./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1211b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1211b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 60a85fa0dc6e4e6b4078469f7e24e1dca9372a9f2a0f0b1c4c333cd6d766b7f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:49:00,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:49:00,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:49:00,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:49:00,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:49:00,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:49:00,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:49:00,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:49:00,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:49:00,777 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:49:00,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:49:00,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:49:00,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:49:00,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:49:00,779 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:00,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:49:00,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:49:00,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:49:00,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:49:00,780 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 60a85fa0dc6e4e6b4078469f7e24e1dca9372a9f2a0f0b1c4c333cd6d766b7f3 [2025-02-07 18:49:00,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:49:01,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:49:01,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:49:01,006 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:49:01,006 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:49:01,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1211b.c [2025-02-07 18:49:02,202 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09e70c0f9/7846e5e9baaa47f39e26137239541b4d/FLAG10a597a14 [2025-02-07 18:49:02,398 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:49:02,420 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211b.c [2025-02-07 18:49:02,433 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09e70c0f9/7846e5e9baaa47f39e26137239541b4d/FLAG10a597a14 [2025-02-07 18:49:02,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09e70c0f9/7846e5e9baaa47f39e26137239541b4d [2025-02-07 18:49:02,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:49:02,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:49:02,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:02,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:49:02,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:49:02,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e15d6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02, skipping insertion in model container [2025-02-07 18:49:02,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:49:02,921 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211b.c[2579,2592] [2025-02-07 18:49:02,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:02,930 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:49:02,954 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211b.c[2579,2592] [2025-02-07 18:49:02,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:02,970 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:49:02,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02 WrapperNode [2025-02-07 18:49:02,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:02,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:02,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:49:02,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:49:02,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:02,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,001 INFO L138 Inliner]: procedures = 19, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 227 [2025-02-07 18:49:03,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:03,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:49:03,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:49:03,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:49:03,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,042 INFO L175 MemorySlicer]: Split 27 memory accesses to 11 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 7]. 26 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]. The 13 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4]. [2025-02-07 18:49:03,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,052 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:49:03,062 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:49:03,063 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:49:03,063 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:49:03,063 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (1/1) ... [2025-02-07 18:49:03,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:03,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:49:03,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:49:03,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:49:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:49:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:49:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:49:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:49:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:49:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:49:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:49:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:49:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:49:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-07 18:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-07 18:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-07 18:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:49:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:49:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:49:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-02-07 18:49:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-02-07 18:49:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2025-02-07 18:49:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:49:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-02-07 18:49:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-07 18:49:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:49:03,276 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:49:03,278 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:49:03,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:49:03,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume true; [2025-02-07 18:49:03,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume !true; [2025-02-07 18:49:03,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90-1: assume false; [2025-02-07 18:49:03,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90-1: assume !false; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111: assume main_#t~short23#1;havoc main_#t~mem19#1;havoc main_#t~ret20#1;havoc main_#t~ret21#1;havoc main_#t~short22#1;havoc main_#t~short23#1; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111: assume !main_#t~short23#1;havoc main_#t~mem19#1;havoc main_#t~ret20#1;havoc main_#t~ret21#1;havoc main_#t~short22#1;havoc main_#t~short23#1;main_#res#1 := 0;call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-1: main_#t~short23#1 := !main_#t~short22#1; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78: assume true; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78: assume !true; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-2: main_#t~ret21#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem15#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, __signbit_float_~x#1, __signbit_float_~w~0#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;assume -2147483648 <= main_#t~ret21#1 && main_#t~ret21#1 <= 2147483647;main_#t~short22#1 := 1 == main_#t~ret21#1; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78-1: assume false; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78-1: assume !false; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-3: assume main_#t~short22#1;assume { :begin_inline___signbit_float } true;__signbit_float_#in~x#1 := main_~res~0#1;havoc __signbit_float_#res#1;havoc __signbit_float_#t~mem15#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, __signbit_float_~x#1, __signbit_float_~w~0#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~0#1; [2025-02-07 18:49:03,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-3: assume !main_#t~short22#1; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-4: assume main_#t~short23#1;main_#t~short22#1 := ~someBinaryFLOATComparisonOperation(main_~res~0#1, ~someUnaryFLOAToperation(0.0)); [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-4: assume !main_#t~short23#1; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L95: isinf_float_~ix~2#1 := isinf_float_~ix~2#1 % 2147483648;isinf_float_#res#1 := (if 2139095040 == isinf_float_~ix~2#1 then 1 else 0);main_#t~ret20#1 := isinf_float_#res#1;havoc isinf_float_#t~mem16#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, isinf_float_~x#1, isinf_float_~ix~2#1;havoc isinf_float_#in~x#1;assume { :end_inline_isinf_float } true;assume -2147483648 <= main_#t~ret20#1 && main_#t~ret20#1 <= 2147483647;main_#t~short23#1 := 0 != main_#t~ret20#1; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L91: assume true; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L91: assume !true;call isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset := #Ultimate.allocOnStack(4);call write~real#6(isinf_float_~x#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, 4);call isinf_float_#t~mem16#1 := read~int#6(isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, 4);isinf_float_~ix~2#1 := (if isinf_float_#t~mem16#1 % 4294967296 % 4294967296 <= 2147483647 then isinf_float_#t~mem16#1 % 4294967296 % 4294967296 else isinf_float_#t~mem16#1 % 4294967296 % 4294967296 - 4294967296);call ULTIMATE.dealloc(isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset);havoc isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset;havoc isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset;havoc isinf_float_#t~mem16#1; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L91-1: assume false; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L91-1: assume !false; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58: havoc modf_float_~ix~1#1; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L112: assume false;main_#res#1 := 1;call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:03,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L112: assume !false; [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L79: assume true; [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L79: assume !true;call __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset := #Ultimate.allocOnStack(4);call write~real#3(__signbit_float_~x#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, 4);call __signbit_float_#t~mem15#1 := read~int#3(__signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, 4);__signbit_float_~w~0#1 := __signbit_float_#t~mem15#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset);havoc __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset;havoc __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset;havoc __signbit_float_#t~mem15#1; [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L79-1: assume false; [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L79-1: assume !false; [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108: main_#t~ret18#1 := modf_float_#res#1;havoc modf_float_#t~mem4#1, modf_float_~#gf_u~0#1.base, modf_float_~#gf_u~0#1.offset, modf_float_#t~mem5#1, modf_float_~#sf_u~0#1.base, modf_float_~#sf_u~0#1.offset, modf_float_#t~bitwise6#1, modf_float_#t~bitwise7#1, modf_float_#t~mem8#1, modf_float_~#gf_u~1#1.base, modf_float_~#gf_u~1#1.offset, modf_float_#t~mem9#1, modf_float_~#sf_u~1#1.base, modf_float_~#sf_u~1#1.offset, modf_float_~ix~0#1, modf_float_#t~bitwise10#1, modf_float_#t~mem11#1, modf_float_~#sf_u~2#1.base, modf_float_~#sf_u~2#1.offset, modf_float_#t~mem12#1, modf_float_#t~mem13#1, modf_float_~#gf_u~2#1.base, modf_float_~#gf_u~2#1.offset, modf_float_#t~mem14#1, modf_float_~#sf_u~3#1.base, modf_float_~#sf_u~3#1.offset, modf_float_~ix~1#1, modf_float_~x#1, modf_float_~iptr#1.base, modf_float_~iptr#1.offset, modf_float_~i0~0#1, modf_float_~j0~0#1, modf_float_~i~0#1;havoc modf_float_#in~x#1, modf_float_#in~iptr#1.base, modf_float_#in~iptr#1.offset;assume { :end_inline_modf_float } true;main_~res~0#1 := main_#t~ret18#1;havoc main_#t~ret18#1;call main_#t~mem19#1 := read~real#10(main_~#iptr~0#1.base, main_~#iptr~0#1.offset, 4);assume { :begin_inline_isinf_float } true;isinf_float_#in~x#1 := main_#t~mem19#1;havoc isinf_float_#res#1;havoc isinf_float_#t~mem16#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, isinf_float_~x#1, isinf_float_~ix~2#1;isinf_float_~x#1 := isinf_float_#in~x#1;havoc isinf_float_~ix~2#1; [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L55: havoc modf_float_#t~mem12#1; [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: __signbit_float_#res#1 := (if 0 != (__signbit_float_~w~0#1 - __signbit_float_~w~0#1 % 2147483648) % 4294967296 then 1 else 0); [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: #t~ret24#1 := main_#res#1;havoc main_#t~nondet17#1, main_#t~ret18#1, main_#t~mem19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~short22#1, main_#t~short23#1, main_~x~0#1, main_~#iptr~0#1.base, main_~#iptr~0#1.offset, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:49:03,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L35: havoc modf_float_~ix~0#1; [2025-02-07 18:49:03,450 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2025-02-07 18:49:03,450 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:49:03,466 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:49:03,467 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:49:03,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:03 BoogieIcfgContainer [2025-02-07 18:49:03,468 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:49:03,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:49:03,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:49:03,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:49:03,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:49:02" (1/3) ... [2025-02-07 18:49:03,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404bc707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:03, skipping insertion in model container [2025-02-07 18:49:03,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:02" (2/3) ... [2025-02-07 18:49:03,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404bc707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:03, skipping insertion in model container [2025-02-07 18:49:03,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:03" (3/3) ... [2025-02-07 18:49:03,475 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211b.c [2025-02-07 18:49:03,485 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:49:03,486 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1211b.c that has 1 procedures, 56 locations, 1 initial locations, 18 loop locations, and 10 error locations. [2025-02-07 18:49:03,520 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:49:03,527 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;@3ed35a40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:49:03,528 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-02-07 18:49:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 47 states have (on average 1.7659574468085106) internal successors, (83), 54 states have internal predecessors, (83), 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) [2025-02-07 18:49:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:49:03,533 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:49:03,533 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:49:03,534 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 7 more)] === [2025-02-07 18:49:03,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:49:03,538 INFO L85 PathProgramCache]: Analyzing trace with hash 4861854, now seen corresponding path program 1 times [2025-02-07 18:49:03,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:49:03,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300535638] [2025-02-07 18:49:03,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:49:03,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:49:03,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:49:03,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:49:03,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:49:03,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:49:03,615 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:49:03,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:49:03,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:49:03,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:49:03,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:49:03,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:49:03,649 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:49:03,650 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 10 remaining) [2025-02-07 18:49:03,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 10 remaining) [2025-02-07 18:49:03,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 10 remaining) [2025-02-07 18:49:03,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 10 remaining) [2025-02-07 18:49:03,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 10 remaining) [2025-02-07 18:49:03,653 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 10 remaining) [2025-02-07 18:49:03,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 10 remaining) [2025-02-07 18:49:03,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 10 remaining) [2025-02-07 18:49:03,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 10 remaining) [2025-02-07 18:49:03,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 10 remaining) [2025-02-07 18:49:03,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:49:03,660 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:49:03,674 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:49:03,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:49:03 BoogieIcfgContainer [2025-02-07 18:49:03,678 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:49:03,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:49:03,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:49:03,679 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:49:03,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:03" (3/4) ... [2025-02-07 18:49:03,681 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:49:03,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:49:03,682 INFO L158 Benchmark]: Toolchain (without parser) took 915.94ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 81.3MB in the end (delta: 51.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:49:03,682 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:03,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.86ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 120.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:03,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.08ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 119.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:03,683 INFO L158 Benchmark]: Boogie Preprocessor took 57.20ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 116.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:03,684 INFO L158 Benchmark]: IcfgBuilder took 405.72ms. Allocated memory is still 167.8MB. Free memory was 116.3MB in the beginning and 95.6MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:03,684 INFO L158 Benchmark]: TraceAbstraction took 207.77ms. Allocated memory is still 167.8MB. Free memory was 95.1MB in the beginning and 81.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:03,684 INFO L158 Benchmark]: Witness Printer took 3.18ms. Allocated memory is still 167.8MB. Free memory was 81.8MB in the beginning and 81.3MB in the end (delta: 451.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:03,685 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.86ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 120.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.08ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 119.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.20ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 116.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 405.72ms. Allocated memory is still 167.8MB. Free memory was 116.3MB in the beginning and 95.6MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 207.77ms. Allocated memory is still 167.8MB. Free memory was 95.1MB in the beginning and 81.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.18ms. Allocated memory is still 167.8MB. Free memory was 81.8MB in the beginning and 81.3MB in the end (delta: 451.5kB). 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: 20]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 20, overapproximation of someBinaryArithmeticFLOAToperation at line 106. Possible FailurePath: [L14] static const float one_modf = 1.0; [L106] float x = -1.0f / 0.0f; [L107] float iptr = __VERIFIER_nondet_float(); [L107] float iptr = __VERIFIER_nondet_float(); [L108] CALL modf_float(x, &iptr) [L17] __int32_t i0, j0; [L18] __uint32_t i; VAL [iptr={5:0}, one_modf=1, x=53] [L23] COND TRUE 0 VAL [one_modf=1] [L20] ieee_float_shape_type gf_u; VAL [iptr={5:0}, one_modf=1, x=53] - UnprovableResult [Line: 112]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-07 18:49:03,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1211b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 60a85fa0dc6e4e6b4078469f7e24e1dca9372a9f2a0f0b1c4c333cd6d766b7f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:49:05,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:49:05,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:49:05,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:49:05,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:49:05,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:49:05,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:49:05,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:49:05,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:49:05,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:49:05,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:49:05,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:49:05,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:49:05,792 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:05,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:49:05,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:49:05,793 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:49:05,793 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:49:05,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:49:05,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:49:05,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:49:05,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:49:05,793 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 60a85fa0dc6e4e6b4078469f7e24e1dca9372a9f2a0f0b1c4c333cd6d766b7f3 [2025-02-07 18:49:06,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:49:06,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:49:06,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:49:06,053 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:49:06,053 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:49:06,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1211b.c [2025-02-07 18:49:07,252 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/96a740c29/100cfc3a47744f34b6cf66aea224cca3/FLAG8f124ae37 [2025-02-07 18:49:07,484 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:49:07,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211b.c [2025-02-07 18:49:07,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/96a740c29/100cfc3a47744f34b6cf66aea224cca3/FLAG8f124ae37 [2025-02-07 18:49:07,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/96a740c29/100cfc3a47744f34b6cf66aea224cca3 [2025-02-07 18:49:07,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:49:07,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:49:07,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:07,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:49:07,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:49:07,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c6f3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07, skipping insertion in model container [2025-02-07 18:49:07,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:49:07,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211b.c[2579,2592] [2025-02-07 18:49:07,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:07,682 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:49:07,706 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211b.c[2579,2592] [2025-02-07 18:49:07,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:07,722 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:49:07,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07 WrapperNode [2025-02-07 18:49:07,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:07,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:07,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:49:07,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:49:07,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,768 INFO L138 Inliner]: procedures = 22, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 185 [2025-02-07 18:49:07,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:07,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:49:07,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:49:07,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:49:07,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,787 INFO L175 MemorySlicer]: Split 27 memory accesses to 11 slices as follows [2, 2, 7, 2, 2, 2, 2, 2, 2, 2, 2]. 26 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:49:07,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,798 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:49:07,805 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:49:07,805 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:49:07,805 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:49:07,806 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (1/1) ... [2025-02-07 18:49:07,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:07,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:49:07,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:49:07,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-07 18:49:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:49:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 18:49:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:49:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 18:49:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-02-07 18:49:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:49:07,950 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:49:07,951 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:49:08,278 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:49:08,278 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume true;call isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4#1(isinf_float_~x#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, 4bv32);call isinf_float_#t~mem13#1 := read~intINTTYPE4#1(isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, 4bv32);isinf_float_~ix~2#1 := isinf_float_#t~mem13#1;call ULTIMATE.dealloc(isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset);havoc isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset;havoc isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset;havoc isinf_float_#t~mem13#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume !true; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90-1: assume false; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90-1: assume !false; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111: assume main_#t~short20#1;havoc main_#t~mem16#1;havoc main_#t~ret17#1;havoc main_#t~ret18#1;havoc main_#t~short19#1;havoc main_#t~short20#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111: assume !main_#t~short20#1;havoc main_#t~mem16#1;havoc main_#t~ret17#1;havoc main_#t~ret18#1;havoc main_#t~short19#1;havoc main_#t~short20#1;main_#res#1 := 0bv32;call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-1: main_#t~short20#1 := !main_#t~short19#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78: assume true;call __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4#7(__signbit_float_~x#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, 4bv32);call __signbit_float_#t~mem12#1 := read~intINTTYPE4#7(__signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, 4bv32);__signbit_float_~w~0#1 := __signbit_float_#t~mem12#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset);havoc __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset;havoc __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset;havoc __signbit_float_#t~mem12#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78: assume !true; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-2: main_#t~ret18#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem12#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, __signbit_float_~x#1, __signbit_float_~w~0#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;main_#t~short19#1 := 1bv32 == main_#t~ret18#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78-1: assume false; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78-1: assume !false; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-3: assume main_#t~short19#1;assume { :begin_inline___signbit_float } true;__signbit_float_#in~x#1 := main_~res~0#1;havoc __signbit_float_#res#1;havoc __signbit_float_#t~mem12#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, __signbit_float_~x#1, __signbit_float_~w~0#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~0#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-3: assume !main_#t~short19#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-4: assume main_#t~short20#1;main_#t~short19#1 := ~fp.eq~32(main_~res~0#1, ~fp.neg~32(~Pluszero~32())); [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L111-4: assume !main_#t~short20#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L95: isinf_float_~ix~2#1 := ~bvand~32(2147483647bv32, isinf_float_~ix~2#1);isinf_float_#res#1 := (if 2139095040bv32 == isinf_float_~ix~2#1 then 1bv32 else 0bv32);main_#t~ret17#1 := isinf_float_#res#1;havoc isinf_float_#t~mem13#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, isinf_float_~x#1, isinf_float_~ix~2#1;havoc isinf_float_#in~x#1;assume { :end_inline_isinf_float } true;main_#t~short20#1 := 0bv32 != main_#t~ret17#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L58: havoc modf_float_~ix~1#1; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L112: assume false;main_#res#1 := 1bv32;call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:08,279 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L112: assume !false; [2025-02-07 18:49:08,280 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L108: main_#t~ret15#1 := modf_float_#res#1;havoc modf_float_#t~mem4#1, modf_float_~#gf_u~0#1.base, modf_float_~#gf_u~0#1.offset, modf_float_#t~mem5#1, modf_float_~#sf_u~0#1.base, modf_float_~#sf_u~0#1.offset, modf_float_#t~mem6#1, modf_float_~#gf_u~1#1.base, modf_float_~#gf_u~1#1.offset, modf_float_#t~mem7#1, modf_float_~#sf_u~1#1.base, modf_float_~#sf_u~1#1.offset, modf_float_~ix~0#1, modf_float_#t~mem8#1, modf_float_~#sf_u~2#1.base, modf_float_~#sf_u~2#1.offset, modf_float_#t~mem9#1, modf_float_#t~mem10#1, modf_float_~#gf_u~2#1.base, modf_float_~#gf_u~2#1.offset, modf_float_#t~mem11#1, modf_float_~#sf_u~3#1.base, modf_float_~#sf_u~3#1.offset, modf_float_~ix~1#1, modf_float_~x#1, modf_float_~iptr#1.base, modf_float_~iptr#1.offset, modf_float_~i0~0#1, modf_float_~j0~0#1, modf_float_~i~0#1;havoc modf_float_#in~x#1, modf_float_#in~iptr#1.base, modf_float_#in~iptr#1.offset;assume { :end_inline_modf_float } true;main_~res~0#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_#t~mem16#1 := read~intFLOATTYPE4#2(main_~#iptr~0#1.base, main_~#iptr~0#1.offset, 4bv32);assume { :begin_inline_isinf_float } true;isinf_float_#in~x#1 := main_#t~mem16#1;havoc isinf_float_#res#1;havoc isinf_float_#t~mem13#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, isinf_float_~x#1, isinf_float_~ix~2#1;isinf_float_~x#1 := isinf_float_#in~x#1;havoc isinf_float_~ix~2#1; [2025-02-07 18:49:08,280 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L55: havoc modf_float_#t~mem9#1; [2025-02-07 18:49:08,280 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: __signbit_float_#res#1 := (if 0bv32 != ~bvand~32(2147483648bv32, __signbit_float_~w~0#1) then 1bv32 else 0bv32); [2025-02-07 18:49:08,280 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: #t~ret21#1 := main_#res#1;havoc main_#t~nondet14#1, main_#t~ret15#1, main_#t~mem16#1, main_#t~ret17#1, main_#t~ret18#1, main_#t~short19#1, main_#t~short20#1, main_~x~0#1, main_~#iptr~0#1.base, main_~#iptr~0#1.offset, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:49:08,280 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L35: havoc modf_float_~ix~0#1; [2025-02-07 18:49:08,287 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2025-02-07 18:49:08,287 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:49:08,296 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:49:08,297 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:49:08,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:08 BoogieIcfgContainer [2025-02-07 18:49:08,297 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:49:08,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:49:08,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:49:08,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:49:08,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:49:07" (1/3) ... [2025-02-07 18:49:08,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17eb516b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:08, skipping insertion in model container [2025-02-07 18:49:08,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:07" (2/3) ... [2025-02-07 18:49:08,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17eb516b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:08, skipping insertion in model container [2025-02-07 18:49:08,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:08" (3/3) ... [2025-02-07 18:49:08,305 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211b.c [2025-02-07 18:49:08,316 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:49:08,317 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1211b.c that has 1 procedures, 25 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-07 18:49:08,353 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:49:08,362 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;@638c8caa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:49:08,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:49:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 states have internal predecessors, (40), 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) [2025-02-07 18:49:08,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:49:08,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:49:08,376 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:49:08,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 states have internal predecessors, (40), 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) [2025-02-07 18:49:08,394 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:49:08,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:49:08 BoogieIcfgContainer [2025-02-07 18:49:08,405 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:49:08,406 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:49:08,406 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:49:08,406 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:49:08,407 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:08" (3/4) ... [2025-02-07 18:49:08,409 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:49:08,416 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-02-07 18:49:08,417 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-07 18:49:08,417 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:49:08,417 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:49:08,478 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:49:08,478 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:49:08,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:49:08,480 INFO L158 Benchmark]: Toolchain (without parser) took 965.67ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 63.6MB in the end (delta: 53.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:49:08,481 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:08,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.16ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 102.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:08,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.41ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:08,481 INFO L158 Benchmark]: Boogie Preprocessor took 35.73ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:08,481 INFO L158 Benchmark]: IcfgBuilder took 491.93ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 77.1MB in the end (delta: 20.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:49:08,481 INFO L158 Benchmark]: TraceAbstraction took 105.35ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 69.5MB in the end (delta: 7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:08,482 INFO L158 Benchmark]: Witness Printer took 72.42ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 63.6MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:08,483 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.16ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 102.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.41ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.73ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 491.93ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 77.1MB in the end (delta: 20.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 105.35ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 69.5MB in the end (delta: 7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.42ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 63.6MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 112]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 18:49:08,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE