./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 61a67961 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-wip.fs.cvc5-61a6796-m [2024-10-14 00:42:57,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:42:57,143 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 00:42:57,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:42:57,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:42:57,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:42:57,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:42:57,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:42:57,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:42:57,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:42:57,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:42:57,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:42:57,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:42:57,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:42:57,182 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:42:57,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:42:57,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:42:57,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:42:57,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 00:42:57,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:42:57,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:42:57,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:42:57,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:42:57,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:42:57,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:42:57,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:42:57,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:42:57,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:42:57,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:42:57,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:42:57,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:42:57,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:42:57,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:42:57,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:42:57,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:42:57,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:42:57,195 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 00:42:57,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 00:42:57,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:42:57,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:42:57,197 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:42:57,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:42:57,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b54c6a24c7834c05e2221d759ec8f9e3812bd18d8b6db36bcc9d2c0f76c5ecf [2024-10-14 00:42:57,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:42:57,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:42:57,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:42:57,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:42:57,485 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:42:57,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2024-10-14 00:42:59,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:42:59,210 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:42:59,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2024-10-14 00:42:59,222 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7093be16/4bfb346cf3284b1fa528d9f1c6f57a29/FLAG6fb9cc081 [2024-10-14 00:42:59,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7093be16/4bfb346cf3284b1fa528d9f1c6f57a29 [2024-10-14 00:42:59,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:42:59,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:42:59,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:42:59,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:42:59,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:42:59,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e517c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59, skipping insertion in model container [2024-10-14 00:42:59,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:42:59,491 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] [2024-10-14 00:42:59,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:42:59,506 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:42:59,582 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] [2024-10-14 00:42:59,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:42:59,614 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:42:59,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59 WrapperNode [2024-10-14 00:42:59,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:42:59,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:42:59,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:42:59,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:42:59,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,691 INFO L138 Inliner]: procedures = 20, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 336 [2024-10-14 00:42:59,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:42:59,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:42:59,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:42:59,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:42:59,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,774 INFO L175 MemorySlicer]: Split 60 memory accesses to 13 slices as follows [2, 3, 2, 7, 7, 3, 22, 2, 3, 3, 2, 2, 2]. 37 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 4, 0, 11, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [0, 1, 1, 0, 0, 1, 0, 1, 2, 2, 1, 1, 1]. [2024-10-14 00:42:59,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:42:59,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:42:59,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:42:59,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:42:59,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (1/1) ... [2024-10-14 00:42:59,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:42:59,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:42:59,891 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) [2024-10-14 00:42:59,895 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 [2024-10-14 00:42:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:42:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 00:42:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 00:42:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 00:42:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 00:42:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 00:42:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 00:42:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 00:42:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 00:42:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 00:42:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 00:42:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 00:42:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 00:42:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 00:42:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:42:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 00:42:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 00:42:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-14 00:42:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-14 00:42:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-14 00:42:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-14 00:42:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-14 00:42:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-14 00:42:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-14 00:42:59,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-14 00:42:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-14 00:42:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-14 00:42:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-14 00:42:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 00:42:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 00:42:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 00:42:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 00:42:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 00:42:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 00:42:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 00:42:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 00:42:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 00:42:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 00:42:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 00:42:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 00:42:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 00:42:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-14 00:42:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-14 00:42:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 00:42:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 00:42:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-14 00:42:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-14 00:42:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-14 00:42:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-14 00:42:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-14 00:42:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-14 00:42:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-14 00:42:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-14 00:42:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-14 00:42:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-14 00:42:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-14 00:42:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-14 00:42:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-14 00:42:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:42:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:42:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 00:42:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 00:42:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 00:42:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 00:42:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 00:42:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 00:42:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 00:42:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 00:42:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 00:42:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 00:42:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 00:42:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 00:42:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 00:42:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-14 00:42:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-14 00:42:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-14 00:42:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-14 00:42:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-14 00:42:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-14 00:42:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-14 00:42:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-14 00:42:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-14 00:42:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-14 00:42:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-14 00:42:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-14 00:42:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-14 00:42:59,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:43:00,175 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:43:00,177 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:43:00,759 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-10-14 00:43:00,759 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:43:00,797 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:43:00,797 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-14 00:43:00,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:00 BoogieIcfgContainer [2024-10-14 00:43:00,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:43:00,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:43:00,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:43:00,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:43:00,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:42:59" (1/3) ... [2024-10-14 00:43:00,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e4eb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:00, skipping insertion in model container [2024-10-14 00:43:00,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:42:59" (2/3) ... [2024-10-14 00:43:00,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e4eb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:00, skipping insertion in model container [2024-10-14 00:43:00,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:00" (3/3) ... [2024-10-14 00:43:00,806 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2024-10-14 00:43:00,822 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:43:00,822 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:43:00,927 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:43:00,934 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;@1a355fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:43:00,935 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:43:00,939 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) [2024-10-14 00:43:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 00:43:00,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:43:00,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:43:00,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:43:00,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:43:00,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1555655728, now seen corresponding path program 1 times [2024-10-14 00:43:00,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:43:00,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010962181] [2024-10-14 00:43:00,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:43:00,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:43:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:43:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:43:01,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:43:01,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010962181] [2024-10-14 00:43:01,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010962181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:43:01,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:43:01,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:43:01,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478025801] [2024-10-14 00:43:01,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:43:01,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:43:01,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:43:01,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:43:01,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:43:01,236 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) [2024-10-14 00:43:01,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:43:01,298 INFO L93 Difference]: Finished difference Result 230 states and 385 transitions. [2024-10-14 00:43:01,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:43:01,301 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 [2024-10-14 00:43:01,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:43:01,313 INFO L225 Difference]: With dead ends: 230 [2024-10-14 00:43:01,314 INFO L226 Difference]: Without dead ends: 113 [2024-10-14 00:43:01,319 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 [2024-10-14 00:43:01,327 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 [2024-10-14 00:43:01,328 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] [2024-10-14 00:43:01,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-14 00:43:01,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-14 00:43:01,394 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) [2024-10-14 00:43:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 169 transitions. [2024-10-14 00:43:01,399 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 169 transitions. Word has length 15 [2024-10-14 00:43:01,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:43:01,400 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 169 transitions. [2024-10-14 00:43:01,400 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) [2024-10-14 00:43:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 169 transitions. [2024-10-14 00:43:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 00:43:01,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:43:01,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:43:01,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 00:43:01,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:43:01,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:43:01,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1124571257, now seen corresponding path program 1 times [2024-10-14 00:43:01,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:43:01,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607889969] [2024-10-14 00:43:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:43:01,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:43:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:43:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:43:01,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:43:01,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607889969] [2024-10-14 00:43:01,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607889969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:43:01,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:43:01,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 00:43:01,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167595176] [2024-10-14 00:43:01,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:43:01,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 00:43:01,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:43:01,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 00:43:01,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 00:43:01,914 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) [2024-10-14 00:43:02,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:43:02,010 INFO L93 Difference]: Finished difference Result 205 states and 309 transitions. [2024-10-14 00:43:02,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 00:43:02,011 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 [2024-10-14 00:43:02,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:43:02,013 INFO L225 Difference]: With dead ends: 205 [2024-10-14 00:43:02,015 INFO L226 Difference]: Without dead ends: 115 [2024-10-14 00:43:02,016 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 [2024-10-14 00:43:02,017 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 [2024-10-14 00:43:02,019 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] [2024-10-14 00:43:02,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-14 00:43:02,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-14 00:43:02,039 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) [2024-10-14 00:43:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2024-10-14 00:43:02,041 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 17 [2024-10-14 00:43:02,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:43:02,041 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2024-10-14 00:43:02,041 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) [2024-10-14 00:43:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-10-14 00:43:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 00:43:02,044 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:43:02,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:43:02,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 00:43:02,045 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:43:02,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:43:02,048 INFO L85 PathProgramCache]: Analyzing trace with hash 586837705, now seen corresponding path program 1 times [2024-10-14 00:43:02,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:43:02,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545903914] [2024-10-14 00:43:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:43:02,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:43:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:43:02,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 00:43:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:43:02,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 00:43:02,207 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 00:43:02,209 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 00:43:02,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 00:43:02,218 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 00:43:02,251 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) [2024-10-14 00:43:02,257 INFO L158 Benchmark]: Toolchain (without parser) took 3014.92ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 118.1MB in the beginning and 151.5MB in the end (delta: -33.4MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-10-14 00:43:02,257 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:43:02,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.25ms. Allocated memory is still 176.2MB. Free memory was 118.1MB in the beginning and 102.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 00:43:02,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.32ms. Allocated memory is still 176.2MB. Free memory was 102.0MB in the beginning and 99.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 00:43:02,258 INFO L158 Benchmark]: Boogie Preprocessor took 146.02ms. Allocated memory is still 176.2MB. Free memory was 99.2MB in the beginning and 93.6MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 00:43:02,259 INFO L158 Benchmark]: RCFGBuilder took 954.52ms. Allocated memory is still 176.2MB. Free memory was 93.6MB in the beginning and 51.0MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-14 00:43:02,263 INFO L158 Benchmark]: TraceAbstraction took 1456.53ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 50.3MB in the beginning and 151.5MB in the end (delta: -101.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:43:02,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.25ms. Allocated memory is still 176.2MB. Free memory was 118.1MB in the beginning and 102.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.32ms. Allocated memory is still 176.2MB. Free memory was 102.0MB in the beginning and 99.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.02ms. Allocated memory is still 176.2MB. Free memory was 99.2MB in the beginning and 93.6MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 954.52ms. Allocated memory is still 176.2MB. Free memory was 93.6MB in the beginning and 51.0MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1456.53ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 50.3MB in the beginning and 151.5MB in the end (delta: -101.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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. [2024-10-14 00:43:02,305 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-wip.fs.cvc5-61a6796-m [2024-10-14 00:43:04,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:43:04,771 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 00:43:04,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:43:04,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:43:04,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:43:04,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:43:04,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:43:04,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:43:04,827 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:43:04,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:43:04,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:43:04,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:43:04,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:43:04,829 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:43:04,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:43:04,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:43:04,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:43:04,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:43:04,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:43:04,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:43:04,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:43:04,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:43:04,839 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 00:43:04,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 00:43:04,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:43:04,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 00:43:04,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:43:04,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:43:04,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:43:04,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:43:04,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:43:04,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:43:04,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:43:04,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:43:04,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:43:04,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:43:04,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:43:04,842 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 00:43:04,844 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 00:43:04,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:43:04,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:43:04,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:43:04,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:43:04,845 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 00:43:04,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b54c6a24c7834c05e2221d759ec8f9e3812bd18d8b6db36bcc9d2c0f76c5ecf [2024-10-14 00:43:05,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:43:05,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:43:05,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:43:05,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:43:05,220 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:43:05,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2024-10-14 00:43:06,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:43:07,119 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:43:07,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661b.c [2024-10-14 00:43:07,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97dfb2fc1/a77bfac46973404593018d02c1637ce5/FLAG2adbe27c5 [2024-10-14 00:43:07,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97dfb2fc1/a77bfac46973404593018d02c1637ce5 [2024-10-14 00:43:07,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:43:07,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:43:07,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:43:07,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:43:07,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:43:07,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:07,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6770f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07, skipping insertion in model container [2024-10-14 00:43:07,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:07,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:43:07,783 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] [2024-10-14 00:43:07,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:43:07,812 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:43:07,885 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] [2024-10-14 00:43:07,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:43:07,917 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:43:07,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07 WrapperNode [2024-10-14 00:43:07,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:43:07,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:43:07,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:43:07,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:43:07,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:07,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:07,991 INFO L138 Inliner]: procedures = 23, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 252 [2024-10-14 00:43:07,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:43:07,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:43:07,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:43:07,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:43:08,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,054 INFO L175 MemorySlicer]: Split 60 memory accesses to 13 slices as follows [2, 2, 7, 7, 22, 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, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 1]. [2024-10-14 00:43:08,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:43:08,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:43:08,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:43:08,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:43:08,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (1/1) ... [2024-10-14 00:43:08,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:43:08,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:43:08,167 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) [2024-10-14 00:43:08,174 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 [2024-10-14 00:43:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:43:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-14 00:43:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-14 00:43:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-14 00:43:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-14 00:43:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-14 00:43:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-14 00:43:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-14 00:43:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-14 00:43:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-14 00:43:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-14 00:43:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-14 00:43:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-14 00:43:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-14 00:43:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-14 00:43:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-14 00:43:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-14 00:43:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-14 00:43:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-14 00:43:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-14 00:43:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-14 00:43:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-14 00:43:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-14 00:43:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-14 00:43:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-14 00:43:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-14 00:43:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-14 00:43:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-14 00:43:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-14 00:43:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-14 00:43:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-14 00:43:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:43:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-14 00:43:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-14 00:43:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-14 00:43:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-14 00:43:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-14 00:43:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-14 00:43:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-14 00:43:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 00:43:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 00:43:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-14 00:43:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-14 00:43:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-14 00:43:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-14 00:43:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-14 00:43:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-14 00:43:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-14 00:43:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:43:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-14 00:43:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-14 00:43:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-14 00:43:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-14 00:43:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-14 00:43:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-14 00:43:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-14 00:43:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-14 00:43:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-14 00:43:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:43:08,443 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:43:08,445 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:43:48,077 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-10-14 00:43:48,078 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:43:48,127 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:43:48,128 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-14 00:43:48,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:48 BoogieIcfgContainer [2024-10-14 00:43:48,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:43:48,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:43:48,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:43:48,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:43:48,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:43:07" (1/3) ... [2024-10-14 00:43:48,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afd2500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:48, skipping insertion in model container [2024-10-14 00:43:48,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:43:07" (2/3) ... [2024-10-14 00:43:48,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afd2500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:43:48, skipping insertion in model container [2024-10-14 00:43:48,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:43:48" (3/3) ... [2024-10-14 00:43:48,143 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661b.c [2024-10-14 00:43:48,163 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:43:48,163 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:43:48,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:43:48,231 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;@76dd4543, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:43:48,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:43:48,236 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) [2024-10-14 00:43:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 00:43:48,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:43:48,245 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:43:48,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:43:48,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:43:48,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1082387666, now seen corresponding path program 1 times [2024-10-14 00:43:48,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:43:48,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569491279] [2024-10-14 00:43:48,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:43:48,270 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 [2024-10-14 00:43:48,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:43:48,274 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) [2024-10-14 00:43:48,275 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 [2024-10-14 00:43:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:43:48,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 00:43:48,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:43:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:43:48,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:43:48,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:43:48,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569491279] [2024-10-14 00:43:48,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569491279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:43:48,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:43:48,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:43:48,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191854755] [2024-10-14 00:43:48,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:43:48,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:43:48,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:43:48,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:43:48,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:43:48,680 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) [2024-10-14 00:43:49,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:43:49,344 INFO L93 Difference]: Finished difference Result 168 states and 285 transitions. [2024-10-14 00:43:49,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:43:49,348 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 [2024-10-14 00:43:49,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:43:49,357 INFO L225 Difference]: With dead ends: 168 [2024-10-14 00:43:49,358 INFO L226 Difference]: Without dead ends: 82 [2024-10-14 00:43:49,361 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 [2024-10-14 00:43:49,367 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 00:43:49,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 00:43:49,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-14 00:43:49,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-14 00:43:49,415 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) [2024-10-14 00:43:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2024-10-14 00:43:49,422 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 119 transitions. Word has length 11 [2024-10-14 00:43:49,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:43:49,422 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 119 transitions. [2024-10-14 00:43:49,422 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) [2024-10-14 00:43:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2024-10-14 00:43:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 00:43:49,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:43:49,423 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:43:49,438 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 [2024-10-14 00:43:49,627 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 [2024-10-14 00:43:49,628 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:43:49,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:43:49,629 INFO L85 PathProgramCache]: Analyzing trace with hash 2085481801, now seen corresponding path program 1 times [2024-10-14 00:43:49,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:43:49,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710036206] [2024-10-14 00:43:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:43:49,631 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 [2024-10-14 00:43:49,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:43:49,634 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) [2024-10-14 00:43:49,636 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 [2024-10-14 00:43:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:43:50,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 00:43:50,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:44:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:44:05,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:44:05,126 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:44:05,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710036206] [2024-10-14 00:44:05,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710036206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:05,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:05,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 00:44:05,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113720140] [2024-10-14 00:44:05,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:05,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 00:44:05,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:44:05,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 00:44:05,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2024-10-14 00:44:05,130 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) [2024-10-14 00:44:09,629 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] [2024-10-14 00:44:13,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:44:17,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]