./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1210.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1210.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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:11:53,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:11:53,429 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 05:11:53,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:11:53,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:11:53,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:11:53,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:11:53,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:11:53,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:11:53,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:11:53,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:11:53,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:11:53,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:11:53,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:11:53,475 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:11:53,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:11:53,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:11:53,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:11:53,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 05:11:53,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:11:53,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:11:53,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:11:53,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:11:53,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:11:53,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:11:53,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:11:53,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:11:53,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:11:53,483 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:11:53,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:11:53,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:11:53,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:11:53,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:11:53,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:11:53,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:11:53,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:11:53,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 05:11:53,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 05:11:53,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:11:53,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:11:53,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:11:53,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:11:53,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2024-11-16 05:11:53,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:11:53,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:11:53,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:11:53,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:11:53,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:11:53,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-16 05:11:55,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:11:55,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:11:55,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-16 05:11:55,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609b6e3d7/fd9b5ef6272249148bbb107f6a0d51e6/FLAG7a0a95f0c [2024-11-16 05:11:55,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609b6e3d7/fd9b5ef6272249148bbb107f6a0d51e6 [2024-11-16 05:11:55,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:11:55,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:11:55,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:11:55,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:11:55,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:11:55,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5042b23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55, skipping insertion in model container [2024-11-16 05:11:55,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:11:55,766 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_1210.c[3091,3104] [2024-11-16 05:11:55,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:11:55,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:11:55,816 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_1210.c[3091,3104] [2024-11-16 05:11:55,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:11:55,836 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:11:55,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55 WrapperNode [2024-11-16 05:11:55,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:11:55,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:11:55,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:11:55,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:11:55,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,878 INFO L138 Inliner]: procedures = 16, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 258 [2024-11-16 05:11:55,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:11:55,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:11:55,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:11:55,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:11:55,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,912 INFO L175 MemorySlicer]: Split 38 memory accesses to 12 slices as follows [2, 3, 9, 2, 3, 2, 3, 3, 3, 3, 2, 3]. 24 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [0, 2, 6, 1, 2, 1, 2, 2, 2, 1, 1, 2]. [2024-11-16 05:11:55,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:11:55,951 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:11:55,951 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:11:55,951 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:11:55,954 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (1/1) ... [2024-11-16 05:11:55,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:11:55,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:11:55,999 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) [2024-11-16 05:11:56,005 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 [2024-11-16 05:11:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-11-16 05:11:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-11-16 05:11:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:11:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 05:11:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 05:11:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 05:11:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 05:11:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 05:11:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 05:11:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 05:11:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 05:11:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 05:11:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 05:11:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 05:11:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 05:11:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:11:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-16 05:11:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-16 05:11:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-16 05:11:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-16 05:11:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-16 05:11:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-16 05:11:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-16 05:11:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-16 05:11:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-16 05:11:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-16 05:11:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-16 05:11:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-16 05:11:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 05:11:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 05:11:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 05:11:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 05:11:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 05:11:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 05:11:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 05:11:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 05:11:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 05:11:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-16 05:11:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-16 05:11:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-16 05:11:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-16 05:11:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-16 05:11:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-16 05:11:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-16 05:11:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:11:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:11:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 05:11:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 05:11:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 05:11:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:11:56,235 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:11:56,238 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:11:56,634 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L64: havoc modf_double_#t~mem14#1; [2024-11-16 05:11:56,637 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc modf_double_#t~mem23#1; [2024-11-16 05:11:56,637 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2024-11-16 05:11:56,638 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L42: havoc modf_double_~high~0#1; [2024-11-16 05:11:56,638 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L67: havoc modf_double_~high~1#1; [2024-11-16 05:11:56,638 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: havoc modf_double_~high~2#1; [2024-11-16 05:11:56,658 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-16 05:11:56,658 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:11:56,694 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:11:56,694 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-16 05:11:56,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:56 BoogieIcfgContainer [2024-11-16 05:11:56,696 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:11:56,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:11:56,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:11:56,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:11:56,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:11:55" (1/3) ... [2024-11-16 05:11:56,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1366f440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:11:56, skipping insertion in model container [2024-11-16 05:11:56,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:11:55" (2/3) ... [2024-11-16 05:11:56,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1366f440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:11:56, skipping insertion in model container [2024-11-16 05:11:56,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:56" (3/3) ... [2024-11-16 05:11:56,727 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2024-11-16 05:11:56,746 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:11:56,746 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:11:56,823 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:11:56,830 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;@63386d88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:11:56,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:11:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 68 states have (on average 1.588235294117647) internal successors, (108), 69 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:11:56,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-16 05:11:56,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:11:56,845 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:11:56,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:11:56,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:11:56,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1113353486, now seen corresponding path program 1 times [2024-11-16 05:11:56,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:11:56,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619358711] [2024-11-16 05:11:56,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:11:56,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:11:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:11:57,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 05:11:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:11:57,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:11:57,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 05:11:57,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619358711] [2024-11-16 05:11:57,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619358711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:11:57,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:11:57,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:11:57,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473752082] [2024-11-16 05:11:57,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:11:57,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:11:57,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 05:11:57,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:11:57,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:11:57,081 INFO L87 Difference]: Start difference. First operand has 73 states, 68 states have (on average 1.588235294117647) internal successors, (108), 69 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:11:57,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:11:57,120 INFO L93 Difference]: Finished difference Result 143 states and 221 transitions. [2024-11-16 05:11:57,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:11:57,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-16 05:11:57,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:11:57,131 INFO L225 Difference]: With dead ends: 143 [2024-11-16 05:11:57,131 INFO L226 Difference]: Without dead ends: 69 [2024-11-16 05:11:57,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:11:57,138 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 05:11:57,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:11:57,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-16 05:11:57,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-16 05:11:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 65 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:11:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-16 05:11:57,184 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 17 [2024-11-16 05:11:57,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:11:57,185 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-16 05:11:57,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:11:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-16 05:11:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-16 05:11:57,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:11:57,187 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:11:57,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 05:11:57,188 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:11:57,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:11:57,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1351140612, now seen corresponding path program 1 times [2024-11-16 05:11:57,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:11:57,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634145846] [2024-11-16 05:11:57,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:11:57,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:11:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:11:57,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 05:11:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:11:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:11:57,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 05:11:57,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634145846] [2024-11-16 05:11:57,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634145846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:11:57,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:11:57,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 05:11:57,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951542021] [2024-11-16 05:11:57,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:11:57,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 05:11:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 05:11:57,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 05:11:57,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 05:11:57,360 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:11:57,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:11:57,406 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2024-11-16 05:11:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 05:11:57,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-16 05:11:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:11:57,410 INFO L225 Difference]: With dead ends: 72 [2024-11-16 05:11:57,410 INFO L226 Difference]: Without dead ends: 69 [2024-11-16 05:11:57,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 05:11:57,414 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 05:11:57,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:11:57,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-16 05:11:57,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-16 05:11:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 65 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:11:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2024-11-16 05:11:57,424 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 19 [2024-11-16 05:11:57,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:11:57,425 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2024-11-16 05:11:57,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:11:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2024-11-16 05:11:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-16 05:11:57,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:11:57,427 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:11:57,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 05:11:57,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:11:57,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:11:57,428 INFO L85 PathProgramCache]: Analyzing trace with hash -374694264, now seen corresponding path program 1 times [2024-11-16 05:11:57,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 05:11:57,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220202965] [2024-11-16 05:11:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:11:57,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 05:11:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:11:57,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 05:11:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:11:57,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 05:11:57,612 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 05:11:57,613 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:11:57,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 05:11:57,619 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 05:11:57,650 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:11:57,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:11:57 BoogieIcfgContainer [2024-11-16 05:11:57,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:11:57,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:11:57,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:11:57,655 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:11:57,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:11:56" (3/4) ... [2024-11-16 05:11:57,658 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 05:11:57,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:11:57,660 INFO L158 Benchmark]: Toolchain (without parser) took 2157.05ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 96.1MB in the beginning and 122.7MB in the end (delta: -26.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-16 05:11:57,660 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 119.5MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:11:57,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.50ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 81.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 05:11:57,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.91ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 79.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 05:11:57,662 INFO L158 Benchmark]: Boogie Preprocessor took 70.64ms. Allocated memory is still 151.0MB. Free memory was 79.3MB in the beginning and 75.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:11:57,662 INFO L158 Benchmark]: IcfgBuilder took 745.86ms. Allocated memory is still 151.0MB. Free memory was 75.3MB in the beginning and 46.5MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-16 05:11:57,662 INFO L158 Benchmark]: TraceAbstraction took 955.05ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 45.9MB in the beginning and 122.7MB in the end (delta: -76.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:11:57,663 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 203.4MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:11:57,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 119.5MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.50ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 81.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.91ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 79.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.64ms. Allocated memory is still 151.0MB. Free memory was 79.3MB in the beginning and 75.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 745.86ms. Allocated memory is still 151.0MB. Free memory was 75.3MB in the beginning and 46.5MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 955.05ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 45.9MB in the beginning and 122.7MB in the end (delta: -76.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 203.4MB. Free memory is still 122.7MB. 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: 124]: 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 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 118. Possible FailurePath: [L19] static const double one_modf = 1.0; VAL [one_modf=1] [L118] double x = 0.0 / 0.0; [L119] double iptr; [L120] CALL, EXPR modf_double(x, &iptr) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [iptr={6:0}, one_modf=1, x=4294967316] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L29] COND FALSE !(0) VAL [i0=-1074790401, i1=-1, iptr={6:0}, one_modf=1, x=4294967316] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [i0=-1074790401, i1=-1, iptr={6:0}, j0=-1, one_modf=1, x=4294967316] [L31] COND TRUE j0 < 20 VAL [one_modf=1] [L32] COND TRUE j0 < 0 VAL [one_modf=1] [L34] ieee_double_shape_type iw_u; [L35] iw_u.parts.msw = (i0 & 0x80000000) [L36] iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] (*iptr) = iw_u.value [L38] COND FALSE !(0) VAL [i0=-1074790401, i1=-1, iptr={6:0}, one_modf=1, x=4294967316] [L39] return x; VAL [\result=4294967316, i0=-1074790401, i1=-1, iptr={6:0}, one_modf=1] [L120] RET, EXPR modf_double(x, &iptr) [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [one_modf=1] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=4294967315, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967315, \result=1, one_modf=1] [L123] RET, EXPR isnan_double(iptr) VAL [one_modf=1, res=4294967316] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=4294967316] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967316, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967316, \result=0, one_modf=1] [L123] RET, EXPR isnan_double(res) VAL [one_modf=1, res=4294967316] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=4294967316] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1, res=4294967316] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, 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, 237 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 163 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 05:11:57,697 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 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1210.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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 05:12:00,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 05:12:00,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 05:12:00,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 05:12:00,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 05:12:00,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 05:12:00,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 05:12:00,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 05:12:00,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 05:12:00,273 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 05:12:00,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 05:12:00,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 05:12:00,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 05:12:00,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 05:12:00,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 05:12:00,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 05:12:00,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 05:12:00,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 05:12:00,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 05:12:00,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 05:12:00,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 05:12:00,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 05:12:00,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 05:12:00,280 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 05:12:00,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 05:12:00,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 05:12:00,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 05:12:00,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 05:12:00,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 05:12:00,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 05:12:00,282 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 05:12:00,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 05:12:00,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 05:12:00,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 05:12:00,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:12:00,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 05:12:00,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 05:12:00,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 05:12:00,286 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 05:12:00,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 05:12:00,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 05:12:00,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 05:12:00,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 05:12:00,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 05:12:00,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2024-11-16 05:12:00,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 05:12:00,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 05:12:00,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 05:12:00,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 05:12:00,676 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 05:12:00,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-16 05:12:02,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 05:12:02,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 05:12:02,604 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-16 05:12:02,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292cce13c/ba53e7c113f24620a42d53df5e7ab646/FLAG0f25e6415 [2024-11-16 05:12:02,981 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292cce13c/ba53e7c113f24620a42d53df5e7ab646 [2024-11-16 05:12:02,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 05:12:02,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 05:12:02,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 05:12:02,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 05:12:02,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 05:12:02,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:12:02" (1/1) ... [2024-11-16 05:12:02,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778d753e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:02, skipping insertion in model container [2024-11-16 05:12:02,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:12:02" (1/1) ... [2024-11-16 05:12:03,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 05:12:03,248 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_1210.c[3091,3104] [2024-11-16 05:12:03,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:12:03,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 05:12:03,311 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_1210.c[3091,3104] [2024-11-16 05:12:03,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 05:12:03,339 INFO L204 MainTranslator]: Completed translation [2024-11-16 05:12:03,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03 WrapperNode [2024-11-16 05:12:03,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 05:12:03,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 05:12:03,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 05:12:03,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 05:12:03,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,406 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 202 [2024-11-16 05:12:03,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 05:12:03,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 05:12:03,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 05:12:03,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 05:12:03,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,424 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,447 INFO L175 MemorySlicer]: Split 38 memory accesses to 12 slices as follows [2, 9, 2, 3, 2, 3, 2, 3, 3, 3, 3, 3]. 24 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [0, 6, 1, 2, 1, 2, 1, 2, 2, 1, 2, 2]. [2024-11-16 05:12:03,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,470 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 05:12:03,495 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 05:12:03,495 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 05:12:03,495 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 05:12:03,496 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (1/1) ... [2024-11-16 05:12:03,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 05:12:03,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 05:12:03,528 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) [2024-11-16 05:12:03,532 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 [2024-11-16 05:12:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-11-16 05:12:03,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-11-16 05:12:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 05:12:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-16 05:12:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-16 05:12:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-16 05:12:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-16 05:12:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-16 05:12:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-16 05:12:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-16 05:12:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-16 05:12:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-16 05:12:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-16 05:12:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-16 05:12:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-16 05:12:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-16 05:12:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-16 05:12:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-16 05:12:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-16 05:12:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-16 05:12:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-16 05:12:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-16 05:12:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-16 05:12:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-16 05:12:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-16 05:12:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-16 05:12:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-16 05:12:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 05:12:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 05:12:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-16 05:12:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-16 05:12:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-16 05:12:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-16 05:12:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-16 05:12:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-16 05:12:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-16 05:12:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-16 05:12:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-16 05:12:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 05:12:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-16 05:12:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-16 05:12:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-16 05:12:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-16 05:12:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-16 05:12:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-16 05:12:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 05:12:03,769 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 05:12:03,771 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 05:12:05,577 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L64: havoc modf_double_#t~mem10#1; [2024-11-16 05:12:05,577 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc modf_double_#t~mem16#1; [2024-11-16 05:12:05,577 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2024-11-16 05:12:05,577 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L42: havoc modf_double_~high~0#1; [2024-11-16 05:12:05,577 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L67: havoc modf_double_~high~1#1; [2024-11-16 05:12:05,577 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: havoc modf_double_~high~2#1; [2024-11-16 05:12:05,590 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-16 05:12:05,591 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 05:12:05,607 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 05:12:05,607 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 05:12:05,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:12:05 BoogieIcfgContainer [2024-11-16 05:12:05,608 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 05:12:05,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 05:12:05,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 05:12:05,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 05:12:05,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:12:02" (1/3) ... [2024-11-16 05:12:05,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4fdbe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:12:05, skipping insertion in model container [2024-11-16 05:12:05,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:12:03" (2/3) ... [2024-11-16 05:12:05,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4fdbe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:12:05, skipping insertion in model container [2024-11-16 05:12:05,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:12:05" (3/3) ... [2024-11-16 05:12:05,616 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2024-11-16 05:12:05,631 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 05:12:05,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 05:12:05,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 05:12:05,715 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;@77a152eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 05:12:05,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 05:12:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 46 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:12:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-16 05:12:05,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:12:05,725 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:12:05,725 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:12:05,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:12:05,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1484190491, now seen corresponding path program 1 times [2024-11-16 05:12:05,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:12:05,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35470073] [2024-11-16 05:12:05,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:12:05,741 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 [2024-11-16 05:12:05,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:12:05,744 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) [2024-11-16 05:12:05,745 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 [2024-11-16 05:12:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:12:05,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 05:12:05,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:12:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:12:05,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:12:05,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:12:05,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35470073] [2024-11-16 05:12:05,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35470073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:12:05,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:12:05,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 05:12:05,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950044430] [2024-11-16 05:12:05,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:12:05,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 05:12:05,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:12:05,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 05:12:05,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:12:05,973 INFO L87 Difference]: Start difference. First operand has 50 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 46 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:12:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:12:05,990 INFO L93 Difference]: Finished difference Result 97 states and 151 transitions. [2024-11-16 05:12:05,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 05:12:05,992 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-16 05:12:05,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:12:05,998 INFO L225 Difference]: With dead ends: 97 [2024-11-16 05:12:05,998 INFO L226 Difference]: Without dead ends: 46 [2024-11-16 05:12:06,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 05:12:06,004 INFO L432 NwaCegarLoop]: 55 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, 55 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 [2024-11-16 05:12:06,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:12:06,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-16 05:12:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-16 05:12:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:12:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2024-11-16 05:12:06,037 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 17 [2024-11-16 05:12:06,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:12:06,037 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2024-11-16 05:12:06,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:12:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2024-11-16 05:12:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-16 05:12:06,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:12:06,039 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:12:06,044 INFO L552 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)] Ended with exit code 0 [2024-11-16 05:12:06,240 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 [2024-11-16 05:12:06,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:12:06,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:12:06,241 INFO L85 PathProgramCache]: Analyzing trace with hash -848330899, now seen corresponding path program 1 times [2024-11-16 05:12:06,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:12:06,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847995797] [2024-11-16 05:12:06,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:12:06,242 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 [2024-11-16 05:12:06,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:12:06,244 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-16 05:12:06,245 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 (3)] Waiting until timeout for monitored process [2024-11-16 05:12:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:12:06,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 05:12:06,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:12:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:12:06,708 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:12:06,709 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:12:06,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847995797] [2024-11-16 05:12:06,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847995797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:12:06,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:12:06,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 05:12:06,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535175766] [2024-11-16 05:12:06,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:12:06,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 05:12:06,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:12:06,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 05:12:06,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 05:12:06,712 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:12:09,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 05:12:09,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:12:09,716 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2024-11-16 05:12:09,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 05:12:09,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-16 05:12:09,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:12:09,718 INFO L225 Difference]: With dead ends: 58 [2024-11-16 05:12:09,718 INFO L226 Difference]: Without dead ends: 24 [2024-11-16 05:12:09,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 05:12:09,720 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 16 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-16 05:12:09,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 65 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-16 05:12:09,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-16 05:12:09,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-16 05:12:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:12:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-16 05:12:09,729 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 19 [2024-11-16 05:12:09,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:12:09,729 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-16 05:12:09,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:12:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-16 05:12:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-16 05:12:09,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:12:09,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:12:09,737 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 (3)] Forceful destruction successful, exit code 0 [2024-11-16 05:12:09,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-16 05:12:09,932 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:12:09,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:12:09,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2133881383, now seen corresponding path program 1 times [2024-11-16 05:12:09,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:12:09,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456442703] [2024-11-16 05:12:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:12:09,934 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 [2024-11-16 05:12:09,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:12:09,937 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-16 05:12:09,938 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 (4)] Waiting until timeout for monitored process [2024-11-16 05:12:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 05:12:10,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 05:12:10,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 05:12:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 05:12:10,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 05:12:10,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 05:12:10,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456442703] [2024-11-16 05:12:10,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456442703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 05:12:10,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 05:12:10,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 05:12:10,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825179969] [2024-11-16 05:12:10,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 05:12:10,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 05:12:10,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 05:12:10,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 05:12:10,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 05:12:10,317 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:12:10,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 05:12:10,354 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-11-16 05:12:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 05:12:10,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-16 05:12:10,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 05:12:10,356 INFO L225 Difference]: With dead ends: 27 [2024-11-16 05:12:10,356 INFO L226 Difference]: Without dead ends: 24 [2024-11-16 05:12:10,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 05:12:10,357 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 05:12:10,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 05:12:10,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-16 05:12:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-16 05:12:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 05:12:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-16 05:12:10,363 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 21 [2024-11-16 05:12:10,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 05:12:10,364 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-16 05:12:10,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 05:12:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-16 05:12:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-16 05:12:10,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 05:12:10,365 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 05:12:10,380 INFO L552 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 (4)] Ended with exit code 0 [2024-11-16 05:12:10,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-16 05:12:10,570 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 05:12:10,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 05:12:10,571 INFO L85 PathProgramCache]: Analyzing trace with hash -67091821, now seen corresponding path program 1 times [2024-11-16 05:12:10,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 05:12:10,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063100870] [2024-11-16 05:12:10,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 05:12:10,572 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 [2024-11-16 05:12:10,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 05:12:10,574 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-16 05:12:10,575 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 (5)] Waiting until timeout for monitored process [2024-11-16 05:12:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:12:10,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 05:12:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 05:12:11,293 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-16 05:12:11,294 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 05:12:11,294 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 05:12:11,318 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 (5)] Forceful destruction successful, exit code 0 [2024-11-16 05:12:11,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-11-16 05:12:11,507 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 05:12:11,549 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 05:12:11,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:12:11 BoogieIcfgContainer [2024-11-16 05:12:11,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 05:12:11,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 05:12:11,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 05:12:11,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 05:12:11,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:12:05" (3/4) ... [2024-11-16 05:12:11,557 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-16 05:12:11,609 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 05:12:11,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 05:12:11,610 INFO L158 Benchmark]: Toolchain (without parser) took 8626.23ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 25.6MB in the beginning and 34.4MB in the end (delta: -8.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-16 05:12:11,611 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 39.8MB. Free memory was 20.7MB in the beginning and 20.7MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:12:11,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.60ms. Allocated memory is still 56.6MB. Free memory was 25.3MB in the beginning and 24.6MB in the end (delta: 755.6kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-16 05:12:11,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.94ms. Allocated memory is still 56.6MB. Free memory was 24.6MB in the beginning and 36.2MB in the end (delta: -11.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-11-16 05:12:11,614 INFO L158 Benchmark]: Boogie Preprocessor took 85.93ms. Allocated memory is still 56.6MB. Free memory was 36.2MB in the beginning and 32.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:12:11,614 INFO L158 Benchmark]: IcfgBuilder took 2113.43ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 32.3MB in the beginning and 35.5MB in the end (delta: -3.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-16 05:12:11,614 INFO L158 Benchmark]: TraceAbstraction took 5943.67ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 37.0MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 05:12:11,615 INFO L158 Benchmark]: Witness Printer took 54.66ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 34.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 05:12:11,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 39.8MB. Free memory was 20.7MB in the beginning and 20.7MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.60ms. Allocated memory is still 56.6MB. Free memory was 25.3MB in the beginning and 24.6MB in the end (delta: 755.6kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.94ms. Allocated memory is still 56.6MB. Free memory was 24.6MB in the beginning and 36.2MB in the end (delta: -11.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.93ms. Allocated memory is still 56.6MB. Free memory was 36.2MB in the beginning and 32.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 2113.43ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 32.3MB in the beginning and 35.5MB in the end (delta: -3.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5943.67ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 37.0MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.66ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 34.4MB in the end (delta: 2.6MB). 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 - CounterExampleResult [Line: 124]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] static const double one_modf = 1.0; VAL [one_modf=1.0] [L118] double x = 0.0 / 0.0; [L119] double iptr; [L120] CALL, EXPR modf_double(x, &iptr) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [iptr={-2147483645:0}, one_modf=1.0, x=NaN] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L29] COND FALSE !(0) VAL [i0=2146959360, i1=0, iptr={-2147483645:0}, one_modf=1.0, x=NaN] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [i0=2146959360, i1=0, iptr={-2147483645:0}, j0=1024, one_modf=1.0, x=NaN] [L31] COND FALSE !(j0 < 20) VAL [one_modf=1.0] [L67] COND TRUE j0 > 51 [L68] __uint32_t high; [L69] *iptr = x * one_modf VAL [one_modf=1.0] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (high) = gh_u.parts.msw [L74] COND FALSE !(0) VAL [high=2146959360, i0=2146959360, i1=0, one_modf=1.0, x=NaN] [L76] ieee_double_shape_type iw_u; [L77] iw_u.parts.msw = (high & 0x80000000) [L78] iw_u.parts.lsw = (0) [L79] EXPR iw_u.value [L79] (x) = iw_u.value [L80] COND FALSE !(0) VAL [high=2146959360, i0=2146959360, i1=0, one_modf=1.0, x=0.0] [L81] return x; VAL [\result=0.0, high=2146959360, i0=2146959360, i1=0, one_modf=1.0] [L120] RET, EXPR modf_double(x, &iptr) [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [one_modf=1.0] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=NaN, one_modf=1.0] [L17] return x != x; VAL [\old(x)=NaN, \result=1, one_modf=1.0] [L123] RET, EXPR isnan_double(iptr) VAL [one_modf=1.0, res=0.0] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1.0, res=0.0] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=0.0, one_modf=1.0] [L17] return x != x; VAL [\old(x)=0.0, \result=0, one_modf=1.0] [L123] RET, EXPR isnan_double(res) VAL [one_modf=1.0, res=0.0] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1.0, res=0.0] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1.0, res=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 100 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 4 QuantifiedInterpolants, 118 SizeOfPredicates, 5 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-16 05:12:11,668 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 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE