./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_1072b.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 e7dcfadaf395f5e1f003958201bf3509e8bacbad38ee9464456c3349790c2dc9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:03:26,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:03:26,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:03:26,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:03:26,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:03:26,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:03:26,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:03:26,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:03:26,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:03:26,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:03:26,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:03:26,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:03:26,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:03:26,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:03:26,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:03:26,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:03:26,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:03:26,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:03:26,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:03:26,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:03:26,422 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:03:26,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:03:26,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:03:26,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:03:26,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:03:26,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:03:26,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:03:26,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:03:26,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:03:26,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:03:26,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:03:26,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:03:26,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:03:26,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:03:26,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:03:26,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:03:26,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:03:26,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:03:26,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:03:26,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:03:26,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:03:26,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:03:26,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 03:03:26,463 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:03:26,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:03:26,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:03:26,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:03:26,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:03:26,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:03:26,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:03:26,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:03:26,465 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:03:26,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:03:26,466 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:03:26,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 03:03:26,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:03:26,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:03:26,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:03:26,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:03:26,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:03:26,467 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:03:26,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:03:26,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:03:26,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:03:26,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:03:26,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:03:26,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:03:26,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:26,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:03:26,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:03:26,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:03:26,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 03:03:26,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 03:03:26,469 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:03:26,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:03:26,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:03:26,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7dcfadaf395f5e1f003958201bf3509e8bacbad38ee9464456c3349790c2dc9 [2022-07-12 03:03:26,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:03:26,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:03:26,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:03:26,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:03:26,687 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:03:26,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2022-07-12 03:03:26,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a5067d9/2ac93c61d794480bb3f13ecfb9a5dd4f/FLAGac17b92ea [2022-07-12 03:03:27,133 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:03:27,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2022-07-12 03:03:27,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a5067d9/2ac93c61d794480bb3f13ecfb9a5dd4f/FLAGac17b92ea [2022-07-12 03:03:27,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a5067d9/2ac93c61d794480bb3f13ecfb9a5dd4f [2022-07-12 03:03:27,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:03:27,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:03:27,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:27,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:03:27,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:03:27,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4468a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27, skipping insertion in model container [2022-07-12 03:03:27,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:03:27,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:03:27,324 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_1072b.c[2110,2123] [2022-07-12 03:03:27,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:27,332 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:03:27,348 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_1072b.c[2110,2123] [2022-07-12 03:03:27,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:27,359 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:03:27,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27 WrapperNode [2022-07-12 03:03:27,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:27,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:27,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:03:27,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:03:27,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,400 INFO L137 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2022-07-12 03:03:27,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:27,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:03:27,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:03:27,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:03:27,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:03:27,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:03:27,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:03:27,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:03:27,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (1/1) ... [2022-07-12 03:03:27,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:27,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:03:27,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 03:03:27,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 03:03:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:03:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 03:03:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:03:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-12 03:03:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 03:03:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-12 03:03:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:03:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:03:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 03:03:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:03:27,549 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:03:27,550 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:03:27,784 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:03:27,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:03:27,790 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-07-12 03:03:27,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:27 BoogieIcfgContainer [2022-07-12 03:03:27,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:03:27,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:03:27,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:03:27,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:03:27,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:03:27" (1/3) ... [2022-07-12 03:03:27,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296df00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:27, skipping insertion in model container [2022-07-12 03:03:27,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:27" (2/3) ... [2022-07-12 03:03:27,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296df00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:27, skipping insertion in model container [2022-07-12 03:03:27,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:27" (3/3) ... [2022-07-12 03:03:27,810 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b.c [2022-07-12 03:03:27,832 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:03:27,832 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:03:27,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:03:27,907 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e7a6607, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3aa365fc [2022-07-12 03:03:27,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:03:27,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:27,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 03:03:27,916 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:27,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:27,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:27,921 INFO L85 PathProgramCache]: Analyzing trace with hash -333530559, now seen corresponding path program 1 times [2022-07-12 03:03:27,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:03:27,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440456641] [2022-07-12 03:03:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:27,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:03:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:28,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:03:28,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440456641] [2022-07-12 03:03:28,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440456641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:28,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:28,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:03:28,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441340590] [2022-07-12 03:03:28,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:28,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:03:28,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:03:28,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:03:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:28,103 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:28,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:28,116 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2022-07-12 03:03:28,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:03:28,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2022-07-12 03:03:28,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:28,128 INFO L225 Difference]: With dead ends: 62 [2022-07-12 03:03:28,128 INFO L226 Difference]: Without dead ends: 29 [2022-07-12 03:03:28,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:28,133 INFO L413 NwaCegarLoop]: 38 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, 38 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:28,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:03:28,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-07-12 03:03:28,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-07-12 03:03:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:28,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-07-12 03:03:28,162 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 12 [2022-07-12 03:03:28,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:28,162 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-07-12 03:03:28,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-07-12 03:03:28,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-12 03:03:28,164 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:28,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:28,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 03:03:28,165 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:28,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1704148932, now seen corresponding path program 1 times [2022-07-12 03:03:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:03:28,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814914598] [2022-07-12 03:03:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:03:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:28,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:03:28,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814914598] [2022-07-12 03:03:28,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814914598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:28,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:28,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 03:03:28,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488665222] [2022-07-12 03:03:28,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:28,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 03:03:28,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:03:28,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 03:03:28,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 03:03:28,263 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:28,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:28,310 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2022-07-12 03:03:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 03:03:28,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-07-12 03:03:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:28,314 INFO L225 Difference]: With dead ends: 60 [2022-07-12 03:03:28,315 INFO L226 Difference]: Without dead ends: 44 [2022-07-12 03:03:28,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 03:03:28,316 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 29 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:28,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 81 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:03:28,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-12 03:03:28,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2022-07-12 03:03:28,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-07-12 03:03:28,326 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 13 [2022-07-12 03:03:28,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:28,326 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-07-12 03:03:28,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:28,326 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-07-12 03:03:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-12 03:03:28,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:28,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:28,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 03:03:28,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:28,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1143899953, now seen corresponding path program 1 times [2022-07-12 03:03:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:03:28,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260964759] [2022-07-12 03:03:28,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:28,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:03:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:03:28,354 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 03:03:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:03:28,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 03:03:28,387 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 03:03:28,388 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:03:28,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 03:03:28,391 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-12 03:03:28,394 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:03:28,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:03:28 BoogieIcfgContainer [2022-07-12 03:03:28,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:03:28,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:03:28,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:03:28,412 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:03:28,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:27" (3/4) ... [2022-07-12 03:03:28,415 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 03:03:28,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:03:28,415 INFO L158 Benchmark]: Toolchain (without parser) took 1260.27ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 74.3MB in the beginning and 77.2MB in the end (delta: -2.9MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-07-12 03:03:28,416 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 61.8MB in the beginning and 61.7MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:03:28,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.44ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 80.2MB in the end (delta: -6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 03:03:28,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.23ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 77.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:03:28,417 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 107.0MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:03:28,417 INFO L158 Benchmark]: RCFGBuilder took 364.96ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 55.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-12 03:03:28,418 INFO L158 Benchmark]: TraceAbstraction took 617.60ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 55.0MB in the beginning and 77.2MB in the end (delta: -22.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-07-12 03:03:28,418 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:03:28,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 61.8MB in the beginning and 61.7MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.44ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 80.2MB in the end (delta: -6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.23ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 77.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 107.0MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.96ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 55.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 617.60ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 55.0MB in the beginning and 77.2MB in the end (delta: -22.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 88]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of bitwiseAnd at line 31. Possible FailurePath: [L83] double x = 0.0; [L84] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=0, x=0] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 VAL [\old(x)=0, lsw=2, msw=0, signbit=0, x=0] [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=0, exponent_less_1023=-1023, lsw=2, msw=0, signbit=0, x=0] [L32] COND TRUE exponent_less_1023 < 20 VAL [\old(x)=0, exponent_less_1023=-1023, lsw=2, msw=0, signbit=0, x=0] [L33] COND TRUE exponent_less_1023 < 0 VAL [\old(x)=0, exponent_less_1023=-1023, lsw=2, msw=0, signbit=0, x=0] [L35] ieee_double_shape_type iw_u; [L36] iw_u.parts.msw = (signbit) [L37] iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] (x) = iw_u.value [L61] return x; VAL [\old(x)=0, \result=4294967299, exponent_less_1023=-1023, lsw=2, msw=0, signbit=0, x=4294967299] [L84] RET, EXPR trunc_double(x) [L84] double res = trunc_double(x); [L87] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=4294967299, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L87] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L88] reach_error() VAL [res=4294967299, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 70 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-12 03:03:28,451 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_1072b.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 e7dcfadaf395f5e1f003958201bf3509e8bacbad38ee9464456c3349790c2dc9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:03:30,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:03:30,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:03:30,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:03:30,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:03:30,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:03:30,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:03:30,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:03:30,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:03:30,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:03:30,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:03:30,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:03:30,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:03:30,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:03:30,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:03:30,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:03:30,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:03:30,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:03:30,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:03:30,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:03:30,229 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:03:30,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:03:30,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:03:30,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:03:30,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:03:30,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:03:30,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:03:30,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:03:30,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:03:30,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:03:30,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:03:30,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:03:30,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:03:30,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:03:30,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:03:30,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:03:30,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:03:30,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:03:30,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:03:30,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:03:30,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:03:30,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:03:30,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 03:03:30,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:03:30,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:03:30,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:03:30,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:03:30,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:03:30,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:03:30,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:03:30,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:03:30,272 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:03:30,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:03:30,273 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:03:30,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:03:30,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:03:30,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:03:30,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:03:30,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:03:30,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 03:03:30,274 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 03:03:30,274 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 03:03:30,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:03:30,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:03:30,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:03:30,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:03:30,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:03:30,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:03:30,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:03:30,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:30,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:03:30,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:03:30,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:03:30,276 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 03:03:30,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 03:03:30,277 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:03:30,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:03:30,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:03:30,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 03:03:30,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7dcfadaf395f5e1f003958201bf3509e8bacbad38ee9464456c3349790c2dc9 [2022-07-12 03:03:30,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:03:30,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:03:30,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:03:30,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:03:30,532 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:03:30,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2022-07-12 03:03:30,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b5bf643/7ec6e8474eab40f384d1c6c18354d19e/FLAGaab5bd941 [2022-07-12 03:03:30,962 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:03:30,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072b.c [2022-07-12 03:03:30,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b5bf643/7ec6e8474eab40f384d1c6c18354d19e/FLAGaab5bd941 [2022-07-12 03:03:30,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b5bf643/7ec6e8474eab40f384d1c6c18354d19e [2022-07-12 03:03:30,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:03:30,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:03:30,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:30,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:03:30,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:03:30,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:30" (1/1) ... [2022-07-12 03:03:30,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4a8f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:30, skipping insertion in model container [2022-07-12 03:03:30,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:30" (1/1) ... [2022-07-12 03:03:30,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:03:31,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:03:31,196 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_1072b.c[2110,2123] [2022-07-12 03:03:31,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:31,206 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:03:31,246 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_1072b.c[2110,2123] [2022-07-12 03:03:31,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:31,269 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:03:31,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31 WrapperNode [2022-07-12 03:03:31,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:31,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:31,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:03:31,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:03:31,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,313 INFO L137 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-07-12 03:03:31,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:31,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:03:31,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:03:31,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:03:31,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:03:31,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:03:31,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:03:31,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:03:31,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (1/1) ... [2022-07-12 03:03:31,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:31,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:03:31,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 03:03:31,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 03:03:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:03:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-12 03:03:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-07-12 03:03:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 03:03:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:03:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 03:03:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:03:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:03:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 03:03:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:03:31,495 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:03:31,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:03:31,789 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:03:31,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:03:31,793 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-07-12 03:03:31,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:31 BoogieIcfgContainer [2022-07-12 03:03:31,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:03:31,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:03:31,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:03:31,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:03:31,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:03:30" (1/3) ... [2022-07-12 03:03:31,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0f0999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:31, skipping insertion in model container [2022-07-12 03:03:31,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:31" (2/3) ... [2022-07-12 03:03:31,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0f0999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:31, skipping insertion in model container [2022-07-12 03:03:31,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:31" (3/3) ... [2022-07-12 03:03:31,801 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072b.c [2022-07-12 03:03:31,816 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:03:31,816 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:03:31,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:03:31,852 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@755ef9ae, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@723990db [2022-07-12 03:03:31,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:03:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-12 03:03:31,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:31,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:31,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:31,866 INFO L85 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2022-07-12 03:03:31,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:31,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253443288] [2022-07-12 03:03:31,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:31,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:31,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:31,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:31,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 03:03:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:31,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 03:03:31,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:03:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:31,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:03:31,984 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:03:31,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253443288] [2022-07-12 03:03:31,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253443288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:31,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:31,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:03:31,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556881559] [2022-07-12 03:03:31,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:31,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:03:31,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:03:32,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:03:32,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:32,019 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:32,033 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2022-07-12 03:03:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:03:32,035 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-12 03:03:32,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:32,041 INFO L225 Difference]: With dead ends: 54 [2022-07-12 03:03:32,041 INFO L226 Difference]: Without dead ends: 25 [2022-07-12 03:03:32,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:32,048 INFO L413 NwaCegarLoop]: 32 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, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:32,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:03:32,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-07-12 03:03:32,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-07-12 03:03:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-07-12 03:03:32,073 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2022-07-12 03:03:32,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:32,074 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-07-12 03:03:32,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-07-12 03:03:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 03:03:32,075 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:32,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:32,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 03:03:32,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:03:32,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:32,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:32,295 INFO L85 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2022-07-12 03:03:32,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:32,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991196190] [2022-07-12 03:03:32,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:32,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:32,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:32,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:32,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 03:03:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:32,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-12 03:03:32,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:03:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:32,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:03:32,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:03:32,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991196190] [2022-07-12 03:03:32,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991196190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:32,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:32,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 03:03:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761061595] [2022-07-12 03:03:32,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:32,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 03:03:32,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:03:32,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 03:03:32,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 03:03:32,536 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:32,574 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-07-12 03:03:32,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 03:03:32,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-07-12 03:03:32,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:32,576 INFO L225 Difference]: With dead ends: 35 [2022-07-12 03:03:32,576 INFO L226 Difference]: Without dead ends: 21 [2022-07-12 03:03:32,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 03:03:32,578 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:32,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2022-07-12 03:03:32,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-07-12 03:03:32,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-07-12 03:03:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-07-12 03:03:32,587 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2022-07-12 03:03:32,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:32,587 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-07-12 03:03:32,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-07-12 03:03:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-12 03:03:32,588 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:32,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:32,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 03:03:32,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:03:32,795 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:32,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:32,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2089944352, now seen corresponding path program 1 times [2022-07-12 03:03:32,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:32,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46010246] [2022-07-12 03:03:32,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:32,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:32,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:32,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 03:03:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:32,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-12 03:03:32,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:03:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:32,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:03:32,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:03:32,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46010246] [2022-07-12 03:03:32,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46010246] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:32,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:32,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 03:03:32,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590074371] [2022-07-12 03:03:32,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:32,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 03:03:32,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:03:32,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 03:03:32,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 03:03:32,933 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:32,952 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2022-07-12 03:03:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 03:03:32,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2022-07-12 03:03:32,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:32,953 INFO L225 Difference]: With dead ends: 31 [2022-07-12 03:03:32,953 INFO L226 Difference]: Without dead ends: 19 [2022-07-12 03:03:32,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 03:03:32,954 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:32,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 53 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2022-07-12 03:03:32,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-07-12 03:03:32,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-07-12 03:03:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-07-12 03:03:32,957 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2022-07-12 03:03:32,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:32,957 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-07-12 03:03:32,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-07-12 03:03:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-12 03:03:32,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:32,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:32,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 03:03:33,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:03:33,160 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:33,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2022-07-12 03:03:33,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:33,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924392214] [2022-07-12 03:03:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:33,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:33,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:33,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:33,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 03:03:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:33,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-12 03:03:33,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:03:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:33,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:03:33,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:03:33,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924392214] [2022-07-12 03:03:33,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924392214] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:33,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:33,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 03:03:33,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977966210] [2022-07-12 03:03:33,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:33,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 03:03:33,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:03:33,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 03:03:33,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 03:03:33,317 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:33,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:33,331 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2022-07-12 03:03:33,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 03:03:33,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2022-07-12 03:03:33,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:33,332 INFO L225 Difference]: With dead ends: 22 [2022-07-12 03:03:33,332 INFO L226 Difference]: Without dead ends: 19 [2022-07-12 03:03:33,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 03:03:33,333 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:33,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2022-07-12 03:03:33,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-07-12 03:03:33,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-07-12 03:03:33,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2022-07-12 03:03:33,337 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2022-07-12 03:03:33,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:33,338 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2022-07-12 03:03:33,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2022-07-12 03:03:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-12 03:03:33,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:33,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:33,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 03:03:33,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:03:33,549 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:33,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1192312195, now seen corresponding path program 1 times [2022-07-12 03:03:33,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:33,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189082432] [2022-07-12 03:03:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:33,551 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:33,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:33,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:33,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 03:03:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:33,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 26 conjunts are in the unsatisfiable core [2022-07-12 03:03:33,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:03:33,684 INFO L390 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 15 treesize of output 16 [2022-07-12 03:03:33,780 INFO L356 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2022-07-12 03:03:33,780 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2022-07-12 03:03:33,981 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-12 03:03:33,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 31 [2022-07-12 03:03:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:34,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:03:34,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:03:34,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189082432] [2022-07-12 03:03:34,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189082432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:34,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:34,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 03:03:34,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337233394] [2022-07-12 03:03:34,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:34,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 03:03:34,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:03:34,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 03:03:34,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 03:03:34,109 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:34,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:34,167 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2022-07-12 03:03:34,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 03:03:34,167 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-07-12 03:03:34,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:34,167 INFO L225 Difference]: With dead ends: 19 [2022-07-12 03:03:34,168 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 03:03:34,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-12 03:03:34,168 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:03:34,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 58 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 31 Unchecked, 0.0s Time] [2022-07-12 03:03:34,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 03:03:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 03:03:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 03:03:34,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-07-12 03:03:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:34,169 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 03:03:34,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:03:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 03:03:34,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 03:03:34,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:03:34,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 03:03:34,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:03:34,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 03:03:34,417 INFO L895 garLoopResultBuilder]: At program point L73(lines 64 74) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short12#1| (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|)) [2022-07-12 03:03:34,417 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 60) no Hoare annotation was computed. [2022-07-12 03:03:34,417 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 03:03:34,417 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 03:03:34,417 INFO L895 garLoopResultBuilder]: At program point L61(lines 19 62) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8|))) (let ((.cse1 (select .cse2 (_ bv4 32))) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)))) (and (= (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_trunc_double_#res#1|) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) .cse3) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= .cse1 (bvand .cse3 (_ bv2147483648 32))))))) (exists ((|ULTIMATE.start_trunc_double_~msw~0#1| (_ BitVec 32))) (= (let ((.cse4 (concat (bvand |ULTIMATE.start_trunc_double_~msw~0#1| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_trunc_double_#res#1|))) [2022-07-12 03:03:34,418 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 03:03:34,418 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2022-07-12 03:03:34,418 INFO L899 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2022-07-12 03:03:34,418 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start_trunc_double_~x#1|) [2022-07-12 03:03:34,418 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2022-07-12 03:03:34,418 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2022-07-12 03:03:34,418 INFO L899 garLoopResultBuilder]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2022-07-12 03:03:34,418 INFO L895 garLoopResultBuilder]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2022-07-12 03:03:34,421 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 48) no Hoare annotation was computed. [2022-07-12 03:03:34,421 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 03:03:34,421 INFO L899 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2022-07-12 03:03:34,421 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2022-07-12 03:03:34,421 INFO L899 garLoopResultBuilder]: For program point L87-2(lines 87 90) no Hoare annotation was computed. [2022-07-12 03:03:34,421 INFO L895 garLoopResultBuilder]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2022-07-12 03:03:34,422 INFO L899 garLoopResultBuilder]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2022-07-12 03:03:34,422 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 52) no Hoare annotation was computed. [2022-07-12 03:03:34,422 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2022-07-12 03:03:34,422 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2022-07-12 03:03:34,422 INFO L895 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short12#1| (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8|))) (let ((.cse1 (select .cse2 (_ bv4 32))) (.cse3 (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)))) (and (= (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start___signbit_double_~x#1|) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) .cse3) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (= .cse1 (bvand .cse3 (_ bv2147483648 32)))))))) [2022-07-12 03:03:34,422 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|) (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) .cse0) (= |ULTIMATE.start_trunc_double_~signbit~0#1| (bvand .cse0 (_ bv2147483648 32))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|)))))) [2022-07-12 03:03:34,422 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2022-07-12 03:03:34,422 INFO L902 garLoopResultBuilder]: At program point L92(lines 76 93) the Hoare annotation is: true [2022-07-12 03:03:34,422 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-12 03:03:34,424 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-12 03:03:34,426 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:03:34,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,448 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,456 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,457 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,458 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,459 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,460 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:03:34 BoogieIcfgContainer [2022-07-12 03:03:34,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:03:34,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:03:34,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:03:34,462 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:03:34,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:31" (3/4) ... [2022-07-12 03:03:34,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 03:03:34,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-07-12 03:03:34,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-07-12 03:03:34,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 03:03:34,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 03:03:34,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: (v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] && signbit == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) [2022-07-12 03:03:34,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0]) == \result && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) && (\exists ULTIMATE.start_trunc_double_~msw~0#1 : bv32 :: ~fp~LONGDOUBLE((~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[51:0]) == \result) [2022-07-12 03:03:34,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: aux-res == 0.0 && __signbit_double(res) == 0-aux && (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0]) == x && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) [2022-07-12 03:03:34,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: aux-res == 0.0 && __signbit_double(res) == 0-aux && 0bv32 == \result [2022-07-12 03:03:34,501 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 03:03:34,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:03:34,502 INFO L158 Benchmark]: Toolchain (without parser) took 3516.24ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 43.5MB in the beginning and 52.2MB in the end (delta: -8.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-07-12 03:03:34,502 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:03:34,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.71ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 44.7MB in the end (delta: -1.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 03:03:34,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.23ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 42.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:03:34,503 INFO L158 Benchmark]: Boogie Preprocessor took 38.87ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 41.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:03:34,503 INFO L158 Benchmark]: RCFGBuilder took 440.72ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 61.6MB in the end (delta: -20.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-07-12 03:03:34,503 INFO L158 Benchmark]: TraceAbstraction took 2664.98ms. Allocated memory is still 79.7MB. Free memory was 61.3MB in the beginning and 55.4MB in the end (delta: 5.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-07-12 03:03:34,504 INFO L158 Benchmark]: Witness Printer took 40.06ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 52.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 03:03:34,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.71ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 44.7MB in the end (delta: -1.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.23ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 42.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.87ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 41.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.72ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 61.6MB in the end (delta: -20.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2664.98ms. Allocated memory is still 79.7MB. Free memory was 61.3MB in the beginning and 55.4MB in the end (delta: 5.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Witness Printer took 40.06ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 52.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 88]: 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 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 56 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 206 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 25 QuantifiedInterpolants, 835 SizeOfPredicates, 32 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 19]: Loop Invariant [2022-07-12 03:03:34,517 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] [2022-07-12 03:03:34,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_double_~msw~0#1,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0]) == \result && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) && (\exists ULTIMATE.start_trunc_double_~msw~0#1 : bv32 :: ~fp~LONGDOUBLE((~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand32(ULTIMATE.start_trunc_double_~msw~0#1, 2147483648bv32) ++ 0bv32)[51:0]) == \result) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: aux-res == 0.0 && __signbit_double(res) == 0-aux && 0bv32 == \result - InvariantResult [Line: 67]: Loop Invariant [2022-07-12 03:03:34,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,525 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8,QUANTIFIED] [2022-07-12 03:03:34,526 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] Derived loop invariant: aux-res == 0.0 && __signbit_double(res) == 0-aux && (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8 : bv32, v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: ((~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][0bv32])[51:0]) == x && v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32]) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_8][4bv32] == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) - InvariantResult [Line: 34]: Loop Invariant [2022-07-12 03:03:34,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,527 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2022-07-12 03:03:34,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2022-07-12 03:03:34,528 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_12 : bv64, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32 :: (v_skolemized_q#valueAsBitvector_12[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] && signbit == ~bvand32(unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32], 2147483648bv32)) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-12 03:03:34,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE