./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.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 5a8e4ffd9ea97f05ef6346cf53038fe7de9dfb80c74cdd9b6a5c49fbcb6c0f8f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:45:46,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:45:46,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 00:45:46,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:45:46,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:45:46,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:45:46,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:45:46,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:45:46,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:45:46,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:45:46,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:45:46,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:45:46,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:45:46,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:45:46,247 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:45:46,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:45:46,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:45:46,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:45:46,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 00:45:46,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:45:46,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:45:46,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:45:46,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:45:46,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:45:46,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:45:46,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:45:46,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:45:46,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:45:46,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:45:46,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:45:46,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:45:46,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:45:46,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:45:46,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:45:46,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:45:46,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:45:46,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 00:45:46,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 00:45:46,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:45:46,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:45:46,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:45:46,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:45:46,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a8e4ffd9ea97f05ef6346cf53038fe7de9dfb80c74cdd9b6a5c49fbcb6c0f8f [2024-10-14 00:45:46,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:45:46,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:45:46,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:45:46,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:45:46,471 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:45:46,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2024-10-14 00:45:47,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:45:47,854 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:45:47,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2024-10-14 00:45:47,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6de1aa2/81ca5c159ef9496493f45c61ab930154/FLAG2b76e137e [2024-10-14 00:45:48,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6de1aa2/81ca5c159ef9496493f45c61ab930154 [2024-10-14 00:45:48,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:45:48,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:45:48,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:45:48,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:45:48,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:45:48,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4a6169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48, skipping insertion in model container [2024-10-14 00:45:48,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:45:48,441 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2024-10-14 00:45:48,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:45:48,465 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:45:48,499 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2024-10-14 00:45:48,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:45:48,513 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:45:48,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48 WrapperNode [2024-10-14 00:45:48,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:45:48,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:45:48,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:45:48,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:45:48,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,548 INFO L138 Inliner]: procedures = 17, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2024-10-14 00:45:48,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:45:48,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:45:48,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:45:48,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:45:48,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,574 INFO L175 MemorySlicer]: Split 27 memory accesses to 10 slices as follows [2, 2, 2, 3, 3, 4, 4, 2, 2, 3]. 15 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 0, 2, 0, 2, 2, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 0, 2, 0, 0, 1, 1, 2]. [2024-10-14 00:45:48,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:45:48,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:45:48,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:45:48,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:45:48,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (1/1) ... [2024-10-14 00:45:48,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:45:48,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:45:48,630 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 00:45:48,632 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 00:45:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:45:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 00:45:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 00:45:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 00:45:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 00:45:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:45:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:45:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 00:45:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 00:45:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 00:45:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 00:45:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 00:45:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 00:45:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 00:45:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 00:45:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 00:45:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 00:45:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-14 00:45:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-14 00:45:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-14 00:45:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-14 00:45:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-14 00:45:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-14 00:45:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-14 00:45:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-14 00:45:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-14 00:45:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-14 00:45:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:45:48,784 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:45:48,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:45:48,947 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-14 00:45:48,947 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:45:48,973 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:45:48,973 INFO L314 CfgBuilder]: Removed 12 assume(true) statements. [2024-10-14 00:45:48,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:48 BoogieIcfgContainer [2024-10-14 00:45:48,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:45:48,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:45:48,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:45:48,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:45:48,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:45:48" (1/3) ... [2024-10-14 00:45:48,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9bc4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:45:48, skipping insertion in model container [2024-10-14 00:45:48,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:48" (2/3) ... [2024-10-14 00:45:48,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9bc4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:45:48, skipping insertion in model container [2024-10-14 00:45:48,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:48" (3/3) ... [2024-10-14 00:45:48,984 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832.c [2024-10-14 00:45:48,999 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:45:49,000 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:45:49,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:45:49,050 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;@4bea876d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:45:49,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:45:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 38 states have (on average 1.736842105263158) internal successors, (66), 39 states have internal predecessors, (66), 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 00:45:49,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 00:45:49,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:45:49,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:45:49,061 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:45:49,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:45:49,065 INFO L85 PathProgramCache]: Analyzing trace with hash 665423841, now seen corresponding path program 1 times [2024-10-14 00:45:49,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:45:49,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562710649] [2024-10-14 00:45:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:45:49,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:45:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:45:49,244 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 00:45:49,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:45:49,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562710649] [2024-10-14 00:45:49,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562710649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:45:49,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:45:49,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:45:49,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428516697] [2024-10-14 00:45:49,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:45:49,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:45:49,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:45:49,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:45:49,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:45:49,324 INFO L87 Difference]: Start difference. First operand has 40 states, 38 states have (on average 1.736842105263158) internal successors, (66), 39 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 00:45:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:45:49,357 INFO L93 Difference]: Finished difference Result 78 states and 129 transitions. [2024-10-14 00:45:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:45:49,359 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-10-14 00:45:49,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:45:49,365 INFO L225 Difference]: With dead ends: 78 [2024-10-14 00:45:49,366 INFO L226 Difference]: Without dead ends: 37 [2024-10-14 00:45:49,368 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 00:45:49,371 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 00:45:49,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 00:45:49,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-14 00:45:49,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-14 00:45:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 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 00:45:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2024-10-14 00:45:49,395 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 10 [2024-10-14 00:45:49,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:45:49,396 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-10-14 00:45:49,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 00:45:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-10-14 00:45:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 00:45:49,396 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:45:49,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:45:49,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 00:45:49,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:45:49,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:45:49,398 INFO L85 PathProgramCache]: Analyzing trace with hash -550043695, now seen corresponding path program 1 times [2024-10-14 00:45:49,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:45:49,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226387697] [2024-10-14 00:45:49,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:45:49,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:45:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:45:49,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 00:45:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:45:49,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 00:45:49,522 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 00:45:49,524 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 00:45:49,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 00:45:49,530 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 00:45:49,554 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 00:45:49,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:45:49 BoogieIcfgContainer [2024-10-14 00:45:49,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 00:45:49,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 00:45:49,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 00:45:49,557 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 00:45:49,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:48" (3/4) ... [2024-10-14 00:45:49,559 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 00:45:49,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 00:45:49,561 INFO L158 Benchmark]: Toolchain (without parser) took 1314.63ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 124.4MB in the end (delta: 21.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-10-14 00:45:49,561 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:45:49,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.11ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 132.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 00:45:49,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.65ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 130.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 00:45:49,562 INFO L158 Benchmark]: Boogie Preprocessor took 48.56ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 126.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 00:45:49,562 INFO L158 Benchmark]: RCFGBuilder took 375.46ms. Allocated memory is still 176.2MB. Free memory was 126.0MB in the beginning and 104.4MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 00:45:49,563 INFO L158 Benchmark]: TraceAbstraction took 580.62ms. Allocated memory is still 176.2MB. Free memory was 103.7MB in the beginning and 124.4MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:45:49,563 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 176.2MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:45:49,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.11ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 132.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.65ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 130.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.56ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 126.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.46ms. Allocated memory is still 176.2MB. Free memory was 126.0MB in the beginning and 104.4MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 580.62ms. Allocated memory is still 176.2MB. Free memory was 103.7MB in the beginning and 124.4MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 176.2MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 147]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 146, overapproximation of someUnaryDOUBLEoperation at line 23, overapproximation of someBinaryArithmeticDOUBLEoperation at line 73. Possible FailurePath: [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L139] double x = __VERIFIER_nondet_double(); [L141] COND TRUE x == 0.0 || x == -0.0 [L143] CALL, EXPR __ieee754_exp(x) [L47] double y, hi, lo, c, t; [L48] __int32_t k = 0, xsb; [L49] __uint32_t hx; VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] [L52] ieee_double_shape_type gh_u; [L53] gh_u.value = (x) [L54] EXPR gh_u.parts.msw [L54] (hx) = gh_u.parts.msw [L56] xsb = (hx >> 31) & 1 [L57] hx &= 0x7fffffff VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435071, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, xsb=0] [L59] COND TRUE hx >= 0x40862E42 VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L60] COND FALSE !(hx >= 0x7ff00000) VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L72] COND TRUE x > o_threshold_exp [L73] return huge_exp * huge_exp; VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435071, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, xsb=0] [L143] RET, EXPR __ieee754_exp(x) [L143] double res = __ieee754_exp(x); [L146] COND TRUE res != 1.0 VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L147] reach_error() VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 51 mSDtfsCounter, 2 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=40occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 00:45:49,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.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 5a8e4ffd9ea97f05ef6346cf53038fe7de9dfb80c74cdd9b6a5c49fbcb6c0f8f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:45:51,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:45:51,458 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 00:45:51,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:45:51,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:45:51,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:45:51,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:45:51,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:45:51,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:45:51,499 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:45:51,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:45:51,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:45:51,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:45:51,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:45:51,502 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:45:51,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:45:51,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:45:51,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:45:51,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:45:51,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:45:51,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:45:51,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:45:51,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:45:51,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 00:45:51,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 00:45:51,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:45:51,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 00:45:51,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:45:51,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:45:51,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:45:51,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:45:51,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:45:51,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:45:51,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:45:51,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:45:51,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:45:51,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:45:51,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:45:51,509 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 00:45:51,509 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 00:45:51,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:45:51,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:45:51,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:45:51,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:45:51,511 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 00:45:51,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a8e4ffd9ea97f05ef6346cf53038fe7de9dfb80c74cdd9b6a5c49fbcb6c0f8f [2024-10-14 00:45:51,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:45:51,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:45:51,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:45:51,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:45:51,797 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:45:51,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2024-10-14 00:45:53,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:45:53,228 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:45:53,228 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c [2024-10-14 00:45:53,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b89fc62d/fb0f47f470d9486e858e5c8825c27450/FLAG23a27d1fe [2024-10-14 00:45:53,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b89fc62d/fb0f47f470d9486e858e5c8825c27450 [2024-10-14 00:45:53,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:45:53,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:45:53,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:45:53,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:45:53,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:45:53,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469bff8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53, skipping insertion in model container [2024-10-14 00:45:53,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:45:53,478 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2024-10-14 00:45:53,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:45:53,494 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:45:53,519 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0832.c[3927,3940] [2024-10-14 00:45:53,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:45:53,539 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:45:53,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53 WrapperNode [2024-10-14 00:45:53,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:45:53,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:45:53,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:45:53,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:45:53,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,585 INFO L138 Inliner]: procedures = 20, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 186 [2024-10-14 00:45:53,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:45:53,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:45:53,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:45:53,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:45:53,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,603 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,629 INFO L175 MemorySlicer]: Split 27 memory accesses to 10 slices as follows [2, 2, 2, 3, 4, 4, 2, 3, 3, 2]. 15 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 0, 2, 2, 2, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 0, 0, 0, 1, 2, 2, 1]. [2024-10-14 00:45:53,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:45:53,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:45:53,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:45:53,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:45:53,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (1/1) ... [2024-10-14 00:45:53,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:45:53,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:45:53,690 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 00:45:53,699 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 00:45:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-14 00:45:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-14 00:45:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-14 00:45:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-14 00:45:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:45:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-14 00:45:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-14 00:45:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:45:53,845 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:45:53,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:46:13,826 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-10-14 00:46:13,829 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:46:13,866 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:46:13,866 INFO L314 CfgBuilder]: Removed 12 assume(true) statements. [2024-10-14 00:46:13,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:46:13 BoogieIcfgContainer [2024-10-14 00:46:13,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:46:13,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:46:13,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:46:13,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:46:13,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:45:53" (1/3) ... [2024-10-14 00:46:13,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f757576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:46:13, skipping insertion in model container [2024-10-14 00:46:13,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:53" (2/3) ... [2024-10-14 00:46:13,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f757576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:46:13, skipping insertion in model container [2024-10-14 00:46:13,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:46:13" (3/3) ... [2024-10-14 00:46:13,875 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832.c [2024-10-14 00:46:13,886 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:46:13,887 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:46:13,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:46:13,939 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;@3c0ba5fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:46:13,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:46:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 36 states have internal predecessors, (61), 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 00:46:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 00:46:13,949 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:46:13,950 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:46:13,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:46:13,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:46:13,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1282833055, now seen corresponding path program 1 times [2024-10-14 00:46:13,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:46:13,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179133034] [2024-10-14 00:46:13,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:46:13,966 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 00:46:13,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:46:13,969 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 00:46:13,970 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 00:46:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:46:14,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 00:46:14,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:46:14,278 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 00:46:14,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:46:14,278 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:46:14,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179133034] [2024-10-14 00:46:14,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179133034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:46:14,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:46:14,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:46:14,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736416942] [2024-10-14 00:46:14,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:46:14,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:46:14,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:46:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:46:14,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:46:14,311 INFO L87 Difference]: Start difference. First operand has 37 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 36 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 00:46:14,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:46:14,407 INFO L93 Difference]: Finished difference Result 72 states and 119 transitions. [2024-10-14 00:46:14,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:46:14,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-10-14 00:46:14,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:46:14,415 INFO L225 Difference]: With dead ends: 72 [2024-10-14 00:46:14,415 INFO L226 Difference]: Without dead ends: 34 [2024-10-14 00:46:14,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 00:46:14,421 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 00:46:14,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 00:46:14,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-14 00:46:14,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-14 00:46:14,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 33 states have internal predecessors, (44), 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 00:46:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2024-10-14 00:46:14,452 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 10 [2024-10-14 00:46:14,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:46:14,453 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-10-14 00:46:14,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 00:46:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-10-14 00:46:14,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 00:46:14,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:46:14,455 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:46:14,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-14 00:46:14,655 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 00:46:14,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:46:14,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:46:14,657 INFO L85 PathProgramCache]: Analyzing trace with hash -472915527, now seen corresponding path program 1 times [2024-10-14 00:46:14,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:46:14,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087391709] [2024-10-14 00:46:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:46:14,658 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 00:46:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:46:14,659 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 00:46:14,660 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 00:46:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:46:14,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 00:46:14,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:46:16,112 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 00:46:16,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:46:16,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:46:16,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087391709] [2024-10-14 00:46:16,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087391709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:46:16,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:46:16,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 00:46:16,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243868086] [2024-10-14 00:46:16,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:46:16,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 00:46:16,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:46:16,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 00:46:16,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 00:46:16,115 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:46:22,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 00:46:26,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:46:31,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:46:35,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 00:46:39,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:46:44,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:46:48,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 00:46:52,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 00:46:57,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:47:01,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:47:06,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 00:47:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:47:06,126 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2024-10-14 00:47:06,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 00:47:06,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-14 00:47:06,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:47:06,343 INFO L225 Difference]: With dead ends: 54 [2024-10-14 00:47:06,343 INFO L226 Difference]: Without dead ends: 26 [2024-10-14 00:47:06,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 00:47:06,345 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.5s IncrementalHoareTripleChecker+Time [2024-10-14 00:47:06,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 60 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 11 Unknown, 0 Unchecked, 49.5s Time] [2024-10-14 00:47:06,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-14 00:47:06,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-14 00:47:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 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 00:47:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2024-10-14 00:47:06,350 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 11 [2024-10-14 00:47:06,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:47:06,350 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2024-10-14 00:47:06,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:47:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-10-14 00:47:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 00:47:06,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:47:06,350 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:47:06,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-14 00:47:06,551 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 00:47:06,551 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:47:06,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:47:06,552 INFO L85 PathProgramCache]: Analyzing trace with hash -928277543, now seen corresponding path program 1 times [2024-10-14 00:47:06,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:47:06,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398572938] [2024-10-14 00:47:06,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:47:06,553 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 00:47:06,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:47:06,554 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 00:47:06,555 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 00:47:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:47:06,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 00:47:06,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:47:14,217 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 00:47:14,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:47:14,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:47:14,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398572938] [2024-10-14 00:47:14,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398572938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:47:14,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:47:14,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 00:47:14,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301267300] [2024-10-14 00:47:14,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:47:14,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 00:47:14,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:47:14,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 00:47:14,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 00:47:14,219 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:47:22,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 00:47:26,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-14 00:47:30,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]