./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/float_req_bl_1271b.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/float_req_bl_1271b.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 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:59:16,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:59:16,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 00:59:16,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:59:16,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:59:16,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:59:16,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:59:16,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:59:16,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:59:16,229 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:59:16,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:59:16,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:59:16,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:59:16,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:59:16,232 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:59:16,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:59:16,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:59:16,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:59:16,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 00:59:16,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:59:16,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:59:16,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:59:16,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:59:16,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:59:16,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:59:16,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:59:16,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:59:16,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:59:16,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:59:16,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:59:16,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:59:16,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:59:16,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:59:16,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:59:16,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:59:16,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:59:16,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 00:59:16,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 00:59:16,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:59:16,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:59:16,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:59:16,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:59:16,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 [2024-10-14 00:59:16,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:59:16,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:59:16,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:59:16,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:59:16,522 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:59:16,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2024-10-14 00:59:17,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:59:18,151 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:59:18,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2024-10-14 00:59:18,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093f8f4fb/b0dc490a3e824d79b8b0612680441eeb/FLAG4e6d379bc [2024-10-14 00:59:18,538 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093f8f4fb/b0dc490a3e824d79b8b0612680441eeb [2024-10-14 00:59:18,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:59:18,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:59:18,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:59:18,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:59:18,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:59:18,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:18,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471b500b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18, skipping insertion in model container [2024-10-14 00:59:18,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:18,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:59:18,813 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/float_req_bl_1271b.c[4883,4896] [2024-10-14 00:59:18,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:59:18,831 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:59:18,890 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/float_req_bl_1271b.c[4883,4896] [2024-10-14 00:59:18,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:59:18,913 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:59:18,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18 WrapperNode [2024-10-14 00:59:18,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:59:18,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:59:18,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:59:18,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:59:18,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:18,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:18,974 INFO L138 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 277 [2024-10-14 00:59:18,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:59:18,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:59:18,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:59:18,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:59:18,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:18,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,002 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,036 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-10-14 00:59:19,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:59:19,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:59:19,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:59:19,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:59:19,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (1/1) ... [2024-10-14 00:59:19,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:59:19,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:59:19,127 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 00:59:19,129 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 00:59:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:59:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 00:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 00:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 00:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 00:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 00:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 00:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 00:59:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 00:59:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 00:59:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 00:59:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 00:59:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 00:59:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 00:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 00:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 00:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-14 00:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-14 00:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 00:59:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 00:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-14 00:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-14 00:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-14 00:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-14 00:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-14 00:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-14 00:59:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-14 00:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-14 00:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-14 00:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-14 00:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-14 00:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-14 00:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-14 00:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-10-14 00:59:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-10-14 00:59:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 00:59:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 00:59:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 00:59:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 00:59:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 00:59:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 00:59:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 00:59:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 00:59:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 00:59:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 00:59:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 00:59:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 00:59:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 00:59:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 00:59:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-14 00:59:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-14 00:59:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-14 00:59:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 00:59:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 00:59:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-14 00:59:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-14 00:59:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-14 00:59:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-14 00:59:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-14 00:59:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-14 00:59:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-14 00:59:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-14 00:59:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-14 00:59:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-14 00:59:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-14 00:59:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-14 00:59:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-14 00:59:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-10-14 00:59:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-10-14 00:59:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:59:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:59:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 00:59:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 00:59:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 00:59:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 00:59:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 00:59:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 00:59:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 00:59:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 00:59:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 00:59:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 00:59:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 00:59:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 00:59:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 00:59:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 00:59:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-14 00:59:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-14 00:59:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-14 00:59:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:59:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-10-14 00:59:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-10-14 00:59:19,338 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:59:19,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:59:19,731 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-10-14 00:59:19,731 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:59:19,763 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:59:19,764 INFO L314 CfgBuilder]: Removed 34 assume(true) statements. [2024-10-14 00:59:19,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:59:19 BoogieIcfgContainer [2024-10-14 00:59:19,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:59:19,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:59:19,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:59:19,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:59:19,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:59:18" (1/3) ... [2024-10-14 00:59:19,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec3bb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:59:19, skipping insertion in model container [2024-10-14 00:59:19,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:18" (2/3) ... [2024-10-14 00:59:19,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec3bb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:59:19, skipping insertion in model container [2024-10-14 00:59:19,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:59:19" (3/3) ... [2024-10-14 00:59:19,780 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2024-10-14 00:59:19,799 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:59:19,799 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:59:19,869 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:59:19,875 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;@49c56958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:59:19,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:59:19,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 89 states have (on average 1.7078651685393258) internal successors, (152), 90 states have internal predecessors, (152), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 00:59:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 00:59:19,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:59:19,885 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:59:19,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:59:19,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:59:19,892 INFO L85 PathProgramCache]: Analyzing trace with hash -204004676, now seen corresponding path program 1 times [2024-10-14 00:59:19,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:59:19,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074444661] [2024-10-14 00:59:19,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:59:19,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:59:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:59:20,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:59:20,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:59:20,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074444661] [2024-10-14 00:59:20,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074444661] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:59:20,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:59:20,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:59:20,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545150748] [2024-10-14 00:59:20,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:59:20,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:59:20,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:59:20,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:59:20,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:59:20,116 INFO L87 Difference]: Start difference. First operand has 94 states, 89 states have (on average 1.7078651685393258) internal successors, (152), 90 states have internal predecessors, (152), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 00:59:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:59:20,165 INFO L93 Difference]: Finished difference Result 187 states and 313 transitions. [2024-10-14 00:59:20,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:59:20,167 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 00:59:20,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:59:20,176 INFO L225 Difference]: With dead ends: 187 [2024-10-14 00:59:20,177 INFO L226 Difference]: Without dead ends: 91 [2024-10-14 00:59:20,181 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 00:59:20,184 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 00:59:20,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 00:59:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-10-14 00:59:20,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-10-14 00:59:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 87 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 00:59:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2024-10-14 00:59:20,235 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 116 transitions. Word has length 15 [2024-10-14 00:59:20,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:59:20,236 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 116 transitions. [2024-10-14 00:59:20,236 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 00:59:20,237 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2024-10-14 00:59:20,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 00:59:20,240 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:59:20,240 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:59:20,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 00:59:20,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:59:20,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:59:20,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1036642328, now seen corresponding path program 1 times [2024-10-14 00:59:20,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:59:20,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955437666] [2024-10-14 00:59:20,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:59:20,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:59:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:59:20,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 00:59:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:59:20,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 00:59:20,539 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 00:59:20,541 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 00:59:20,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 00:59:20,547 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 00:59:20,570 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 00:59:20,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:59:20 BoogieIcfgContainer [2024-10-14 00:59:20,576 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 00:59:20,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 00:59:20,576 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 00:59:20,576 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 00:59:20,577 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:59:19" (3/4) ... [2024-10-14 00:59:20,579 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 00:59:20,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 00:59:20,580 INFO L158 Benchmark]: Toolchain (without parser) took 2039.40ms. Allocated memory is still 157.3MB. Free memory was 90.0MB in the beginning and 109.4MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:59:20,581 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 157.3MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:59:20,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.91ms. Allocated memory is still 157.3MB. Free memory was 89.9MB in the beginning and 114.9MB in the end (delta: -25.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 00:59:20,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.33ms. Allocated memory is still 157.3MB. Free memory was 114.9MB in the beginning and 112.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 00:59:20,582 INFO L158 Benchmark]: Boogie Preprocessor took 106.19ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 107.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 00:59:20,582 INFO L158 Benchmark]: RCFGBuilder took 682.68ms. Allocated memory is still 157.3MB. Free memory was 107.3MB in the beginning and 72.4MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-14 00:59:20,582 INFO L158 Benchmark]: TraceAbstraction took 805.16ms. Allocated memory is still 157.3MB. Free memory was 71.6MB in the beginning and 110.3MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:59:20,583 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 157.3MB. Free memory was 110.3MB in the beginning and 109.4MB in the end (delta: 871.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 00:59:20,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 157.3MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.91ms. Allocated memory is still 157.3MB. Free memory was 89.9MB in the beginning and 114.9MB in the end (delta: -25.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.33ms. Allocated memory is still 157.3MB. Free memory was 114.9MB in the beginning and 112.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.19ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 107.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 682.68ms. Allocated memory is still 157.3MB. Free memory was 107.3MB in the beginning and 72.4MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 805.16ms. Allocated memory is still 157.3MB. Free memory was 71.6MB in the beginning and 110.3MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 157.3MB. Free memory was 110.3MB in the beginning and 109.4MB in the end (delta: 871.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 241]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L234] float x = __VERIFIER_nondet_float(); [L235] float y = 0.0f / 0.0f; [L237] CALL isfinite_float(x) [L217] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2139095043] [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); [L237] RET isfinite_float(x) [L237] COND TRUE isfinite_float(x) [L238] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2139095043, y=2139095041] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [ha=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2139095043, y=2139095041] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL VAL [ha=0, hb=251658241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2139095043, y=2139095041] [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j VAL [a=2139095041, b=2139095043, ha=251658241, hb=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [a=2139095040, b=2139095042, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L238] RET, EXPR __ieee754_hypotf(x, y) [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) [L213] return x != x; [L240] RET, EXPR isnan_float(res) [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 115 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 115 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 00:59:20,623 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/float_req_bl_1271b.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 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:59:22,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:59:22,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 00:59:22,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:59:22,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:59:22,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:59:22,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:59:22,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:59:22,895 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:59:22,895 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:59:22,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:59:22,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:59:22,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:59:22,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:59:22,899 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:59:22,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:59:22,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:59:22,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:59:22,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:59:22,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:59:22,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:59:22,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:59:22,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:59:22,905 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 00:59:22,905 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 00:59:22,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:59:22,906 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 00:59:22,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:59:22,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:59:22,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:59:22,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:59:22,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:59:22,908 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:59:22,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:59:22,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:59:22,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:59:22,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:59:22,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:59:22,910 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 00:59:22,910 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 00:59:22,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:59:22,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:59:22,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:59:22,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:59:22,911 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 00:59:22,911 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 [2024-10-14 00:59:23,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:59:23,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:59:23,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:59:23,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:59:23,256 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:59:23,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2024-10-14 00:59:24,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:59:25,037 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:59:25,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2024-10-14 00:59:25,054 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13eadcd7/dafdb45471184b439ab7bd1f510e3e66/FLAG29c5780de [2024-10-14 00:59:25,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13eadcd7/dafdb45471184b439ab7bd1f510e3e66 [2024-10-14 00:59:25,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:59:25,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:59:25,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:59:25,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:59:25,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:59:25,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5081770a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25, skipping insertion in model container [2024-10-14 00:59:25,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:59:25,350 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/float_req_bl_1271b.c[4883,4896] [2024-10-14 00:59:25,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:59:25,381 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:59:25,438 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/float_req_bl_1271b.c[4883,4896] [2024-10-14 00:59:25,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:59:25,457 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:59:25,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25 WrapperNode [2024-10-14 00:59:25,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:59:25,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:59:25,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:59:25,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:59:25,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,533 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 276 [2024-10-14 00:59:25,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:59:25,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:59:25,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:59:25,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:59:25,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,553 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,578 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-10-14 00:59:25,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:59:25,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:59:25,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:59:25,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:59:25,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (1/1) ... [2024-10-14 00:59:25,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:59:25,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:59:25,667 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 00:59:25,670 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 00:59:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:59:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 00:59:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 00:59:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-14 00:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-14 00:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-14 00:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-14 00:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-14 00:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-10-14 00:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-10-14 00:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-10-14 00:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-10-14 00:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-10-14 00:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-10-14 00:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-10-14 00:59:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-10-14 00:59:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-10-14 00:59:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-10-14 00:59:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-10-14 00:59:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 00:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-14 00:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:59:25,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-10-14 00:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-10-14 00:59:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-10-14 00:59:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-10-14 00:59:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-10-14 00:59:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-10-14 00:59:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-10-14 00:59:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2024-10-14 00:59:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-14 00:59:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-14 00:59:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-14 00:59:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-14 00:59:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-10-14 00:59:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-10-14 00:59:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-10-14 00:59:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-10-14 00:59:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:59:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-10-14 00:59:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-10-14 00:59:25,896 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:59:25,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:59:27,916 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-10-14 00:59:27,917 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:59:27,953 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:59:27,953 INFO L314 CfgBuilder]: Removed 34 assume(true) statements. [2024-10-14 00:59:27,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:59:27 BoogieIcfgContainer [2024-10-14 00:59:27,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:59:27,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:59:27,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:59:27,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:59:27,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:59:25" (1/3) ... [2024-10-14 00:59:27,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac84ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:59:27, skipping insertion in model container [2024-10-14 00:59:27,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:59:25" (2/3) ... [2024-10-14 00:59:27,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac84ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:59:27, skipping insertion in model container [2024-10-14 00:59:27,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:59:27" (3/3) ... [2024-10-14 00:59:27,963 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2024-10-14 00:59:27,991 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:59:27,992 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:59:28,069 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:59:28,076 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;@72749ed9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:59:28,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:59:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 82 states have (on average 1.7195121951219512) internal successors, (141), 83 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 00:59:28,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 00:59:28,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:59:28,088 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:59:28,088 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:59:28,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:59:28,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1210215293, now seen corresponding path program 1 times [2024-10-14 00:59:28,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:59:28,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234550490] [2024-10-14 00:59:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:59:28,105 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 00:59:28,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:59:28,109 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 00:59:28,130 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 00:59:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:59:28,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 00:59:28,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:59:28,357 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 00:59:28,357 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:59:28,358 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:59:28,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234550490] [2024-10-14 00:59:28,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234550490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:59:28,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:59:28,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:59:28,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488466076] [2024-10-14 00:59:28,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:59:28,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:59:28,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:59:28,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:59:28,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:59:28,393 INFO L87 Difference]: Start difference. First operand has 87 states, 82 states have (on average 1.7195121951219512) internal successors, (141), 83 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 00:59:28,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:59:28,450 INFO L93 Difference]: Finished difference Result 173 states and 291 transitions. [2024-10-14 00:59:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:59:28,453 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 00:59:28,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:59:28,460 INFO L225 Difference]: With dead ends: 173 [2024-10-14 00:59:28,460 INFO L226 Difference]: Without dead ends: 84 [2024-10-14 00:59:28,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 00:59:28,466 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 00:59:28,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 00:59:28,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-14 00:59:28,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-14 00:59:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 80 states have (on average 1.275) internal successors, (102), 80 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 00:59:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2024-10-14 00:59:28,522 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 15 [2024-10-14 00:59:28,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:59:28,524 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-10-14 00:59:28,524 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 00:59:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2024-10-14 00:59:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 00:59:28,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:59:28,525 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:59:28,531 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 00:59:28,725 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 00:59:28,726 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:59:28,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:59:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash 860516568, now seen corresponding path program 1 times [2024-10-14 00:59:28,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:59:28,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526544837] [2024-10-14 00:59:28,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:59:28,728 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 00:59:28,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:59:28,731 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 00:59:28,732 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 00:59:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:59:28,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 00:59:28,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:59:30,109 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 00:59:30,109 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:59:30,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:59:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526544837] [2024-10-14 00:59:30,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526544837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:59:30,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:59:30,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 00:59:30,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516093595] [2024-10-14 00:59:30,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:59:30,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 00:59:30,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:59:30,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 00:59:30,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-14 00:59:30,113 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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 00:59:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:59:31,811 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2024-10-14 00:59:31,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 00:59:31,813 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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 20 [2024-10-14 00:59:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:59:31,814 INFO L225 Difference]: With dead ends: 101 [2024-10-14 00:59:31,815 INFO L226 Difference]: Without dead ends: 35 [2024-10-14 00:59:31,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-10-14 00:59:31,816 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 00:59:31,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 110 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 00:59:31,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-14 00:59:31,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-10-14 00:59:31,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 34 states have internal predecessors, (36), 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 00:59:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-10-14 00:59:31,824 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2024-10-14 00:59:31,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:59:31,824 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-10-14 00:59:31,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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 00:59:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-10-14 00:59:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 00:59:31,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:59:31,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:59:31,833 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 (3)] Ended with exit code 0 [2024-10-14 00:59:32,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 00:59:32,027 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:59:32,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:59:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1102191267, now seen corresponding path program 1 times [2024-10-14 00:59:32,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:59:32,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132113238] [2024-10-14 00:59:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:59:32,032 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 00:59:32,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:59:32,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 00:59:32,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-14 00:59:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:59:32,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 00:59:32,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:59:32,956 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 00:59:32,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:59:32,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:59:32,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132113238] [2024-10-14 00:59:32,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132113238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:59:32,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:59:32,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 00:59:32,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381023000] [2024-10-14 00:59:32,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:59:32,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 00:59:32,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:59:32,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 00:59:32,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 00:59:32,958 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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 00:59:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:59:33,737 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2024-10-14 00:59:33,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 00:59:33,738 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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 25 [2024-10-14 00:59:33,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:59:33,738 INFO L225 Difference]: With dead ends: 40 [2024-10-14 00:59:33,738 INFO L226 Difference]: Without dead ends: 26 [2024-10-14 00:59:33,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-14 00:59:33,739 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 00:59:33,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 100 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 00:59:33,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-14 00:59:33,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-14 00:59:33,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 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 00:59:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2024-10-14 00:59:33,744 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 25 [2024-10-14 00:59:33,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:59:33,745 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2024-10-14 00:59:33,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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 00:59:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2024-10-14 00:59:33,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 00:59:33,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:59:33,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:59:33,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-14 00:59:33,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 00:59:33,947 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:59:33,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:59:33,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1100344225, now seen corresponding path program 1 times [2024-10-14 00:59:33,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:59:33,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368363587] [2024-10-14 00:59:33,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:59:33,948 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 00:59:33,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:59:33,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 00:59:33,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-14 00:59:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:59:34,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-14 00:59:34,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:59:36,122 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 00:59:36,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:59:36,123 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:59:36,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368363587] [2024-10-14 00:59:36,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368363587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:59:36,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:59:36,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 00:59:36,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391497686] [2024-10-14 00:59:36,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:59:36,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 00:59:36,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:59:36,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 00:59:36,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-14 00:59:36,125 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 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 00:59:39,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:59:39,164 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2024-10-14 00:59:39,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 00:59:39,165 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 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 25 [2024-10-14 00:59:39,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:59:39,165 INFO L225 Difference]: With dead ends: 26 [2024-10-14 00:59:39,165 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 00:59:39,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-10-14 00:59:39,167 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 00:59:39,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 67 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 00:59:39,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 00:59:39,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 00:59:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:59:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 00:59:39,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2024-10-14 00:59:39,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:59:39,168 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 00:59:39,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 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 00:59:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 00:59:39,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 00:59:39,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 00:59:39,180 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 (5)] Ended with exit code 0 [2024-10-14 00:59:39,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 00:59:39,378 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 00:59:39,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 00:59:39,928 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 00:59:39,943 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:59:39,944 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:59:39,944 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:59:39,945 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:59:39,945 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 00:59:39,947 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:59:39,947 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:59:39,947 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:59:39,947 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 00:59:39,950 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:59:39,951 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:59:39,951 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-10-14 00:59:39,951 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:59:39,951 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 00:59:39,952 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:59:39,952 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-10-14 00:59:39,952 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:59:39,952 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 00:59:39,953 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:59:39,954 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:59:39,954 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-10-14 00:59:39,954 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-10-14 00:59:39,954 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-14 00:59:39,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:59:39 BoogieIcfgContainer [2024-10-14 00:59:39,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 00:59:39,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 00:59:39,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 00:59:39,960 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 00:59:39,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:59:27" (3/4) ... [2024-10-14 00:59:39,962 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 00:59:39,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2024-10-14 00:59:39,977 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-10-14 00:59:39,977 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-14 00:59:39,979 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 00:59:39,980 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 00:59:40,090 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 00:59:40,091 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 00:59:40,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 00:59:40,091 INFO L158 Benchmark]: Toolchain (without parser) took 15015.46ms. Allocated memory was 56.6MB in the beginning and 83.9MB in the end (delta: 27.3MB). Free memory was 24.8MB in the beginning and 45.3MB in the end (delta: -20.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-10-14 00:59:40,092 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 41.9MB. Free memory was 18.4MB in the beginning and 18.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:59:40,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.71ms. Allocated memory is still 56.6MB. Free memory was 24.7MB in the beginning and 22.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-10-14 00:59:40,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.28ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 22.7MB in the beginning and 48.2MB in the end (delta: -25.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 00:59:40,093 INFO L158 Benchmark]: Boogie Preprocessor took 92.02ms. Allocated memory is still 69.2MB. Free memory was 48.2MB in the beginning and 43.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 00:59:40,093 INFO L158 Benchmark]: RCFGBuilder took 2324.94ms. Allocated memory is still 69.2MB. Free memory was 43.1MB in the beginning and 25.8MB in the end (delta: 17.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-10-14 00:59:40,093 INFO L158 Benchmark]: TraceAbstraction took 12003.38ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 25.2MB in the beginning and 51.0MB in the end (delta: -25.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-10-14 00:59:40,094 INFO L158 Benchmark]: Witness Printer took 131.38ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 45.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 00:59:40,095 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 41.9MB. Free memory was 18.4MB in the beginning and 18.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.71ms. Allocated memory is still 56.6MB. Free memory was 24.7MB in the beginning and 22.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.28ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 22.7MB in the beginning and 48.2MB in the end (delta: -25.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.02ms. Allocated memory is still 69.2MB. Free memory was 48.2MB in the beginning and 43.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2324.94ms. Allocated memory is still 69.2MB. Free memory was 43.1MB in the beginning and 25.8MB in the end (delta: 17.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12003.38ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 25.2MB in the beginning and 51.0MB in the end (delta: -25.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 131.38ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 45.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 241]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 382 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 233 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 357 IncrementalHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 149 mSDtfsCounter, 357 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 81 ConstructedInterpolants, 36 QuantifiedInterpolants, 1117 SizeOfPredicates, 13 NumberOfNonLiveVariables, 359 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 16]: Procedure Contract for __ieee754_sqrtf Derived contract for procedure __ieee754_sqrtf. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-14 00:59:40,196 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 Writing output log to file Ultimate.log Result: TRUE