./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_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/double_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 d5c5ff1b3d40131cee5d1997b867471744922aa520d3755a38edc2a954869cdb --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:40:56,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:40:56,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:40:56,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:40:56,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:40:56,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:40:56,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:40:56,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:40:56,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:40:56,431 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:40:56,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:40:56,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:40:56,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:40:56,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:40:56,432 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:40:56,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:40:56,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:40:56,433 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:40:56,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:40:56,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:40:56,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:40:56,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:40:56,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:40:56,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:40:56,434 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:40:56,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:40:56,434 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:40:56,434 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:40:56,434 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:40:56,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:40:56,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:40:56,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:40:56,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:40:56,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:40:56,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:40:56,435 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:40:56,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:40:56,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:40:56,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:40:56,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:40:56,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:40:56,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:40:56,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:40:56,436 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 -> d5c5ff1b3d40131cee5d1997b867471744922aa520d3755a38edc2a954869cdb [2025-02-07 18:40:56,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:40:56,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:40:56,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:40:56,757 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:40:56,758 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:40:56,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2025-02-07 18:40:58,120 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/667d936b3/08c2a070df6b431b820cc6abeaf8f4e5/FLAGd6fe52aba [2025-02-07 18:40:58,430 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:40:58,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2025-02-07 18:40:58,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/667d936b3/08c2a070df6b431b820cc6abeaf8f4e5/FLAGd6fe52aba [2025-02-07 18:40:58,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/667d936b3/08c2a070df6b431b820cc6abeaf8f4e5 [2025-02-07 18:40:58,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:40:58,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:40:58,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:40:58,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:40:58,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:40:58,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8ba34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58, skipping insertion in model container [2025-02-07 18:40:58,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:40:58,684 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/double_req_bl_0970b.c[4615,4628] [2025-02-07 18:40:58,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:40:58,698 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:40:58,750 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/double_req_bl_0970b.c[4615,4628] [2025-02-07 18:40:58,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:40:58,774 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:40:58,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58 WrapperNode [2025-02-07 18:40:58,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:40:58,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:40:58,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:40:58,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:40:58,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,830 INFO L138 Inliner]: procedures = 18, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 287 [2025-02-07 18:40:58,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:40:58,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:40:58,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:40:58,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:40:58,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,877 INFO L175 MemorySlicer]: Split 18 memory accesses to 7 slices as follows [2, 2, 3, 3, 3, 2, 3]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 2, 1, 1, 1, 2]. [2025-02-07 18:40:58,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,900 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:40:58,908 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:40:58,908 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:40:58,908 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:40:58,909 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (1/1) ... [2025-02-07 18:40:58,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:40:58,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:40:58,941 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 18:40:58,946 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 18:40:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:40:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:40:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:40:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:40:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:40:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:40:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:40:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:40:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:40:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:40:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:40:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:40:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:40:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:40:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:40:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:40:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:40:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:40:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:40:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:40:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:40:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:40:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:40:59,125 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:40:59,127 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:40:59,474 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L176: assume 0 == main_#t~ret21#1;havoc main_#t~ret21#1; [2025-02-07 18:40:59,474 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L176: assume !(0 == main_#t~ret21#1);havoc main_#t~ret21#1;main_#res#1 := 0;#t~ret22#1 := main_#res#1;havoc main_#t~ret20#1, main_#t~ret21#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:40:59,474 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:40:59,475 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L177: assume false;main_#res#1 := 1; [2025-02-07 18:40:59,475 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L177: assume !false; [2025-02-07 18:40:59,475 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L158: __ieee754_log10_#t~ret19#1 := __ieee754_log_#res#1;havoc __ieee754_log_#t~mem4#1, __ieee754_log_#t~mem5#1, __ieee754_log_~#ew_u~0#1.base, __ieee754_log_~#ew_u~0#1.offset, __ieee754_log_#t~bitwise6#1, __ieee754_log_#t~mem7#1, __ieee754_log_~#gh_u~0#1.base, __ieee754_log_~#gh_u~0#1.offset, __ieee754_log_#t~bitwise8#1, __ieee754_log_#t~bitwise9#1, __ieee754_log_#t~bitwise10#1, __ieee754_log_#t~mem11#1, __ieee754_log_~#sh_u~0#1.base, __ieee754_log_~#sh_u~0#1.offset, __ieee754_log_#t~bitwise12#1, __ieee754_log_~x#1, __ieee754_log_~hfsq~0#1, __ieee754_log_~f~0#1, __ieee754_log_~s~0#1, __ieee754_log_~z~0#1, __ieee754_log_~R~0#1, __ieee754_log_~w~0#1, __ieee754_log_~t1~0#1, __ieee754_log_~t2~0#1, __ieee754_log_~dk~0#1, __ieee754_log_~k~0#1, __ieee754_log_~hx~0#1, __ieee754_log_~i~0#1, __ieee754_log_~j~0#1, __ieee754_log_~lx~0#1;havoc __ieee754_log_#in~x#1;assume { :end_inline___ieee754_log } true;__ieee754_log10_~z~1#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(__ieee754_log10_~y~0#1, ~log10_2lo_log10~0), ~someBinaryArithmeticDOUBLEoperation(~ivln10_log10~0, __ieee754_log10_#t~ret19#1));havoc __ieee754_log10_#t~ret19#1;__ieee754_log10_#res#1 := ~someBinaryArithmeticDOUBLEoperation(__ieee754_log10_~z~1#1, ~someBinaryArithmeticDOUBLEoperation(__ieee754_log10_~y~0#1, ~log10_2hi_log10~0));main_#t~ret20#1 := __ieee754_log10_#res#1;havoc __ieee754_log10_#t~mem13#1, __ieee754_log10_#t~mem14#1, __ieee754_log10_~#ew_u~1#1.base, __ieee754_log10_~#ew_u~1#1.offset, __ieee754_log10_#t~bitwise15#1, __ieee754_log10_#t~mem16#1, __ieee754_log10_~#gh_u~1#1.base, __ieee754_log10_~#gh_u~1#1.offset, __ieee754_log10_#t~bitwise17#1, __ieee754_log10_#t~mem18#1, __ieee754_log10_~#sh_u~1#1.base, __ieee754_log10_~#sh_u~1#1.offset, __ieee754_log10_#t~ret19#1, __ieee754_log10_~x#1, __ieee754_log10_~y~0#1, __ieee754_log10_~z~1#1, __ieee754_log10_~i~1#1, __ieee754_log10_~k~1#1, __ieee754_log10_~hx~1#1, __ieee754_log10_~lx~1#1;havoc __ieee754_log10_#in~x#1;assume { :end_inline___ieee754_log10 } true;main_~res~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x#1, isnan_double_~x#1) then 1 else 0);main_#t~ret21#1 := isnan_double_#res#1;havoc isnan_double_~x#1;havoc isnan_double_#in~x#1;assume { :end_inline_isnan_double } true;assume -2147483648 <= main_#t~ret21#1 && main_#t~ret21#1 <= 2147483647; [2025-02-07 18:40:59,494 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2025-02-07 18:40:59,494 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:40:59,524 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:40:59,524 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:40:59,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:40:59 BoogieIcfgContainer [2025-02-07 18:40:59,524 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:40:59,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:40:59,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:40:59,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:40:59,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:40:58" (1/3) ... [2025-02-07 18:40:59,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f51411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:40:59, skipping insertion in model container [2025-02-07 18:40:59,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:58" (2/3) ... [2025-02-07 18:40:59,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f51411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:40:59, skipping insertion in model container [2025-02-07 18:40:59,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:40:59" (3/3) ... [2025-02-07 18:40:59,538 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2025-02-07 18:40:59,551 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:40:59,553 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0970b.c that has 1 procedures, 79 locations, 1 initial locations, 12 loop locations, and 7 error locations. [2025-02-07 18:40:59,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:40:59,606 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;@55a55ebd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:40:59,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-02-07 18:40:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 70 states have (on average 1.7714285714285714) internal successors, (124), 77 states have internal predecessors, (124), 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 18:40:59,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:40:59,616 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:40:59,616 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:40:59,617 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 18:40:59,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:40:59,622 INFO L85 PathProgramCache]: Analyzing trace with hash 5970078, now seen corresponding path program 1 times [2025-02-07 18:40:59,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:40:59,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305290142] [2025-02-07 18:40:59,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:40:59,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:40:59,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:40:59,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:40:59,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:40:59,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:40:59,710 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:40:59,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:40:59,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:40:59,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:40:59,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:40:59,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:40:59,752 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:40:59,753 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 7 remaining) [2025-02-07 18:40:59,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2025-02-07 18:40:59,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 7 remaining) [2025-02-07 18:40:59,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 7 remaining) [2025-02-07 18:40:59,756 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 7 remaining) [2025-02-07 18:40:59,756 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 7 remaining) [2025-02-07 18:40:59,756 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 7 remaining) [2025-02-07 18:40:59,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:40:59,763 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:40:59,780 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:40:59,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:40:59 BoogieIcfgContainer [2025-02-07 18:40:59,784 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:40:59,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:40:59,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:40:59,785 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:40:59,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:40:59" (3/4) ... [2025-02-07 18:40:59,790 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:40:59,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:40:59,792 INFO L158 Benchmark]: Toolchain (without parser) took 1312.86ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 55.0MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 18:40:59,792 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 226.5MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:40:59,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.33ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 99.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:40:59,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.21ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 97.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:40:59,794 INFO L158 Benchmark]: Boogie Preprocessor took 73.01ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 94.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:40:59,794 INFO L158 Benchmark]: IcfgBuilder took 616.69ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 69.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:40:59,794 INFO L158 Benchmark]: TraceAbstraction took 253.95ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 55.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:40:59,794 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:40:59,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 226.5MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.33ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 99.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.21ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 97.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.01ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 94.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 616.69ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 69.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 253.95ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 55.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory is still 55.0MB. 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: 126]: 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 someBinaryArithmeticDOUBLEoperation at line 172, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 126. Possible FailurePath: [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L30] static const double zero = 0.0; [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L118] static const double zero_log10 = 0.0; [L172] double x = -1.0 / 0.0; [L173] CALL __ieee754_log10(x) [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481985, zero=0, zero_log10=0] [L130] COND TRUE 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, zero=0, zero_log10=0] [L126] ieee_double_shape_type ew_u; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481985, zero=0, zero_log10=0] - UnprovableResult [Line: 177]: 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: 64]: 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: 53]: 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: 38]: 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: 153]: 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: 141]: 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, 79 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=78occurred 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 18:40:59,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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/double_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 d5c5ff1b3d40131cee5d1997b867471744922aa520d3755a38edc2a954869cdb --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:41:02,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:41:02,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:41:02,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:41:02,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:41:02,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:41:02,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:41:02,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:41:02,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:41:02,266 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:41:02,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:41:02,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:41:02,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:41:02,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:41:02,267 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:41:02,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:41:02,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:41:02,268 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:41:02,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:41:02,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:41:02,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:41:02,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:41:02,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:41:02,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:41:02,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:41:02,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:41:02,269 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:41:02,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:41:02,269 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:41:02,270 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:41:02,270 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:41:02,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:41:02,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:41:02,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:41:02,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:41:02,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:41:02,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:41:02,271 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:41:02,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:41:02,271 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:41:02,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:41:02,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:41:02,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:41:02,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:41:02,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:41:02,272 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 -> d5c5ff1b3d40131cee5d1997b867471744922aa520d3755a38edc2a954869cdb [2025-02-07 18:41:02,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:41:02,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:41:02,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:41:02,585 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:41:02,585 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:41:02,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2025-02-07 18:41:03,871 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb6e3bdf1/9c1b21a7b6864260abc0d2701dd0263e/FLAGcca3c096e [2025-02-07 18:41:04,055 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:41:04,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2025-02-07 18:41:04,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb6e3bdf1/9c1b21a7b6864260abc0d2701dd0263e/FLAGcca3c096e [2025-02-07 18:41:04,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb6e3bdf1/9c1b21a7b6864260abc0d2701dd0263e [2025-02-07 18:41:04,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:41:04,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:41:04,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:41:04,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:41:04,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:41:04,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fda1a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04, skipping insertion in model container [2025-02-07 18:41:04,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:41:04,320 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/double_req_bl_0970b.c[4615,4628] [2025-02-07 18:41:04,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:41:04,340 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:41:04,387 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/double_req_bl_0970b.c[4615,4628] [2025-02-07 18:41:04,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:41:04,415 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:41:04,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04 WrapperNode [2025-02-07 18:41:04,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:41:04,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:41:04,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:41:04,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:41:04,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,466 INFO L138 Inliner]: procedures = 21, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 215 [2025-02-07 18:41:04,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:41:04,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:41:04,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:41:04,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:41:04,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,493 INFO L175 MemorySlicer]: Split 18 memory accesses to 7 slices as follows [2, 3, 3, 3, 2, 2, 3]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 2, 1, 1, 2]. [2025-02-07 18:41:04,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:41:04,544 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:41:04,544 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:41:04,544 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:41:04,545 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (1/1) ... [2025-02-07 18:41:04,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:41:04,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:41:04,576 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 18:41:04,583 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 18:41:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:41:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-07 18:41:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-07 18:41:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-07 18:41:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-07 18:41:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-02-07 18:41:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:41:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:41:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:41:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:41:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:41:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:41:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:41:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:41:04,759 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:41:04,761 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:42:02,656 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L176: assume 0bv32 == main_#t~ret14#1;havoc main_#t~ret14#1; [2025-02-07 18:42:02,657 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L176: assume !(0bv32 == main_#t~ret14#1);havoc main_#t~ret14#1;main_#res#1 := 0bv32;#t~ret15#1 := main_#res#1;havoc main_#t~ret13#1, main_#t~ret14#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:42:02,657 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:42:02,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L177: assume false;main_#res#1 := 1bv32; [2025-02-07 18:42:02,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L177: assume !false; [2025-02-07 18:42:02,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L158: __ieee754_log10_#t~ret12#1 := __ieee754_log_#res#1;havoc __ieee754_log_#t~mem4#1, __ieee754_log_#t~mem5#1, __ieee754_log_~#ew_u~0#1.base, __ieee754_log_~#ew_u~0#1.offset, __ieee754_log_#t~mem6#1, __ieee754_log_~#gh_u~0#1.base, __ieee754_log_~#gh_u~0#1.offset, __ieee754_log_#t~mem7#1, __ieee754_log_~#sh_u~0#1.base, __ieee754_log_~#sh_u~0#1.offset, __ieee754_log_~x#1, __ieee754_log_~hfsq~0#1, __ieee754_log_~f~0#1, __ieee754_log_~s~0#1, __ieee754_log_~z~0#1, __ieee754_log_~R~0#1, __ieee754_log_~w~0#1, __ieee754_log_~t1~0#1, __ieee754_log_~t2~0#1, __ieee754_log_~dk~0#1, __ieee754_log_~k~0#1, __ieee754_log_~hx~0#1, __ieee754_log_~i~0#1, __ieee754_log_~j~0#1, __ieee754_log_~lx~0#1;havoc __ieee754_log_#in~x#1;assume { :end_inline___ieee754_log } true;__ieee754_log10_~z~1#1 := ~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, __ieee754_log10_~y~0#1, ~log10_2lo_log10~0), ~fp.mul~64(currentRoundingMode, ~ivln10_log10~0, __ieee754_log10_#t~ret12#1));havoc __ieee754_log10_#t~ret12#1;__ieee754_log10_#res#1 := ~fp.add~64(currentRoundingMode, __ieee754_log10_~z~1#1, ~fp.mul~64(currentRoundingMode, __ieee754_log10_~y~0#1, ~log10_2hi_log10~0));main_#t~ret13#1 := __ieee754_log10_#res#1;havoc __ieee754_log10_#t~mem8#1, __ieee754_log10_#t~mem9#1, __ieee754_log10_~#ew_u~1#1.base, __ieee754_log10_~#ew_u~1#1.offset, __ieee754_log10_#t~mem10#1, __ieee754_log10_~#gh_u~1#1.base, __ieee754_log10_~#gh_u~1#1.offset, __ieee754_log10_#t~mem11#1, __ieee754_log10_~#sh_u~1#1.base, __ieee754_log10_~#sh_u~1#1.offset, __ieee754_log10_#t~ret12#1, __ieee754_log10_~x#1, __ieee754_log10_~y~0#1, __ieee754_log10_~z~1#1, __ieee754_log10_~i~1#1, __ieee754_log10_~k~1#1, __ieee754_log10_~hx~1#1, __ieee754_log10_~lx~1#1;havoc __ieee754_log10_#in~x#1;assume { :end_inline___ieee754_log10 } true;main_~res~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if !~fp.eq~64(isnan_double_~x#1, isnan_double_~x#1) then 1bv32 else 0bv32);main_#t~ret14#1 := isnan_double_#res#1;havoc isnan_double_~x#1;havoc isnan_double_#in~x#1;assume { :end_inline_isnan_double } true; [2025-02-07 18:42:02,671 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2025-02-07 18:42:02,671 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:42:02,679 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:42:02,680 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:42:02,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:02 BoogieIcfgContainer [2025-02-07 18:42:02,681 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:42:02,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:42:02,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:42:02,687 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:42:02,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:41:04" (1/3) ... [2025-02-07 18:42:02,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27032605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:42:02, skipping insertion in model container [2025-02-07 18:42:02,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:41:04" (2/3) ... [2025-02-07 18:42:02,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27032605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:42:02, skipping insertion in model container [2025-02-07 18:42:02,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:02" (3/3) ... [2025-02-07 18:42:02,690 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2025-02-07 18:42:02,704 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:42:02,706 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0970b.c that has 1 procedures, 35 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-07 18:42:02,750 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:42:02,759 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;@69aa9209, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:42:02,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:42:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.84375) internal successors, (59), 33 states have internal predecessors, (59), 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 18:42:02,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:42:02,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:42:02,778 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:42:02,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 32 states have (on average 1.84375) internal successors, (59), 33 states have internal predecessors, (59), 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 18:42:02,805 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:42:02,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:42:02 BoogieIcfgContainer [2025-02-07 18:42:02,816 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:42:02,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:42:02,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:42:02,817 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:42:02,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:02" (3/4) ... [2025-02-07 18:42:02,820 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:42:02,826 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-02-07 18:42:02,827 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 18:42:02,827 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:42:02,828 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:42:02,897 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:42:02,898 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:42:02,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:42:02,899 INFO L158 Benchmark]: Toolchain (without parser) took 58810.21ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 41.2MB in the end (delta: 18.6MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2025-02-07 18:42:02,899 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:02,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.93ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 45.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:42:02,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.68ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 43.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:02,900 INFO L158 Benchmark]: Boogie Preprocessor took 75.51ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 39.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:02,900 INFO L158 Benchmark]: IcfgBuilder took 58137.33ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 55.9MB in the end (delta: -16.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2025-02-07 18:42:02,901 INFO L158 Benchmark]: TraceAbstraction took 132.93ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 48.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:42:02,901 INFO L158 Benchmark]: Witness Printer took 80.86ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 41.2MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:42:02,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.93ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 45.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.68ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 43.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.51ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 39.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 58137.33ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 55.9MB in the end (delta: -16.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * TraceAbstraction took 132.93ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 48.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 80.86ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 41.2MB in the end (delta: 6.8MB). 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: 177]: 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, 35 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=34occurred 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 18:42:03,113 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-02-07 18:42:03,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE