./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0930.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_0930.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 d0cec7ddb8a2645a0ba1656999ba73d1a21b29e3fbe1129f436b67dd30c2f050 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:47:49,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:47:49,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:47:49,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:47:49,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:47:49,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:47:49,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:47:49,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:47:49,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:47:49,993 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:47:49,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:47:49,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:47:49,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:47:49,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:47:49,995 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:47:49,996 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:47:49,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:47:49,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:47:49,996 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 -> d0cec7ddb8a2645a0ba1656999ba73d1a21b29e3fbe1129f436b67dd30c2f050 [2025-02-07 18:47:50,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:47:50,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:47:50,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:47:50,294 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:47:50,294 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:47:50,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2025-02-07 18:47:51,525 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8334c780/728e273353fe4222a18759651de5d334/FLAG3260b339c [2025-02-07 18:47:51,836 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:47:51,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2025-02-07 18:47:51,846 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8334c780/728e273353fe4222a18759651de5d334/FLAG3260b339c [2025-02-07 18:47:52,106 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8334c780/728e273353fe4222a18759651de5d334 [2025-02-07 18:47:52,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:47:52,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:47:52,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:47:52,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:47:52,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:47:52,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d319fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52, skipping insertion in model container [2025-02-07 18:47:52,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:47:52,286 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_0930.c[3104,3117] [2025-02-07 18:47:52,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:47:52,301 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:47:52,330 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_0930.c[3104,3117] [2025-02-07 18:47:52,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:47:52,342 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:47:52,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52 WrapperNode [2025-02-07 18:47:52,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:47:52,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:47:52,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:47:52,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:47:52,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,378 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 198 [2025-02-07 18:47:52,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:47:52,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:47:52,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:47:52,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:47:52,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,387 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,401 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2025-02-07 18:47:52,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,415 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:47:52,424 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:47:52,424 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:47:52,424 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:47:52,425 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (1/1) ... [2025-02-07 18:47:52,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:47:52,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:47:52,454 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 18:47:52,455 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 18:47:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:47:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:47:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:47:52,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:47:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:47:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:47:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:47:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:47:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:47:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:47:52,591 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:47:52,592 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:47:52,877 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume !main_#t~short14#1;havoc main_#t~ret13#1;havoc main_#t~short14#1; [2025-02-07 18:47:52,877 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume !!main_#t~short14#1;havoc main_#t~ret13#1;havoc main_#t~short14#1;main_#res#1 := 0;#t~ret15#1 := main_#res#1;havoc main_#t~ret12#1, main_#t~ret13#1, main_#t~short14#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:47:52,878 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-1: main_#t~ret13#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem11#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;assume -2147483648 <= main_#t~ret13#1 && main_#t~ret13#1 <= 2147483647;main_#t~short14#1 := 0 == main_#t~ret13#1; [2025-02-07 18:47:52,878 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-2: assume main_#t~short14#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~mem11#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~1#1; [2025-02-07 18:47:52,878 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-2: assume !main_#t~short14#1; [2025-02-07 18:47:52,878 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:47:52,878 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume false;main_#res#1 := 1; [2025-02-07 18:47:52,878 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume !false; [2025-02-07 18:47:52,878 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: main_#t~ret12#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;main_~res~0#1 := main_#t~ret12#1;havoc main_#t~ret12#1;main_#t~short14#1 := ~someBinaryFLOATComparisonOperation(main_~res~0#1, 0.0); [2025-02-07 18:47:52,878 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L103: assume true; [2025-02-07 18:47:52,879 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L103: assume !true; [2025-02-07 18:47:52,879 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L103-1: assume false; [2025-02-07 18:47:52,879 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L103-1: assume !false; [2025-02-07 18:47:52,879 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L104: assume true; [2025-02-07 18:47:52,879 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L104: assume !true;call __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset := #Ultimate.allocOnStack(4);call write~real#2(__signbit_float_~x#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, 4);call __signbit_float_#t~mem11#1 := read~int#2(__signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, 4);__signbit_float_~w~1#1 := __signbit_float_#t~mem11#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset);havoc __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset;havoc __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset;havoc __signbit_float_#t~mem11#1; [2025-02-07 18:47:52,879 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L104-1: assume false; [2025-02-07 18:47:52,879 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L104-1: assume !false; [2025-02-07 18:47:52,879 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L109-1: __signbit_float_#res#1 := (if 0 != (__signbit_float_~w~1#1 - __signbit_float_~w~1#1 % 2147483648) % 4294967296 then 1 else 0); [2025-02-07 18:47:52,897 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2025-02-07 18:47:52,897 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:47:52,923 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:47:52,923 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:47:52,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:52 BoogieIcfgContainer [2025-02-07 18:47:52,924 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:47:52,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:47:52,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:47:52,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:47:52,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:47:52" (1/3) ... [2025-02-07 18:47:52,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524ef701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:47:52, skipping insertion in model container [2025-02-07 18:47:52,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:52" (2/3) ... [2025-02-07 18:47:52,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@524ef701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:47:52, skipping insertion in model container [2025-02-07 18:47:52,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:52" (3/3) ... [2025-02-07 18:47:52,933 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0930.c [2025-02-07 18:47:52,945 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:47:52,946 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0930.c that has 1 procedures, 48 locations, 1 initial locations, 8 loop locations, and 5 error locations. [2025-02-07 18:47:52,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:47:53,009 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;@f92438e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:47:53,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-07 18:47:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 43 states have (on average 1.744186046511628) internal successors, (75), 46 states have internal predecessors, (75), 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 18:47:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:47:53,019 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:47:53,020 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:47:53,021 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2025-02-07 18:47:53,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:47:53,025 INFO L85 PathProgramCache]: Analyzing trace with hash 4430878, now seen corresponding path program 1 times [2025-02-07 18:47:53,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:47:53,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844882865] [2025-02-07 18:47:53,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:47:53,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:47:53,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:47:53,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:47:53,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:47:53,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:47:53,121 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:47:53,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:47:53,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:47:53,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:47:53,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:47:53,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:47:53,158 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:47:53,159 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 5 remaining) [2025-02-07 18:47:53,161 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2025-02-07 18:47:53,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 5 remaining) [2025-02-07 18:47:53,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 5 remaining) [2025-02-07 18:47:53,162 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 5 remaining) [2025-02-07 18:47:53,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:47:53,169 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:47:53,188 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:47:53,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:47:53 BoogieIcfgContainer [2025-02-07 18:47:53,191 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:47:53,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:47:53,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:47:53,193 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:47:53,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:52" (3/4) ... [2025-02-07 18:47:53,196 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:47:53,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:47:53,198 INFO L158 Benchmark]: Toolchain (without parser) took 1087.37ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 54.5MB in the end (delta: 50.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:47:53,198 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 192.9MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:53,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.90ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 92.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:47:53,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.57ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:47:53,200 INFO L158 Benchmark]: Boogie Preprocessor took 41.98ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 87.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:53,200 INFO L158 Benchmark]: IcfgBuilder took 499.61ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 68.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:47:53,200 INFO L158 Benchmark]: TraceAbstraction took 265.06ms. Allocated memory is still 142.6MB. Free memory was 67.7MB in the beginning and 54.8MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:47:53,200 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 54.5MB in the end (delta: 306.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:53,203 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 192.9MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.90ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 92.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.57ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.98ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 87.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 499.61ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 68.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 265.06ms. Allocated memory is still 142.6MB. Free memory was 67.7MB in the beginning and 54.8MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 54.5MB in the end (delta: 306.2kB). 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: 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: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 27. 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; [L118] float x = 1.0f; [L119] CALL __ieee754_logf(x) [L23] float hfsq, f, s, z, R, w, t1, t2, dk; [L24] __int32_t k, ix, i, j; 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, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L30] 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, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L27] 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, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] - UnprovableResult [Line: 123]: 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: 104]: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 5 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=47occurred 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 18:47:53,222 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_0930.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 d0cec7ddb8a2645a0ba1656999ba73d1a21b29e3fbe1129f436b67dd30c2f050 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:47:55,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:47:55,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:47:55,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:47:55,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:47:55,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:47:55,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:47:55,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:47:55,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:47:55,600 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:47:55,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:47:55,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:47:55,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:47:55,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:47:55,602 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:47:55,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:47:55,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:47:55,603 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:47:55,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:47:55,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:47:55,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:47:55,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:47:55,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:47:55,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:47:55,604 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:47:55,604 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:47:55,604 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:47:55,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:47:55,604 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:47:55,604 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:47:55,604 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:47:55,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:47:55,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:47:55,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:47:55,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:47:55,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:47:55,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:47:55,606 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:47:55,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:47:55,606 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:47:55,606 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:47:55,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:47:55,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:47:55,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:47:55,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:47:55,606 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 -> d0cec7ddb8a2645a0ba1656999ba73d1a21b29e3fbe1129f436b67dd30c2f050 [2025-02-07 18:47:55,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:47:55,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:47:55,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:47:55,901 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:47:55,901 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:47:55,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2025-02-07 18:47:57,270 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0acf538ba/8f2beebc768245ed95a335bc4433d2a6/FLAG60ee6ad04 [2025-02-07 18:47:57,495 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:47:57,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2025-02-07 18:47:57,506 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0acf538ba/8f2beebc768245ed95a335bc4433d2a6/FLAG60ee6ad04 [2025-02-07 18:47:57,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0acf538ba/8f2beebc768245ed95a335bc4433d2a6 [2025-02-07 18:47:57,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:47:57,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:47:57,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:47:57,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:47:57,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:47:57,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d468f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57, skipping insertion in model container [2025-02-07 18:47:57,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:47:57,757 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_0930.c[3104,3117] [2025-02-07 18:47:57,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:47:57,785 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:47:57,826 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_0930.c[3104,3117] [2025-02-07 18:47:57,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:47:57,849 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:47:57,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57 WrapperNode [2025-02-07 18:47:57,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:47:57,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:47:57,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:47:57,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:47:57,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,911 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 156 [2025-02-07 18:47:57,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:47:57,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:47:57,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:47:57,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:47:57,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,943 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2025-02-07 18:47:57,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,953 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:47:57,967 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:47:57,967 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:47:57,968 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:47:57,969 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (1/1) ... [2025-02-07 18:47:57,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:47:57,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:47:58,007 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 18:47:58,011 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 18:47:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:47:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:47:58,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:47:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:47:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:47:58,133 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:47:58,135 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:48:26,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume !main_#t~short10#1;havoc main_#t~ret9#1;havoc main_#t~short10#1; [2025-02-07 18:48:26,209 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume !!main_#t~short10#1;havoc main_#t~ret9#1;havoc main_#t~short10#1;main_#res#1 := 0bv32;#t~ret11#1 := main_#res#1;havoc main_#t~ret8#1, main_#t~ret9#1, main_#t~short10#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-1: main_#t~ret9#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem7#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;main_#t~short10#1 := 0bv32 == main_#t~ret9#1; [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-2: assume main_#t~short10#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~mem7#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~1#1; [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-2: assume !main_#t~short10#1; [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume false;main_#res#1 := 1bv32; [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume !false; [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: main_#t~ret8#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;main_~res~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;main_#t~short10#1 := ~fp.eq~32(main_~res~0#1, ~Pluszero~32()); [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L109-1: __signbit_float_#res#1 := (if 0bv32 != ~bvand~32(2147483648bv32, __signbit_float_~w~1#1) then 1bv32 else 0bv32); [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L103: assume true;call __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4#2(__signbit_float_~x#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, 4bv32);call __signbit_float_#t~mem7#1 := read~intINTTYPE4#2(__signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, 4bv32);__signbit_float_~w~1#1 := __signbit_float_#t~mem7#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset);havoc __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset;havoc __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset;havoc __signbit_float_#t~mem7#1; [2025-02-07 18:48:26,210 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L103: assume !true; [2025-02-07 18:48:26,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L103-1: assume false; [2025-02-07 18:48:26,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L103-1: assume !false; [2025-02-07 18:48:26,224 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2025-02-07 18:48:26,224 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:48:26,233 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:48:26,235 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:48:26,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:26 BoogieIcfgContainer [2025-02-07 18:48:26,235 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:48:26,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:48:26,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:48:26,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:48:26,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:47:57" (1/3) ... [2025-02-07 18:48:26,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5138c3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:26, skipping insertion in model container [2025-02-07 18:48:26,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:57" (2/3) ... [2025-02-07 18:48:26,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5138c3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:26, skipping insertion in model container [2025-02-07 18:48:26,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:26" (3/3) ... [2025-02-07 18:48:26,248 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0930.c [2025-02-07 18:48:26,262 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:48:26,263 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0930.c that has 1 procedures, 23 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-07 18:48:26,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:48:26,339 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;@41a8b5f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:48:26,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:48:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 21 states have internal predecessors, (38), 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 18:48:26,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:48:26,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:48:26,356 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:48:26,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 21 states have internal predecessors, (38), 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 18:48:26,377 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:48:26,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:48:26 BoogieIcfgContainer [2025-02-07 18:48:26,385 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:48:26,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:48:26,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:48:26,387 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:48:26,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:26" (3/4) ... [2025-02-07 18:48:26,390 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:48:26,398 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-07 18:48:26,399 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 18:48:26,400 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:48:26,400 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:48:26,481 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:48:26,482 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:48:26,482 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:48:26,483 INFO L158 Benchmark]: Toolchain (without parser) took 28948.61ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 47.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2025-02-07 18:48:26,483 INFO L158 Benchmark]: CDTParser took 2.33ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:26,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.34ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 45.9MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:26,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.85ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:26,485 INFO L158 Benchmark]: Boogie Preprocessor took 52.15ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 41.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:26,486 INFO L158 Benchmark]: IcfgBuilder took 28268.07ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 23.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:26,486 INFO L158 Benchmark]: TraceAbstraction took 147.20ms. Allocated memory is still 83.9MB. Free memory was 23.1MB in the beginning and 53.5MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:26,487 INFO L158 Benchmark]: Witness Printer took 95.13ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 47.2MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:48:26,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.34ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 45.9MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.85ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.15ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 41.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 28268.07ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 23.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 147.20ms. Allocated memory is still 83.9MB. Free memory was 23.1MB in the beginning and 53.5MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.13ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 47.2MB in the end (delta: 6.3MB). 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: 123]: 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, 23 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=22occurred 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 18:48:26,613 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