./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1251b.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_1251b.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 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:42:27,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:42:27,204 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:42:27,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:42:27,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:42:27,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:42:27,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:42:27,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:42:27,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:42:27,259 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:42:27,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:42:27,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:42:27,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:42:27,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:42:27,260 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:42:27,262 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:42:27,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:42:27,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:42:27,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:42:27,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:42:27,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:42:27,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:42:27,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:42:27,263 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 -> 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab [2025-02-07 18:42:27,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:42:27,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:42:27,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:42:27,704 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:42:27,704 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:42:27,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2025-02-07 18:42:29,050 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/65bfb2844/5b395cfbc7ee4454906e4bfb52ad55f8/FLAG4ca49ccb0 [2025-02-07 18:42:29,426 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:42:29,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2025-02-07 18:42:29,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/65bfb2844/5b395cfbc7ee4454906e4bfb52ad55f8/FLAG4ca49ccb0 [2025-02-07 18:42:29,704 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/65bfb2844/5b395cfbc7ee4454906e4bfb52ad55f8 [2025-02-07 18:42:29,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:42:29,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:42:29,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:42:29,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:42:29,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:42:29,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46904ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29, skipping insertion in model container [2025-02-07 18:42:29,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:42:29,853 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_1251b.c[2080,2093] [2025-02-07 18:42:29,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:42:29,859 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:42:29,871 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_1251b.c[2080,2093] [2025-02-07 18:42:29,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:42:29,880 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:42:29,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29 WrapperNode [2025-02-07 18:42:29,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:42:29,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:42:29,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:42:29,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:42:29,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,902 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2025-02-07 18:42:29,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:42:29,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:42:29,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:42:29,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:42:29,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,922 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2025-02-07 18:42:29,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,930 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:42:29,937 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:42:29,938 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:42:29,938 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:42:29,939 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (1/1) ... [2025-02-07 18:42:29,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:42:29,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:42:29,963 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 18:42:29,966 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 18:42:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2025-02-07 18:42:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:42:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:42:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:42:30,043 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:42:30,044 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:42:30,174 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L80: assume false;main_#res#1 := 1; [2025-02-07 18:42:30,174 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L80: assume !false; [2025-02-07 18:42:30,174 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L79: assume ~someBinaryDOUBLEComparisonOperation(main_~res~0#1, main_~x~0#1); [2025-02-07 18:42:30,174 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L79: assume !~someBinaryDOUBLEComparisonOperation(main_~res~0#1, main_~x~0#1);havoc main_~res~0#1; [2025-02-07 18:42:30,175 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L76: main_#t~ret10#1 := fmax_double_#res#1;havoc fmax_double_#t~ret6#1, fmax_double_#t~ret7#1, fmax_double_~x#1, fmax_double_~y#1;havoc fmax_double_#in~x#1, fmax_double_#in~y#1;assume { :end_inline_fmax_double } true;main_~res~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; [2025-02-07 18:42:30,182 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2025-02-07 18:42:30,182 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:42:30,188 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:42:30,188 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:42:30,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:30 BoogieIcfgContainer [2025-02-07 18:42:30,188 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:42:30,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:42:30,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:42:30,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:42:30,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:42:29" (1/3) ... [2025-02-07 18:42:30,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e2264e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:42:30, skipping insertion in model container [2025-02-07 18:42:30,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:29" (2/3) ... [2025-02-07 18:42:30,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e2264e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:42:30, skipping insertion in model container [2025-02-07 18:42:30,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:30" (3/3) ... [2025-02-07 18:42:30,196 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1251b.c [2025-02-07 18:42:30,218 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:42:30,219 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1251b.c that has 2 procedures, 24 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2025-02-07 18:42:30,256 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:42:30,263 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;@6008fb66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:42:30,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-07 18:42:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 20 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-07 18:42:30,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-07 18:42:30,270 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:42:30,270 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:42:30,270 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __fpclassify_doubleErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [__fpclassify_doubleErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:42:30,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:42:30,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1551397804, now seen corresponding path program 1 times [2025-02-07 18:42:30,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:42:30,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801721447] [2025-02-07 18:42:30,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:42:30,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:42:30,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-07 18:42:30,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-07 18:42:30,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:42:30,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:42:30,338 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:42:30,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-07 18:42:30,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-07 18:42:30,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:42:30,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:42:30,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:42:30,357 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:42:30,358 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __fpclassify_doubleErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-02-07 18:42:30,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-02-07 18:42:30,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:42:30,362 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:42:30,371 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:42:30,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:42:30 BoogieIcfgContainer [2025-02-07 18:42:30,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:42:30,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:42:30,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:42:30,374 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:42:30,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:30" (3/4) ... [2025-02-07 18:42:30,376 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:42:30,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:42:30,377 INFO L158 Benchmark]: Toolchain (without parser) took 665.82ms. Allocated memory was 562.0MB in the beginning and 167.8MB in the end (delta: -394.3MB). Free memory was 519.5MB in the beginning and 83.1MB in the end (delta: 436.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 18:42:30,377 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 226.5MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:30,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.43ms. Allocated memory was 562.0MB in the beginning and 167.8MB in the end (delta: -394.3MB). Free memory was 519.5MB in the beginning and 113.6MB in the end (delta: 405.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:42:30,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.84ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 112.7MB in the end (delta: 952.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:30,378 INFO L158 Benchmark]: Boogie Preprocessor took 33.43ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 110.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:30,378 INFO L158 Benchmark]: IcfgBuilder took 251.12ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 96.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:42:30,378 INFO L158 Benchmark]: TraceAbstraction took 183.17ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 84.0MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:42:30,379 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 167.8MB. Free memory was 84.0MB in the beginning and 83.1MB in the end (delta: 950.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:30,380 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 226.5MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.43ms. Allocated memory was 562.0MB in the beginning and 167.8MB in the end (delta: -394.3MB). Free memory was 519.5MB in the beginning and 113.6MB in the end (delta: 405.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.84ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 112.7MB in the end (delta: 952.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.43ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 110.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 251.12ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 96.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 183.17ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 84.0MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 167.8MB. Free memory was 84.0MB in the beginning and 83.1MB in the end (delta: 950.9kB). 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: 32]: 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 67, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L66] double x = __VERIFIER_nondet_double(); [L67] double y = 0.0 / 0.0; [L74] CALL, EXPR isnan_double(x) [L18] return x != x; [L74] RET, EXPR isnan_double(x) [L74] COND TRUE !isnan_double(x) [L76] CALL fmax_double(x, y) [L57] CALL __fpclassify_double(x) VAL [\old(x)=55] [L29] __uint32_t msw, lsw; VAL [\old(x)=55] [L36] COND TRUE 0 VAL [\old(x)=55] [L32] ieee_double_shape_type ew_u; VAL [\old(x)=55] - UnprovableResult [Line: 80]: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 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=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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 18:42:30,392 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_1251b.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 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:42:32,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:42:32,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:42:32,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:42:32,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:42:32,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:42:32,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:42:32,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:42:32,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:42:32,751 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:42:32,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:42:32,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:42:32,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:42:32,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:42:32,752 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:42:32,753 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:42:32,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:42:32,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:42:32,753 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 -> 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab [2025-02-07 18:42:33,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:42:33,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:42:33,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:42:33,030 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:42:33,030 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:42:33,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2025-02-07 18:42:34,407 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff3a0537a/63adc8dc78814344954f9b845e72a32f/FLAG3463d8395 [2025-02-07 18:42:34,623 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:42:34,623 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2025-02-07 18:42:34,631 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff3a0537a/63adc8dc78814344954f9b845e72a32f/FLAG3463d8395 [2025-02-07 18:42:34,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff3a0537a/63adc8dc78814344954f9b845e72a32f [2025-02-07 18:42:34,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:42:34,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:42:34,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:42:34,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:42:34,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:42:34,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:42:34" (1/1) ... [2025-02-07 18:42:34,988 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 06:42:34, skipping insertion in model container [2025-02-07 18:42:34,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:42:34" (1/1) ... [2025-02-07 18:42:35,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:42:35,094 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_1251b.c[2080,2093] [2025-02-07 18:42:35,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:42:35,103 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:42:35,115 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_1251b.c[2080,2093] [2025-02-07 18:42:35,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:42:35,126 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:42:35,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35 WrapperNode [2025-02-07 18:42:35,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:42:35,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:42:35,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:42:35,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:42:35,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,145 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2025-02-07 18:42:35,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:42:35,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:42:35,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:42:35,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:42:35,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,158 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,165 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2025-02-07 18:42:35,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:42:35,186 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:42:35,186 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:42:35,186 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:42:35,186 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (1/1) ... [2025-02-07 18:42:35,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:42:35,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:42:35,209 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 18:42:35,213 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 18:42:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:42:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:42:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:42:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:42:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:42:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:42:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2025-02-07 18:42:35,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2025-02-07 18:42:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:42:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:42:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:42:35,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:42:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:42:35,291 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:42:35,292 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:42:35,403 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L80: assume false;main_#res#1 := 1bv32; [2025-02-07 18:42:35,403 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L80: assume !false; [2025-02-07 18:42:35,403 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L79: assume !~fp.eq~64(main_~res~0#1, main_~x~0#1); [2025-02-07 18:42:35,403 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L79: assume !!~fp.eq~64(main_~res~0#1, main_~x~0#1);havoc main_~res~0#1; [2025-02-07 18:42:35,403 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L76: main_#t~ret10#1 := fmax_double_#res#1;havoc fmax_double_#t~ret6#1, fmax_double_#t~ret7#1, fmax_double_~x#1, fmax_double_~y#1;havoc fmax_double_#in~x#1, fmax_double_#in~y#1;assume { :end_inline_fmax_double } true;main_~res~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; [2025-02-07 18:42:35,411 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-02-07 18:42:35,411 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:42:35,417 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:42:35,417 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:42:35,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:35 BoogieIcfgContainer [2025-02-07 18:42:35,417 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:42:35,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:42:35,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:42:35,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:42:35,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:42:34" (1/3) ... [2025-02-07 18:42:35,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8a65e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:42:35, skipping insertion in model container [2025-02-07 18:42:35,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:42:35" (2/3) ... [2025-02-07 18:42:35,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8a65e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:42:35, skipping insertion in model container [2025-02-07 18:42:35,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:35" (3/3) ... [2025-02-07 18:42:35,426 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1251b.c [2025-02-07 18:42:35,436 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:42:35,437 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1251b.c that has 2 procedures, 19 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 18:42:35,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:42:35,492 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;@19f8e332, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:42:35,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:42:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-07 18:42:35,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:42:35,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:42:35,502 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:42:35,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-07 18:42:35,520 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:42:35,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:42:35 BoogieIcfgContainer [2025-02-07 18:42:35,526 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:42:35,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:42:35,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:42:35,526 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:42:35,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:42:35" (3/4) ... [2025-02-07 18:42:35,528 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:42:35,531 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2025-02-07 18:42:35,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-07 18:42:35,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-07 18:42:35,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 18:42:35,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:42:35,581 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:42:35,581 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:42:35,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:42:35,582 INFO L158 Benchmark]: Toolchain (without parser) took 600.82ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 50.4MB in the end (delta: 42.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 18:42:35,582 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:35,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.12ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:42:35,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.88ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:35,584 INFO L158 Benchmark]: Boogie Preprocessor took 37.68ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:42:35,584 INFO L158 Benchmark]: IcfgBuilder took 232.89ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 63.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:42:35,585 INFO L158 Benchmark]: TraceAbstraction took 105.32ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 56.2MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:42:35,585 INFO L158 Benchmark]: Witness Printer took 55.30ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 50.4MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:42:35,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.12ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.88ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.68ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 232.89ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 63.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 105.32ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 56.2MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 55.30ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 50.4MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 80]: 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 2 procedures, 19 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=19occurred 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 18:42:35,602 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