./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:46:49,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:46:49,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:46:49,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:46:49,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:46:49,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:46:49,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:46:49,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:46:49,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:46:49,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:46:49,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:46:49,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:46:49,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:46:49,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:46:49,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:46:49,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:46:49,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:46:49,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:46:49,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:46:49,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:46:49,492 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:46:49,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:46:49,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:46:49,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:46:49,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:46:49,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:46:49,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:46:49,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:46:49,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:46:49,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:46:49,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:46:49,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:46:49,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:46:49,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:46:49,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:46:49,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:46:49,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:46:49,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:46:49,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:46:49,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:46:49,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:46:49,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:46:49,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:46:49,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:46:49,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:46:49,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:46:49,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:46:49,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:46:49,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:46:49,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:46:49,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:46:49,555 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:46:49,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:46:49,556 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:46:49,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:46:49,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:46:49,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:46:49,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:46:49,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:46:49,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:46:49,557 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:46:49,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:46:49,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:46:49,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:46:49,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:46:49,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:46:49,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:46:49,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:46:49,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:46:49,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:46:49,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:46:49,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:46:49,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:46:49,561 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:46:49,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:46:49,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:46:49,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2022-07-13 14:46:49,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:46:49,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:46:49,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:46:49,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:46:49,830 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:46:49,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2022-07-13 14:46:49,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c81a6bb0e/b4a5796f47274e80bfacb3bbd3745ae5/FLAG8fa46d073 [2022-07-13 14:46:50,332 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:46:50,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2022-07-13 14:46:50,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c81a6bb0e/b4a5796f47274e80bfacb3bbd3745ae5/FLAG8fa46d073 [2022-07-13 14:46:50,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c81a6bb0e/b4a5796f47274e80bfacb3bbd3745ae5 [2022-07-13 14:46:50,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:46:50,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:46:50,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:46:50,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:46:50,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:46:50,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:50,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5939c72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50, skipping insertion in model container [2022-07-13 14:46:50,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:50,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:46:50,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:46:50,932 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_1131b.c[4119,4132] [2022-07-13 14:46:50,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:46:50,940 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:46:50,985 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_1131b.c[4119,4132] [2022-07-13 14:46:50,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:46:50,998 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:46:50,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50 WrapperNode [2022-07-13 14:46:50,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:46:51,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:46:51,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:46:51,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:46:51,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,061 INFO L137 Inliner]: procedures = 18, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 319 [2022-07-13 14:46:51,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:46:51,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:46:51,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:46:51,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:46:51,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:46:51,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:46:51,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:46:51,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:46:51,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (1/1) ... [2022-07-13 14:46:51,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:46:51,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:46:51,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 14:46:51,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 14:46:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:46:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 14:46:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 14:46:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 14:46:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-13 14:46:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-13 14:46:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:46:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:46:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 14:46:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-13 14:46:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 14:46:51,327 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:46:51,339 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:46:51,750 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:46:51,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:46:51,757 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-13 14:46:51,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:46:51 BoogieIcfgContainer [2022-07-13 14:46:51,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:46:51,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:46:51,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:46:51,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:46:51,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:46:50" (1/3) ... [2022-07-13 14:46:51,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@feb99f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:46:51, skipping insertion in model container [2022-07-13 14:46:51,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:50" (2/3) ... [2022-07-13 14:46:51,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@feb99f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:46:51, skipping insertion in model container [2022-07-13 14:46:51,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:46:51" (3/3) ... [2022-07-13 14:46:51,767 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2022-07-13 14:46:51,776 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:46:51,776 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:46:51,858 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:46:51,870 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@2e762344, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6ed61579 [2022-07-13 14:46:51,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:46:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 90 states have (on average 1.8222222222222222) internal successors, (164), 91 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:46:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-13 14:46:51,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:46:51,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:46:51,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:46:51,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:46:51,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1228354396, now seen corresponding path program 1 times [2022-07-13 14:46:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:46:51,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985320184] [2022-07-13 14:46:51,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:46:51,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:46:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:46:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:46:52,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 14:46:52,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985320184] [2022-07-13 14:46:52,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985320184] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:46:52,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:46:52,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:46:52,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379882768] [2022-07-13 14:46:52,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:46:52,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:46:52,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 14:46:52,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:46:52,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:46:52,077 INFO L87 Difference]: Start difference. First operand has 92 states, 90 states have (on average 1.8222222222222222) internal successors, (164), 91 states have internal predecessors, (164), 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 7.0) internal successors, (14), 2 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) [2022-07-13 14:46:52,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:46:52,115 INFO L93 Difference]: Finished difference Result 182 states and 326 transitions. [2022-07-13 14:46:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:46:52,117 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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 [2022-07-13 14:46:52,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:46:52,127 INFO L225 Difference]: With dead ends: 182 [2022-07-13 14:46:52,128 INFO L226 Difference]: Without dead ends: 88 [2022-07-13 14:46:52,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:46:52,134 INFO L413 NwaCegarLoop]: 139 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, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:46:52,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:46:52,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-13 14:46:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-13 14:46:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.5402298850574712) internal successors, (134), 87 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:46:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2022-07-13 14:46:52,186 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 14 [2022-07-13 14:46:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:46:52,187 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2022-07-13 14:46:52,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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) [2022-07-13 14:46:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2022-07-13 14:46:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-13 14:46:52,188 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:46:52,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:46:52,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 14:46:52,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:46:52,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:46:52,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1196316516, now seen corresponding path program 1 times [2022-07-13 14:46:52,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:46:52,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617404916] [2022-07-13 14:46:52,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:46:52,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:46:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:46:52,417 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 14:46:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:46:52,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 14:46:52,557 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 14:46:52,558 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:46:52,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 14:46:52,566 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 14:46:52,569 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:46:52,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:46:52 BoogieIcfgContainer [2022-07-13 14:46:52,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:46:52,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:46:52,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:46:52,614 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:46:52,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:46:51" (3/4) ... [2022-07-13 14:46:52,618 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 14:46:52,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:46:52,619 INFO L158 Benchmark]: Toolchain (without parser) took 1911.79ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 57.1MB in the beginning and 51.1MB in the end (delta: 5.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2022-07-13 14:46:52,620 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:46:52,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.30ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 87.1MB in the end (delta: -30.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-07-13 14:46:52,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.40ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 82.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 14:46:52,625 INFO L158 Benchmark]: Boogie Preprocessor took 62.77ms. Allocated memory is still 115.3MB. Free memory was 82.4MB in the beginning and 78.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 14:46:52,626 INFO L158 Benchmark]: RCFGBuilder took 632.49ms. Allocated memory is still 115.3MB. Free memory was 78.7MB in the beginning and 47.2MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-07-13 14:46:52,626 INFO L158 Benchmark]: TraceAbstraction took 851.33ms. Allocated memory is still 115.3MB. Free memory was 46.7MB in the beginning and 51.7MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:46:52,627 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 115.3MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:46:52,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.30ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 87.1MB in the end (delta: -30.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.40ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 82.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.77ms. Allocated memory is still 115.3MB. Free memory was 82.4MB in the beginning and 78.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 632.49ms. Allocated memory is still 115.3MB. Free memory was 78.7MB in the beginning and 47.2MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 851.33ms. Allocated memory is still 115.3MB. Free memory was 46.7MB in the beginning and 51.7MB in the end (delta: -4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 115.3MB. Free memory is still 51.1MB. 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: 188]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 43, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 187, overapproximation of bitwiseXOr at line 39. Possible FailurePath: [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L179] double y = -1.0 / 0.0; [L180] double x = __VERIFIER_nondet_double(); [L182] CALL isfinite_double(x) [L163] __int32_t hx; VAL [\old(x)=4294967310, one_fmod=1, x=4294967310, Zero_fmod={4:0}] [L165] ieee_double_shape_type gh_u; [L166] gh_u.value = (x) [L167] EXPR gh_u.parts.msw [L167] (hx) = gh_u.parts.msw [L169] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=4294967310, \result=1, hx=9, one_fmod=1, x=4294967310, Zero_fmod={4:0}] [L182] RET isfinite_double(x) [L182] COND TRUE isfinite_double(x) [L184] CALL, EXPR fmod_double(x, y) [L23] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L24] __uint32_t lx, ly, lz; VAL [\old(x)=4294967310, \old(y)=4294967308, one_fmod=1, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (hx) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lx) = ew_u.parts.lsw [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (y) [L35] EXPR ew_u.parts.msw [L35] (hy) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (ly) = ew_u.parts.lsw [L38] sx = hx & 0x80000000 VAL [\old(x)=4294967310, \old(y)=4294967308, hx=0, hy=-2, lx=4294967311, ly=-1, one_fmod=1, sx=0, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L39] hx ^= sx [L40] hy &= 0x7fffffff VAL [\old(x)=4294967310, \old(y)=4294967308, hx=0, hy=-1, lx=4294967311, ly=-1, one_fmod=1, sx=0, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L42-L43] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L44] return (x * y) / (x * y); VAL [\old(x)=4294967310, \old(y)=4294967308, hx=0, hy=-1, lx=4294967311, ly=-1, one_fmod=1, sx=0, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L184] RET, EXPR fmod_double(x, y) [L184] double res = fmod_double(x, y); [L187] COND TRUE res != x VAL [one_fmod=1, res=4294967307, x=4294967310, y=4294967308, Zero_fmod={4:0}] [L188] reach_error() VAL [one_fmod=1, res=4294967307, x=4294967310, y=4294967308, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 139 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-13 14:46:52,695 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_1131b.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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:46:54,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:46:54,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:46:54,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:46:54,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:46:54,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:46:54,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:46:54,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:46:54,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:46:54,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:46:54,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:46:54,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:46:54,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:46:54,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:46:54,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:46:54,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:46:54,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:46:54,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:46:54,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:46:54,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:46:54,651 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:46:54,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:46:54,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:46:54,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:46:54,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:46:54,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:46:54,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:46:54,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:46:54,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:46:54,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:46:54,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:46:54,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:46:54,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:46:54,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:46:54,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:46:54,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:46:54,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:46:54,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:46:54,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:46:54,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:46:54,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:46:54,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:46:54,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:46:54,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:46:54,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:46:54,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:46:54,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:46:54,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:46:54,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:46:54,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:46:54,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:46:54,714 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:46:54,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:46:54,715 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:46:54,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:46:54,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:46:54,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:46:54,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:46:54,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:46:54,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:46:54,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:46:54,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:46:54,717 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:46:54,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:46:54,717 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:46:54,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:46:54,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:46:54,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:46:54,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:46:54,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:46:54,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:46:54,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:46:54,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:46:54,720 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:46:54,720 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:46:54,720 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:46:54,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:46:54,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:46:54,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:46:54,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2022-07-13 14:46:55,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:46:55,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:46:55,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:46:55,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:46:55,079 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:46:55,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2022-07-13 14:46:55,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f906be699/f1eaf11d16ce42678dbd719a4a8c5f44/FLAG2e242dfbb [2022-07-13 14:46:55,533 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:46:55,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2022-07-13 14:46:55,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f906be699/f1eaf11d16ce42678dbd719a4a8c5f44/FLAG2e242dfbb [2022-07-13 14:46:55,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f906be699/f1eaf11d16ce42678dbd719a4a8c5f44 [2022-07-13 14:46:55,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:46:55,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:46:55,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:46:55,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:46:55,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:46:55,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:46:55" (1/1) ... [2022-07-13 14:46:55,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca54dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:55, skipping insertion in model container [2022-07-13 14:46:55,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:46:55" (1/1) ... [2022-07-13 14:46:55,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:46:55,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:46:56,179 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_1131b.c[4119,4132] [2022-07-13 14:46:56,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:46:56,199 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:46:56,263 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_1131b.c[4119,4132] [2022-07-13 14:46:56,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:46:56,282 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:46:56,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56 WrapperNode [2022-07-13 14:46:56,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:46:56,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:46:56,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:46:56,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:46:56,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,339 INFO L137 Inliner]: procedures = 21, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 237 [2022-07-13 14:46:56,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:46:56,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:46:56,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:46:56,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:46:56,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:46:56,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:46:56,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:46:56,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:46:56,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (1/1) ... [2022-07-13 14:46:56,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:46:56,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:46:56,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 14:46:56,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 14:46:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:46:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-13 14:46:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-07-13 14:46:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 14:46:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 14:46:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-07-13 14:46:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 14:46:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:46:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:46:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 14:46:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 14:46:56,572 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:46:56,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:47:01,848 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:47:01,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:47:01,854 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-13 14:47:01,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:47:01 BoogieIcfgContainer [2022-07-13 14:47:01,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:47:01,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:47:01,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:47:01,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:47:01,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:46:55" (1/3) ... [2022-07-13 14:47:01,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc704b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:47:01, skipping insertion in model container [2022-07-13 14:47:01,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:46:56" (2/3) ... [2022-07-13 14:47:01,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc704b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:47:01, skipping insertion in model container [2022-07-13 14:47:01,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:47:01" (3/3) ... [2022-07-13 14:47:01,867 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2022-07-13 14:47:01,880 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:47:01,880 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:47:01,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:47:01,935 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@784218d3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7c27716a [2022-07-13 14:47:01,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:47:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:01,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-13 14:47:01,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:47:01,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:47:01,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:47:01,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:47:01,953 INFO L85 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2022-07-13 14:47:01,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:47:01,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652462330] [2022-07-13 14:47:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:47:01,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:47:01,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:47:01,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:47:01,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 14:47:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:47:02,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-13 14:47:02,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:47:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:47:02,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:47:02,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:47:02,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1652462330] [2022-07-13 14:47:02,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1652462330] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:47:02,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:47:02,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:47:02,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833904329] [2022-07-13 14:47:02,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:47:02,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:47:02,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:47:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:47:02,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:47:02,872 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 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 6.5) internal successors, (13), 2 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) [2022-07-13 14:47:02,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:47:02,889 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2022-07-13 14:47:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:47:02,891 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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 [2022-07-13 14:47:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:47:02,897 INFO L225 Difference]: With dead ends: 118 [2022-07-13 14:47:02,897 INFO L226 Difference]: Without dead ends: 56 [2022-07-13 14:47:02,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:47:02,902 INFO L413 NwaCegarLoop]: 87 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, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:47:02,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:47:02,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-07-13 14:47:02,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-07-13 14:47:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.490909090909091) internal successors, (82), 55 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2022-07-13 14:47:02,931 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2022-07-13 14:47:02,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:47:02,931 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2022-07-13 14:47:02,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2022-07-13 14:47:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2022-07-13 14:47:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-13 14:47:02,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:47:02,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:47:02,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-13 14:47:03,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:47:03,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:47:03,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:47:03,136 INFO L85 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2022-07-13 14:47:03,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:47:03,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199319621] [2022-07-13 14:47:03,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:47:03,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:47:03,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:47:03,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:47:03,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 14:47:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:47:04,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2022-07-13 14:47:04,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:47:04,339 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 [2022-07-13 14:47:06,218 INFO L356 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-07-13 14:47:06,219 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 38 treesize of output 37 [2022-07-13 14:47:07,169 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-13 14:47:07,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2022-07-13 14:47:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:47:10,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:47:10,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:47:10,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199319621] [2022-07-13 14:47:10,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199319621] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:47:10,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:47:10,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 14:47:10,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346461260] [2022-07-13 14:47:10,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:47:10,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 14:47:10,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:47:10,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 14:47:10,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-13 14:47:10,805 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:10,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:47:10,843 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2022-07-13 14:47:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 14:47:10,844 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2022-07-13 14:47:10,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:47:10,846 INFO L225 Difference]: With dead ends: 60 [2022-07-13 14:47:10,847 INFO L226 Difference]: Without dead ends: 56 [2022-07-13 14:47:10,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-13 14:47:10,848 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 149 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:47:10,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 512 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 149 Unchecked, 0.0s Time] [2022-07-13 14:47:10,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-07-13 14:47:10,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-07-13 14:47:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2022-07-13 14:47:10,863 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 16 [2022-07-13 14:47:10,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:47:10,863 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2022-07-13 14:47:10,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2022-07-13 14:47:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-13 14:47:10,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:47:10,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:47:10,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 14:47:11,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:47:11,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:47:11,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:47:11,080 INFO L85 PathProgramCache]: Analyzing trace with hash 467286736, now seen corresponding path program 1 times [2022-07-13 14:47:11,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:47:11,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976157255] [2022-07-13 14:47:11,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:47:11,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:47:11,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:47:11,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:47:11,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-13 14:47:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:47:11,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-13 14:47:11,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:47:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:47:13,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:47:13,678 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:47:13,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976157255] [2022-07-13 14:47:13,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976157255] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:47:13,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:47:13,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 14:47:13,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711965363] [2022-07-13 14:47:13,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:47:13,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 14:47:13,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:47:13,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 14:47:13,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 14:47:13,682 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2022-07-13 14:47:15,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:47:15,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:47:15,698 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2022-07-13 14:47:15,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 14:47:15,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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 [2022-07-13 14:47:15,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:47:15,702 INFO L225 Difference]: With dead ends: 62 [2022-07-13 14:47:15,702 INFO L226 Difference]: Without dead ends: 58 [2022-07-13 14:47:15,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 14:47:15,704 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 58 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:47:15,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 511 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 23 Unchecked, 2.0s Time] [2022-07-13 14:47:15,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-07-13 14:47:15,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2022-07-13 14:47:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 55 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2022-07-13 14:47:15,711 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 18 [2022-07-13 14:47:15,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:47:15,712 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2022-07-13 14:47:15,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2022-07-13 14:47:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2022-07-13 14:47:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-13 14:47:15,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:47:15,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:47:15,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-13 14:47:15,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:47:15,925 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:47:15,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:47:15,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1596694380, now seen corresponding path program 1 times [2022-07-13 14:47:15,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:47:15,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249134449] [2022-07-13 14:47:15,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:47:15,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:47:15,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:47:15,927 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:47:15,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-13 14:47:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:47:16,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-13 14:47:16,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:47:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:47:17,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:47:17,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:47:17,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249134449] [2022-07-13 14:47:17,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249134449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:47:17,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:47:17,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 14:47:17,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864344246] [2022-07-13 14:47:17,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:47:17,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 14:47:17,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:47:17,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 14:47:17,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-13 14:47:17,376 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2022-07-13 14:47:17,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:47:17,386 INFO L93 Difference]: Finished difference Result 96 states and 142 transitions. [2022-07-13 14:47:17,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 14:47:17,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 19 [2022-07-13 14:47:17,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:47:17,387 INFO L225 Difference]: With dead ends: 96 [2022-07-13 14:47:17,387 INFO L226 Difference]: Without dead ends: 54 [2022-07-13 14:47:17,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-13 14:47:17,389 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:47:17,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 45 Unchecked, 0.0s Time] [2022-07-13 14:47:17,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-13 14:47:17,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-13 14:47:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:17,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 76 transitions. [2022-07-13 14:47:17,401 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 76 transitions. Word has length 19 [2022-07-13 14:47:17,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:47:17,402 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 76 transitions. [2022-07-13 14:47:17,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2022-07-13 14:47:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-13 14:47:17,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:47:17,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:47:17,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-13 14:47:17,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:47:17,608 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:47:17,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:47:17,609 INFO L85 PathProgramCache]: Analyzing trace with hash 690157958, now seen corresponding path program 1 times [2022-07-13 14:47:17,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:47:17,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656533597] [2022-07-13 14:47:17,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:47:17,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:47:17,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:47:17,614 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:47:17,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-13 14:47:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:47:17,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-13 14:47:17,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:47:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:47:19,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:47:19,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:47:19,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656533597] [2022-07-13 14:47:19,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656533597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:47:19,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:47:19,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 14:47:19,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781394910] [2022-07-13 14:47:19,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:47:19,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 14:47:19,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:47:19,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 14:47:19,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-13 14:47:19,033 INFO L87 Difference]: Start difference. First operand 54 states and 76 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:47:19,036 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2022-07-13 14:47:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 14:47:19,037 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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 27 [2022-07-13 14:47:19,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:47:19,037 INFO L225 Difference]: With dead ends: 54 [2022-07-13 14:47:19,037 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 14:47:19,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-13 14:47:19,038 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:47:19,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-07-13 14:47:19,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 14:47:19,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 14:47:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 14:47:19,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-07-13 14:47:19,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:47:19,040 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 14:47:19,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:47:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 14:47:19,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 14:47:19,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:47:19,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-13 14:47:19,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:47:19,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 14:47:20,139 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 156) no Hoare annotation was computed. [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 139 158) no Hoare annotation was computed. [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 151 156) no Hoare annotation was computed. [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point L52(lines 22 160) no Hoare annotation was computed. [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point L119-1(lines 22 160) no Hoare annotation was computed. [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 59) no Hoare annotation was computed. [2022-07-13 14:47:20,140 INFO L895 garLoopResultBuilder]: At program point L169(lines 162 170) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~y~0#1|)) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6|) (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0) (= |ULTIMATE.start_main_~x~0#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) .cse0)) (_ bv31 32)) |ULTIMATE.start_isfinite_double_#res#1|))))) [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2022-07-13 14:47:20,140 INFO L899 garLoopResultBuilder]: For program point L103-2(lines 100 114) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L895 garLoopResultBuilder]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 190) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L895 garLoopResultBuilder]: At program point L105-1(lines 100 114) the Hoare annotation is: false [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 96) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L90-2(lines 86 97) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 150) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 44) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L899 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2022-07-13 14:47:20,141 INFO L895 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6|) (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0) (not (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) .cse0)) (_ bv31 32)) (_ bv0 32))) (= |ULTIMATE.start_fmod_double_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 110) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L895 garLoopResultBuilder]: At program point L159(lines 22 160) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_#res#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) |ULTIMATE.start_main_~x~0#1|) (not (= (bvlshr (bvadd (_ bv2148532224 32) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|))) (_ bv31 32)) (_ bv0 32)))))) [2022-07-13 14:47:20,142 INFO L895 garLoopResultBuilder]: At program point L126-2(lines 126 130) the Hoare annotation is: false [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L126-3(lines 22 160) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L902 garLoopResultBuilder]: At program point L193(lines 172 194) the Hoare annotation is: true [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 150) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 84) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 50) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 22 160) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L45-2(lines 22 160) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L63(lines 22 160) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 70) no Hoare annotation was computed. [2022-07-13 14:47:20,142 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L164-1(lines 164 168) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 158) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L895 garLoopResultBuilder]: At program point L164-2(lines 164 168) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_main_~y~0#1|))) [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L164-3(lines 164 168) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 37) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L32-1(lines 22 160) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L65-2(lines 65 66) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L895 garLoopResultBuilder]: At program point L65-3(lines 65 66) the Hoare annotation is: false [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 191) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L182-2(lines 182 191) no Hoare annotation was computed. [2022-07-13 14:47:20,143 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 133 138) no Hoare annotation was computed. [2022-07-13 14:47:20,144 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 100 114) no Hoare annotation was computed. [2022-07-13 14:47:20,144 INFO L895 garLoopResultBuilder]: At program point L133-2(lines 133 138) the Hoare annotation is: false [2022-07-13 14:47:20,144 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 100 114) no Hoare annotation was computed. [2022-07-13 14:47:20,144 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-07-13 14:47:20,144 INFO L899 garLoopResultBuilder]: For program point L117-2(lines 22 160) no Hoare annotation was computed. [2022-07-13 14:47:20,144 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2022-07-13 14:47:20,147 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-13 14:47:20,151 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:47:20,155 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,156 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,157 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,162 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,162 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,162 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,163 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,163 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,163 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,163 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,163 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,164 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,171 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,171 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,171 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,172 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,172 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,172 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,172 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,172 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,175 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,179 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,179 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,179 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:47:20 BoogieIcfgContainer [2022-07-13 14:47:20,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:47:20,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:47:20,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:47:20,182 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:47:20,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:47:01" (3/4) ... [2022-07-13 14:47:20,185 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 14:47:20,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-07-13 14:47:20,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-13 14:47:20,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 14:47:20,200 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 14:47:20,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == x && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) [2022-07-13 14:47:20,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32] && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32])), 31bv32) == \result) [2022-07-13 14:47:20,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == x && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32] && !(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32])), 31bv32) == 0bv32)) && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) [2022-07-13 14:47:20,235 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 14:47:20,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:47:20,235 INFO L158 Benchmark]: Toolchain (without parser) took 24295.55ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 45.8MB in the end (delta: -6.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-07-13 14:47:20,236 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 38.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:47:20,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.90ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 40.3MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 14:47:20,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.38ms. Allocated memory is still 60.8MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:47:20,237 INFO L158 Benchmark]: Boogie Preprocessor took 62.87ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 35.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:47:20,237 INFO L158 Benchmark]: RCFGBuilder took 5451.92ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 35.8MB in the beginning and 45.4MB in the end (delta: -9.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-07-13 14:47:20,237 INFO L158 Benchmark]: TraceAbstraction took 18323.05ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 48.4MB in the end (delta: -3.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-07-13 14:47:20,238 INFO L158 Benchmark]: Witness Printer took 53.87ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 45.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 14:47:20,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 38.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.90ms. Allocated memory is still 60.8MB. Free memory was 39.0MB in the beginning and 40.3MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.38ms. Allocated memory is still 60.8MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.87ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 35.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5451.92ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 35.8MB in the beginning and 45.4MB in the end (delta: -9.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 18323.05ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 48.4MB in the end (delta: -3.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 53.87ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 45.8MB in the end (delta: 2.6MB). 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,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: 188]: 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, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 1495 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 222 IncrementalHoareTripleChecker+Unchecked, 1181 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 314 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 138 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 88 ConstructedInterpolants, 50 QuantifiedInterpolants, 1311 SizeOfPredicates, 42 NumberOfNonLiveVariables, 429 ConjunctsInSsa, 73 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: 162]: Loop Invariant [2022-07-13 14:47:20,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32] && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) && ~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32])), 31bv32) == \result) - InvariantResult [Line: 164]: Loop Invariant [2022-07-13 14:47:20,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: x == x && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant [2022-07-13 14:47:20,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6,QUANTIFIED] [2022-07-13 14:47:20,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-13 14:47:20,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-13 14:47:20,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (x == x && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6 : bv32 :: (v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32] && !(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_6][4bv32])), 31bv32) == 0bv32)) && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant [2022-07-13 14:47:20,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] [2022-07-13 14:47:20,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED] Derived loop invariant: \result == x && (\exists v_skolemized_q#valueAsBitvector_21 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == x && !(~bvlshr32(~bvadd64(2148532224bv32, ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_21[63:32])), 31bv32) == 0bv32)) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-13 14:47:20,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE