022-07-22 14:35:00,304 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2022-07-22 14:35:00,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 14:35:00,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:00,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:00,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:00,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:00,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:00,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:00,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1788210903, now seen corresponding path program 1 times [2022-07-22 14:35:00,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:00,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376275989] [2022-07-22 14:35:00,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:00,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:00,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:00,522 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) [2022-07-22 14:35:00,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 14:35:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:00,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 14:35:00,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:00,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:00,881 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:00,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376275989] [2022-07-22 14:35:00,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376275989] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:00,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:00,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 14:35:00,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288014702] [2022-07-22 14:35:00,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:00,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 14:35:00,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:00,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 14:35:00,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:35:00,883 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-07-22 14:35:00,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:00,887 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2022-07-22 14:35:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 14:35:00,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 26 [2022-07-22 14:35:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:00,889 INFO L225 Difference]: With dead ends: 155 [2022-07-22 14:35:00,889 INFO L226 Difference]: Without dead ends: 95 [2022-07-22 14:35:00,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:35:00,890 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 6 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:00,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 404 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2022-07-22 14:35:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-07-22 14:35:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-07-22 14:35:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 91 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2022-07-22 14:35:00,897 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 26 [2022-07-22 14:35:00,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:00,897 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2022-07-22 14:35:00,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-07-22 14:35:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2022-07-22 14:35:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-22 14:35:00,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:00,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:00,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:01,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:01,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:01,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:01,113 INFO L85 PathProgramCache]: Analyzing trace with hash -2087096916, now seen corresponding path program 1 times [2022-07-22 14:35:01,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:01,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983274453] [2022-07-22 14:35:01,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:01,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:01,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:01,115 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) [2022-07-22 14:35:01,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 14:35:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:01,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-22 14:35:01,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:01,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:01,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:01,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983274453] [2022-07-22 14:35:01,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983274453] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:01,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:01,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-22 14:35:01,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169455358] [2022-07-22 14:35:01,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:01,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 14:35:01,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:01,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 14:35:01,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-22 14:35:01,826 INFO L87 Difference]: Start difference. First operand 95 states and 116 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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) [2022-07-22 14:35:01,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:01,940 INFO L93 Difference]: Finished difference Result 104 states and 127 transitions. [2022-07-22 14:35:01,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 14:35:01,941 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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 28 [2022-07-22 14:35:01,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:01,942 INFO L225 Difference]: With dead ends: 104 [2022-07-22 14:35:01,942 INFO L226 Difference]: Without dead ends: 96 [2022-07-22 14:35:01,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-22 14:35:01,943 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 2 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:01,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 823 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 44 Unchecked, 0.0s Time] [2022-07-22 14:35:01,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-07-22 14:35:01,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-07-22 14:35:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 92 states have internal predecessors, (113), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2022-07-22 14:35:01,949 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 28 [2022-07-22 14:35:01,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:01,950 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2022-07-22 14:35:01,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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) [2022-07-22 14:35:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2022-07-22 14:35:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-22 14:35:01,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:01,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:01,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:02,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:02,164 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:02,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:02,165 INFO L85 PathProgramCache]: Analyzing trace with hash 928006702, now seen corresponding path program 1 times [2022-07-22 14:35:02,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:02,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097962440] [2022-07-22 14:35:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:02,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:02,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:02,166 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:02,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-22 14:35:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:02,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 14:35:02,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:02,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:02,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:02,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097962440] [2022-07-22 14:35:02,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097962440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:02,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:02,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 14:35:02,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110505434] [2022-07-22 14:35:02,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:02,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 14:35:02,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:02,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 14:35:02,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:35:02,631 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-07-22 14:35:02,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:02,636 INFO L93 Difference]: Finished difference Result 103 states and 124 transitions. [2022-07-22 14:35:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 14:35:02,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 28 [2022-07-22 14:35:02,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:02,637 INFO L225 Difference]: With dead ends: 103 [2022-07-22 14:35:02,638 INFO L226 Difference]: Without dead ends: 96 [2022-07-22 14:35:02,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:35:02,639 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 6 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:02,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 482 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2022-07-22 14:35:02,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-07-22 14:35:02,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-07-22 14:35:02,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 92 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 116 transitions. [2022-07-22 14:35:02,644 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 116 transitions. Word has length 28 [2022-07-22 14:35:02,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:02,644 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 116 transitions. [2022-07-22 14:35:02,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-07-22 14:35:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 116 transitions. [2022-07-22 14:35:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-22 14:35:02,645 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:02,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:02,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:02,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:02,858 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:02,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:02,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1591953232, now seen corresponding path program 1 times [2022-07-22 14:35:02,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:02,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087336025] [2022-07-22 14:35:02,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:02,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:02,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:02,861 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:02,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-22 14:35:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:02,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-22 14:35:02,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:06,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:06,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:06,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087336025] [2022-07-22 14:35:06,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087336025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:06,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:06,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 14:35:06,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017346912] [2022-07-22 14:35:06,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:06,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 14:35:06,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:06,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 14:35:06,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=84, Unknown=1, NotChecked=0, Total=110 [2022-07-22 14:35:06,601 INFO L87 Difference]: Start difference. First operand 96 states and 116 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 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) [2022-07-22 14:35:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:07,294 INFO L93 Difference]: Finished difference Result 102 states and 121 transitions. [2022-07-22 14:35:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 14:35:07,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 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 28 [2022-07-22 14:35:07,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:07,296 INFO L225 Difference]: With dead ends: 102 [2022-07-22 14:35:07,296 INFO L226 Difference]: Without dead ends: 96 [2022-07-22 14:35:07,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=36, Invalid=119, Unknown=1, NotChecked=0, Total=156 [2022-07-22 14:35:07,297 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 9 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 85 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:07,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 791 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 85 Unchecked, 0.1s Time] [2022-07-22 14:35:07,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-07-22 14:35:07,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-07-22 14:35:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.2065217391304348) internal successors, (111), 92 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2022-07-22 14:35:07,304 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 28 [2022-07-22 14:35:07,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:07,305 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2022-07-22 14:35:07,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 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) [2022-07-22 14:35:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2022-07-22 14:35:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-22 14:35:07,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:07,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:07,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:07,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:07,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:07,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:07,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1649211534, now seen corresponding path program 1 times [2022-07-22 14:35:07,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:07,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307417577] [2022-07-22 14:35:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:07,520 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:07,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:07,521 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:07,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-22 14:35:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:07,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-22 14:35:07,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:08,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:08,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:08,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307417577] [2022-07-22 14:35:08,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307417577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:08,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:08,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 14:35:08,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673439754] [2022-07-22 14:35:08,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:08,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 14:35:08,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:08,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 14:35:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-22 14:35:08,116 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 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) [2022-07-22 14:35:08,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:08,206 INFO L93 Difference]: Finished difference Result 101 states and 119 transitions. [2022-07-22 14:35:08,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 14:35:08,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 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 28 [2022-07-22 14:35:08,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:08,207 INFO L225 Difference]: With dead ends: 101 [2022-07-22 14:35:08,207 INFO L226 Difference]: Without dead ends: 93 [2022-07-22 14:35:08,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-22 14:35:08,208 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 10 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:08,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 680 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 46 Unchecked, 0.0s Time] [2022-07-22 14:35:08,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-22 14:35:08,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2022-07-22 14:35:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 110 transitions. [2022-07-22 14:35:08,212 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 110 transitions. Word has length 28 [2022-07-22 14:35:08,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:08,213 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 110 transitions. [2022-07-22 14:35:08,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 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) [2022-07-22 14:35:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2022-07-22 14:35:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 14:35:08,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:08,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:08,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:08,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:08,427 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:08,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:08,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1247669778, now seen corresponding path program 1 times [2022-07-22 14:35:08,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:08,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231434889] [2022-07-22 14:35:08,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:08,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:08,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:08,430 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:08,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-22 14:35:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:08,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 14:35:08,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:08,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:08,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:08,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231434889] [2022-07-22 14:35:08,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231434889] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:08,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:08,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 14:35:08,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117361237] [2022-07-22 14:35:08,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:08,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 14:35:08,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:08,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 14:35:08,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:35:08,951 INFO L87 Difference]: Start difference. First operand 92 states and 110 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2022-07-22 14:35:08,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:08,955 INFO L93 Difference]: Finished difference Result 104 states and 123 transitions. [2022-07-22 14:35:08,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 14:35:08,955 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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 31 [2022-07-22 14:35:08,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:08,956 INFO L225 Difference]: With dead ends: 104 [2022-07-22 14:35:08,956 INFO L226 Difference]: Without dead ends: 99 [2022-07-22 14:35:08,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:35:08,957 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:08,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 418 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 52 Unchecked, 0.0s Time] [2022-07-22 14:35:08,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-07-22 14:35:08,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-07-22 14:35:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 95 states have (on average 1.2) internal successors, (114), 95 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2022-07-22 14:35:08,962 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 31 [2022-07-22 14:35:08,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:08,962 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2022-07-22 14:35:08,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2022-07-22 14:35:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2022-07-22 14:35:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 14:35:08,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:08,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:08,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:09,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:09,176 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:09,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:09,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1053152812, now seen corresponding path program 1 times [2022-07-22 14:35:09,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:09,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819641175] [2022-07-22 14:35:09,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:09,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:09,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:09,178 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:09,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-22 14:35:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:09,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 14:35:09,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:09,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:09,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:09,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819641175] [2022-07-22 14:35:09,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819641175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:09,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:09,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 14:35:09,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637850642] [2022-07-22 14:35:09,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:09,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 14:35:09,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:09,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 14:35:09,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:35:09,709 INFO L87 Difference]: Start difference. First operand 99 states and 118 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2022-07-22 14:35:09,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:09,718 INFO L93 Difference]: Finished difference Result 104 states and 122 transitions. [2022-07-22 14:35:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 14:35:09,718 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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 31 [2022-07-22 14:35:09,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:09,719 INFO L225 Difference]: With dead ends: 104 [2022-07-22 14:35:09,719 INFO L226 Difference]: Without dead ends: 99 [2022-07-22 14:35:09,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:35:09,720 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 3 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:09,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 530 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 99 Unchecked, 0.0s Time] [2022-07-22 14:35:09,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-07-22 14:35:09,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2022-07-22 14:35:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 88 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 109 transitions. [2022-07-22 14:35:09,726 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 109 transitions. Word has length 31 [2022-07-22 14:35:09,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:09,727 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 109 transitions. [2022-07-22 14:35:09,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2022-07-22 14:35:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2022-07-22 14:35:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-22 14:35:09,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:09,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:09,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:09,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:09,939 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:09,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:09,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1643810509, now seen corresponding path program 1 times [2022-07-22 14:35:09,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:09,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385627008] [2022-07-22 14:35:09,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:09,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:09,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:09,942 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:09,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-22 14:35:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:10,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 14:35:10,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:10,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:10,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:10,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385627008] [2022-07-22 14:35:10,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385627008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:10,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:10,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 14:35:10,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411871955] [2022-07-22 14:35:10,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:10,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 14:35:10,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:10,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 14:35:10,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:35:10,639 INFO L87 Difference]: Start difference. First operand 92 states and 109 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) [2022-07-22 14:35:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:10,644 INFO L93 Difference]: Finished difference Result 142 states and 172 transitions. [2022-07-22 14:35:10,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 14:35:10,644 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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 40 [2022-07-22 14:35:10,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:10,645 INFO L225 Difference]: With dead ends: 142 [2022-07-22 14:35:10,645 INFO L226 Difference]: Without dead ends: 91 [2022-07-22 14:35:10,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:35:10,646 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 10 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:10,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 448 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 22 Unchecked, 0.0s Time] [2022-07-22 14:35:10,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-22 14:35:10,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 85. [2022-07-22 14:35:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 81 states have (on average 1.1975308641975309) internal successors, (97), 81 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:35:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2022-07-22 14:35:10,650 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 40 [2022-07-22 14:35:10,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:10,650 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2022-07-22 14:35:10,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) [2022-07-22 14:35:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2022-07-22 14:35:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-22 14:35:10,651 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:10,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:10,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:10,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:10,872 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:10,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:10,872 INFO L85 PathProgramCache]: Analyzing trace with hash -320463066, now seen corresponding path program 1 times [2022-07-22 14:35:10,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:10,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582393129] [2022-07-22 14:35:10,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:10,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:10,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:10,874 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:10,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-22 14:35:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:11,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 14:35:11,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:11,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:11,299 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:11,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582393129] [2022-07-22 14:35:11,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582393129] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:11,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:11,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 14:35:11,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711879772] [2022-07-22 14:35:11,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:11,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 14:35:11,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:11,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 14:35:11,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:35:11,301 INFO L87 Difference]: Start difference. First operand 85 states and 101 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-07-22 14:35:13,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:35:15,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:35:18,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:35:20,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:35:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:20,190 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2022-07-22 14:35:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 14:35:20,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 45 [2022-07-22 14:35:20,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:20,192 INFO L225 Difference]: With dead ends: 138 [2022-07-22 14:35:20,192 INFO L226 Difference]: Without dead ends: 130 [2022-07-22 14:35:20,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:35:20,193 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 43 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:20,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 311 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 4 Unknown, 0 Unchecked, 8.9s Time] [2022-07-22 14:35:20,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-07-22 14:35:20,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 117. [2022-07-22 14:35:20,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 109 states have (on average 1.165137614678899) internal successors, (127), 109 states have internal predecessors, (127), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-22 14:35:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 139 transitions. [2022-07-22 14:35:20,199 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 139 transitions. Word has length 45 [2022-07-22 14:35:20,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:20,200 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 139 transitions. [2022-07-22 14:35:20,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-07-22 14:35:20,200 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 139 transitions. [2022-07-22 14:35:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-22 14:35:20,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:20,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:20,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:20,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:20,415 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:20,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:20,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1448939839, now seen corresponding path program 1 times [2022-07-22 14:35:20,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:20,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671057730] [2022-07-22 14:35:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:20,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:20,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:20,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-22 14:35:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:20,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 14:35:20,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:21,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:21,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:21,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671057730] [2022-07-22 14:35:21,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671057730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:21,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:21,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 14:35:21,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627684217] [2022-07-22 14:35:21,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:21,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 14:35:21,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:21,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 14:35:21,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:35:21,632 INFO L87 Difference]: Start difference. First operand 117 states and 139 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2022-07-22 14:35:21,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:21,638 INFO L93 Difference]: Finished difference Result 220 states and 263 transitions. [2022-07-22 14:35:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 14:35:21,638 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 48 [2022-07-22 14:35:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:21,639 INFO L225 Difference]: With dead ends: 220 [2022-07-22 14:35:21,639 INFO L226 Difference]: Without dead ends: 117 [2022-07-22 14:35:21,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:35:21,640 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 6 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:21,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 531 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 28 Unchecked, 0.0s Time] [2022-07-22 14:35:21,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-07-22 14:35:21,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-07-22 14:35:21,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 109 states have (on average 1.1559633027522935) internal successors, (126), 109 states have internal predecessors, (126), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-22 14:35:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2022-07-22 14:35:21,645 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 48 [2022-07-22 14:35:21,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:21,646 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2022-07-22 14:35:21,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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) [2022-07-22 14:35:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2022-07-22 14:35:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-22 14:35:21,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:35:21,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:21,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:21,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:21,867 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:35:21,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:35:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash 604934337, now seen corresponding path program 1 times [2022-07-22 14:35:21,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:35:21,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487024564] [2022-07-22 14:35:21,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:35:21,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:35:21,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:35:21,869 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:35:21,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-22 14:35:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:35:22,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 14:35:22,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:35:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:35:22,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:35:22,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:35:22,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487024564] [2022-07-22 14:35:22,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487024564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:35:22,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:35:22,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 14:35:22,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046510574] [2022-07-22 14:35:22,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:35:22,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 14:35:22,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:35:22,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 14:35:22,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:35:22,621 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-07-22 14:35:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:35:22,623 INFO L93 Difference]: Finished difference Result 117 states and 138 transitions. [2022-07-22 14:35:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 14:35:22,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 48 [2022-07-22 14:35:22,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:35:22,624 INFO L225 Difference]: With dead ends: 117 [2022-07-22 14:35:22,624 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 14:35:22,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:35:22,625 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:35:22,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 47 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2022-07-22 14:35:22,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 14:35:22,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 14:35:22,626 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) [2022-07-22 14:35:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 14:35:22,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2022-07-22 14:35:22,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:35:22,627 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 14:35:22,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-07-22 14:35:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 14:35:22,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 14:35:22,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:35:22,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-22 14:35:22,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:35:22,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 14:35:23,699 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: false [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L895 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L895 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L895 garLoopResultBuilder]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2022-07-22 14:35:23,700 INFO L899 garLoopResultBuilder]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2022-07-22 14:35:23,701 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2022-07-22 14:35:23,701 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2022-07-22 14:35:23,701 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_hypotf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_6| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) (_ bv2139095040 32)) (= |ULTIMATE.start___ieee754_hypotf_~y#1| (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|)))))) [2022-07-22 14:35:23,701 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2022-07-22 14:35:23,701 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2022-07-22 14:35:23,701 INFO L895 garLoopResultBuilder]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2022-07-22 14:35:23,701 INFO L899 garLoopResultBuilder]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2022-07-22 14:35:23,701 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 244) no Hoare annotation was computed. [2022-07-22 14:35:23,701 INFO L899 garLoopResultBuilder]: For program point L237-2(lines 237 244) no Hoare annotation was computed. [2022-07-22 14:35:23,701 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 146) no Hoare annotation was computed. [2022-07-22 14:35:23,702 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2022-07-22 14:35:23,702 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 14:35:23,702 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 131) no Hoare annotation was computed. [2022-07-22 14:35:23,702 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2022-07-22 14:35:23,702 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2022-07-22 14:35:23,702 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2022-07-22 14:35:23,702 INFO L895 garLoopResultBuilder]: At program point L224(lines 216 225) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (or (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_6| (_ BitVec 32))) (and (not (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) (_ bv2139095040 32))) (= |ULTIMATE.start_main_~y~0#1| (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|))))) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_6| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) (_ bv2139095040 32)) (= |ULTIMATE.start_main_~y~0#1| (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|))))) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-22 14:35:23,703 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2022-07-22 14:35:23,703 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2022-07-22 14:35:23,703 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2022-07-22 14:35:23,703 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2022-07-22 14:35:23,703 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2022-07-22 14:35:23,703 INFO L899 garLoopResultBuilder]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2022-07-22 14:35:23,704 INFO L895 garLoopResultBuilder]: At program point L93-2(lines 93 97) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_hypotf_~x#1| .cse0) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_hypotf_~ha~0#1| (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36| (_ bv2147483647 32))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))))) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_6| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) (_ bv2139095040 32)) (= |ULTIMATE.start___ieee754_hypotf_~y#1| (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_6|))))))) [2022-07-22 14:35:23,704 INFO L899 garLoopResultBuilder]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2022-07-22 14:35:23,704 INFO L895 garLoopResultBuilder]: At program point L209(lines 83 210) the Hoare annotation is: (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27| (_ BitVec 32)) (|ULTIMATE.start___ieee754_hypotf_~b~0#1| (_ FloatingPoint 8 24))) (and (= |ULTIMATE.start___ieee754_hypotf_#res#1| (fp.add roundNearestTiesToEven (let ((.cse0 (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27| (_ bv2147483647 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) |ULTIMATE.start___ieee754_hypotf_~b~0#1|)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27|)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))))) [2022-07-22 14:35:23,704 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2022-07-22 14:35:23,704 INFO L895 garLoopResultBuilder]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2022-07-22 14:35:23,704 INFO L899 garLoopResultBuilder]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2022-07-22 14:35:23,704 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 14:35:23,705 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 200) no Hoare annotation was computed. [2022-07-22 14:35:23,705 INFO L899 garLoopResultBuilder]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2022-07-22 14:35:23,705 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2022-07-22 14:35:23,705 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2022-07-22 14:35:23,705 INFO L895 garLoopResultBuilder]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2022-07-22 14:35:23,705 INFO L899 garLoopResultBuilder]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2022-07-22 14:35:23,705 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2022-07-22 14:35:23,705 INFO L895 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2022-07-22 14:35:23,706 INFO L902 garLoopResultBuilder]: At program point L246(lines 227 247) the Hoare annotation is: true [2022-07-22 14:35:23,706 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) [2022-07-22 14:35:23,706 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 174) no Hoare annotation was computed. [2022-07-22 14:35:23,706 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2022-07-22 14:35:23,706 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2022-07-22 14:35:23,706 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2022-07-22 14:35:23,706 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 14:35:23,707 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2022-07-22 14:35:23,707 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 173) no Hoare annotation was computed. [2022-07-22 14:35:23,707 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 108) no Hoare annotation was computed. [2022-07-22 14:35:23,707 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: false [2022-07-22 14:35:23,707 INFO L899 garLoopResultBuilder]: For program point L199-1(line 199) no Hoare annotation was computed. [2022-07-22 14:35:23,707 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 173) no Hoare annotation was computed. [2022-07-22 14:35:23,707 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2022-07-22 14:35:23,708 INFO L902 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: true [2022-07-22 14:35:23,708 INFO L899 garLoopResultBuilder]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2022-07-22 14:35:23,708 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2022-07-22 14:35:23,708 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2022-07-22 14:35:23,708 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2022-07-22 14:35:23,708 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2022-07-22 14:35:23,708 INFO L902 garLoopResultBuilder]: At program point __ieee754_sqrtfENTRY(lines 16 81) the Hoare annotation is: true [2022-07-22 14:35:23,708 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfFINAL(lines 16 81) no Hoare annotation was computed. [2022-07-22 14:35:23,709 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2022-07-22 14:35:23,709 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2022-07-22 14:35:23,709 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2022-07-22 14:35:23,709 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2022-07-22 14:35:23,709 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-07-22 14:35:23,709 INFO L899 garLoopResultBuilder]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2022-07-22 14:35:23,709 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfEXIT(lines 16 81) no Hoare annotation was computed. [2022-07-22 14:35:23,710 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-07-22 14:35:23,710 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2022-07-22 14:35:23,710 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2022-07-22 14:35:23,710 INFO L902 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: true [2022-07-22 14:35:23,710 INFO L899 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2022-07-22 14:35:23,710 INFO L899 garLoopResultBuilder]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2022-07-22 14:35:23,710 INFO L902 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: true [2022-07-22 14:35:23,710 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 70) no Hoare annotation was computed. [2022-07-22 14:35:23,711 INFO L899 garLoopResultBuilder]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2022-07-22 14:35:23,711 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2022-07-22 14:35:23,713 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:35:23,715 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:35:23,720 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] [2022-07-22 14:35:23,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,730 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] [2022-07-22 14:35:23,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,736 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,736 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,737 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,739 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,741 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:35:23 BoogieIcfgContainer [2022-07-22 14:35:23,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:35:23,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:35:23,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:35:23,742 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:35:23,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:55" (3/4) ... [2022-07-22 14:35:23,745 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 14:35:23,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2022-07-22 14:35:23,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-07-22 14:35:23,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-07-22 14:35:23,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 14:35:23,756 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 14:35:23,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-07-22 14:35:23,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == y && (((\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_6 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_6), 2139095040bv32) && y == ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[22:0])) && \result == 0bv32) || ((\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_6), 2139095040bv32) && y == ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[22:0])) && \result == 1bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-07-22 14:35:23,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_6), 2139095040bv32) && y == ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[22:0])) [2022-07-22 14:35:23,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36 : bv32 :: ha == ~bvand32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36, 2147483647bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && (\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_6), 2139095040bv32) && y == ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[22:0])) [2022-07-22 14:35:23,782 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 14:35:23,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:35:23,783 INFO L158 Benchmark]: Toolchain (without parser) took 30405.02ms. Allocated memory was 54.5MB in the beginning and 86.0MB in the end (delta: 31.5MB). Free memory was 32.2MB in the beginning and 29.8MB in the end (delta: 2.4MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-07-22 14:35:23,783 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:35:23,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.26ms. Allocated memory is still 54.5MB. Free memory was 32.1MB in the beginning and 33.8MB in the end (delta: -1.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-07-22 14:35:23,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.61ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 31.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:35:23,784 INFO L158 Benchmark]: Boogie Preprocessor took 65.41ms. Allocated memory is still 54.5MB. Free memory was 31.2MB in the beginning and 28.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:35:23,784 INFO L158 Benchmark]: RCFGBuilder took 1529.38ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 28.8MB in the beginning and 35.6MB in the end (delta: -6.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-07-22 14:35:23,785 INFO L158 Benchmark]: TraceAbstraction took 28353.89ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-07-22 14:35:23,785 INFO L158 Benchmark]: Witness Printer took 40.29ms. Allocated memory is still 86.0MB. Free memory was 33.3MB in the beginning and 29.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:35:23,786 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 54.5MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.26ms. Allocated memory is still 54.5MB. Free memory was 32.1MB in the beginning and 33.8MB in the end (delta: -1.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.61ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 31.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.41ms. Allocated memory is still 54.5MB. Free memory was 31.2MB in the beginning and 28.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1529.38ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 28.8MB in the beginning and 35.6MB in the end (delta: -6.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * TraceAbstraction took 28353.89ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 40.29ms. Allocated memory is still 86.0MB. Free memory was 33.3MB in the beginning and 29.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 241]: 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 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.3s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 10.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 7346 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 572 IncrementalHoareTripleChecker+Unchecked, 5880 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1466 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 466 GetRequests, 372 SyntacticMatches, 3 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=13, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 60 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 116 PreInvPairs, 124 NumberOfFragments, 205 HoareAnnotationTreeSize, 116 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 456 ConstructedInterpolants, 222 QuantifiedInterpolants, 4407 SizeOfPredicates, 92 NumberOfNonLiveVariables, 1962 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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: 87]: Loop Invariant [2022-07-22 14:35:23,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,812 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,814 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] Derived loop invariant: ((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_6), 2139095040bv32) && y == ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[22:0])) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant [2022-07-22 14:35:23,815 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] [2022-07-22 14:35:23,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,816 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,816 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,820 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,820 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] [2022-07-22 14:35:23,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,821 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27,QUANTIFIED] [2022-07-22 14:35:23,821 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27 : bv32, ULTIMATE.start___ieee754_hypotf_~b~0#1 : C_FLOAT :: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(~bvand32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27, 2147483647bv32)[31:31], ~bvand32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27, 2147483647bv32)[30:23], ~bvand32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27, 2147483647bv32)[22:0]), ULTIMATE.start___ieee754_hypotf_~b~0#1) && ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_27[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant [2022-07-22 14:35:23,824 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,824 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,824 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,825 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,825 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,826 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,831 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,832 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == y && (((\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_6 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_6), 2139095040bv32) && y == ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[22:0])) && \result == 0bv32) || ((\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_6), 2139095040bv32) && y == ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[22:0])) && \result == 1bv32))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant [2022-07-22 14:35:23,832 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,833 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,833 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,833 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == y && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 93]: Loop Invariant [2022-07-22 14:35:23,833 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,834 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,835 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:35:23,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,835 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36,QUANTIFIED] [2022-07-22 14:35:23,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:35:23,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] [2022-07-22 14:35:23,836 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~1#1_6,QUANTIFIED] Derived loop invariant: (((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36 : bv32 :: ha == ~bvand32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36, 2147483647bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_36[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && (\exists v_ULTIMATE.start_isfinite_float_~ix~1#1_6 : bv32 :: ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_6), 2139095040bv32) && y == ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~1#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_6[22:0])) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 14:35:23,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE