./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.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 --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 2ecded21af21e612f7d09e448ffb0a0da08483e60b9a5a0901f8909a8d7c6dd0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 19:15:37,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 19:15:37,146 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 19:15:37,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 19:15:37,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 19:15:37,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 19:15:37,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 19:15:37,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 19:15:37,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 19:15:37,187 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 19:15:37,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 19:15:37,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 19:15:37,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 19:15:37,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 19:15:37,191 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 19:15:37,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 19:15:37,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 19:15:37,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 19:15:37,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 19:15:37,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 19:15:37,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 19:15:37,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 19:15:37,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 19:15:37,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 19:15:37,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 19:15:37,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 19:15:37,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 19:15:37,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 19:15:37,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 19:15:37,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 19:15:37,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 19:15:37,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 19:15:37,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 19:15:37,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 19:15:37,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 19:15:37,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 19:15:37,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 19:15:37,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 19:15:37,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 19:15:37,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 19:15:37,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 19:15:37,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 19:15:37,201 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecded21af21e612f7d09e448ffb0a0da08483e60b9a5a0901f8909a8d7c6dd0 [2024-11-19 19:15:37,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 19:15:37,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 19:15:37,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 19:15:37,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 19:15:37,470 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 19:15:37,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2024-11-19 19:15:38,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 19:15:39,079 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 19:15:39,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2024-11-19 19:15:39,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a9a0c7e/5b486bdb1a9848198eac3a35ad8a4bcb/FLAG728db9c84 [2024-11-19 19:15:39,103 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a9a0c7e/5b486bdb1a9848198eac3a35ad8a4bcb [2024-11-19 19:15:39,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 19:15:39,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 19:15:39,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 19:15:39,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 19:15:39,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 19:15:39,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d422ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39, skipping insertion in model container [2024-11-19 19:15:39,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 19:15:39,360 WARN L250 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_0281.c[6064,6077] [2024-11-19 19:15:39,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 19:15:39,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 19:15:39,418 WARN L250 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_0281.c[6064,6077] [2024-11-19 19:15:39,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 19:15:39,449 INFO L204 MainTranslator]: Completed translation [2024-11-19 19:15:39,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39 WrapperNode [2024-11-19 19:15:39,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 19:15:39,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 19:15:39,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 19:15:39,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 19:15:39,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,528 INFO L138 Inliner]: procedures = 19, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 454 [2024-11-19 19:15:39,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 19:15:39,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 19:15:39,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 19:15:39,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 19:15:39,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,568 INFO L175 MemorySlicer]: Split 20 memory accesses to 8 slices as follows [2, 3, 2, 2, 3, 3, 2, 3]. 15 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 2, 1, 1, 2, 1, 1, 2]. [2024-11-19 19:15:39,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 19:15:39,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 19:15:39,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 19:15:39,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 19:15:39,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (1/1) ... [2024-11-19 19:15:39,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 19:15:39,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 19:15:39,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 19:15:39,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 19:15:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 19:15:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 19:15:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 19:15:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 19:15:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 19:15:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 19:15:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 19:15:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 19:15:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 19:15:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 19:15:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-19 19:15:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-19 19:15:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-19 19:15:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-19 19:15:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-19 19:15:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-19 19:15:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-19 19:15:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-19 19:15:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 19:15:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 19:15:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 19:15:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 19:15:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 19:15:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 19:15:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 19:15:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 19:15:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-19 19:15:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-19 19:15:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-19 19:15:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-19 19:15:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-19 19:15:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-19 19:15:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-19 19:15:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-19 19:15:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 19:15:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 19:15:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 19:15:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 19:15:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 19:15:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 19:15:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 19:15:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 19:15:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 19:15:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 19:15:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 19:15:39,848 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 19:15:39,849 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 19:15:40,452 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-19 19:15:40,452 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 19:15:40,470 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 19:15:40,471 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-19 19:15:40,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:15:40 BoogieIcfgContainer [2024-11-19 19:15:40,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 19:15:40,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 19:15:40,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 19:15:40,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 19:15:40,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:15:39" (1/3) ... [2024-11-19 19:15:40,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5fda0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:15:40, skipping insertion in model container [2024-11-19 19:15:40,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:39" (2/3) ... [2024-11-19 19:15:40,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5fda0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:15:40, skipping insertion in model container [2024-11-19 19:15:40,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:15:40" (3/3) ... [2024-11-19 19:15:40,481 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2024-11-19 19:15:40,498 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 19:15:40,498 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 19:15:40,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 19:15:40,562 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@465e1943, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 19:15:40,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 19:15:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 1.6194029850746268) internal successors, (217), 135 states have internal predecessors, (217), 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) [2024-11-19 19:15:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 19:15:40,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 19:15:40,574 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 19:15:40,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 19:15:40,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 19:15:40,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1862611811, now seen corresponding path program 1 times [2024-11-19 19:15:40,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 19:15:40,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579254427] [2024-11-19 19:15:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 19:15:40,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 19:15:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 19:15:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 19:15:40,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 19:15:40,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579254427] [2024-11-19 19:15:40,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579254427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 19:15:40,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 19:15:40,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 19:15:40,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13055679] [2024-11-19 19:15:40,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 19:15:40,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 19:15:40,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 19:15:40,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 19:15:40,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 19:15:40,766 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 1.6194029850746268) internal successors, (217), 135 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 19:15:40,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 19:15:40,804 INFO L93 Difference]: Finished difference Result 269 states and 430 transitions. [2024-11-19 19:15:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 19:15:40,806 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-19 19:15:40,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 19:15:40,814 INFO L225 Difference]: With dead ends: 269 [2024-11-19 19:15:40,814 INFO L226 Difference]: Without dead ends: 132 [2024-11-19 19:15:40,817 INFO L431 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 [2024-11-19 19:15:40,819 INFO L432 NwaCegarLoop]: 197 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, 197 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 [2024-11-19 19:15:40,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 19:15:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-19 19:15:40,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-19 19:15:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.465648854961832) internal successors, (192), 131 states have internal predecessors, (192), 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) [2024-11-19 19:15:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions. [2024-11-19 19:15:40,870 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 192 transitions. Word has length 12 [2024-11-19 19:15:40,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 19:15:40,870 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 192 transitions. [2024-11-19 19:15:40,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 19:15:40,870 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions. [2024-11-19 19:15:40,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 19:15:40,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 19:15:40,875 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 19:15:40,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 19:15:40,876 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 19:15:40,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 19:15:40,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1723820597, now seen corresponding path program 1 times [2024-11-19 19:15:40,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 19:15:40,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365654301] [2024-11-19 19:15:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 19:15:40,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 19:15:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 19:15:40,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 19:15:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 19:15:41,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 19:15:41,019 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 19:15:41,020 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 19:15:41,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 19:15:41,027 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 19:15:41,058 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 19:15:41,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:15:41 BoogieIcfgContainer [2024-11-19 19:15:41,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 19:15:41,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 19:15:41,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 19:15:41,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 19:15:41,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:15:40" (3/4) ... [2024-11-19 19:15:41,066 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 19:15:41,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 19:15:41,069 INFO L158 Benchmark]: Toolchain (without parser) took 1961.33ms. Allocated memory is still 163.6MB. Free memory was 134.2MB in the beginning and 87.5MB in the end (delta: 46.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-19 19:15:41,070 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 19:15:41,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.94ms. Allocated memory is still 163.6MB. Free memory was 134.2MB in the beginning and 117.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 19:15:41,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.42ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 113.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 19:15:41,074 INFO L158 Benchmark]: Boogie Preprocessor took 72.34ms. Allocated memory is still 163.6MB. Free memory was 113.9MB in the beginning and 108.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 19:15:41,074 INFO L158 Benchmark]: RCFGBuilder took 869.83ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 121.1MB in the end (delta: -12.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-19 19:15:41,075 INFO L158 Benchmark]: TraceAbstraction took 587.92ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 88.6MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 19:15:41,075 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 163.6MB. Free memory was 88.6MB in the beginning and 87.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 19:15:41,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.94ms. Allocated memory is still 163.6MB. Free memory was 134.2MB in the beginning and 117.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.42ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 113.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.34ms. Allocated memory is still 163.6MB. Free memory was 113.9MB in the beginning and 108.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 869.83ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 121.1MB in the end (delta: -12.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 587.92ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 88.6MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 163.6MB. Free memory was 88.6MB in the beginning and 87.5MB in the end (delta: 1.0MB). 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: 250]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 20, overapproximation of someUnaryDOUBLEoperation at line 155, overapproximation of someBinaryArithmeticDOUBLEoperation at line 190. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L149-L163] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] double x = __VERIFIER_nondet_double(); [L244] COND TRUE x < -1.0 && x > 1.0 [L246] CALL, EXPR __ieee754_asin(x) [L166] double t, w, p, q, c, r, s; [L167] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011] [L169] ieee_double_shape_type gh_u; [L170] gh_u.value = (x) [L171] EXPR gh_u.parts.msw [L171] (hx) = gh_u.parts.msw [L173] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1103101952, ix=1044381696, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011] [L174] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L185] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1103101952, ix=1044381696, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011] [L186] COND FALSE !(ix < 0x3e400000) [L190] t = x * x [L191-L194] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L195-L196] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L197] w = p / q [L198] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1103101952, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011] [L246] RET, EXPR __ieee754_asin(x) [L246] double res = __ieee754_asin(x); [L249] CALL, EXPR isnan_double(res) [L20] return x != x; VAL [\result=0, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L249] RET, EXPR isnan_double(res) [L249] COND TRUE !isnan_double(res) [L250] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 197 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, 197 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=136occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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 [2024-11-19 19:15:41,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.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 --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 2ecded21af21e612f7d09e448ffb0a0da08483e60b9a5a0901f8909a8d7c6dd0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 19:15:43,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 19:15:43,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-19 19:15:43,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 19:15:43,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 19:15:43,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 19:15:43,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 19:15:43,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 19:15:43,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 19:15:43,357 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 19:15:43,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 19:15:43,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 19:15:43,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 19:15:43,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 19:15:43,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 19:15:43,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 19:15:43,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 19:15:43,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 19:15:43,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 19:15:43,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 19:15:43,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 19:15:43,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 19:15:43,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 19:15:43,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 19:15:43,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 19:15:43,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 19:15:43,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 19:15:43,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 19:15:43,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 19:15:43,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 19:15:43,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 19:15:43,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 19:15:43,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 19:15:43,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 19:15:43,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 19:15:43,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 19:15:43,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 19:15:43,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 19:15:43,372 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 19:15:43,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 19:15:43,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 19:15:43,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 19:15:43,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 19:15:43,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 19:15:43,374 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecded21af21e612f7d09e448ffb0a0da08483e60b9a5a0901f8909a8d7c6dd0 [2024-11-19 19:15:43,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 19:15:43,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 19:15:43,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 19:15:43,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 19:15:43,731 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 19:15:43,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2024-11-19 19:15:45,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 19:15:45,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 19:15:45,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2024-11-19 19:15:45,510 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d73abd1/1ef815ea682a47849fa2e27982205f07/FLAG50fb7366e [2024-11-19 19:15:45,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d73abd1/1ef815ea682a47849fa2e27982205f07 [2024-11-19 19:15:45,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 19:15:45,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 19:15:45,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 19:15:45,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 19:15:45,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 19:15:45,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:45,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5158b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45, skipping insertion in model container [2024-11-19 19:15:45,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:45,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 19:15:45,848 WARN L250 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_0281.c[6064,6077] [2024-11-19 19:15:45,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 19:15:45,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 19:15:45,928 WARN L250 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_0281.c[6064,6077] [2024-11-19 19:15:45,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 19:15:45,956 INFO L204 MainTranslator]: Completed translation [2024-11-19 19:15:45,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45 WrapperNode [2024-11-19 19:15:45,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 19:15:45,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 19:15:45,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 19:15:45,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 19:15:45,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:45,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,023 INFO L138 Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 302 [2024-11-19 19:15:46,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 19:15:46,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 19:15:46,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 19:15:46,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 19:15:46,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,070 INFO L175 MemorySlicer]: Split 20 memory accesses to 8 slices as follows [2, 2, 3, 3, 3, 2, 3, 2]. 15 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 2, 2, 2, 1, 1, 1]. [2024-11-19 19:15:46,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 19:15:46,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 19:15:46,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 19:15:46,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 19:15:46,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (1/1) ... [2024-11-19 19:15:46,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 19:15:46,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 19:15:46,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 19:15:46,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 19:15:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 19:15:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-19 19:15:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-19 19:15:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-19 19:15:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-19 19:15:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-19 19:15:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-19 19:15:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-19 19:15:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-19 19:15:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-19 19:15:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-19 19:15:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-19 19:15:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-19 19:15:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-19 19:15:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-19 19:15:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-19 19:15:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-19 19:15:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 19:15:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-19 19:15:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-19 19:15:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-19 19:15:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-19 19:15:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-19 19:15:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-19 19:15:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-19 19:15:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 19:15:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 19:15:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-19 19:15:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-19 19:15:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-19 19:15:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-19 19:15:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-19 19:15:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-19 19:15:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-19 19:15:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-19 19:15:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 19:15:46,356 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 19:15:46,358 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 19:16:20,072 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-19 19:16:20,072 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 19:16:20,097 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 19:16:20,098 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-19 19:16:20,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:16:20 BoogieIcfgContainer [2024-11-19 19:16:20,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 19:16:20,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 19:16:20,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 19:16:20,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 19:16:20,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:15:45" (1/3) ... [2024-11-19 19:16:20,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105c5012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:16:20, skipping insertion in model container [2024-11-19 19:16:20,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:15:45" (2/3) ... [2024-11-19 19:16:20,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105c5012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:16:20, skipping insertion in model container [2024-11-19 19:16:20,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:16:20" (3/3) ... [2024-11-19 19:16:20,109 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2024-11-19 19:16:20,137 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 19:16:20,137 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 19:16:20,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 19:16:20,207 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@574675bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 19:16:20,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 19:16:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 73 states have internal predecessors, (120), 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) [2024-11-19 19:16:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 19:16:20,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 19:16:20,218 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 19:16:20,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 19:16:20,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 19:16:20,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2024-11-19 19:16:20,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 19:16:20,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259997890] [2024-11-19 19:16:20,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 19:16:20,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 19:16:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 19:16:20,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 19:16:20,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 19:16:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 19:16:20,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 19:16:20,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 19:16:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 19:16:20,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 19:16:20,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 19:16:20,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259997890] [2024-11-19 19:16:20,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259997890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 19:16:20,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 19:16:20,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 19:16:20,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013593021] [2024-11-19 19:16:20,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 19:16:20,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 19:16:20,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 19:16:20,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 19:16:20,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 19:16:20,936 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 73 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 19:16:20,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 19:16:20,949 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2024-11-19 19:16:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 19:16:20,950 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-19 19:16:20,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 19:16:20,955 INFO L225 Difference]: With dead ends: 78 [2024-11-19 19:16:20,956 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 19:16:20,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 19:16:20,963 INFO L432 NwaCegarLoop]: 6 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, 6 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 [2024-11-19 19:16:20,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 19:16:20,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 19:16:20,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 19:16:20,984 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) [2024-11-19 19:16:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 19:16:20,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2024-11-19 19:16:20,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 19:16:20,986 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 19:16:20,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 19:16:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 19:16:20,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 19:16:20,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 19:16:21,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-19 19:16:21,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 19:16:21,194 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 19:16:21,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 19:16:21,943 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 19:16:21,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:16:21 BoogieIcfgContainer [2024-11-19 19:16:21,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 19:16:21,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 19:16:21,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 19:16:21,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 19:16:21,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:16:20" (3/4) ... [2024-11-19 19:16:21,961 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 19:16:21,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-19 19:16:21,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-19 19:16:21,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 19:16:21,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 19:16:22,133 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 19:16:22,134 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 19:16:22,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 19:16:22,135 INFO L158 Benchmark]: Toolchain (without parser) took 36602.69ms. Allocated memory is still 77.6MB. Free memory was 43.5MB in the beginning and 48.7MB in the end (delta: -5.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-19 19:16:22,135 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 52.4MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 19:16:22,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.99ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 45.5MB in the end (delta: -2.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-19 19:16:22,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.93ms. Allocated memory is still 77.6MB. Free memory was 45.5MB in the beginning and 42.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 19:16:22,136 INFO L158 Benchmark]: Boogie Preprocessor took 90.95ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 37.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 19:16:22,136 INFO L158 Benchmark]: RCFGBuilder took 33982.53ms. Allocated memory is still 77.6MB. Free memory was 37.8MB in the beginning and 31.3MB in the end (delta: 6.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-19 19:16:22,137 INFO L158 Benchmark]: TraceAbstraction took 1856.67ms. Allocated memory is still 77.6MB. Free memory was 30.6MB in the beginning and 31.8MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 19:16:22,137 INFO L158 Benchmark]: Witness Printer took 176.04ms. Allocated memory is still 77.6MB. Free memory was 31.8MB in the beginning and 48.7MB in the end (delta: -16.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 19:16:22,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 52.4MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.99ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 45.5MB in the end (delta: -2.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.93ms. Allocated memory is still 77.6MB. Free memory was 45.5MB in the beginning and 42.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.95ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 37.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 33982.53ms. Allocated memory is still 77.6MB. Free memory was 37.8MB in the beginning and 31.3MB in the end (delta: 6.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1856.67ms. Allocated memory is still 77.6MB. Free memory was 30.6MB in the beginning and 31.8MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 176.04ms. Allocated memory is still 77.6MB. Free memory was 31.8MB in the beginning and 48.7MB in the end (delta: -16.9MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 250]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 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, 6 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-19 19:16:22,355 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-19 19:16:22,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE