./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1011a.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 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:47:22,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:47:22,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:47:22,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:47:22,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:47:22,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:47:22,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:47:22,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:47:22,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:47:22,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:47:22,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:47:22,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:47:22,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:47:22,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:47:22,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:47:22,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:47:22,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:47:22,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:47:22,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:47:22,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:47:22,071 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:47:22,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:47:22,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:47:22,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:47:22,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:47:22,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:47:22,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:47:22,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:47:22,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:47:22,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:47:22,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:47:22,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:47:22,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:47:22,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:47:22,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:47:22,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:47:22,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:47:22,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:47:22,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:47:22,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:47:22,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:47:22,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:47:22,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:47:22,137 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:47:22,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:47:22,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:47:22,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:47:22,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:47:22,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:47:22,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:47:22,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:47:22,140 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:47:22,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:47:22,140 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:47:22,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:47:22,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:47:22,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:47:22,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:47:22,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:47:22,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:47:22,142 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:47:22,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:47:22,142 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:47:22,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:47:22,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:47:22,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:47:22,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:47:22,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:47:22,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:47:22,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:47:22,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:47:22,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:47:22,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:47:22,144 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:47:22,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:47:22,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:47:22,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 [2022-07-21 01:47:22,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:47:22,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:47:22,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:47:22,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:47:22,426 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:47:22,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2022-07-21 01:47:22,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50cbcdb7/066602e887eb4bb0b0f4f5f7cc1eb88f/FLAGe4a3daa2c [2022-07-21 01:47:22,875 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:47:22,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2022-07-21 01:47:22,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50cbcdb7/066602e887eb4bb0b0f4f5f7cc1eb88f/FLAGe4a3daa2c [2022-07-21 01:47:23,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50cbcdb7/066602e887eb4bb0b0f4f5f7cc1eb88f [2022-07-21 01:47:23,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:47:23,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:47:23,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:47:23,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:47:23,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:47:23,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4610bcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23, skipping insertion in model container [2022-07-21 01:47:23,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:47:23,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:47:23,428 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_1011a.c[1210,1223] [2022-07-21 01:47:23,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:47:23,435 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:47:23,463 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_1011a.c[1210,1223] [2022-07-21 01:47:23,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:47:23,491 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:47:23,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23 WrapperNode [2022-07-21 01:47:23,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:47:23,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:47:23,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:47:23,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:47:23,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,541 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-07-21 01:47:23,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:47:23,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:47:23,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:47:23,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:47:23,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:47:23,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:47:23,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:47:23,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:47:23,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (1/1) ... [2022-07-21 01:47:23,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:47:23,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:47:23,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 01:47:23,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 01:47:23,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:47:23,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 01:47:23,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:47:23,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-21 01:47:23,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 01:47:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-21 01:47:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:47:23,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:47:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 01:47:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:47:23,746 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:47:23,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:47:23,845 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:47:23,849 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:47:23,850 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-21 01:47:23,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:47:23 BoogieIcfgContainer [2022-07-21 01:47:23,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:47:23,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:47:23,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:47:23,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:47:23,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:47:23" (1/3) ... [2022-07-21 01:47:23,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44868a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:47:23, skipping insertion in model container [2022-07-21 01:47:23,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23" (2/3) ... [2022-07-21 01:47:23,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44868a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:47:23, skipping insertion in model container [2022-07-21 01:47:23,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:47:23" (3/3) ... [2022-07-21 01:47:23,857 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2022-07-21 01:47:23,868 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:47:23,868 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:47:23,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:47:23,907 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@36b9a900, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2d0d526c [2022-07-21 01:47:23,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:47:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-21 01:47:23,916 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:47:23,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:47:23,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:47:23,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:47:23,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2022-07-21 01:47:23,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:47:23,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530405123] [2022-07-21 01:47:23,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:47:23,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:47:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:47:24,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:47:24,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 01:47:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530405123] [2022-07-21 01:47:24,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530405123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:47:24,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:47:24,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:47:24,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211866453] [2022-07-21 01:47:24,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:47:24,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:47:24,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 01:47:24,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:47:24,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:47:24,096 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:47:24,110 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2022-07-21 01:47:24,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:47:24,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-07-21 01:47:24,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:47:24,118 INFO L225 Difference]: With dead ends: 36 [2022-07-21 01:47:24,118 INFO L226 Difference]: Without dead ends: 16 [2022-07-21 01:47:24,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:47:24,126 INFO L413 NwaCegarLoop]: 19 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, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:47:24,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:47:24,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-07-21 01:47:24,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-21 01:47:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 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) [2022-07-21 01:47:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-07-21 01:47:24,151 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2022-07-21 01:47:24,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:47:24,151 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-07-21 01:47:24,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-07-21 01:47:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 01:47:24,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:47:24,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:47:24,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 01:47:24,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:47:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:47:24,160 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2022-07-21 01:47:24,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:47:24,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888616540] [2022-07-21 01:47:24,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:47:24,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:47:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:47:24,228 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 01:47:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:47:24,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 01:47:24,286 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 01:47:24,292 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:47:24,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 01:47:24,298 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-21 01:47:24,302 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:47:24,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:47:24 BoogieIcfgContainer [2022-07-21 01:47:24,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:47:24,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:47:24,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:47:24,336 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:47:24,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:47:23" (3/4) ... [2022-07-21 01:47:24,339 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 01:47:24,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:47:24,340 INFO L158 Benchmark]: Toolchain (without parser) took 1065.32ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 67.5MB in the end (delta: -13.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-07-21 01:47:24,341 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:47:24,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.78ms. Allocated memory is still 71.3MB. Free memory was 54.0MB in the beginning and 56.0MB in the end (delta: -2.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-21 01:47:24,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.54ms. Allocated memory is still 71.3MB. Free memory was 56.0MB in the beginning and 54.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:47:24,344 INFO L158 Benchmark]: Boogie Preprocessor took 42.68ms. Allocated memory is still 71.3MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:47:24,346 INFO L158 Benchmark]: RCFGBuilder took 265.45ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 42.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 01:47:24,346 INFO L158 Benchmark]: TraceAbstraction took 473.75ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 41.9MB in the beginning and 68.0MB in the end (delta: -26.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-07-21 01:47:24,347 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 100.7MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:47:24,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.78ms. Allocated memory is still 71.3MB. Free memory was 54.0MB in the beginning and 56.0MB in the end (delta: -2.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.54ms. Allocated memory is still 71.3MB. Free memory was 56.0MB in the beginning and 54.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.68ms. Allocated memory is still 71.3MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 265.45ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 42.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 473.75ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 41.9MB in the beginning and 68.0MB in the end (delta: -26.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 100.7MB. Free memory is still 67.5MB. 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: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L49] double x = 0.0; [L50] CALL, EXPR fabs_double(x) [L28] __uint32_t high; VAL [\old(x)=0, x=0] [L30] ieee_double_shape_type gh_u; [L31] gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] (high) = gh_u.parts.msw [L35] ieee_double_shape_type sh_u; [L36] sh_u.value = (x) [L37] sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] (x) = sh_u.value [L40] return x; VAL [\old(x)=0, \result=0, high=52, x=0] [L50] RET, EXPR fabs_double(x) [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=0, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L54] reach_error() VAL [res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 19 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, 19 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=19occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-21 01:47:24,381 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 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_1011a.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 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:47:26,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:47:26,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:47:26,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:47:26,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:47:26,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:47:26,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:47:26,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:47:26,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:47:26,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:47:26,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:47:26,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:47:26,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:47:26,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:47:26,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:47:26,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:47:26,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:47:26,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:47:26,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:47:26,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:47:26,254 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:47:26,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:47:26,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:47:26,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:47:26,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:47:26,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:47:26,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:47:26,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:47:26,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:47:26,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:47:26,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:47:26,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:47:26,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:47:26,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:47:26,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:47:26,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:47:26,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:47:26,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:47:26,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:47:26,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:47:26,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:47:26,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:47:26,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:47:26,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:47:26,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:47:26,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:47:26,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:47:26,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:47:26,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:47:26,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:47:26,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:47:26,309 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:47:26,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:47:26,310 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:47:26,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:47:26,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:47:26,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:47:26,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:47:26,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:47:26,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:47:26,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:47:26,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:47:26,311 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:47:26,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:47:26,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:47:26,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:47:26,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:47:26,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:47:26,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:47:26,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:47:26,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:47:26,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:47:26,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:47:26,313 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:47:26,313 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:47:26,313 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:47:26,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:47:26,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:47:26,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:47:26,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4125067731c9461f504f645ef137a32a099671890c2e50b3f9cd5d26dd48e367 [2022-07-21 01:47:26,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:47:26,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:47:26,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:47:26,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:47:26,597 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:47:26,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2022-07-21 01:47:26,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e98865e4/8f8c0f371f7046fbb72e58945b339761/FLAG1f254e07c [2022-07-21 01:47:27,053 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:47:27,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2022-07-21 01:47:27,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e98865e4/8f8c0f371f7046fbb72e58945b339761/FLAG1f254e07c [2022-07-21 01:47:27,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e98865e4/8f8c0f371f7046fbb72e58945b339761 [2022-07-21 01:47:27,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:47:27,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:47:27,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:47:27,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:47:27,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:47:27,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e6749f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27, skipping insertion in model container [2022-07-21 01:47:27,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:47:27,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:47:27,250 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_1011a.c[1210,1223] [2022-07-21 01:47:27,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:47:27,264 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:47:27,327 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_1011a.c[1210,1223] [2022-07-21 01:47:27,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:47:27,346 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:47:27,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27 WrapperNode [2022-07-21 01:47:27,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:47:27,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:47:27,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:47:27,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:47:27,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,386 INFO L137 Inliner]: procedures = 19, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-07-21 01:47:27,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:47:27,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:47:27,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:47:27,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:47:27,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:47:27,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:47:27,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:47:27,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:47:27,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (1/1) ... [2022-07-21 01:47:27,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:47:27,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:47:27,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 01:47:27,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 01:47:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:47:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-21 01:47:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-07-21 01:47:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 01:47:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:47:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 01:47:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:47:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:47:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 01:47:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:47:27,574 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:47:27,575 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:47:27,695 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:47:27,701 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:47:27,701 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-21 01:47:27,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:47:27 BoogieIcfgContainer [2022-07-21 01:47:27,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:47:27,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:47:27,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:47:27,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:47:27,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:47:27" (1/3) ... [2022-07-21 01:47:27,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cdf9f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:47:27, skipping insertion in model container [2022-07-21 01:47:27,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:27" (2/3) ... [2022-07-21 01:47:27,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cdf9f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:47:27, skipping insertion in model container [2022-07-21 01:47:27,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:47:27" (3/3) ... [2022-07-21 01:47:27,709 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2022-07-21 01:47:27,719 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:47:27,720 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:47:27,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:47:27,773 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@2e812662, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e15a9ef [2022-07-21 01:47:27,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:47:27,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-21 01:47:27,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:47:27,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:47:27,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:47:27,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:47:27,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2022-07-21 01:47:27,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:47:27,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497264510] [2022-07-21 01:47:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:47:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:47:27,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:47:27,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:47:27,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 01:47:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:47:27,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 01:47:27,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:47:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:47:27,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:47:27,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:47:27,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497264510] [2022-07-21 01:47:27,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497264510] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:47:27,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:47:27,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:47:27,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814318058] [2022-07-21 01:47:27,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:47:27,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:47:27,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:47:27,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:47:27,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:47:27,982 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:47:27,993 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2022-07-21 01:47:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:47:27,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-07-21 01:47:27,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:47:28,000 INFO L225 Difference]: With dead ends: 36 [2022-07-21 01:47:28,000 INFO L226 Difference]: Without dead ends: 16 [2022-07-21 01:47:28,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:47:28,005 INFO L413 NwaCegarLoop]: 19 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, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:47:28,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:47:28,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-07-21 01:47:28,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-21 01:47:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 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) [2022-07-21 01:47:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-07-21 01:47:28,027 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2022-07-21 01:47:28,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:47:28,027 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-07-21 01:47:28,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-07-21 01:47:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 01:47:28,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:47:28,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:47:28,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 01:47:28,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:47:28,238 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:47:28,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:47:28,239 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2022-07-21 01:47:28,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:47:28,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237800294] [2022-07-21 01:47:28,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:47:28,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:47:28,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:47:28,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:47:28,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 01:47:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:47:28,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 01:47:28,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:47:28,464 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 [2022-07-21 01:47:28,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2022-07-21 01:47:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:47:28,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:47:28,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:47:28,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237800294] [2022-07-21 01:47:28,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237800294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:47:28,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:47:28,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 01:47:28,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88119188] [2022-07-21 01:47:28,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:47:28,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:47:28,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:47:28,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:47:28,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:47:28,688 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:28,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:47:28,748 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2022-07-21 01:47:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:47:28,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-21 01:47:28,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:47:28,750 INFO L225 Difference]: With dead ends: 19 [2022-07-21 01:47:28,750 INFO L226 Difference]: Without dead ends: 16 [2022-07-21 01:47:28,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-21 01:47:28,751 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 23 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:47:28,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 24 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2022-07-21 01:47:28,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-07-21 01:47:28,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-21 01:47:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2022-07-21 01:47:28,754 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2022-07-21 01:47:28,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:47:28,755 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2022-07-21 01:47:28,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-07-21 01:47:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-21 01:47:28,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:47:28,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:47:28,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 01:47:28,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:47:28,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:47:28,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:47:28,965 INFO L85 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2022-07-21 01:47:28,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:47:28,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786627668] [2022-07-21 01:47:28,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:47:28,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:47:28,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:47:28,973 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:47:28,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 01:47:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:47:29,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-21 01:47:29,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:47:29,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-07-21 01:47:29,280 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 01:47:29,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 28 [2022-07-21 01:47:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:47:29,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:47:29,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:47:29,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786627668] [2022-07-21 01:47:29,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786627668] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:47:29,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:47:29,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 01:47:29,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762407487] [2022-07-21 01:47:29,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:47:29,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 01:47:29,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:47:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 01:47:29,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-21 01:47:29,422 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:29,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:47:29,469 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-07-21 01:47:29,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 01:47:29,469 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 15 [2022-07-21 01:47:29,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:47:29,470 INFO L225 Difference]: With dead ends: 16 [2022-07-21 01:47:29,470 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 01:47:29,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-21 01:47:29,471 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:47:29,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 36 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 25 Unchecked, 0.0s Time] [2022-07-21 01:47:29,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 01:47:29,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 01:47:29,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:29,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 01:47:29,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-07-21 01:47:29,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:47:29,473 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 01:47:29,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:47:29,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 01:47:29,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 01:47:29,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:47:29,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-21 01:47:29,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:47:29,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 01:47:29,723 INFO L899 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2022-07-21 01:47:29,724 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: (and (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res#1|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8|))) (let ((.cse1 (select .cse2 (_ bv4 32)))) (and (= (_ +zero 11 53) (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|))) (= (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start___signbit_double_~x#1|) (= (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2147483647 32)) .cse1))))) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_~x#1|) |ULTIMATE.start_main_#t~short9#1|) [2022-07-21 01:47:29,724 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2022-07-21 01:47:29,724 INFO L895 garLoopResultBuilder]: At program point L40(lines 27 41) the Hoare annotation is: (and (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res#1|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8|))) (let ((.cse1 (select .cse2 (_ bv4 32)))) (and (= (_ +zero 11 53) (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|))) (= (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) |ULTIMATE.start_fabs_double_#res#1|) (= (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2147483647 32)) .cse1))))) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_~x#1|)) [2022-07-21 01:47:29,724 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 01:47:29,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 01:47:29,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 01:47:29,724 INFO L902 garLoopResultBuilder]: At program point L57(lines 43 58) the Hoare annotation is: true [2022-07-21 01:47:29,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-21 01:47:29,725 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-21 01:47:29,725 INFO L899 garLoopResultBuilder]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2022-07-21 01:47:29,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 01:47:29,725 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2022-07-21 01:47:29,725 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 33) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_~x#1|) [2022-07-21 01:47:29,725 INFO L895 garLoopResultBuilder]: At program point L25(lines 16 26) the Hoare annotation is: (and (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res#1|) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_~x#1|) |ULTIMATE.start_main_#t~short9#1|) [2022-07-21 01:47:29,725 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-21 01:47:29,725 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 39) no Hoare annotation was computed. [2022-07-21 01:47:29,725 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2022-07-21 01:47:29,725 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2022-07-21 01:47:29,728 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-21 01:47:29,729 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:47:29,737 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,738 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,739 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,740 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,747 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,747 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,748 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,749 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,751 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,752 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,753 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,755 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,756 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,757 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,766 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,767 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:47:29 BoogieIcfgContainer [2022-07-21 01:47:29,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:47:29,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:47:29,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:47:29,777 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:47:29,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:47:27" (3/4) ... [2022-07-21 01:47:29,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 01:47:29,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-07-21 01:47:29,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 01:47:29,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 01:47:29,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 01:47:29,812 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 01:47:29,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:47:29,816 INFO L158 Benchmark]: Toolchain (without parser) took 2738.21ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 45.8MB in the beginning and 40.8MB in the end (delta: 4.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-07-21 01:47:29,817 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:47:29,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.33ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 47.6MB in the end (delta: -2.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 01:47:29,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.32ms. Allocated memory is still 65.0MB. Free memory was 47.6MB in the beginning and 46.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:47:29,818 INFO L158 Benchmark]: Boogie Preprocessor took 43.99ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 44.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:47:29,819 INFO L158 Benchmark]: RCFGBuilder took 270.37ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 33.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 01:47:29,819 INFO L158 Benchmark]: TraceAbstraction took 2071.58ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 32.7MB in the beginning and 42.9MB in the end (delta: -10.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-07-21 01:47:29,819 INFO L158 Benchmark]: Witness Printer took 35.79ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 40.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:47:29,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.33ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 47.6MB in the end (delta: -2.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.32ms. Allocated memory is still 65.0MB. Free memory was 47.6MB in the beginning and 46.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.99ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 44.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 270.37ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 33.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2071.58ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 32.7MB in the beginning and 42.9MB in the end (delta: -10.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Witness Printer took 35.79ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 40.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,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_fabs_double_~#sh_u~0#1.base_8,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_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,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_fabs_double_~#sh_u~0#1.base_8,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_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,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_fabs_double_~#sh_u~0#1.base_8,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_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,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_fabs_double_~#sh_u~0#1.base_8,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: 54]: 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 31 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 34 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 150 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 11 QuantifiedInterpolants, 513 SizeOfPredicates, 21 NumberOfNonLiveVariables, 155 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 19]: Loop Invariant [2022-07-21 01:47:29,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,841 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] Derived loop invariant: ((~Pluszero~LONGDOUBLE() == \result && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8 : bv32 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][0bv32])[51:0]) == x) && ~bvand32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) == unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][4bv32])) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((~Pluszero~LONGDOUBLE() == \result && 0bv32 == \result) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant [2022-07-21 01:47:29,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] [2022-07-21 01:47:29,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2022-07-21 01:47:29,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8,QUANTIFIED] Derived loop invariant: (~Pluszero~LONGDOUBLE() == \result && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8 : bv32 :: (~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][0bv32])[51:0]) == \result) && ~bvand32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) == unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_8][4bv32])) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x RESULT: Ultimate proved your program to be correct! [2022-07-21 01:47:29,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE