./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0250b.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_0250b.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 9033f05f589e1195fbdad23abe16d3b24ce3353f33e3f085fe8fae82ec5a9118 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:42:38,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:42:38,078 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:42:38,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:42:38,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:42:38,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:42:38,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:42:38,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:42:38,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:42:38,096 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:42:38,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:42:38,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:42:38,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:42:38,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:42:38,097 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:42:38,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:42:38,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:42:38,097 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:42:38,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:42:38,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:42:38,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:42:38,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:42:38,098 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:42:38,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:42:38,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:42:38,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:42:38,099 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 -> 9033f05f589e1195fbdad23abe16d3b24ce3353f33e3f085fe8fae82ec5a9118 [2025-02-07 18:42:38,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:42:38,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:42:38,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:42:38,298 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:42:38,298 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:42:38,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2025-02-07 18:42:39,361 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e00c6c818/fa3fb553f26f4abc96afa9975ad39bd4/FLAG4e4d07aee [2025-02-07 18:42:39,655 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:42:39,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2025-02-07 18:42:39,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e00c6c818/fa3fb553f26f4abc96afa9975ad39bd4/FLAG4e4d07aee [2025-02-07 18:42:39,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e00c6c818/fa3fb553f26f4abc96afa9975ad39bd4 [2025-02-07 18:42:39,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:42:39,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:42:39,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:42:39,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:42:39,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:42:39,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:42:39" (1/1) ... [2025-02-07 18:42:39,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b1a9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:39, skipping insertion in model container [2025-02-07 18:42:39,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:42:39" (1/1) ... [2025-02-07 18:42:39,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:42:40,072 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_0250b.c[5435,5448] [2025-02-07 18:42:40,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:42:40,094 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:42:40,139 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_0250b.c[5435,5448] [2025-02-07 18:42:40,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:42:40,150 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:42:40,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40 WrapperNode [2025-02-07 18:42:40,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:42:40,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:42:40,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:42:40,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:42:40,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,185 INFO L138 Inliner]: procedures = 20, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 268 [2025-02-07 18:42:40,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:42:40,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:42:40,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:42:40,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:42:40,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,204 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:42:40,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,212 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:42:40,217 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:42:40,217 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:42:40,217 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:42:40,218 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (1/1) ... [2025-02-07 18:42:40,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:42:40,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:42:40,246 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 18:42:40,251 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 18:42:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:42:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:42:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:42:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:42:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:42:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:42:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:42:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:42:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:42:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:42:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:42:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:42:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:42:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:42:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:42:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:42:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:42:40,353 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:42:40,355 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:42:40,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L234: assume 0 == main_#t~ret23#1;havoc main_#t~ret23#1; [2025-02-07 18:42:40,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L234: assume !(0 == main_#t~ret23#1);havoc main_#t~ret23#1;main_#res#1 := 0;#t~ret24#1 := main_#res#1;havoc main_#t~ret22#1, main_#t~ret23#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:42:40,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:42:40,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: assume false;main_#res#1 := 1; [2025-02-07 18:42:40,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: assume !false; [2025-02-07 18:42:40,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: main_#t~ret22#1 := __ieee754_asinf_#res#1;havoc __ieee754_asinf_#t~mem17#1, __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, __ieee754_asinf_#t~ret18#1, __ieee754_asinf_#t~ret19#1, __ieee754_asinf_#t~mem20#1, __ieee754_asinf_~#gf_u~4#1.base, __ieee754_asinf_~#gf_u~4#1.offset, __ieee754_asinf_#t~mem21#1, __ieee754_asinf_~#sf_u~3#1.base, __ieee754_asinf_~#sf_u~3#1.offset, __ieee754_asinf_~iw~0#1, __ieee754_asinf_~x#1, __ieee754_asinf_~t~1#1, __ieee754_asinf_~w~0#1, __ieee754_asinf_~p~0#1, __ieee754_asinf_~q~1#1, __ieee754_asinf_~c~0#1, __ieee754_asinf_~r~1#1, __ieee754_asinf_~s~1#1, __ieee754_asinf_~hx~1#1, __ieee754_asinf_~ix~3#1;havoc __ieee754_asinf_#in~x#1;assume { :end_inline___ieee754_asinf } true;main_~res~0#1 := main_#t~ret22#1;havoc main_#t~ret22#1;assume { :begin_inline_isnan_float } true;isnan_float_#in~x#1 := main_~res~0#1;havoc isnan_float_#res#1;havoc isnan_float_~x#1;isnan_float_~x#1 := isnan_float_#in~x#1;isnan_float_#res#1 := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x#1, isnan_float_~x#1) then 1 else 0);main_#t~ret23#1 := isnan_float_#res#1;havoc isnan_float_~x#1;havoc isnan_float_#in~x#1;assume { :end_inline_isnan_float } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647; [2025-02-07 18:42:40,567 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2025-02-07 18:42:40,567 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:42:40,578 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:42:40,578 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:42:40,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:40 BoogieIcfgContainer [2025-02-07 18:42:40,579 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:42:40,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:42:40,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:42:40,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:42:40,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:42:39" (1/3) ... [2025-02-07 18:42:40,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4621f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:42:40, skipping insertion in model container [2025-02-07 18:42:40,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:40" (2/3) ... [2025-02-07 18:42:40,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4621f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:42:40, skipping insertion in model container [2025-02-07 18:42:40,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:40" (3/3) ... [2025-02-07 18:42:40,591 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b.c [2025-02-07 18:42:40,608 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:42:40,613 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0250b.c that has 1 procedures, 76 locations, 1 initial locations, 16 loop locations, and 8 error locations. [2025-02-07 18:42:40,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:42:40,671 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;@5c46fe8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:42:40,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-07 18:42:40,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 66 states have (on average 1.7727272727272727) internal successors, (117), 74 states have internal predecessors, (117), 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 18:42:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:42:40,677 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:42:40,678 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:42:40,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-02-07 18:42:40,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:42:40,682 INFO L85 PathProgramCache]: Analyzing trace with hash 5200478, now seen corresponding path program 1 times [2025-02-07 18:42:40,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:42:40,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132108714] [2025-02-07 18:42:40,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:42:40,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:42:40,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:42:40,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:42:40,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:42:40,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:42:40,746 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:42:40,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:42:40,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:42:40,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:42:40,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:42:40,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:42:40,765 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:42:40,766 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 8 remaining) [2025-02-07 18:42:40,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2025-02-07 18:42:40,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 8 remaining) [2025-02-07 18:42:40,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 8 remaining) [2025-02-07 18:42:40,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 8 remaining) [2025-02-07 18:42:40,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 8 remaining) [2025-02-07 18:42:40,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 8 remaining) [2025-02-07 18:42:40,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 8 remaining) [2025-02-07 18:42:40,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:42:40,771 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:42:40,780 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:42:40,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:42:40 BoogieIcfgContainer [2025-02-07 18:42:40,782 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:42:40,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:42:40,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:42:40,783 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:42:40,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:40" (3/4) ... [2025-02-07 18:42:40,788 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:42:40,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:42:40,789 INFO L158 Benchmark]: Toolchain (without parser) took 1094.72ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 54.1MB in the end (delta: 55.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 18:42:40,789 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:40,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.88ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 95.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:42:40,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.05ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 93.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:40,790 INFO L158 Benchmark]: Boogie Preprocessor took 30.17ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 89.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:40,790 INFO L158 Benchmark]: IcfgBuilder took 361.85ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 69.0MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:42:40,791 INFO L158 Benchmark]: TraceAbstraction took 202.12ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 54.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:42:40,791 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 142.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:40,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.88ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 95.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.05ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 93.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.17ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 89.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 361.85ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 69.0MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 202.12ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 54.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 142.6MB. Free memory is still 54.1MB. 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: 159]: 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 159, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of someBinaryArithmeticFLOAToperation at line 230, overapproximation of someUnaryFLOAToperation at line 147. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L230] float x = -1.0f / 0.0f; [L231] CALL __ieee754_asinf(x) [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000004] [L162] COND TRUE 0 VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L159] ieee_float_shape_type gf_u; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000004] - UnprovableResult [Line: 235]: 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: 207]: 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: 202]: 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: 124]: 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: 70]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 138]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 133]: 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, 76 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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=75occurred 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 18:42:40,805 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/float_req_bl_0250b.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 9033f05f589e1195fbdad23abe16d3b24ce3353f33e3f085fe8fae82ec5a9118 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:42:43,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:42:43,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:42:43,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:42:43,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:42:43,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:42:43,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:42:43,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:42:43,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:42:43,229 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:42:43,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:42:43,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:42:43,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:42:43,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:42:43,229 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:42:43,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:42:43,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:42:43,229 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:42:43,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:42:43,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:42:43,230 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:42:43,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:42:43,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:42:43,231 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:42:43,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:42:43,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:42:43,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:42:43,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:42:43,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:42:43,231 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 -> 9033f05f589e1195fbdad23abe16d3b24ce3353f33e3f085fe8fae82ec5a9118 [2025-02-07 18:42:43,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:42:43,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:42:43,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:42:43,659 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:42:43,659 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:42:43,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2025-02-07 18:42:45,059 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4668704aa/9fdb42c4da8c4a54bd7ffdaa29d620da/FLAG77c0d56ef [2025-02-07 18:42:45,252 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:42:45,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2025-02-07 18:42:45,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4668704aa/9fdb42c4da8c4a54bd7ffdaa29d620da/FLAG77c0d56ef [2025-02-07 18:42:45,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4668704aa/9fdb42c4da8c4a54bd7ffdaa29d620da [2025-02-07 18:42:45,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:42:45,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:42:45,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:42:45,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:42:45,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:42:45,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282ffcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45, skipping insertion in model container [2025-02-07 18:42:45,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:42:45,457 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_0250b.c[5435,5448] [2025-02-07 18:42:45,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:42:45,469 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:42:45,500 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_0250b.c[5435,5448] [2025-02-07 18:42:45,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:42:45,512 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:42:45,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45 WrapperNode [2025-02-07 18:42:45,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:42:45,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:42:45,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:42:45,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:42:45,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,553 INFO L138 Inliner]: procedures = 23, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 235 [2025-02-07 18:42:45,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:42:45,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:42:45,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:42:45,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:42:45,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,585 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:42:45,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:42:45,614 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:42:45,614 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:42:45,614 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:42:45,618 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (1/1) ... [2025-02-07 18:42:45,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:42:45,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:42:45,645 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 18:42:45,648 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 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:42:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:42:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:42:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:42:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:42:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:42:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:42:45,745 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:42:45,747 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:43:07,035 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L234: assume 0bv32 == main_#t~ret17#1;havoc main_#t~ret17#1; [2025-02-07 18:43:07,035 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L234: assume !(0bv32 == main_#t~ret17#1);havoc main_#t~ret17#1;main_#res#1 := 0bv32;#t~ret18#1 := main_#res#1;havoc main_#t~ret16#1, main_#t~ret17#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:43:07,036 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:43:07,036 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: assume false;main_#res#1 := 1bv32; [2025-02-07 18:43:07,036 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: assume !false; [2025-02-07 18:43:07,036 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: main_#t~ret16#1 := __ieee754_asinf_#res#1;havoc __ieee754_asinf_#t~mem11#1, __ieee754_asinf_~#gf_u~3#1.base, __ieee754_asinf_~#gf_u~3#1.offset, __ieee754_asinf_#t~ret12#1, __ieee754_asinf_#t~ret13#1, __ieee754_asinf_#t~mem14#1, __ieee754_asinf_~#gf_u~4#1.base, __ieee754_asinf_~#gf_u~4#1.offset, __ieee754_asinf_#t~mem15#1, __ieee754_asinf_~#sf_u~3#1.base, __ieee754_asinf_~#sf_u~3#1.offset, __ieee754_asinf_~iw~0#1, __ieee754_asinf_~x#1, __ieee754_asinf_~t~1#1, __ieee754_asinf_~w~0#1, __ieee754_asinf_~p~0#1, __ieee754_asinf_~q~1#1, __ieee754_asinf_~c~0#1, __ieee754_asinf_~r~1#1, __ieee754_asinf_~s~1#1, __ieee754_asinf_~hx~1#1, __ieee754_asinf_~ix~3#1;havoc __ieee754_asinf_#in~x#1;assume { :end_inline___ieee754_asinf } true;main_~res~0#1 := main_#t~ret16#1;havoc main_#t~ret16#1;assume { :begin_inline_isnan_float } true;isnan_float_#in~x#1 := main_~res~0#1;havoc isnan_float_#res#1;havoc isnan_float_~x#1;isnan_float_~x#1 := isnan_float_#in~x#1;isnan_float_#res#1 := (if !~fp.eq~32(isnan_float_~x#1, isnan_float_~x#1) then 1bv32 else 0bv32);main_#t~ret17#1 := isnan_float_#res#1;havoc isnan_float_~x#1;havoc isnan_float_#in~x#1;assume { :end_inline_isnan_float } true; [2025-02-07 18:43:07,048 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2025-02-07 18:43:07,048 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:43:07,057 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:43:07,057 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:43:07,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:43:07 BoogieIcfgContainer [2025-02-07 18:43:07,058 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:43:07,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:43:07,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:43:07,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:43:07,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:42:45" (1/3) ... [2025-02-07 18:43:07,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c69aad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:43:07, skipping insertion in model container [2025-02-07 18:43:07,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:45" (2/3) ... [2025-02-07 18:43:07,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c69aad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:43:07, skipping insertion in model container [2025-02-07 18:43:07,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:43:07" (3/3) ... [2025-02-07 18:43:07,064 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250b.c [2025-02-07 18:43:07,073 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:43:07,074 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0250b.c that has 1 procedures, 46 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-07 18:43:07,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:43:07,113 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;@53342196, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:43:07,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:43:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.744186046511628) internal successors, (75), 44 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 18:43:07,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:43:07,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:43:07,131 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:43:07,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 43 states have (on average 1.744186046511628) internal successors, (75), 44 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 18:43:07,149 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:43:07,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:43:07 BoogieIcfgContainer [2025-02-07 18:43:07,157 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:43:07,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:43:07,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:43:07,158 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:43:07,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:43:07" (3/4) ... [2025-02-07 18:43:07,160 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:43:07,168 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-02-07 18:43:07,169 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-07 18:43:07,169 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:43:07,169 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:43:07,226 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:43:07,226 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:43:07,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:43:07,227 INFO L158 Benchmark]: Toolchain (without parser) took 21947.34ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 38.7MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2025-02-07 18:43:07,227 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:43:07,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.86ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 44.3MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:43:07,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.09ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 42.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:43:07,228 INFO L158 Benchmark]: Boogie Preprocessor took 59.15ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 38.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:43:07,228 INFO L158 Benchmark]: IcfgBuilder took 21443.52ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 53.9MB in the end (delta: -15.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2025-02-07 18:43:07,228 INFO L158 Benchmark]: TraceAbstraction took 97.62ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 45.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:43:07,228 INFO L158 Benchmark]: Witness Printer took 69.10ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 38.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:43:07,229 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.86ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 44.3MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.09ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 42.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.15ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 38.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 21443.52ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 53.9MB in the end (delta: -15.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 97.62ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 45.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 69.10ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 38.7MB 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: 235]: 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, 46 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=45occurred 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 18:43:07,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE