./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.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 5b54c6a24c7834c05e2221d759ec8f9e3812bd18d8b6db36bcc9d2c0f76c5ecf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:15:19,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:15:20,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 17:15:20,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:15:20,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:15:20,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:15:20,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:15:20,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:15:20,114 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:15:20,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:15:20,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:15:20,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:15:20,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:15:20,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:15:20,119 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:15:20,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:15:20,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:15:20,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:15:20,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 17:15:20,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:15:20,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:15:20,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:15:20,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:15:20,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:15:20,124 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:15:20,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:15:20,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:15:20,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:15:20,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:15:20,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:15:20,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:15:20,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:15:20,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:20,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:15:20,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:15:20,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:15:20,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 17:15:20,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 17:15:20,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:15:20,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:15:20,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:15:20,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:15:20,131 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b54c6a24c7834c05e2221d759ec8f9e3812bd18d8b6db36bcc9d2c0f76c5ecf [2024-10-12 17:15:20,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:15:20,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:15:20,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:15:20,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:15:20,423 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:15:20,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2024-10-12 17:15:21,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:15:22,085 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:15:22,086 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2024-10-12 17:15:22,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/926f1682a/cf92007577c145aba282f1b46adda19b/FLAGf3266e87e [2024-10-12 17:15:22,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/926f1682a/cf92007577c145aba282f1b46adda19b [2024-10-12 17:15:22,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:15:22,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:15:22,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:15:22,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:15:22,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:15:22,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d63df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22, skipping insertion in model container [2024-10-12 17:15:22,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:15:22,458 WARN L248 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_0661b.c[6444,6457] [2024-10-12 17:15:22,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:15:22,476 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:15:22,534 WARN L248 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_0661b.c[6444,6457] [2024-10-12 17:15:22,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:15:22,562 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:15:22,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22 WrapperNode [2024-10-12 17:15:22,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:15:22,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:15:22,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:15:22,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:15:22,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,619 INFO L138 Inliner]: procedures = 20, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 336 [2024-10-12 17:15:22,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:15:22,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:15:22,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:15:22,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:15:22,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,669 INFO L175 MemorySlicer]: Split 60 memory accesses to 13 slices as follows [2, 2, 7, 7, 22, 3, 2, 3, 3, 2, 2, 3, 2]. 37 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [0, 1, 0, 0, 0, 2, 1, 1, 1, 1, 1, 2, 1]. [2024-10-12 17:15:22,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:15:22,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:15:22,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:15:22,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:15:22,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (1/1) ... [2024-10-12 17:15:22,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:22,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:15:22,764 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) [2024-10-12 17:15:22,767 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 [2024-10-12 17:15:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:15:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 17:15:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 17:15:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 17:15:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 17:15:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 17:15:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 17:15:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 17:15:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-12 17:15:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-12 17:15:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-12 17:15:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-12 17:15:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-12 17:15:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-12 17:15:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:15:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-12 17:15:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-12 17:15:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-12 17:15:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-12 17:15:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-12 17:15:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-12 17:15:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-12 17:15:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-12 17:15:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-12 17:15:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-12 17:15:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-12 17:15:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-12 17:15:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-12 17:15:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 17:15:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 17:15:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 17:15:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 17:15:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 17:15:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 17:15:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 17:15:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-12 17:15:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-12 17:15:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-12 17:15:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-12 17:15:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-12 17:15:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-12 17:15:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-12 17:15:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-12 17:15:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-12 17:15:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-12 17:15:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-12 17:15:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-12 17:15:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-12 17:15:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-12 17:15:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-12 17:15:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-12 17:15:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-12 17:15:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-12 17:15:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-12 17:15:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-12 17:15:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-12 17:15:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-12 17:15:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-12 17:15:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:15:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:15:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 17:15:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 17:15:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 17:15:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 17:15:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 17:15:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 17:15:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 17:15:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-12 17:15:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-12 17:15:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-12 17:15:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-12 17:15:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-12 17:15:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-12 17:15:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-12 17:15:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-12 17:15:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-12 17:15:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-12 17:15:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:15:23,051 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:15:23,054 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:15:23,699 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-10-12 17:15:23,699 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:15:23,733 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:15:23,733 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-12 17:15:23,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:15:23 BoogieIcfgContainer [2024-10-12 17:15:23,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:15:23,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:15:23,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:15:23,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:15:23,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:15:22" (1/3) ... [2024-10-12 17:15:23,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5e1180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:15:23, skipping insertion in model container [2024-10-12 17:15:23,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:22" (2/3) ... [2024-10-12 17:15:23,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5e1180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:15:23, skipping insertion in model container [2024-10-12 17:15:23,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:15:23" (3/3) ... [2024-10-12 17:15:23,747 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2024-10-12 17:15:23,767 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:15:23,767 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:15:23,859 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:15:23,872 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;@56d50c82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:15:23,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:15:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 108 states have (on average 1.7037037037037037) internal successors, (184), 109 states have internal predecessors, (184), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:15:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-12 17:15:23,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:15:23,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:15:23,891 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:15:23,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:15:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1555655728, now seen corresponding path program 1 times [2024-10-12 17:15:23,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:15:23,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845047875] [2024-10-12 17:15:23,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:15:23,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:15:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:15:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:15:24,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:15:24,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845047875] [2024-10-12 17:15:24,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845047875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:15:24,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:15:24,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:15:24,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023261620] [2024-10-12 17:15:24,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:15:24,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:15:24,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:15:24,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:15:24,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:15:24,177 INFO L87 Difference]: Start difference. First operand has 116 states, 108 states have (on average 1.7037037037037037) internal successors, (184), 109 states have internal predecessors, (184), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:15:24,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:15:24,237 INFO L93 Difference]: Finished difference Result 230 states and 385 transitions. [2024-10-12 17:15:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:15:24,241 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-12 17:15:24,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:15:24,250 INFO L225 Difference]: With dead ends: 230 [2024-10-12 17:15:24,251 INFO L226 Difference]: Without dead ends: 113 [2024-10-12 17:15:24,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:15:24,260 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 17:15:24,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 17:15:24,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-12 17:15:24,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-12 17:15:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 106 states have (on average 1.5188679245283019) internal successors, (161), 106 states have internal predecessors, (161), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:15:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 169 transitions. [2024-10-12 17:15:24,360 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 169 transitions. Word has length 15 [2024-10-12 17:15:24,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:15:24,360 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 169 transitions. [2024-10-12 17:15:24,360 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:15:24,360 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 169 transitions. [2024-10-12 17:15:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-12 17:15:24,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:15:24,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:15:24,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 17:15:24,362 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:15:24,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:15:24,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1124571257, now seen corresponding path program 1 times [2024-10-12 17:15:24,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:15:24,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321052039] [2024-10-12 17:15:24,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:15:24,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:15:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:15:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:15:24,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:15:24,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321052039] [2024-10-12 17:15:24,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321052039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:15:24,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:15:24,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:15:24,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433075628] [2024-10-12 17:15:24,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:15:24,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 17:15:24,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:15:24,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 17:15:24,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 17:15:24,829 INFO L87 Difference]: Start difference. First operand 113 states and 169 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:15:24,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:15:24,910 INFO L93 Difference]: Finished difference Result 205 states and 309 transitions. [2024-10-12 17:15:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 17:15:24,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-12 17:15:24,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:15:24,914 INFO L225 Difference]: With dead ends: 205 [2024-10-12 17:15:24,914 INFO L226 Difference]: Without dead ends: 115 [2024-10-12 17:15:24,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 17:15:24,917 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 17:15:24,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 467 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 17:15:24,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-12 17:15:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-12 17:15:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 108 states have (on average 1.5092592592592593) internal successors, (163), 108 states have internal predecessors, (163), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:15:24,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2024-10-12 17:15:24,936 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 17 [2024-10-12 17:15:24,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:15:24,937 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2024-10-12 17:15:24,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:15:24,938 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-10-12 17:15:24,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-12 17:15:24,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:15:24,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:15:24,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 17:15:24,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:15:24,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:15:24,939 INFO L85 PathProgramCache]: Analyzing trace with hash 586837705, now seen corresponding path program 1 times [2024-10-12 17:15:24,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:15:24,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024394180] [2024-10-12 17:15:24,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:15:24,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:15:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:15:24,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 17:15:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:15:25,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 17:15:25,074 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 17:15:25,075 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 17:15:25,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 17:15:25,080 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-12 17:15:25,113 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:936) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:941) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionForProgramState(CACSL2BoogieBacktranslator.java:930) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:613) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:593) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:236) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:223) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateProgramExecution(BacktranslationService.java:72) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.(UnprovableResult.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportUnproveableResult(CegarLoopResultReporter.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCounterexampleResult(CegarLoopResultReporter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCegarLoopResult(CegarLoopResultReporter.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-12 17:15:25,118 INFO L158 Benchmark]: Toolchain (without parser) took 3002.05ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 72.7MB in the beginning and 105.7MB in the end (delta: -33.0MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,121 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:15:25,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.73ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 72.5MB in the beginning and 160.8MB in the end (delta: -88.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.14ms. Allocated memory is still 195.0MB. Free memory was 160.8MB in the beginning and 157.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,122 INFO L158 Benchmark]: Boogie Preprocessor took 102.26ms. Allocated memory is still 195.0MB. Free memory was 157.6MB in the beginning and 152.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,123 INFO L158 Benchmark]: RCFGBuilder took 1010.06ms. Allocated memory is still 195.0MB. Free memory was 152.4MB in the beginning and 109.4MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,123 INFO L158 Benchmark]: TraceAbstraction took 1380.36ms. Allocated memory is still 195.0MB. Free memory was 108.3MB in the beginning and 105.7MB in the end (delta: 2.6MB). Peak memory consumption was 522.1kB. Max. memory is 16.1GB. [2024-10-12 17:15:25,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.73ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 72.5MB in the beginning and 160.8MB in the end (delta: -88.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.14ms. Allocated memory is still 195.0MB. Free memory was 160.8MB in the beginning and 157.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.26ms. Allocated memory is still 195.0MB. Free memory was 157.6MB in the beginning and 152.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.06ms. Allocated memory is still 195.0MB. Free memory was 152.4MB in the beginning and 109.4MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1380.36ms. Allocated memory is still 195.0MB. Free memory was 108.3MB in the beginning and 105.7MB in the end (delta: 2.6MB). Peak memory consumption was 522.1kB. 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 - ExceptionOrErrorResult: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it.: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-12 17:15:25,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.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 5b54c6a24c7834c05e2221d759ec8f9e3812bd18d8b6db36bcc9d2c0f76c5ecf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:15:27,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:15:27,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-12 17:15:27,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:15:27,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:15:27,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:15:27,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:15:27,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:15:27,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:15:27,583 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:15:27,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:15:27,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:15:27,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:15:27,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:15:27,585 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:15:27,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:15:27,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:15:27,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:15:27,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:15:27,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:15:27,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:15:27,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:15:27,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:15:27,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 17:15:27,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 17:15:27,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:15:27,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 17:15:27,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:15:27,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:15:27,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:15:27,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:15:27,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:15:27,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:15:27,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:15:27,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:27,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:15:27,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:15:27,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:15:27,608 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 17:15:27,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 17:15:27,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:15:27,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:15:27,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:15:27,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:15:27,610 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 17:15:27,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b54c6a24c7834c05e2221d759ec8f9e3812bd18d8b6db36bcc9d2c0f76c5ecf [2024-10-12 17:15:27,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:15:28,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:15:28,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:15:28,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:15:28,024 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:15:28,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2024-10-12 17:15:29,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:15:29,909 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:15:29,910 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2024-10-12 17:15:29,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b428c4bef/ef33de4cd0244e4397e36fbc2359487c/FLAGdcc9c0464 [2024-10-12 17:15:29,933 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b428c4bef/ef33de4cd0244e4397e36fbc2359487c [2024-10-12 17:15:29,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:15:29,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:15:29,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:15:29,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:15:29,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:15:29,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:15:29" (1/1) ... [2024-10-12 17:15:29,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6156e42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:29, skipping insertion in model container [2024-10-12 17:15:29,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:15:29" (1/1) ... [2024-10-12 17:15:29,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:15:30,258 WARN L248 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_0661b.c[6444,6457] [2024-10-12 17:15:30,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:15:30,287 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:15:30,363 WARN L248 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_0661b.c[6444,6457] [2024-10-12 17:15:30,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:15:30,403 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:15:30,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30 WrapperNode [2024-10-12 17:15:30,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:15:30,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:15:30,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:15:30,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:15:30,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,477 INFO L138 Inliner]: procedures = 23, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 252 [2024-10-12 17:15:30,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:15:30,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:15:30,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:15:30,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:15:30,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,548 INFO L175 MemorySlicer]: Split 60 memory accesses to 13 slices as follows [2, 7, 7, 22, 2, 2, 3, 3, 2, 2, 3, 3, 2]. 37 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 1]. [2024-10-12 17:15:30,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:15:30,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:15:30,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:15:30,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:15:30,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:30,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:15:30,663 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) [2024-10-12 17:15:30,666 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 [2024-10-12 17:15:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:15:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-12 17:15:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-12 17:15:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-12 17:15:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-12 17:15:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-12 17:15:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-12 17:15:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-12 17:15:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-12 17:15:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-12 17:15:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-12 17:15:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-12 17:15:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-12 17:15:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-12 17:15:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-12 17:15:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-12 17:15:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-12 17:15:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-12 17:15:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-12 17:15:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-12 17:15:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-12 17:15:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-12 17:15:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-12 17:15:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-12 17:15:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-12 17:15:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-12 17:15:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-12 17:15:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 17:15:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-12 17:15:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-12 17:15:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-12 17:15:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-12 17:15:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-12 17:15:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-12 17:15:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-12 17:15:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-12 17:15:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-12 17:15:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-12 17:15:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-12 17:15:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-12 17:15:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:15:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-12 17:15:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-12 17:15:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-12 17:15:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-12 17:15:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-12 17:15:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-12 17:15:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-12 17:15:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-12 17:15:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-12 17:15:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-12 17:15:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-12 17:15:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-12 17:15:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-12 17:15:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:15:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-12 17:15:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-12 17:15:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:15:30,938 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:15:30,939 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:16:11,454 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-10-12 17:16:11,454 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:16:11,505 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:16:11,505 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-12 17:16:11,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:16:11 BoogieIcfgContainer [2024-10-12 17:16:11,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:16:11,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:16:11,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:16:11,513 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:16:11,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:15:29" (1/3) ... [2024-10-12 17:16:11,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee7629a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:16:11, skipping insertion in model container [2024-10-12 17:16:11,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (2/3) ... [2024-10-12 17:16:11,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee7629a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:16:11, skipping insertion in model container [2024-10-12 17:16:11,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:16:11" (3/3) ... [2024-10-12 17:16:11,519 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2024-10-12 17:16:11,537 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:16:11,537 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:16:11,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:16:11,615 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;@37967e91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:16:11,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:16:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 77 states have (on average 1.7402597402597402) internal successors, (134), 78 states have internal predecessors, (134), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:16:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-12 17:16:11,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:11,629 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:11,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:11,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:11,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1082387666, now seen corresponding path program 1 times [2024-10-12 17:16:11,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:16:11,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590455083] [2024-10-12 17:16:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:11,651 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 [2024-10-12 17:16:11,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:16:11,654 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) [2024-10-12 17:16:11,656 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 [2024-10-12 17:16:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:12,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 17:16:12,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:16:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:16:12,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:16:12,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:16:12,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590455083] [2024-10-12 17:16:12,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590455083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:16:12,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:16:12,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:16:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806284167] [2024-10-12 17:16:12,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:16:12,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:16:12,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:16:12,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:16:12,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:16:12,113 INFO L87 Difference]: Start difference. First operand has 85 states, 77 states have (on average 1.7402597402597402) internal successors, (134), 78 states have internal predecessors, (134), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:16:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:16:12,858 INFO L93 Difference]: Finished difference Result 168 states and 285 transitions. [2024-10-12 17:16:12,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:16:12,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-12 17:16:12,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:16:12,867 INFO L225 Difference]: With dead ends: 168 [2024-10-12 17:16:12,867 INFO L226 Difference]: Without dead ends: 82 [2024-10-12 17:16:12,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:16:12,873 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 17:16:12,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 17:16:12,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-12 17:16:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-12 17:16:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.48) internal successors, (111), 75 states have internal predecessors, (111), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 17:16:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2024-10-12 17:16:12,918 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 119 transitions. Word has length 11 [2024-10-12 17:16:12,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:16:12,918 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 119 transitions. [2024-10-12 17:16:12,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:16:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2024-10-12 17:16:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-12 17:16:12,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:12,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:12,933 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 [2024-10-12 17:16:13,120 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 [2024-10-12 17:16:13,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:13,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:13,122 INFO L85 PathProgramCache]: Analyzing trace with hash 2085481801, now seen corresponding path program 1 times [2024-10-12 17:16:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:16:13,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286341357] [2024-10-12 17:16:13,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:13,123 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 [2024-10-12 17:16:13,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:16:13,125 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) [2024-10-12 17:16:13,126 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 [2024-10-12 17:16:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:13,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-12 17:16:13,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:16:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:16:26,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:16:26,448 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:16:26,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286341357] [2024-10-12 17:16:26,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286341357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:16:26,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:16:26,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 17:16:26,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506012106] [2024-10-12 17:16:26,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:16:26,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 17:16:26,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:16:26,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 17:16:26,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2024-10-12 17:16:26,452 INFO L87 Difference]: Start difference. First operand 82 states and 119 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:16:29,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-12 17:16:40,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-12 17:16:44,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-12 17:16:48,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-12 17:16:52,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]