./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1012a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_1012a.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 9f2fc20b4290e3357852d4a72f1f9affad02e8aa6491d9be27053eca1342ea23 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 13:02:58,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 13:02:58,997 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 13:02:59,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 13:02:59,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 13:02:59,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 13:02:59,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 13:02:59,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 13:02:59,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 13:02:59,040 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 13:02:59,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 13:02:59,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 13:02:59,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 13:02:59,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 13:02:59,042 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 13:02:59,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 13:02:59,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 13:02:59,042 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 13:02:59,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 13:02:59,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 13:02:59,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 13:02:59,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 13:02:59,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 13:02:59,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 13:02:59,043 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 13:02:59,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 13:02:59,043 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 13:02:59,043 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 13:02:59,043 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 13:02:59,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 13:02:59,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 13:02:59,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 13:02:59,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:02:59,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 13:02:59,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 13:02:59,045 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 13:02:59,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 13:02:59,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 13:02:59,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 13:02:59,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 13:02:59,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 13:02:59,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 13:02:59,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 13:02:59,045 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 -> 9f2fc20b4290e3357852d4a72f1f9affad02e8aa6491d9be27053eca1342ea23 [2025-02-05 13:02:59,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 13:02:59,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 13:02:59,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 13:02:59,356 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 13:02:59,356 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 13:02:59,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1012a.c [2025-02-05 13:03:00,653 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e92c4f18/f02c54ac953048cca8a715cf57937d9e/FLAG18d7a1e16 [2025-02-05 13:03:00,889 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 13:03:00,890 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1012a.c [2025-02-05 13:03:00,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e92c4f18/f02c54ac953048cca8a715cf57937d9e/FLAG18d7a1e16 [2025-02-05 13:03:00,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e92c4f18/f02c54ac953048cca8a715cf57937d9e [2025-02-05 13:03:00,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 13:03:00,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 13:03:00,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 13:03:00,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 13:03:00,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 13:03:00,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:03:00" (1/1) ... [2025-02-05 13:03:00,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b83e0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:00, skipping insertion in model container [2025-02-05 13:03:00,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:03:00" (1/1) ... [2025-02-05 13:03:00,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 13:03:01,109 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_1012a.c[1638,1651] [2025-02-05 13:03:01,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:03:01,122 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 13:03:01,150 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_1012a.c[1638,1651] [2025-02-05 13:03:01,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:03:01,169 INFO L204 MainTranslator]: Completed translation [2025-02-05 13:03:01,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01 WrapperNode [2025-02-05 13:03:01,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 13:03:01,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 13:03:01,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 13:03:01,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 13:03:01,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,214 INFO L138 Inliner]: procedures = 18, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2025-02-05 13:03:01,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 13:03:01,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 13:03:01,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 13:03:01,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 13:03:01,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,245 INFO L175 MemorySlicer]: Split 10 memory accesses to 4 slices as follows [2, 3, 2, 3]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 2, 1, 1]. [2025-02-05 13:03:01,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,256 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 13:03:01,270 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 13:03:01,270 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 13:03:01,270 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 13:03:01,271 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (1/1) ... [2025-02-05 13:03:01,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:03:01,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 13:03:01,308 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) [2025-02-05 13:03:01,314 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 [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-05 13:03:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-05 13:03:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-05 13:03:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-05 13:03:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-05 13:03:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-05 13:03:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-05 13:03:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-05 13:03:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-05 13:03:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-05 13:03:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-05 13:03:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 13:03:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 13:03:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-05 13:03:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-05 13:03:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-05 13:03:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-05 13:03:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 13:03:01,419 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 13:03:01,421 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 13:03:01,621 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L43: havoc isinf_double_#t~bitwise9#1; [2025-02-05 13:03:01,639 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-02-05 13:03:01,639 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 13:03:01,681 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 13:03:01,684 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 13:03:01,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:03:01 BoogieIcfgContainer [2025-02-05 13:03:01,684 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 13:03:01,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 13:03:01,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 13:03:01,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 13:03:01,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 01:03:00" (1/3) ... [2025-02-05 13:03:01,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25238155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:03:01, skipping insertion in model container [2025-02-05 13:03:01,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:01" (2/3) ... [2025-02-05 13:03:01,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25238155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:03:01, skipping insertion in model container [2025-02-05 13:03:01,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:03:01" (3/3) ... [2025-02-05 13:03:01,695 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a.c [2025-02-05 13:03:01,708 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 13:03:01,710 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1012a.c that has 1 procedures, 38 locations, 1 initial locations, 6 loop locations, and 4 error locations. [2025-02-05 13:03:01,765 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 13:03:01,778 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;@5dc8ca3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 13:03:01,779 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-05 13:03:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 33 states have (on average 1.606060606060606) internal successors, (53), 37 states have internal predecessors, (53), 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) [2025-02-05 13:03:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-05 13:03:01,787 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:03:01,788 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-05 13:03:01,788 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-05 13:03:01,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:03:01,794 INFO L85 PathProgramCache]: Analyzing trace with hash 86808953, now seen corresponding path program 1 times [2025-02-05 13:03:01,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 13:03:01,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165103508] [2025-02-05 13:03:01,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:03:01,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 13:03:01,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-05 13:03:01,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-05 13:03:01,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:03:01,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 13:03:01,880 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 13:03:01,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-05 13:03:01,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-05 13:03:01,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:03:01,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 13:03:01,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 13:03:01,912 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 13:03:01,913 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 4 remaining) [2025-02-05 13:03:01,915 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-02-05 13:03:01,915 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 4 remaining) [2025-02-05 13:03:01,916 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 4 remaining) [2025-02-05 13:03:01,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 13:03:01,919 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 13:03:01,936 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 13:03:01,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 01:03:01 BoogieIcfgContainer [2025-02-05 13:03:01,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 13:03:01,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 13:03:01,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 13:03:01,940 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 13:03:01,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:03:01" (3/4) ... [2025-02-05 13:03:01,944 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 13:03:01,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 13:03:01,947 INFO L158 Benchmark]: Toolchain (without parser) took 1029.76ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 69.6MB in the end (delta: 43.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 13:03:01,947 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:03:01,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.12ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 101.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:03:01,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.30ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 100.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:03:01,948 INFO L158 Benchmark]: Boogie Preprocessor took 54.06ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 98.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:03:01,949 INFO L158 Benchmark]: IcfgBuilder took 414.25ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 82.4MB in the end (delta: 15.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:03:01,949 INFO L158 Benchmark]: TraceAbstraction took 252.87ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 70.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:03:01,949 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 69.6MB in the end (delta: 448.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:03:01,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.12ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 101.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.30ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 100.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.06ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 98.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 414.25ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 82.4MB in the end (delta: 15.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 252.87ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 70.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 69.6MB in the end (delta: 448.6kB). 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: 49]: 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 70, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 49. Possible FailurePath: [L70] double x = 1.0 / 0.0; [L71] CALL fabs_double(x) [L47] __uint32_t high; VAL [x=53] [L52] COND TRUE 0 [L49] ieee_double_shape_type gh_u; VAL [x=53] - UnprovableResult [Line: 75]: 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: 35]: 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: 54]: 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, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 5 NumberOfCodeBlocks, 5 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 [2025-02-05 13:03:01,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1012a.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 9f2fc20b4290e3357852d4a72f1f9affad02e8aa6491d9be27053eca1342ea23 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 13:03:04,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 13:03:04,307 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 13:03:04,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 13:03:04,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 13:03:04,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 13:03:04,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 13:03:04,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 13:03:04,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 13:03:04,349 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 13:03:04,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 13:03:04,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 13:03:04,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 13:03:04,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 13:03:04,350 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 13:03:04,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 13:03:04,351 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 13:03:04,352 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:03:04,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 13:03:04,352 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 13:03:04,353 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 13:03:04,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 13:03:04,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 13:03:04,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 13:03:04,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 13:03:04,353 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 -> 9f2fc20b4290e3357852d4a72f1f9affad02e8aa6491d9be27053eca1342ea23 [2025-02-05 13:03:04,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 13:03:04,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 13:03:04,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 13:03:04,639 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 13:03:04,639 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 13:03:04,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1012a.c [2025-02-05 13:03:06,003 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c31b3adc6/d025a78a9a28424fb6f5aa11a14a8c55/FLAGc2453b6ab [2025-02-05 13:03:06,234 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 13:03:06,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1012a.c [2025-02-05 13:03:06,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c31b3adc6/d025a78a9a28424fb6f5aa11a14a8c55/FLAGc2453b6ab [2025-02-05 13:03:06,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c31b3adc6/d025a78a9a28424fb6f5aa11a14a8c55 [2025-02-05 13:03:06,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 13:03:06,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 13:03:06,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 13:03:06,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 13:03:06,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 13:03:06,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc75b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06, skipping insertion in model container [2025-02-05 13:03:06,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 13:03:06,451 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_1012a.c[1638,1651] [2025-02-05 13:03:06,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:03:06,468 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 13:03:06,494 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_1012a.c[1638,1651] [2025-02-05 13:03:06,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:03:06,517 INFO L204 MainTranslator]: Completed translation [2025-02-05 13:03:06,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06 WrapperNode [2025-02-05 13:03:06,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 13:03:06,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 13:03:06,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 13:03:06,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 13:03:06,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,553 INFO L138 Inliner]: procedures = 21, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2025-02-05 13:03:06,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 13:03:06,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 13:03:06,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 13:03:06,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 13:03:06,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,565 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,577 INFO L175 MemorySlicer]: Split 10 memory accesses to 4 slices as follows [2, 3, 2, 3]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 2, 1, 1]. [2025-02-05 13:03:06,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,587 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 13:03:06,594 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 13:03:06,598 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 13:03:06,598 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 13:03:06,600 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (1/1) ... [2025-02-05 13:03:06,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:03:06,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 13:03:06,631 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) [2025-02-05 13:03:06,635 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 [2025-02-05 13:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 13:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-05 13:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-05 13:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-05 13:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-05 13:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-05 13:03:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 13:03:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 13:03:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-05 13:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-05 13:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-05 13:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-05 13:03:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 13:03:06,732 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 13:03:06,734 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 13:03:06,933 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-05 13:03:06,934 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 13:03:06,944 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 13:03:06,944 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 13:03:06,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:03:06 BoogieIcfgContainer [2025-02-05 13:03:06,945 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 13:03:06,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 13:03:06,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 13:03:06,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 13:03:06,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 01:03:06" (1/3) ... [2025-02-05 13:03:06,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7e0b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:03:06, skipping insertion in model container [2025-02-05 13:03:06,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:03:06" (2/3) ... [2025-02-05 13:03:06,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7e0b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:03:06, skipping insertion in model container [2025-02-05 13:03:06,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:03:06" (3/3) ... [2025-02-05 13:03:06,955 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a.c [2025-02-05 13:03:06,969 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 13:03:06,970 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1012a.c that has 1 procedures, 18 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-02-05 13:03:07,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 13:03:07,019 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;@37f78f2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 13:03:07,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 13:03:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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) [2025-02-05 13:03:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-05 13:03:07,027 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:03:07,028 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:03:07,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:03:07,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:03:07,032 INFO L85 PathProgramCache]: Analyzing trace with hash -451446350, now seen corresponding path program 1 times [2025-02-05 13:03:07,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:03:07,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522757565] [2025-02-05 13:03:07,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:03:07,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:03:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:03:07,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 13:03:07,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-05 13:03:07,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-05 13:03:07,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-05 13:03:07,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:03:07,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:03:07,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 13:03:07,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:03:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:03:07,197 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:03:07,198 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:03:07,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522757565] [2025-02-05 13:03:07,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522757565] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:03:07,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:03:07,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 13:03:07,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402483663] [2025-02-05 13:03:07,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:03:07,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 13:03:07,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:03:07,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 13:03:07,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 13:03:07,225 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2025-02-05 13:03:07,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:03:07,233 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2025-02-05 13:03:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 13:03:07,235 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2025-02-05 13:03:07,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:03:07,240 INFO L225 Difference]: With dead ends: 34 [2025-02-05 13:03:07,240 INFO L226 Difference]: Without dead ends: 15 [2025-02-05 13:03:07,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 13:03:07,245 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 13:03:07,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 13:03:07,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-05 13:03:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-05 13:03:07,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 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) [2025-02-05 13:03:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2025-02-05 13:03:07,279 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2025-02-05 13:03:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:03:07,280 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2025-02-05 13:03:07,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2025-02-05 13:03:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2025-02-05 13:03:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-05 13:03:07,282 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:03:07,282 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:03:07,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-05 13:03:07,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:03:07,486 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:03:07,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:03:07,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1072761816, now seen corresponding path program 1 times [2025-02-05 13:03:07,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:03:07,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972330439] [2025-02-05 13:03:07,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:03:07,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:03:07,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:03:07,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 13:03:07,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-05 13:03:07,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-05 13:03:07,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-05 13:03:07,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:03:07,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:03:07,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-05 13:03:07,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:03:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:03:08,325 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:03:08,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:03:08,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972330439] [2025-02-05 13:03:08,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972330439] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:03:08,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:03:08,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-05 13:03:08,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182962743] [2025-02-05 13:03:08,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:03:08,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-05 13:03:08,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:03:08,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-05 13:03:08,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-05 13:03:08,330 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2025-02-05 13:03:08,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:03:08,739 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2025-02-05 13:03:08,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 13:03:08,741 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) Word has length 14 [2025-02-05 13:03:08,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:03:08,741 INFO L225 Difference]: With dead ends: 15 [2025-02-05 13:03:08,741 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 13:03:08,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-02-05 13:03:08,742 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 13:03:08,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 28 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 13:03:08,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 13:03:08,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 13:03:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-02-05 13:03:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 13:03:08,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2025-02-05 13:03:08,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:03:08,744 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 13:03:08,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2025-02-05 13:03:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 13:03:08,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 13:03:08,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 13:03:08,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-02-05 13:03:08,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:03:08,950 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-05 13:03:08,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 13:03:08,995 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 13:03:09,001 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:03:09,002 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:03:09,003 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:03:09,003 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:03:09,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 01:03:09 BoogieIcfgContainer [2025-02-05 13:03:09,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 13:03:09,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 13:03:09,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 13:03:09,005 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 13:03:09,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:03:06" (3/4) ... [2025-02-05 13:03:09,007 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 13:03:09,012 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-02-05 13:03:09,013 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-05 13:03:09,013 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 13:03:09,013 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 13:03:09,090 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 13:03:09,091 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 13:03:09,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 13:03:09,092 INFO L158 Benchmark]: Toolchain (without parser) took 2822.13ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 47.2MB in the end (delta: 12.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2025-02-05 13:03:09,092 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:03:09,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.40ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 47.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:03:09,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.81ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:03:09,093 INFO L158 Benchmark]: Boogie Preprocessor took 37.44ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:03:09,093 INFO L158 Benchmark]: IcfgBuilder took 350.82ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 30.9MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:03:09,094 INFO L158 Benchmark]: TraceAbstraction took 2056.52ms. Allocated memory is still 83.9MB. Free memory was 30.6MB in the beginning and 52.9MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:03:09,095 INFO L158 Benchmark]: Witness Printer took 86.53ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 47.2MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:03:09,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.40ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 47.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.81ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.44ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 350.82ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 30.9MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2056.52ms. Allocated memory is still 83.9MB. Free memory was 30.6MB in the beginning and 52.9MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.53ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 47.2MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 75]: 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 11 QuantifiedInterpolants, 269 SizeOfPredicates, 6 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-05 13:03:09,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE