./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0520.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0520.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 ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:27:01,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:27:01,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:27:01,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:27:01,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:27:01,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:27:01,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:27:01,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:27:01,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:27:01,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:27:01,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:27:01,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:27:01,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:27:01,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:27:01,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:27:01,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:27:01,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:27:01,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:27:01,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:27:01,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:27:01,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:27:01,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:27:01,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:27:01,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:27:01,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:27:01,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:27:01,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:27:01,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:27:01,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:27:01,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:27:01,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:27:01,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:27:01,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:27:01,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:27:01,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:27:01,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:27:01,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:27:01,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:27:01,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:27:01,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:27:01,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:27:01,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 07:27:01,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:27:01,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:27:01,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:27:01,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:27:01,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:27:01,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:27:01,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:27:01,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:27:01,334 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:27:01,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:27:01,334 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:27:01,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 07:27:01,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:27:01,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:27:01,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:27:01,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:27:01,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:27:01,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:27:01,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:27:01,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:27:01,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:27:01,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:27:01,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:27:01,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:27:01,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:27:01,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:27:01,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:27:01,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:27:01,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 07:27:01,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 07:27:01,337 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:27:01,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:27:01,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:27:01,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:27:01,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 [2021-12-17 07:27:01,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:27:01,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:27:01,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:27:01,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:27:01,699 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:27:01,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-12-17 07:27:01,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ca8b5647/4d42248c6ab34b6c96c4f3bb1505d67b/FLAGec271be79 [2021-12-17 07:27:02,294 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:27:02,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-12-17 07:27:02,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ca8b5647/4d42248c6ab34b6c96c4f3bb1505d67b/FLAGec271be79 [2021-12-17 07:27:02,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ca8b5647/4d42248c6ab34b6c96c4f3bb1505d67b [2021-12-17 07:27:02,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:27:02,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:27:02,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:27:02,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:27:02,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:27:02,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:27:02" (1/1) ... [2021-12-17 07:27:02,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4560bcb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:02, skipping insertion in model container [2021-12-17 07:27:02,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:27:02" (1/1) ... [2021-12-17 07:27:02,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:27:02,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:27:02,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-12-17 07:27:02,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:27:02,955 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:27:03,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-12-17 07:27:03,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:27:03,074 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:27:03,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03 WrapperNode [2021-12-17 07:27:03,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:27:03,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:27:03,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:27:03,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:27:03,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,159 INFO L137 Inliner]: procedures = 24, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 961 [2021-12-17 07:27:03,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:27:03,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:27:03,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:27:03,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:27:03,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:27:03,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:27:03,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:27:03,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:27:03,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (1/1) ... [2021-12-17 07:27:03,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:27:03,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:27:03,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 07:27:03,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 07:27:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:27:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-17 07:27:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-17 07:27:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-17 07:27:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-17 07:27:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 07:27:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:27:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-17 07:27:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-17 07:27:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-17 07:27:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 07:27:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-17 07:27:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-12-17 07:27:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-12-17 07:27:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:27:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:27:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 07:27:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-17 07:27:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:27:03,508 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:27:03,509 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:27:04,168 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:27:04,174 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:27:04,179 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-12-17 07:27:04,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:27:04 BoogieIcfgContainer [2021-12-17 07:27:04,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:27:04,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:27:04,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:27:04,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:27:04,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:27:02" (1/3) ... [2021-12-17 07:27:04,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227976e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:27:04, skipping insertion in model container [2021-12-17 07:27:04,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:03" (2/3) ... [2021-12-17 07:27:04,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227976e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:27:04, skipping insertion in model container [2021-12-17 07:27:04,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:27:04" (3/3) ... [2021-12-17 07:27:04,195 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0520.c [2021-12-17 07:27:04,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:27:04,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:27:04,264 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:27:04,270 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 07:27:04,270 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:27:04,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 07:27:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-17 07:27:04,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:27:04,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:27:04,293 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:27:04,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:27:04,298 INFO L85 PathProgramCache]: Analyzing trace with hash 926653483, now seen corresponding path program 1 times [2021-12-17 07:27:04,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:27:04,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013940148] [2021-12-17 07:27:04,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:27:04,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:27:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:27:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:27:04,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 07:27:04,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013940148] [2021-12-17 07:27:04,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013940148] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:27:04,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:27:04,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:27:04,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007789679] [2021-12-17 07:27:04,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:27:04,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:27:04,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 07:27:04,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:27:04,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:27:04,562 INFO L87 Difference]: Start difference. First operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:04,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:27:04,628 INFO L93 Difference]: Finished difference Result 504 states and 843 transitions. [2021-12-17 07:27:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:27:04,630 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-17 07:27:04,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:27:04,649 INFO L225 Difference]: With dead ends: 504 [2021-12-17 07:27:04,649 INFO L226 Difference]: Without dead ends: 250 [2021-12-17 07:27:04,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:27:04,662 INFO L933 BasicCegarLoop]: 351 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, 351 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:27:04,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:27:04,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-17 07:27:04,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-12-17 07:27:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 07:27:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2021-12-17 07:27:04,724 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2021-12-17 07:27:04,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:27:04,725 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2021-12-17 07:27:04,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2021-12-17 07:27:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:27:04,726 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:27:04,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:27:04,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 07:27:04,726 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:27:04,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:27:04,727 INFO L85 PathProgramCache]: Analyzing trace with hash -69749587, now seen corresponding path program 1 times [2021-12-17 07:27:04,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:27:04,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436972316] [2021-12-17 07:27:04,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:27:04,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:27:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:27:04,801 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 07:27:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:27:04,876 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 07:27:04,878 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 07:27:04,880 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:27:04,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 07:27:04,884 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-17 07:27:04,887 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:27:04,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:27:04 BoogieIcfgContainer [2021-12-17 07:27:04,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:27:04,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:27:04,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:27:04,928 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:27:04,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:27:04" (3/4) ... [2021-12-17 07:27:04,931 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 07:27:04,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:27:04,934 INFO L158 Benchmark]: Toolchain (without parser) took 2312.67ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 69.7MB in the beginning and 96.4MB in the end (delta: -26.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-12-17 07:27:04,934 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 135.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:27:04,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.79ms. Allocated memory is still 113.2MB. Free memory was 69.6MB in the beginning and 73.8MB in the end (delta: -4.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-12-17 07:27:04,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.50ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 67.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:27:04,937 INFO L158 Benchmark]: Boogie Preprocessor took 134.93ms. Allocated memory is still 113.2MB. Free memory was 67.5MB in the beginning and 83.7MB in the end (delta: -16.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:27:04,937 INFO L158 Benchmark]: RCFGBuilder took 892.67ms. Allocated memory is still 113.2MB. Free memory was 83.7MB in the beginning and 63.8MB in the end (delta: 20.0MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2021-12-17 07:27:04,938 INFO L158 Benchmark]: TraceAbstraction took 736.85ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 63.8MB in the beginning and 96.4MB in the end (delta: -32.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-12-17 07:27:04,938 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 159.4MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:27:04,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 135.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.79ms. Allocated memory is still 113.2MB. Free memory was 69.6MB in the beginning and 73.8MB in the end (delta: -4.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.50ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 67.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.93ms. Allocated memory is still 113.2MB. Free memory was 67.5MB in the beginning and 83.7MB in the end (delta: -16.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 892.67ms. Allocated memory is still 113.2MB. Free memory was 83.7MB in the beginning and 63.8MB in the end (delta: 20.0MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * TraceAbstraction took 736.85ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 63.8MB in the beginning and 96.4MB in the end (delta: -32.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 159.4MB. Free memory is still 96.4MB. 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: 648]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 537, overapproximation of someBinaryArithmeticDOUBLEoperation at line 628, overapproximation of bitwiseAnd at line 623, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double huge_floor = 1.0e300; [L107-L109] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L178] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L180-L185] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L187-L189] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L364-L375] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L377-L384] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L528-L539] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L643] double x = 0.0 / 0.0; [L644] CALL, EXPR tan_double(x) [L614] double y[2], z = 0.0; [L615] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L618] ieee_double_shape_type gh_u; [L619] gh_u.value = (x) [L620] EXPR gh_u.parts.msw [L620] (ix) = gh_u.parts.msw [L623] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L624] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L627] COND TRUE ix >= 0x7ff00000 [L628] return x - x; [L628] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L644] RET, EXPR tan_double(x) [L644] double res = tan_double(x); [L647] CALL, EXPR isnan_double(res) [L19] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \result=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] [L647] RET, EXPR isnan_double(res) [L647] COND TRUE !isnan_double(res) [L648] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 253 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 351 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, 351 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=253occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-17 07:27:04,992 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/double_req_bl_0520.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 ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:27:06,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:27:06,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:27:06,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:27:06,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:27:06,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:27:06,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:27:06,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:27:06,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:27:06,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:27:06,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:27:06,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:27:06,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:27:06,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:27:06,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:27:06,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:27:06,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:27:06,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:27:06,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:27:06,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:27:06,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:27:06,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:27:06,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:27:06,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:27:06,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:27:06,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:27:06,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:27:06,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:27:06,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:27:06,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:27:06,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:27:06,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:27:06,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:27:06,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:27:06,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:27:06,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:27:06,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:27:06,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:27:06,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:27:06,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:27:06,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:27:06,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 07:27:06,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:27:06,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:27:06,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:27:06,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:27:06,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:27:06,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:27:06,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:27:06,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:27:06,971 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:27:06,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:27:06,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:27:06,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:27:06,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:27:06,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:27:06,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:27:06,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:27:06,972 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 07:27:06,972 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 07:27:06,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 07:27:06,978 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:27:06,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:27:06,978 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:27:06,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:27:06,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:27:06,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:27:06,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:27:06,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:27:06,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:27:06,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:27:06,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:27:06,981 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 07:27:06,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 07:27:06,981 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:27:06,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:27:06,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:27:06,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:27:06,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 07:27:06,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 [2021-12-17 07:27:07,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:27:07,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:27:07,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:27:07,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:27:07,246 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:27:07,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-12-17 07:27:07,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42b797c3/15ddba2d8cd548e19619e7c3991c4c22/FLAGbba54b996 [2021-12-17 07:27:07,736 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:27:07,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-12-17 07:27:07,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42b797c3/15ddba2d8cd548e19619e7c3991c4c22/FLAGbba54b996 [2021-12-17 07:27:07,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42b797c3/15ddba2d8cd548e19619e7c3991c4c22 [2021-12-17 07:27:07,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:27:07,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:27:07,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:27:07,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:27:07,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:27:07,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:27:07" (1/1) ... [2021-12-17 07:27:07,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742d1abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:07, skipping insertion in model container [2021-12-17 07:27:07,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:27:07" (1/1) ... [2021-12-17 07:27:07,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:27:07,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:27:08,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-12-17 07:27:08,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:27:08,118 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:27:08,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-12-17 07:27:08,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:27:08,262 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:27:08,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08 WrapperNode [2021-12-17 07:27:08,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:27:08,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:27:08,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:27:08,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:27:08,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,359 INFO L137 Inliner]: procedures = 28, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 959 [2021-12-17 07:27:08,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:27:08,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:27:08,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:27:08,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:27:08,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:27:08,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:27:08,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:27:08,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:27:08,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (1/1) ... [2021-12-17 07:27:08,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:27:08,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:27:08,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 07:27:08,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 07:27:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:27:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-17 07:27:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-17 07:27:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-17 07:27:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-17 07:27:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 07:27:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-17 07:27:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:27:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-17 07:27:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-17 07:27:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-17 07:27:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 07:27:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-12-17 07:27:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-12-17 07:27:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-17 07:27:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-17 07:27:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:27:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:27:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 07:27:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:27:08,670 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:27:08,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:28:16,027 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:28:16,040 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:28:16,041 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-12-17 07:28:16,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:28:16 BoogieIcfgContainer [2021-12-17 07:28:16,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:28:16,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:28:16,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:28:16,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:28:16,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:27:07" (1/3) ... [2021-12-17 07:28:16,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b7fca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:28:16, skipping insertion in model container [2021-12-17 07:28:16,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:08" (2/3) ... [2021-12-17 07:28:16,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b7fca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:28:16, skipping insertion in model container [2021-12-17 07:28:16,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:28:16" (3/3) ... [2021-12-17 07:28:16,063 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0520.c [2021-12-17 07:28:16,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:28:16,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:28:16,137 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:28:16,146 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 07:28:16,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:28:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 07:28:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-17 07:28:16,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:28:16,171 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:28:16,172 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:28:16,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:28:16,180 INFO L85 PathProgramCache]: Analyzing trace with hash 926653483, now seen corresponding path program 1 times [2021-12-17 07:28:16,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:28:16,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667418025] [2021-12-17 07:28:16,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:28:16,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:28:16,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:28:16,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:28:16,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 07:28:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:28:16,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-17 07:28:16,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:28:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:28:17,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:28:17,031 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:28:17,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667418025] [2021-12-17 07:28:17,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667418025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:28:17,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:28:17,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:28:17,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915439031] [2021-12-17 07:28:17,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:28:17,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:28:17,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:28:17,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:28:17,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:28:17,083 INFO L87 Difference]: Start difference. First operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:28:17,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:28:17,124 INFO L93 Difference]: Finished difference Result 504 states and 843 transitions. [2021-12-17 07:28:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:28:17,127 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-17 07:28:17,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:28:17,143 INFO L225 Difference]: With dead ends: 504 [2021-12-17 07:28:17,143 INFO L226 Difference]: Without dead ends: 250 [2021-12-17 07:28:17,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:28:17,149 INFO L933 BasicCegarLoop]: 351 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, 351 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:28:17,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:28:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-17 07:28:17,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-12-17 07:28:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 07:28:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2021-12-17 07:28:17,205 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2021-12-17 07:28:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:28:17,206 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2021-12-17 07:28:17,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:28:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2021-12-17 07:28:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:28:17,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:28:17,207 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:28:17,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-17 07:28:17,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:28:17,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:28:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:28:17,426 INFO L85 PathProgramCache]: Analyzing trace with hash -69749587, now seen corresponding path program 1 times [2021-12-17 07:28:17,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:28:17,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906169154] [2021-12-17 07:28:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:28:17,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:28:17,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:28:17,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:28:17,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 07:28:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:28:17,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 07:28:17,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:28:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:28:20,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:28:20,877 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:28:20,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906169154] [2021-12-17 07:28:20,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906169154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:28:20,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:28:20,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:28:20,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114471933] [2021-12-17 07:28:20,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:28:20,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 07:28:20,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:28:20,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 07:28:20,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:28:20,880 INFO L87 Difference]: Start difference. First operand 250 states and 348 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:28:28,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:31,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:33,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:35,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:37,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:39,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:41,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:44,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:47,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:50,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:53,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:54,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:56,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:59,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:01,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:04,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:06,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:09,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:11,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:14,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:16,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:20,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:25,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:32,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:35,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:38,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:40,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:43,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:45,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:48,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:50,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:53,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:55,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:29:55,946 INFO L93 Difference]: Finished difference Result 372 states and 509 transitions. [2021-12-17 07:29:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 07:29:55,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-17 07:29:55,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:29:55,952 INFO L225 Difference]: With dead ends: 372 [2021-12-17 07:29:55,952 INFO L226 Difference]: Without dead ends: 367 [2021-12-17 07:29:55,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-17 07:29:55,954 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 276 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 7 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.6s IncrementalHoareTripleChecker+Time [2021-12-17 07:29:55,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 1586 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 151 Invalid, 28 Unknown, 0 Unchecked, 93.6s Time] [2021-12-17 07:29:55,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-12-17 07:29:55,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 328. [2021-12-17 07:29:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 302 states have (on average 1.3642384105960266) internal successors, (412), 307 states have internal predecessors, (412), 17 states have call successors, (17), 8 states have call predecessors, (17), 8 states have return successors, (20), 12 states have call predecessors, (20), 17 states have call successors, (20) [2021-12-17 07:29:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 449 transitions. [2021-12-17 07:29:55,969 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 449 transitions. Word has length 11 [2021-12-17 07:29:55,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:29:55,969 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 449 transitions. [2021-12-17 07:29:55,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:29:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 449 transitions. [2021-12-17 07:29:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-17 07:29:55,971 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:29:55,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:29:55,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-17 07:29:56,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:29:56,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:29:56,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:29:56,188 INFO L85 PathProgramCache]: Analyzing trace with hash -645544696, now seen corresponding path program 1 times [2021-12-17 07:29:56,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:29:56,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104743865] [2021-12-17 07:29:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:29:56,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:29:56,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:29:56,190 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) [2021-12-17 07:29:56,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 07:30:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:30:02,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:30:02,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:30:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:30:07,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:30:07,032 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:30:07,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104743865] [2021-12-17 07:30:07,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104743865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:30:07,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:30:07,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:30:07,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130731685] [2021-12-17 07:30:07,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:30:07,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:30:07,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:30:07,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:30:07,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-17 07:30:07,033 INFO L87 Difference]: Start difference. First operand 328 states and 449 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:30:07,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:30:07,042 INFO L93 Difference]: Finished difference Result 371 states and 497 transitions. [2021-12-17 07:30:07,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:30:07,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-12-17 07:30:07,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:30:07,056 INFO L225 Difference]: With dead ends: 371 [2021-12-17 07:30:07,057 INFO L226 Difference]: Without dead ends: 326 [2021-12-17 07:30:07,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-17 07:30:07,061 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:30:07,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1353 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-12-17 07:30:07,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-12-17 07:30:07,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2021-12-17 07:30:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 301 states have (on average 1.3621262458471761) internal successors, (410), 306 states have internal predecessors, (410), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (18), 11 states have call predecessors, (18), 16 states have call successors, (18) [2021-12-17 07:30:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 444 transitions. [2021-12-17 07:30:07,076 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 444 transitions. Word has length 22 [2021-12-17 07:30:07,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:30:07,076 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 444 transitions. [2021-12-17 07:30:07,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:30:07,077 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 444 transitions. [2021-12-17 07:30:07,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 07:30:07,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:30:07,078 INFO L514 BasicCegarLoop]: 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] [2021-12-17 07:30:07,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-17 07:30:07,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:30:07,292 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:30:07,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:30:07,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1365248396, now seen corresponding path program 1 times [2021-12-17 07:30:07,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:30:07,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134216992] [2021-12-17 07:30:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:30:07,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:30:07,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:30:07,296 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) [2021-12-17 07:30:07,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-17 07:30:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:30:13,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-17 07:30:13,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:30:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:30:16,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:30:16,657 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:30:16,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134216992] [2021-12-17 07:30:16,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134216992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:30:16,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:30:16,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:30:16,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651384690] [2021-12-17 07:30:16,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:30:16,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 07:30:16,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:30:16,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 07:30:16,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:30:16,658 INFO L87 Difference]: Start difference. First operand 326 states and 444 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2021-12-17 07:30:16,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:30:16,666 INFO L93 Difference]: Finished difference Result 372 states and 497 transitions. [2021-12-17 07:30:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:30:16,666 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), 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 28 [2021-12-17 07:30:16,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:30:16,670 INFO L225 Difference]: With dead ends: 372 [2021-12-17 07:30:16,671 INFO L226 Difference]: Without dead ends: 326 [2021-12-17 07:30:16,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:30:16,673 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:30:16,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1656 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 29 Unchecked, 0.0s Time] [2021-12-17 07:30:16,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-12-17 07:30:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2021-12-17 07:30:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 301 states have (on average 1.3588039867109634) internal successors, (409), 306 states have internal predecessors, (409), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (18), 11 states have call predecessors, (18), 16 states have call successors, (18) [2021-12-17 07:30:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 443 transitions. [2021-12-17 07:30:16,704 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 443 transitions. Word has length 28 [2021-12-17 07:30:16,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:30:16,704 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 443 transitions. [2021-12-17 07:30:16,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2021-12-17 07:30:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 443 transitions. [2021-12-17 07:30:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 07:30:16,706 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:30:16,706 INFO L514 BasicCegarLoop]: 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] [2021-12-17 07:30:16,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-17 07:30:16,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:30:16,924 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:30:16,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:30:16,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1320077549, now seen corresponding path program 1 times [2021-12-17 07:30:16,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:30:16,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528167905] [2021-12-17 07:30:16,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:30:16,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:30:16,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:30:16,928 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) [2021-12-17 07:30:16,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-17 07:30:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:30:23,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-17 07:30:23,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:30:29,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 07:30:29,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-17 07:30:30,792 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 07:30:30,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-17 07:30:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:30:37,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:30:37,208 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:30:37,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528167905] [2021-12-17 07:30:37,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528167905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:30:37,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:30:37,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-17 07:30:37,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31228724] [2021-12-17 07:30:37,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:30:37,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 07:30:37,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:30:37,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 07:30:37,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-17 07:30:37,209 INFO L87 Difference]: Start difference. First operand 326 states and 443 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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) [2021-12-17 07:30:43,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:45,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:47,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:48,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:50,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:53,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:55,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:58,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:00,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:04,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:06,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:10,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:12,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:17,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:19,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:21,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:24,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:26,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:28,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:31,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:34,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:36,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:39,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:42,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:43,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:47,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:50,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:53,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:55,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:31:58,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:03,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:06,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:08,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:11,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:13,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:16,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:19,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:22,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:24,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:26,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:26,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:32:26,577 INFO L93 Difference]: Finished difference Result 390 states and 520 transitions. [2021-12-17 07:32:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 07:32:26,625 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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 31 [2021-12-17 07:32:26,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:32:26,626 INFO L225 Difference]: With dead ends: 390 [2021-12-17 07:32:26,626 INFO L226 Difference]: Without dead ends: 384 [2021-12-17 07:32:26,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-12-17 07:32:26,627 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 159 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 37 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 2649 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 37 IncrementalHoareTripleChecker+Unknown, 181 IncrementalHoareTripleChecker+Unchecked, 106.5s IncrementalHoareTripleChecker+Time [2021-12-17 07:32:26,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 2649 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 37 Unknown, 181 Unchecked, 106.5s Time] [2021-12-17 07:32:26,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-12-17 07:32:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 346. [2021-12-17 07:32:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 318 states have (on average 1.3553459119496856) internal successors, (431), 325 states have internal predecessors, (431), 18 states have call successors, (18), 8 states have call predecessors, (18), 9 states have return successors, (20), 12 states have call predecessors, (20), 18 states have call successors, (20) [2021-12-17 07:32:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 469 transitions. [2021-12-17 07:32:26,671 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 469 transitions. Word has length 31 [2021-12-17 07:32:26,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:32:26,672 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 469 transitions. [2021-12-17 07:32:26,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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) [2021-12-17 07:32:26,672 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 469 transitions. [2021-12-17 07:32:26,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 07:32:26,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:32:26,678 INFO L514 BasicCegarLoop]: 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] [2021-12-17 07:32:26,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-17 07:32:26,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:32:26,891 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:32:26,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:32:26,892 INFO L85 PathProgramCache]: Analyzing trace with hash 413768606, now seen corresponding path program 1 times [2021-12-17 07:32:26,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:32:26,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966075152] [2021-12-17 07:32:26,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:32:26,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:32:26,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:32:26,898 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) [2021-12-17 07:32:26,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-17 07:32:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:32:32,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-17 07:32:32,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:32:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 07:32:40,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-17 07:32:41,128 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 07:32:41,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-17 07:32:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:32:49,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:32:49,117 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:32:49,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966075152] [2021-12-17 07:32:49,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [966075152] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:32:49,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:32:49,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-17 07:32:49,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024597709] [2021-12-17 07:32:49,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:32:49,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 07:32:49,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:32:49,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 07:32:49,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-17 07:32:49,118 INFO L87 Difference]: Start difference. First operand 346 states and 469 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2021-12-17 07:32:50,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:56,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:32:58,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:00,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:06,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:08,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:10,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:12,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:15,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:18,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:20,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:24,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:26,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:28,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:30,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:31,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:33,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:36,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:38,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:40,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:42,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:45,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:47,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:49,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:52,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:54,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:56,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:33:58,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:02,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:04,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:06,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:08,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:10,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:14,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:16,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:18,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:20,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:22,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:24,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:26,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:28,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:30,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:34,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:36,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:38,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:44,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:48,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:50,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:52,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:54,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:56,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:58,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:01,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:03,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:05,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:07,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:09,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:11,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:14,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:16,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:19,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:21,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:22,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:25,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:28,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:30,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:30,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:35:30,361 INFO L93 Difference]: Finished difference Result 378 states and 504 transitions. [2021-12-17 07:35:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 07:35:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 32 [2021-12-17 07:35:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:35:30,410 INFO L225 Difference]: With dead ends: 378 [2021-12-17 07:35:30,410 INFO L226 Difference]: Without dead ends: 372 [2021-12-17 07:35:30,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-12-17 07:35:30,410 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 163 mSDsluCounter, 2677 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 8 mSolverCounterUnsat, 57 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 153.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 3010 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 57 IncrementalHoareTripleChecker+Unknown, 234 IncrementalHoareTripleChecker+Unchecked, 157.9s IncrementalHoareTripleChecker+Time [2021-12-17 07:35:30,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 3010 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 139 Invalid, 57 Unknown, 234 Unchecked, 157.9s Time] [2021-12-17 07:35:30,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-12-17 07:35:30,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 349. [2021-12-17 07:35:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 321 states have (on average 1.355140186915888) internal successors, (435), 327 states have internal predecessors, (435), 18 states have call successors, (18), 8 states have call predecessors, (18), 9 states have return successors, (20), 13 states have call predecessors, (20), 18 states have call successors, (20) [2021-12-17 07:35:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 473 transitions. [2021-12-17 07:35:30,430 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 473 transitions. Word has length 32 [2021-12-17 07:35:30,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:35:30,430 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 473 transitions. [2021-12-17 07:35:30,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2021-12-17 07:35:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 473 transitions. [2021-12-17 07:35:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 07:35:30,433 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:35:30,433 INFO L514 BasicCegarLoop]: 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] [2021-12-17 07:35:30,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-17 07:35:30,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:35:30,644 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:35:30,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:35:30,644 INFO L85 PathProgramCache]: Analyzing trace with hash -974370973, now seen corresponding path program 1 times [2021-12-17 07:35:30,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:35:30,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412460291] [2021-12-17 07:35:30,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:35:30,645 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:35:30,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:35:30,652 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) [2021-12-17 07:35:30,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-17 07:35:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:35:36,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-17 07:35:36,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:35:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:35:41,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:35:41,227 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:35:41,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412460291] [2021-12-17 07:35:41,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412460291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:35:41,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:35:41,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:35:41,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352083108] [2021-12-17 07:35:41,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:35:41,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 07:35:41,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:35:41,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 07:35:41,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:35:41,228 INFO L87 Difference]: Start difference. First operand 349 states and 473 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-12-17 07:35:41,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:35:41,240 INFO L93 Difference]: Finished difference Result 406 states and 541 transitions. [2021-12-17 07:35:41,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:35:41,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 32 [2021-12-17 07:35:41,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:35:41,244 INFO L225 Difference]: With dead ends: 406 [2021-12-17 07:35:41,245 INFO L226 Difference]: Without dead ends: 344 [2021-12-17 07:35:41,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:35:41,246 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 0 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:35:41,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1616 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2021-12-17 07:35:41,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-12-17 07:35:41,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2021-12-17 07:35:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 316 states have (on average 1.3481012658227849) internal successors, (426), 322 states have internal predecessors, (426), 18 states have call successors, (18), 8 states have call predecessors, (18), 9 states have return successors, (20), 13 states have call predecessors, (20), 18 states have call successors, (20) [2021-12-17 07:35:41,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 464 transitions. [2021-12-17 07:35:41,273 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 464 transitions. Word has length 32 [2021-12-17 07:35:41,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:35:41,274 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 464 transitions. [2021-12-17 07:35:41,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-12-17 07:35:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 464 transitions. [2021-12-17 07:35:41,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 07:35:41,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:35:41,276 INFO L514 BasicCegarLoop]: 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] [2021-12-17 07:35:41,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-17 07:35:41,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:35:41,503 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:35:41,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:35:41,504 INFO L85 PathProgramCache]: Analyzing trace with hash -536136206, now seen corresponding path program 1 times [2021-12-17 07:35:41,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:35:41,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349301986] [2021-12-17 07:35:41,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:35:41,504 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:35:41,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:35:41,505 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) [2021-12-17 07:35:41,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-17 07:35:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:35:47,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:35:47,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:35:52,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:35:52,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:35:52,746 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:35:52,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349301986] [2021-12-17 07:35:52,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349301986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:35:52,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:35:52,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:35:52,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243195308] [2021-12-17 07:35:52,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:35:52,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:35:52,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:35:52,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:35:52,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-17 07:35:52,748 INFO L87 Difference]: Start difference. First operand 344 states and 464 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-12-17 07:35:52,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:35:52,751 INFO L93 Difference]: Finished difference Result 344 states and 464 transitions. [2021-12-17 07:35:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:35:52,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 33 [2021-12-17 07:35:52,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:35:52,751 INFO L225 Difference]: With dead ends: 344 [2021-12-17 07:35:52,751 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 07:35:52,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-17 07:35:52,752 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:35:52,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-12-17 07:35:52,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 07:35:52,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 07:35:52,753 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) [2021-12-17 07:35:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 07:35:52,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-12-17 07:35:52,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:35:52,753 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 07:35:52,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-12-17 07:35:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 07:35:52,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 07:35:52,756 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:35:52,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-17 07:35:52,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:35:52,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 07:35:57,016 INFO L861 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: true [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L151-1(line 151) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 152) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 111 161) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 139 144) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L861 garLoopResultBuilder]: At program point L139-2(lines 139 144) the Hoare annotation is: true [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L139-3(lines 139 144) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 151) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 111 161) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 111 161) the Hoare annotation is: true [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L861 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 132) no Hoare annotation was computed. [2021-12-17 07:35:57,016 INFO L858 garLoopResultBuilder]: For program point L120-2(lines 111 161) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L861 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: true [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L149-1(line 149) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L861 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: true [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L137-1(line 137) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 154 159) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L861 garLoopResultBuilder]: At program point L154-2(lines 154 159) the Hoare annotation is: true [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L154-3(lines 154 159) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 118) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L861 garLoopResultBuilder]: At program point L113-2(lines 113 118) the Hoare annotation is: true [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L113-3(lines 113 118) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 146) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 131) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 97) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 86 105) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 86 105) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 86 105) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 86 105) the Hoare annotation is: true [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 103) no Hoare annotation was computed. [2021-12-17 07:35:57,017 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 86 105) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L98-2(lines 98 103) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L861 garLoopResultBuilder]: At program point L88-2(lines 88 92) the Hoare annotation is: true [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 162 176) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 162 176) the Hoare annotation is: true [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 174) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 162 176) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L169-2(lines 169 174) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 162 176) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L164-1(lines 164 168) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L861 garLoopResultBuilder]: At program point L164-2(lines 164 168) the Hoare annotation is: true [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L564-1(lines 564 573) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point __kernel_tanFINAL(lines 541 611) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 544 548) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L861 garLoopResultBuilder]: At program point L544-2(lines 544 548) the Hoare annotation is: true [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L544-3(lines 544 548) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L602-1(lines 602 607) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L861 garLoopResultBuilder]: At program point L602-2(lines 602 607) the Hoare annotation is: true [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L602-3(lines 602 607) no Hoare annotation was computed. [2021-12-17 07:35:57,018 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 568) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L861 garLoopResultBuilder]: At program point __kernel_tanENTRY(lines 541 611) the Hoare annotation is: true [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L565-2(lines 565 568) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L594-1(lines 594 599) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L861 garLoopResultBuilder]: At program point L594-2(lines 594 599) the Hoare annotation is: true [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L561-2(line 561) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L594-3(lines 594 599) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 553 557) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L861 garLoopResultBuilder]: At program point L553-2(lines 553 557) the Hoare annotation is: true [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L553-3(lines 551 562) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point __kernel_tanEXIT(lines 541 611) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 563) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L550-2(lines 541 611) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L861 garLoopResultBuilder]: At program point L559(line 559) the Hoare annotation is: true [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L559-1(line 559) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 610) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 562) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 503) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L498-1(lines 397 526) no Hoare annotation was computed. [2021-12-17 07:35:57,019 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 503) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 202) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L201-2(lines 201 202) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L334-2(lines 334 335) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L854 garLoopResultBuilder]: At program point L334-3(lines 334 335) the Hoare annotation is: false [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L334-4(lines 320 360) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L854 garLoopResultBuilder]: At program point L632(line 632) the Hoare annotation is: false [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L632-1(line 632) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L854 garLoopResultBuilder]: At program point L632-2(lines 613 634) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_tan_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L38(lines 38 41) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 238) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L270-1(lines 192 362) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 192 362) no Hoare annotation was computed. [2021-12-17 07:35:57,020 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 404 408) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L854 garLoopResultBuilder]: At program point L404-2(lines 404 408) the Hoare annotation is: false [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L338(line 338) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L404-3(lines 404 408) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 273) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L854 garLoopResultBuilder]: At program point L272-3(lines 272 273) the Hoare annotation is: false [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L272-4(lines 270 287) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L240(lines 192 362) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L854 garLoopResultBuilder]: At program point L339-3(lines 339 343) the Hoare annotation is: false [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L339-4(lines 339 343) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L207-2(lines 207 208) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L854 garLoopResultBuilder]: At program point L207-3(lines 207 208) the Hoare annotation is: false [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L207-4(lines 207 208) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 505 510) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L854 garLoopResultBuilder]: At program point L505-2(lines 505 510) the Hoare annotation is: false [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L505-3(lines 505 510) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L208-2(line 208) no Hoare annotation was computed. [2021-12-17 07:35:57,021 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 486) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L275-1(lines 275 276) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L275-3(lines 275 276) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L854 garLoopResultBuilder]: At program point L275-4(lines 275 276) the Hoare annotation is: false [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L275-5(lines 275 276) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 82) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L77-1(lines 23 84) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L854 garLoopResultBuilder]: At program point L441(line 441) the Hoare annotation is: false [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L441-1(line 441) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 312) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 312) the Hoare annotation is: false [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L243-2(lines 243 252) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 309 312) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 214) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L854 garLoopResultBuilder]: At program point L243-3(lines 243 252) the Hoare annotation is: false [2021-12-17 07:35:57,022 INFO L854 garLoopResultBuilder]: At program point L210-3(lines 210 214) the Hoare annotation is: false [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L243-4(lines 240 268) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 214) no Hoare annotation was computed. [2021-12-17 07:35:57,022 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 46) no Hoare annotation was computed. [2021-12-17 07:35:57,023 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 211 212) no Hoare annotation was computed. [2021-12-17 07:35:57,023 INFO L854 garLoopResultBuilder]: At program point L211-3(lines 211 212) the Hoare annotation is: false [2021-12-17 07:35:57,023 INFO L858 garLoopResultBuilder]: For program point L211-4(lines 211 212) no Hoare annotation was computed. [2021-12-17 07:35:57,023 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 414) no Hoare annotation was computed. [2021-12-17 07:35:57,023 INFO L858 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2021-12-17 07:35:57,023 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 251) no Hoare annotation was computed. [2021-12-17 07:35:57,023 INFO L854 garLoopResultBuilder]: At program point L344-3(lines 344 348) the Hoare annotation is: false [2021-12-17 07:35:57,031 INFO L858 garLoopResultBuilder]: For program point L278-2(lines 278 283) no Hoare annotation was computed. [2021-12-17 07:35:57,032 INFO L858 garLoopResultBuilder]: For program point L344-4(lines 344 348) no Hoare annotation was computed. [2021-12-17 07:35:57,033 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 283) the Hoare annotation is: false [2021-12-17 07:35:57,033 INFO L858 garLoopResultBuilder]: For program point L278-4(lines 278 283) no Hoare annotation was computed. [2021-12-17 07:35:57,034 INFO L858 garLoopResultBuilder]: For program point L47(lines 47 52) no Hoare annotation was computed. [2021-12-17 07:35:57,034 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 249) no Hoare annotation was computed. [2021-12-17 07:35:57,034 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2021-12-17 07:35:57,034 INFO L858 garLoopResultBuilder]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2021-12-17 07:35:57,034 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 511 514) no Hoare annotation was computed. [2021-12-17 07:35:57,034 INFO L854 garLoopResultBuilder]: At program point L511-3(lines 511 514) the Hoare annotation is: false [2021-12-17 07:35:57,034 INFO L858 garLoopResultBuilder]: For program point L511-4(lines 511 514) no Hoare annotation was computed. [2021-12-17 07:35:57,034 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 280 281) no Hoare annotation was computed. [2021-12-17 07:35:57,034 INFO L854 garLoopResultBuilder]: At program point L280-3(lines 280 281) the Hoare annotation is: false [2021-12-17 07:35:57,035 INFO L858 garLoopResultBuilder]: For program point L280-4(lines 280 281) no Hoare annotation was computed. [2021-12-17 07:35:57,035 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-12-17 07:35:57,035 INFO L858 garLoopResultBuilder]: For program point L446-2(lines 446 478) no Hoare annotation was computed. [2021-12-17 07:35:57,035 INFO L858 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-12-17 07:35:57,035 INFO L854 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2021-12-17 07:35:57,035 INFO L858 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2021-12-17 07:35:57,035 INFO L854 garLoopResultBuilder]: At program point L83(lines 23 84) the Hoare annotation is: false [2021-12-17 07:35:57,035 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 485) no Hoare annotation was computed. [2021-12-17 07:35:57,035 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 316) no Hoare annotation was computed. [2021-12-17 07:35:57,036 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 315 316) the Hoare annotation is: false [2021-12-17 07:35:57,036 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 315 316) no Hoare annotation was computed. [2021-12-17 07:35:57,036 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 439) no Hoare annotation was computed. [2021-12-17 07:35:57,036 INFO L858 garLoopResultBuilder]: For program point L349-2(lines 349 350) no Hoare annotation was computed. [2021-12-17 07:35:57,036 INFO L854 garLoopResultBuilder]: At program point L349-3(lines 349 350) the Hoare annotation is: false [2021-12-17 07:35:57,036 INFO L858 garLoopResultBuilder]: For program point L349-4(lines 320 360) no Hoare annotation was computed. [2021-12-17 07:35:57,036 INFO L854 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_tan_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= |ULTIMATE.start_isnan_double_#res#1| (_ bv1 32))) [2021-12-17 07:35:57,036 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 650) no Hoare annotation was computed. [2021-12-17 07:35:57,037 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 438) no Hoare annotation was computed. [2021-12-17 07:35:57,037 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 07:35:57,037 INFO L858 garLoopResultBuilder]: For program point L648(line 648) no Hoare annotation was computed. [2021-12-17 07:35:57,037 INFO L854 garLoopResultBuilder]: At program point L285(lines 192 362) the Hoare annotation is: false [2021-12-17 07:35:57,037 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2021-12-17 07:35:57,037 INFO L854 garLoopResultBuilder]: At program point L219-3(lines 219 223) the Hoare annotation is: false [2021-12-17 07:35:57,037 INFO L854 garLoopResultBuilder]: At program point L219-4(lines 219 223) the Hoare annotation is: false [2021-12-17 07:35:57,037 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 76) no Hoare annotation was computed. [2021-12-17 07:35:57,037 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 517 518) no Hoare annotation was computed. [2021-12-17 07:35:57,038 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 425) no Hoare annotation was computed. [2021-12-17 07:35:57,038 INFO L854 garLoopResultBuilder]: At program point L517-3(lines 517 518) the Hoare annotation is: false [2021-12-17 07:35:57,042 INFO L858 garLoopResultBuilder]: For program point L517-4(lines 517 518) no Hoare annotation was computed. [2021-12-17 07:35:57,046 INFO L858 garLoopResultBuilder]: For program point L418-2(lines 418 425) no Hoare annotation was computed. [2021-12-17 07:35:57,047 INFO L858 garLoopResultBuilder]: For program point L253-1(lines 240 268) no Hoare annotation was computed. [2021-12-17 07:35:57,047 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 58) no Hoare annotation was computed. [2021-12-17 07:35:57,047 INFO L858 garLoopResultBuilder]: For program point L617-1(lines 617 621) no Hoare annotation was computed. [2021-12-17 07:35:57,047 INFO L854 garLoopResultBuilder]: At program point L617-2(lines 617 621) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (_ bv0 32) |ULTIMATE.start_tan_double_~#y~0#1.offset|) (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) [2021-12-17 07:35:57,047 INFO L858 garLoopResultBuilder]: For program point L617-3(lines 617 621) no Hoare annotation was computed. [2021-12-17 07:35:57,047 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 452 456) no Hoare annotation was computed. [2021-12-17 07:35:57,047 INFO L854 garLoopResultBuilder]: At program point L452-2(lines 452 456) the Hoare annotation is: false [2021-12-17 07:35:57,048 INFO L858 garLoopResultBuilder]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2021-12-17 07:35:57,048 INFO L854 garLoopResultBuilder]: At program point L320(lines 320 360) the Hoare annotation is: false [2021-12-17 07:35:57,048 INFO L854 garLoopResultBuilder]: At program point L254(lines 254 261) the Hoare annotation is: false [2021-12-17 07:35:57,048 INFO L858 garLoopResultBuilder]: For program point L321(line 321) no Hoare annotation was computed. [2021-12-17 07:35:57,048 INFO L858 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2021-12-17 07:35:57,048 INFO L861 garLoopResultBuilder]: At program point L652(lines 636 653) the Hoare annotation is: true [2021-12-17 07:35:57,048 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-12-17 07:35:57,049 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 07:35:57,049 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 491) no Hoare annotation was computed. [2021-12-17 07:35:57,049 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 324) no Hoare annotation was computed. [2021-12-17 07:35:57,049 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 324) the Hoare annotation is: false [2021-12-17 07:35:57,049 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 320 360) no Hoare annotation was computed. [2021-12-17 07:35:57,049 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-12-17 07:35:57,049 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-12-17 07:35:57,050 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2021-12-17 07:35:57,050 INFO L858 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2021-12-17 07:35:57,050 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-12-17 07:35:57,050 INFO L858 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2021-12-17 07:35:57,050 INFO L858 garLoopResultBuilder]: For program point L292-1(lines 292 295) no Hoare annotation was computed. [2021-12-17 07:35:57,050 INFO L854 garLoopResultBuilder]: At program point L292-3(lines 292 295) the Hoare annotation is: false [2021-12-17 07:35:57,050 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 62) no Hoare annotation was computed. [2021-12-17 07:35:57,050 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 07:35:57,051 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 477) no Hoare annotation was computed. [2021-12-17 07:35:57,051 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 446 478) no Hoare annotation was computed. [2021-12-17 07:35:57,051 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 633) no Hoare annotation was computed. [2021-12-17 07:35:57,051 INFO L854 garLoopResultBuilder]: At program point L525(lines 397 526) the Hoare annotation is: false [2021-12-17 07:35:57,051 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-12-17 07:35:57,051 INFO L858 garLoopResultBuilder]: For program point L327-2(line 327) no Hoare annotation was computed. [2021-12-17 07:35:57,051 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 75) no Hoare annotation was computed. [2021-12-17 07:35:57,052 INFO L854 garLoopResultBuilder]: At program point L625(line 625) the Hoare annotation is: false [2021-12-17 07:35:57,052 INFO L858 garLoopResultBuilder]: For program point L625-1(line 625) no Hoare annotation was computed. [2021-12-17 07:35:57,052 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 493 497) no Hoare annotation was computed. [2021-12-17 07:35:57,052 INFO L854 garLoopResultBuilder]: At program point L493-2(lines 493 497) the Hoare annotation is: false [2021-12-17 07:35:57,052 INFO L854 garLoopResultBuilder]: At program point L361(lines 191 362) the Hoare annotation is: false [2021-12-17 07:35:57,052 INFO L858 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2021-12-17 07:35:57,052 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 73) no Hoare annotation was computed. [2021-12-17 07:35:57,053 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2021-12-17 07:35:57,053 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-17 07:35:57,053 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 72) no Hoare annotation was computed. [2021-12-17 07:35:57,053 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 07:35:57,053 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2021-12-17 07:35:57,053 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2021-12-17 07:35:57,053 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 436) no Hoare annotation was computed. [2021-12-17 07:35:57,054 INFO L858 garLoopResultBuilder]: For program point L429-2(lines 429 436) no Hoare annotation was computed. [2021-12-17 07:35:57,054 INFO L854 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: false [2021-12-17 07:35:57,055 INFO L858 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-12-17 07:35:57,055 INFO L858 garLoopResultBuilder]: For program point L330-2(lines 330 331) no Hoare annotation was computed. [2021-12-17 07:35:57,055 INFO L854 garLoopResultBuilder]: At program point L330-3(lines 330 331) the Hoare annotation is: false [2021-12-17 07:35:57,055 INFO L858 garLoopResultBuilder]: For program point L330-4(lines 320 360) no Hoare annotation was computed. [2021-12-17 07:35:57,055 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 76) no Hoare annotation was computed. [2021-12-17 07:35:57,055 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 305) no Hoare annotation was computed. [2021-12-17 07:35:57,055 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 266) no Hoare annotation was computed. [2021-12-17 07:35:57,056 INFO L854 garLoopResultBuilder]: At program point L298-2(lines 289 306) the Hoare annotation is: false [2021-12-17 07:35:57,056 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 53) no Hoare annotation was computed. [2021-12-17 07:35:57,056 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2021-12-17 07:35:57,056 INFO L854 garLoopResultBuilder]: At program point L464-2(lines 464 468) the Hoare annotation is: false [2021-12-17 07:35:57,056 INFO L858 garLoopResultBuilder]: For program point L464-3(lines 464 468) no Hoare annotation was computed. [2021-12-17 07:35:57,056 INFO L858 garLoopResultBuilder]: For program point L332-1(line 332) no Hoare annotation was computed. [2021-12-17 07:35:57,056 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2021-12-17 07:35:57,057 INFO L858 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2021-12-17 07:35:57,057 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 42) no Hoare annotation was computed. [2021-12-17 07:35:57,060 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:35:57,061 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:35:57,072 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,073 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,073 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,074 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,076 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,076 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,076 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,076 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:35:57 BoogieIcfgContainer [2021-12-17 07:35:57,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:35:57,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:35:57,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:35:57,081 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:35:57,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:28:16" (3/4) ... [2021-12-17 07:35:57,084 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 07:35:57,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-12-17 07:35:57,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-12-17 07:35:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-12-17 07:35:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tan [2021-12-17 07:35:57,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-17 07:35:57,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-12-17 07:35:57,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-17 07:35:57,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 07:35:57,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2021-12-17 07:35:57,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == 1bv32 [2021-12-17 07:35:57,220 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 07:35:57,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:35:57,222 INFO L158 Benchmark]: Toolchain (without parser) took 529457.62ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 46.5MB in the beginning and 60.0MB in the end (delta: -13.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-12-17 07:35:57,224 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:35:57,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.89ms. Allocated memory is still 67.1MB. Free memory was 46.3MB in the beginning and 30.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 07:35:57,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.45ms. Allocated memory is still 67.1MB. Free memory was 30.2MB in the beginning and 44.6MB in the end (delta: -14.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-12-17 07:35:57,229 INFO L158 Benchmark]: Boogie Preprocessor took 104.36ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 37.6MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:35:57,230 INFO L158 Benchmark]: RCFGBuilder took 67581.08ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 39.1MB in the end (delta: -1.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2021-12-17 07:35:57,230 INFO L158 Benchmark]: TraceAbstraction took 461022.15ms. Allocated memory is still 92.3MB. Free memory was 38.6MB in the beginning and 47.4MB in the end (delta: -8.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-12-17 07:35:57,231 INFO L158 Benchmark]: Witness Printer took 140.16ms. Allocated memory is still 92.3MB. Free memory was 47.4MB in the beginning and 60.0MB in the end (delta: -12.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-17 07:35:57,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.89ms. Allocated memory is still 67.1MB. Free memory was 46.3MB in the beginning and 30.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.45ms. Allocated memory is still 67.1MB. Free memory was 30.2MB in the beginning and 44.6MB in the end (delta: -14.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.36ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 37.6MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 67581.08ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 39.1MB in the end (delta: -1.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * TraceAbstraction took 461022.15ms. Allocated memory is still 92.3MB. Free memory was 38.6MB in the beginning and 47.4MB in the end (delta: -8.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 140.16ms. Allocated memory is still 92.3MB. Free memory was 47.4MB in the beginning and 60.0MB in the end (delta: -12.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 648]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 253 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 460.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 366.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 122 mSolverCounterUnknown, 606 SdHoareTripleChecker+Valid, 358.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 598 mSDsluCounter, 12229 SdHoareTripleChecker+Invalid, 344.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 477 IncrementalHoareTripleChecker+Unchecked, 9906 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 399 IncrementalHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 2323 mSDtfsCounter, 399 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 31.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=6, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 100 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 196 PreInvPairs, 208 NumberOfFragments, 119 HoareAnnotationTreeSize, 196 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 33.1s SatisfiabilityAnalysisTime, 54.9s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 191 ConstructedInterpolants, 49 QuantifiedInterpolants, 1375 SizeOfPredicates, 77 NumberOfNonLiveVariables, 2564 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant [2021-12-17 07:35:57,250 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,251 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,251 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,252 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 617]: Loop Invariant [2021-12-17 07:35:57,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,254 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 0bv32 == y) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant [2021-12-17 07:35:57,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:35:57,261 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == 1bv32 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 07:35:57,467 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-17 07:35:57,620 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE