./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0970b.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_0970b.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 7a3d3bb15f1283b96fbc9519b4946e30f904b241ec984b139ceb6db5a438fc07 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:47:59,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:47:59,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:47:59,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:47:59,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:47:59,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:47:59,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:47:59,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:47:59,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:47:59,205 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:47:59,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:47:59,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:47:59,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:47:59,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:47:59,206 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:47:59,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:47:59,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:47:59,206 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:47:59,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:47:59,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:47:59,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:47:59,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:47:59,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:47:59,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:47:59,207 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:47:59,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:47:59,207 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:47:59,207 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:47:59,207 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:47:59,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:47:59,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:47:59,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:47:59,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:47:59,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:47:59,209 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 -> 7a3d3bb15f1283b96fbc9519b4946e30f904b241ec984b139ceb6db5a438fc07 [2025-02-07 18:47:59,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:47:59,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:47:59,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:47:59,501 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:47:59,502 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:47:59,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2025-02-07 18:48:00,858 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9866d4115/a6609c20b08a45aeaedf208959a08a16/FLAGa616e0a00 [2025-02-07 18:48:01,153 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:48:01,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2025-02-07 18:48:01,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9866d4115/a6609c20b08a45aeaedf208959a08a16/FLAGa616e0a00 [2025-02-07 18:48:01,433 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9866d4115/a6609c20b08a45aeaedf208959a08a16 [2025-02-07 18:48:01,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:48:01,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:48:01,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:01,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:48:01,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:48:01,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443a955f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01, skipping insertion in model container [2025-02-07 18:48:01,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:48:01,618 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_0970b.c[4118,4131] [2025-02-07 18:48:01,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:01,634 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:48:01,670 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_0970b.c[4118,4131] [2025-02-07 18:48:01,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:01,685 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:48:01,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01 WrapperNode [2025-02-07 18:48:01,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:01,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:01,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:48:01,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:48:01,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,735 INFO L138 Inliner]: procedures = 18, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 259 [2025-02-07 18:48:01,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:01,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:48:01,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:48:01,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:48:01,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,776 INFO L175 MemorySlicer]: Split 14 memory accesses to 7 slices as follows [2, 2, 2, 2, 2, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:48:01,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,794 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:48:01,809 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:48:01,809 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:48:01,809 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:48:01,810 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (1/1) ... [2025-02-07 18:48:01,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:01,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:48:01,849 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 18:48:01,853 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 18:48:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:48:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:48:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:48:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:48:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:48:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:48:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:48:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:48:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:48:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:48:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:48:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:48:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:48:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:48:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:48:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:48:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:48:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:48:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:48:02,024 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:48:02,026 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:48:02,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: assume 0 == main_#t~ret17#1;havoc main_#t~ret17#1; [2025-02-07 18:48:02,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: assume !(0 == main_#t~ret17#1);havoc main_#t~ret17#1;main_#res#1 := 0;#t~ret18#1 := main_#res#1;havoc main_#t~ret16#1, main_#t~ret17#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:48:02,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:48:02,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume false;main_#res#1 := 1; [2025-02-07 18:48:02,348 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume !false; [2025-02-07 18:48:02,349 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L142: __ieee754_log10f_#t~ret15#1 := __ieee754_logf_#res#1;havoc __ieee754_logf_#t~mem4#1, __ieee754_logf_~#gf_u~0#1.base, __ieee754_logf_~#gf_u~0#1.offset, __ieee754_logf_#t~mem5#1, __ieee754_logf_~#gf_u~1#1.base, __ieee754_logf_~#gf_u~1#1.offset, __ieee754_logf_#t~bitwise6#1, __ieee754_logf_#t~bitwise7#1, __ieee754_logf_#t~bitwise8#1, __ieee754_logf_#t~mem9#1, __ieee754_logf_~#sf_u~0#1.base, __ieee754_logf_~#sf_u~0#1.offset, __ieee754_logf_#t~bitwise10#1, __ieee754_logf_~x#1, __ieee754_logf_~hfsq~0#1, __ieee754_logf_~f~0#1, __ieee754_logf_~s~0#1, __ieee754_logf_~z~0#1, __ieee754_logf_~R~0#1, __ieee754_logf_~w~0#1, __ieee754_logf_~t1~0#1, __ieee754_logf_~t2~0#1, __ieee754_logf_~dk~0#1, __ieee754_logf_~k~0#1, __ieee754_logf_~ix~0#1, __ieee754_logf_~i~0#1, __ieee754_logf_~j~0#1;havoc __ieee754_logf_#in~x#1;assume { :end_inline___ieee754_logf } true;__ieee754_log10f_~z~1#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(__ieee754_log10f_~y~0#1, ~log10_2lo_log10~0), ~someBinaryArithmeticFLOAToperation(~ivln10_log10~0, __ieee754_log10f_#t~ret15#1));havoc __ieee754_log10f_#t~ret15#1;__ieee754_log10f_#res#1 := ~someBinaryArithmeticFLOAToperation(__ieee754_log10f_~z~1#1, ~someBinaryArithmeticFLOAToperation(__ieee754_log10f_~y~0#1, ~log10_2hi_log10~0));main_#t~ret16#1 := __ieee754_log10f_#res#1;havoc __ieee754_log10f_#t~mem11#1, __ieee754_log10f_~#gf_u~2#1.base, __ieee754_log10f_~#gf_u~2#1.offset, __ieee754_log10f_#t~mem12#1, __ieee754_log10f_~#gf_u~3#1.base, __ieee754_log10f_~#gf_u~3#1.offset, __ieee754_log10f_#t~bitwise13#1, __ieee754_log10f_#t~mem14#1, __ieee754_log10f_~#sf_u~1#1.base, __ieee754_log10f_~#sf_u~1#1.offset, __ieee754_log10f_#t~ret15#1, __ieee754_log10f_~x#1, __ieee754_log10f_~y~0#1, __ieee754_log10f_~z~1#1, __ieee754_log10f_~i~1#1, __ieee754_log10f_~k~1#1, __ieee754_log10f_~hx~0#1;havoc __ieee754_log10f_#in~x#1;assume { :end_inline___ieee754_log10f } true;main_~res~0#1 := main_#t~ret16#1;havoc main_#t~ret16#1;assume { :begin_inline_isnan_float } true;isnan_float_#in~x#1 := main_~res~0#1;havoc isnan_float_#res#1;havoc isnan_float_~x#1;isnan_float_~x#1 := isnan_float_#in~x#1;isnan_float_#res#1 := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x#1, isnan_float_~x#1) then 1 else 0);main_#t~ret17#1 := isnan_float_#res#1;havoc isnan_float_~x#1;havoc isnan_float_#in~x#1;assume { :end_inline_isnan_float } true;assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647; [2025-02-07 18:48:02,366 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2025-02-07 18:48:02,367 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:48:02,396 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:48:02,396 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:48:02,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:02 BoogieIcfgContainer [2025-02-07 18:48:02,397 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:48:02,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:48:02,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:48:02,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:48:02,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:48:01" (1/3) ... [2025-02-07 18:48:02,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3fa15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:02, skipping insertion in model container [2025-02-07 18:48:02,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:01" (2/3) ... [2025-02-07 18:48:02,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3fa15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:02, skipping insertion in model container [2025-02-07 18:48:02,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:02" (3/3) ... [2025-02-07 18:48:02,407 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b.c [2025-02-07 18:48:02,423 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:48:02,425 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0970b.c that has 1 procedures, 75 locations, 1 initial locations, 12 loop locations, and 7 error locations. [2025-02-07 18:48:02,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:48:02,493 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;@28fc1cba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:48:02,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-02-07 18:48:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 66 states have (on average 1.7575757575757576) internal successors, (116), 73 states have internal predecessors, (116), 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 18:48:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:48:02,502 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:48:02,502 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:48:02,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 4 more)] === [2025-02-07 18:48:02,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:48:02,508 INFO L85 PathProgramCache]: Analyzing trace with hash 5415966, now seen corresponding path program 1 times [2025-02-07 18:48:02,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:48:02,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649210632] [2025-02-07 18:48:02,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:48:02,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:48:02,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:48:02,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:48:02,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:48:02,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:48:02,599 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:48:02,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:48:02,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:48:02,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:48:02,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:48:02,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:48:02,640 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:48:02,641 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 7 remaining) [2025-02-07 18:48:02,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2025-02-07 18:48:02,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 7 remaining) [2025-02-07 18:48:02,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 7 remaining) [2025-02-07 18:48:02,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 7 remaining) [2025-02-07 18:48:02,646 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 7 remaining) [2025-02-07 18:48:02,646 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 7 remaining) [2025-02-07 18:48:02,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:48:02,650 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:48:02,668 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:48:02,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:48:02 BoogieIcfgContainer [2025-02-07 18:48:02,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:48:02,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:48:02,674 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:48:02,674 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:48:02,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:02" (3/4) ... [2025-02-07 18:48:02,678 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:48:02,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:48:02,680 INFO L158 Benchmark]: Toolchain (without parser) took 1243.46ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 50.7MB in the end (delta: 55.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 18:48:02,680 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:02,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.70ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 92.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:02,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.53ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:02,681 INFO L158 Benchmark]: Boogie Preprocessor took 72.19ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 88.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:02,682 INFO L158 Benchmark]: IcfgBuilder took 587.42ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 64.4MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:48:02,684 INFO L158 Benchmark]: TraceAbstraction took 274.44ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 50.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:02,684 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 142.6MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:02,686 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.70ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 92.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.53ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.19ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 88.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 587.42ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 64.4MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 274.44ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 50.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 142.6MB. Free memory is still 50.7MB. 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: 112]: 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 112, overapproximation of someBinaryArithmeticFLOAToperation at line 156. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; [L100-L103] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L105] static const float zero = 0.0; [L156] float x = -1.0f / 0.0f; [L157] CALL __ieee754_log10f(x) [L108] float y, z; [L109] __int32_t i, k, hx; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=33554433, zero=0, zero_log=0] [L115] COND TRUE 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, zero=0, zero_log=0] [L112] ieee_float_shape_type gf_u; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=33554433, zero=0, zero_log=0] - UnprovableResult [Line: 161]: 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: 52]: 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: 43]: 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: 27]: 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: 138]: 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: 128]: 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, 75 locations, 7 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=74occurred 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 18:48:02,706 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_0970b.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 7a3d3bb15f1283b96fbc9519b4946e30f904b241ec984b139ceb6db5a438fc07 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:48:04,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:48:05,081 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:48:05,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:48:05,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:48:05,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:48:05,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:48:05,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:48:05,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:48:05,125 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:48:05,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:48:05,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:48:05,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:48:05,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:48:05,126 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:48:05,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:48:05,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:48:05,128 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:48:05,129 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:48:05,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:48:05,129 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:48:05,129 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:48:05,129 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:48:05,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:48:05,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:48:05,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:48:05,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:05,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:48:05,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:48:05,131 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:48:05,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:48:05,131 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:48:05,131 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:48:05,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:48:05,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:48:05,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:48:05,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:48:05,132 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 -> 7a3d3bb15f1283b96fbc9519b4946e30f904b241ec984b139ceb6db5a438fc07 [2025-02-07 18:48:05,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:48:05,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:48:05,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:48:05,430 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:48:05,431 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:48:05,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2025-02-07 18:48:06,754 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eda480d24/5fb43a6de2f64e838668b5d648e82d16/FLAGf665e6046 [2025-02-07 18:48:06,980 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:48:06,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0970b.c [2025-02-07 18:48:06,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eda480d24/5fb43a6de2f64e838668b5d648e82d16/FLAGf665e6046 [2025-02-07 18:48:07,010 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eda480d24/5fb43a6de2f64e838668b5d648e82d16 [2025-02-07 18:48:07,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:48:07,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:48:07,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:07,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:48:07,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:48:07,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7cfcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07, skipping insertion in model container [2025-02-07 18:48:07,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:48:07,222 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_0970b.c[4118,4131] [2025-02-07 18:48:07,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:07,244 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:48:07,282 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_0970b.c[4118,4131] [2025-02-07 18:48:07,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:07,303 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:48:07,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07 WrapperNode [2025-02-07 18:48:07,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:07,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:07,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:48:07,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:48:07,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,357 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 205 [2025-02-07 18:48:07,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:07,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:48:07,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:48:07,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:48:07,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,391 INFO L175 MemorySlicer]: Split 14 memory accesses to 7 slices as follows [2, 2, 2, 2, 2, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:48:07,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,413 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:48:07,427 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:48:07,427 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:48:07,427 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:48:07,428 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (1/1) ... [2025-02-07 18:48:07,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:07,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:48:07,460 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 18:48:07,466 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 18:48:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:48:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:48:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:48:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:48:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:48:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:48:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:48:07,598 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:48:07,600 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:48:43,355 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: assume 0bv32 == main_#t~ret12#1;havoc main_#t~ret12#1; [2025-02-07 18:48:43,356 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: assume !(0bv32 == main_#t~ret12#1);havoc main_#t~ret12#1;main_#res#1 := 0bv32;#t~ret13#1 := main_#res#1;havoc main_#t~ret11#1, main_#t~ret12#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:48:43,356 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:48:43,356 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume false;main_#res#1 := 1bv32; [2025-02-07 18:48:43,356 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume !false; [2025-02-07 18:48:43,356 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L142: __ieee754_log10f_#t~ret10#1 := __ieee754_logf_#res#1;havoc __ieee754_logf_#t~mem4#1, __ieee754_logf_~#gf_u~0#1.base, __ieee754_logf_~#gf_u~0#1.offset, __ieee754_logf_#t~mem5#1, __ieee754_logf_~#gf_u~1#1.base, __ieee754_logf_~#gf_u~1#1.offset, __ieee754_logf_#t~mem6#1, __ieee754_logf_~#sf_u~0#1.base, __ieee754_logf_~#sf_u~0#1.offset, __ieee754_logf_~x#1, __ieee754_logf_~hfsq~0#1, __ieee754_logf_~f~0#1, __ieee754_logf_~s~0#1, __ieee754_logf_~z~0#1, __ieee754_logf_~R~0#1, __ieee754_logf_~w~0#1, __ieee754_logf_~t1~0#1, __ieee754_logf_~t2~0#1, __ieee754_logf_~dk~0#1, __ieee754_logf_~k~0#1, __ieee754_logf_~ix~0#1, __ieee754_logf_~i~0#1, __ieee754_logf_~j~0#1;havoc __ieee754_logf_#in~x#1;assume { :end_inline___ieee754_logf } true;__ieee754_log10f_~z~1#1 := ~fp.add~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, __ieee754_log10f_~y~0#1, ~log10_2lo_log10~0), ~fp.mul~32(currentRoundingMode, ~ivln10_log10~0, __ieee754_log10f_#t~ret10#1));havoc __ieee754_log10f_#t~ret10#1;__ieee754_log10f_#res#1 := ~fp.add~32(currentRoundingMode, __ieee754_log10f_~z~1#1, ~fp.mul~32(currentRoundingMode, __ieee754_log10f_~y~0#1, ~log10_2hi_log10~0));main_#t~ret11#1 := __ieee754_log10f_#res#1;havoc __ieee754_log10f_#t~mem7#1, __ieee754_log10f_~#gf_u~2#1.base, __ieee754_log10f_~#gf_u~2#1.offset, __ieee754_log10f_#t~mem8#1, __ieee754_log10f_~#gf_u~3#1.base, __ieee754_log10f_~#gf_u~3#1.offset, __ieee754_log10f_#t~mem9#1, __ieee754_log10f_~#sf_u~1#1.base, __ieee754_log10f_~#sf_u~1#1.offset, __ieee754_log10f_#t~ret10#1, __ieee754_log10f_~x#1, __ieee754_log10f_~y~0#1, __ieee754_log10f_~z~1#1, __ieee754_log10f_~i~1#1, __ieee754_log10f_~k~1#1, __ieee754_log10f_~hx~0#1;havoc __ieee754_log10f_#in~x#1;assume { :end_inline___ieee754_log10f } true;main_~res~0#1 := main_#t~ret11#1;havoc main_#t~ret11#1;assume { :begin_inline_isnan_float } true;isnan_float_#in~x#1 := main_~res~0#1;havoc isnan_float_#res#1;havoc isnan_float_~x#1;isnan_float_~x#1 := isnan_float_#in~x#1;isnan_float_#res#1 := (if !~fp.eq~32(isnan_float_~x#1, isnan_float_~x#1) then 1bv32 else 0bv32);main_#t~ret12#1 := isnan_float_#res#1;havoc isnan_float_~x#1;havoc isnan_float_#in~x#1;assume { :end_inline_isnan_float } true; [2025-02-07 18:48:43,369 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2025-02-07 18:48:43,369 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:48:43,375 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:48:43,376 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:48:43,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:43 BoogieIcfgContainer [2025-02-07 18:48:43,376 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:48:43,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:48:43,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:48:43,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:48:43,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:48:07" (1/3) ... [2025-02-07 18:48:43,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7757d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:43, skipping insertion in model container [2025-02-07 18:48:43,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:07" (2/3) ... [2025-02-07 18:48:43,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7757d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:43, skipping insertion in model container [2025-02-07 18:48:43,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:43" (3/3) ... [2025-02-07 18:48:43,385 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970b.c [2025-02-07 18:48:43,397 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:48:43,398 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0970b.c that has 1 procedures, 37 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-07 18:48:43,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:48:43,454 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;@368b7140, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:48:43,454 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:48:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 35 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:48:43,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:48:43,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:48:43,471 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:48:43,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 35 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:48:43,489 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:48:43,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:48:43 BoogieIcfgContainer [2025-02-07 18:48:43,498 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:48:43,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:48:43,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:48:43,500 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:48:43,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:43" (3/4) ... [2025-02-07 18:48:43,502 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:48:43,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-02-07 18:48:43,513 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 18:48:43,513 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:48:43,513 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:48:43,607 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:48:43,608 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:48:43,608 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:48:43,609 INFO L158 Benchmark]: Toolchain (without parser) took 36594.96ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 37.6MB in the end (delta: 55.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:48:43,609 INFO L158 Benchmark]: CDTParser took 2.28ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 61.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:43,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.21ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:43,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.75ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:43,611 INFO L158 Benchmark]: Boogie Preprocessor took 66.37ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:43,612 INFO L158 Benchmark]: IcfgBuilder took 35949.00ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 52.1MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:48:43,612 INFO L158 Benchmark]: TraceAbstraction took 119.71ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 44.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:48:43,613 INFO L158 Benchmark]: Witness Printer took 108.71ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 37.6MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:43,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.28ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 61.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.21ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.75ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.37ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 35949.00ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 52.1MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 119.71ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 44.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 108.71ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 37.6MB in the end (delta: 6.8MB). 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 - PositiveResult [Line: 161]: 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, 37 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=36occurred 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 18:48:43,718 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 Writing output log to file Ultimate.log Result: TRUE