./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1211a.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_1211a.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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 13:04:11,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 13:04:11,223 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 13:04:11,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 13:04:11,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 13:04:11,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 13:04:11,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 13:04:11,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 13:04:11,250 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 13:04:11,250 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 13:04:11,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 13:04:11,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 13:04:11,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 13:04:11,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 13:04:11,251 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 13:04:11,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 13:04:11,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 13:04:11,251 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 13:04:11,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 13:04:11,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 13:04:11,252 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 13:04:11,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 13:04:11,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 13:04:11,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 13:04:11,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:04:11,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 13:04:11,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 13:04:11,253 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 13:04:11,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 13:04:11,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 13:04:11,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 13:04:11,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 13:04:11,254 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 13:04:11,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 13:04:11,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 13:04:11,254 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 -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2025-02-05 13:04:11,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 13:04:11,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 13:04:11,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 13:04:11,482 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 13:04:11,482 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 13:04:11,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2025-02-05 13:04:12,579 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c10dca882/c34485e73be247a2b0834f06a35a8705/FLAGd81cf8bbb [2025-02-05 13:04:12,795 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 13:04:12,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2025-02-05 13:04:12,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c10dca882/c34485e73be247a2b0834f06a35a8705/FLAGd81cf8bbb [2025-02-05 13:04:13,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c10dca882/c34485e73be247a2b0834f06a35a8705 [2025-02-05 13:04:13,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 13:04:13,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 13:04:13,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 13:04:13,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 13:04:13,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 13:04:13,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474ef4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13, skipping insertion in model container [2025-02-05 13:04:13,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 13:04:13,314 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_1211a.c[3716,3729] [2025-02-05 13:04:13,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:04:13,324 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 13:04:13,365 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_1211a.c[3716,3729] [2025-02-05 13:04:13,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:04:13,379 INFO L204 MainTranslator]: Completed translation [2025-02-05 13:04:13,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13 WrapperNode [2025-02-05 13:04:13,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 13:04:13,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 13:04:13,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 13:04:13,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 13:04:13,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,417 INFO L138 Inliner]: procedures = 20, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 352 [2025-02-05 13:04:13,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 13:04:13,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 13:04:13,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 13:04:13,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 13:04:13,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,442 INFO L175 MemorySlicer]: Split 44 memory accesses to 14 slices as follows [2, 10, 2, 2, 2, 3, 3, 3, 3, 2, 3, 3, 3, 3]. 23 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 24 writes are split as follows [0, 6, 1, 1, 1, 1, 2, 2, 2, 1, 2, 1, 2, 2]. [2025-02-05 13:04:13,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,461 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 13:04:13,477 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 13:04:13,477 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 13:04:13,477 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 13:04:13,478 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (1/1) ... [2025-02-05 13:04:13,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:04:13,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 13:04:13,506 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 13:04:13,513 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 13:04:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-05 13:04:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-02-05 13:04:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-02-05 13:04:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2025-02-05 13:04:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2025-02-05 13:04:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2025-02-05 13:04:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 13:04:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2025-02-05 13:04:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-05 13:04:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 13:04:13,674 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 13:04:13,675 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 13:04:13,948 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L85: havoc modf_double_~high~2#1; [2025-02-05 13:04:13,948 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-05 13:04:13,948 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L65: havoc modf_double_#t~mem14#1; [2025-02-05 13:04:13,948 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: havoc modf_double_#t~mem23#1; [2025-02-05 13:04:13,948 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L124: havoc isinf_double_#t~bitwise28#1; [2025-02-05 13:04:13,948 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L43: havoc modf_double_~high~0#1; [2025-02-05 13:04:13,948 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L68: havoc modf_double_~high~1#1; [2025-02-05 13:04:13,968 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2025-02-05 13:04:13,968 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 13:04:13,997 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 13:04:13,999 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-05 13:04:13,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:04:13 BoogieIcfgContainer [2025-02-05 13:04:13,999 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 13:04:14,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 13:04:14,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 13:04:14,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 13:04:14,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 01:04:13" (1/3) ... [2025-02-05 13:04:14,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b38bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:04:14, skipping insertion in model container [2025-02-05 13:04:14,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:13" (2/3) ... [2025-02-05 13:04:14,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b38bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:04:14, skipping insertion in model container [2025-02-05 13:04:14,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:04:13" (3/3) ... [2025-02-05 13:04:14,008 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2025-02-05 13:04:14,018 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 13:04:14,019 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1211a.c that has 1 procedures, 122 locations, 1 initial locations, 24 loop locations, and 13 error locations. [2025-02-05 13:04:14,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 13:04:14,068 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;@47adefd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 13:04:14,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-05 13:04:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 108 states have (on average 1.6944444444444444) internal successors, (183), 121 states have internal predecessors, (183), 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 13:04:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-05 13:04:14,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:04:14,076 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-05 13:04:14,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 10 more)] === [2025-02-05 13:04:14,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:04:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash 229000398, now seen corresponding path program 1 times [2025-02-05 13:04:14,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 13:04:14,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565017852] [2025-02-05 13:04:14,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:04:14,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 13:04:14,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-05 13:04:14,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-05 13:04:14,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:04:14,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 13:04:14,150 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 13:04:14,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-05 13:04:14,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-05 13:04:14,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:04:14,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 13:04:14,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 13:04:14,171 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 13:04:14,172 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONUNSUPPORTED_FEATURE (12 of 13 remaining) [2025-02-05 13:04:14,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 13 remaining) [2025-02-05 13:04:14,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (10 of 13 remaining) [2025-02-05 13:04:14,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 13 remaining) [2025-02-05 13:04:14,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 13 remaining) [2025-02-05 13:04:14,174 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 13 remaining) [2025-02-05 13:04:14,174 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 13 remaining) [2025-02-05 13:04:14,175 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 13 remaining) [2025-02-05 13:04:14,175 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 13 remaining) [2025-02-05 13:04:14,175 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 13 remaining) [2025-02-05 13:04:14,175 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 13 remaining) [2025-02-05 13:04:14,175 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 13 remaining) [2025-02-05 13:04:14,175 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 13 remaining) [2025-02-05 13:04:14,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 13:04:14,179 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 13:04:14,189 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 13:04:14,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 01:04:14 BoogieIcfgContainer [2025-02-05 13:04:14,192 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 13:04:14,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 13:04:14,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 13:04:14,196 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 13:04:14,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:04:13" (3/4) ... [2025-02-05 13:04:14,198 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 13:04:14,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 13:04:14,199 INFO L158 Benchmark]: Toolchain (without parser) took 1052.68ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 47.3MB in the end (delta: 64.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-05 13:04:14,200 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:04:14,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.93ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 98.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:04:14,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.23ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:04:14,200 INFO L158 Benchmark]: Boogie Preprocessor took 58.88ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 92.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:04:14,202 INFO L158 Benchmark]: IcfgBuilder took 522.39ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 62.6MB in the end (delta: 29.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-05 13:04:14,202 INFO L158 Benchmark]: TraceAbstraction took 190.61ms. Allocated memory is still 142.6MB. Free memory was 62.1MB in the beginning and 47.8MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:04:14,203 INFO L158 Benchmark]: Witness Printer took 6.14ms. Allocated memory is still 142.6MB. Free memory was 47.8MB in the beginning and 47.3MB in the end (delta: 498.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:04:14,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.93ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 98.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.23ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 96.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.88ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 92.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 522.39ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 62.6MB in the end (delta: 29.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 190.61ms. Allocated memory is still 142.6MB. Free memory was 62.1MB in the beginning and 47.8MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.14ms. Allocated memory is still 142.6MB. Free memory was 47.8MB in the beginning and 47.3MB in the end (delta: 498.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 26]: 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 146, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 26. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = 1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L147] double iptr = __VERIFIER_nondet_double(); [L148] CALL modf_double(x, &iptr) [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [iptr={4:0}, one_modf=1, x=54] [L30] COND TRUE 0 VAL [one_modf=1] [L26] ieee_double_shape_type ew_u; VAL [iptr={4:0}, one_modf=1, x=54] - UnprovableResult [Line: 152]: 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: 131]: 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: 116]: 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: 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: 52]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 47]: 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: 60]: 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: 77]: 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: 72]: 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: 94]: 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: 89]: 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: 102]: 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, 122 locations, 13 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=122occurred 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 13:04:14,217 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_1211a.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 c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 13:04:16,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 13:04:16,125 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 13:04:16,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 13:04:16,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 13:04:16,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 13:04:16,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 13:04:16,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 13:04:16,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 13:04:16,159 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 13:04:16,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 13:04:16,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 13:04:16,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 13:04:16,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 13:04:16,161 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 13:04:16,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 13:04:16,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 13:04:16,162 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 13:04:16,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 13:04:16,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 13:04:16,163 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 13:04:16,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 13:04:16,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 13:04:16,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 13:04:16,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 13:04:16,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:04:16,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 13:04:16,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 13:04:16,165 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 13:04:16,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 13:04:16,165 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 13:04:16,165 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 13:04:16,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 13:04:16,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 13:04:16,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 13:04:16,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 13:04:16,165 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 -> c138455c2c75a696dc60caebdab82a6c0df133a81cb55608013e037f91912548 [2025-02-05 13:04:16,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 13:04:16,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 13:04:16,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 13:04:16,430 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 13:04:16,432 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 13:04:16,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2025-02-05 13:04:17,635 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/79a61fbce/5d521f4f89e44223bdbf07c9474dda0c/FLAG3170e2807 [2025-02-05 13:04:17,828 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 13:04:17,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2025-02-05 13:04:17,837 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/79a61fbce/5d521f4f89e44223bdbf07c9474dda0c/FLAG3170e2807 [2025-02-05 13:04:18,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/79a61fbce/5d521f4f89e44223bdbf07c9474dda0c [2025-02-05 13:04:18,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 13:04:18,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 13:04:18,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 13:04:18,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 13:04:18,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 13:04:18,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c9f05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18, skipping insertion in model container [2025-02-05 13:04:18,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 13:04:18,377 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_1211a.c[3716,3729] [2025-02-05 13:04:18,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:04:18,399 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 13:04:18,440 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_1211a.c[3716,3729] [2025-02-05 13:04:18,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:04:18,457 INFO L204 MainTranslator]: Completed translation [2025-02-05 13:04:18,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18 WrapperNode [2025-02-05 13:04:18,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 13:04:18,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 13:04:18,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 13:04:18,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 13:04:18,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,502 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 247 [2025-02-05 13:04:18,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 13:04:18,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 13:04:18,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 13:04:18,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 13:04:18,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,513 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,536 INFO L175 MemorySlicer]: Split 44 memory accesses to 14 slices as follows [2, 3, 3, 3, 3, 3, 2, 2, 2, 2, 10, 3, 3, 3]. 23 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0]. The 24 writes are split as follows [0, 2, 2, 2, 1, 2, 1, 1, 1, 1, 6, 2, 2, 1]. [2025-02-05 13:04:18,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,559 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 13:04:18,569 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 13:04:18,569 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 13:04:18,569 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 13:04:18,570 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (1/1) ... [2025-02-05 13:04:18,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:04:18,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 13:04:18,595 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 13:04:18,601 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 13:04:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2025-02-05 13:04:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2025-02-05 13:04:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2025-02-05 13:04:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-05 13:04:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-05 13:04:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-05 13:04:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-05 13:04:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2025-02-05 13:04:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 13:04:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-05 13:04:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-02-05 13:04:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 13:04:18,760 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 13:04:18,762 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 13:04:19,485 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L85: havoc modf_double_~high~2#1; [2025-02-05 13:04:19,485 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-05 13:04:19,485 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L65: havoc modf_double_#t~mem10#1; [2025-02-05 13:04:19,485 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: havoc modf_double_#t~mem16#1; [2025-02-05 13:04:19,485 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L43: havoc modf_double_~high~0#1; [2025-02-05 13:04:19,485 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L68: havoc modf_double_~high~1#1; [2025-02-05 13:04:19,495 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2025-02-05 13:04:19,495 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 13:04:19,501 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 13:04:19,502 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 13:04:19,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:04:19 BoogieIcfgContainer [2025-02-05 13:04:19,502 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 13:04:19,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 13:04:19,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 13:04:19,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 13:04:19,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 01:04:18" (1/3) ... [2025-02-05 13:04:19,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212d4b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:04:19, skipping insertion in model container [2025-02-05 13:04:19,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:04:18" (2/3) ... [2025-02-05 13:04:19,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212d4b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:04:19, skipping insertion in model container [2025-02-05 13:04:19,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:04:19" (3/3) ... [2025-02-05 13:04:19,510 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2025-02-05 13:04:19,520 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 13:04:19,522 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1211a.c that has 1 procedures, 52 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2025-02-05 13:04:19,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 13:04:19,564 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;@4ce7bda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 13:04:19,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 13:04:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 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 13:04:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-05 13:04:19,571 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:04:19,571 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:04:19,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:04:19,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:04:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1644171103, now seen corresponding path program 1 times [2025-02-05 13:04:19,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:04:19,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781249199] [2025-02-05 13:04:19,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:04:19,584 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 13:04:19,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:04:19,586 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 13:04:19,589 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 13:04:19,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-05 13:04:19,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-05 13:04:19,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:04:19,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:04:19,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 13:04:19,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:04:19,757 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 13:04:19,757 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:04:19,757 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:04:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781249199] [2025-02-05 13:04:19,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781249199] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:04:19,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:04:19,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 13:04:19,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338955478] [2025-02-05 13:04:19,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:04:19,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 13:04:19,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:04:19,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 13:04:19,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 13:04:19,781 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 13:04:19,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:04:19,792 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2025-02-05 13:04:19,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 13:04:19,794 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2025-02-05 13:04:19,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:04:19,798 INFO L225 Difference]: With dead ends: 102 [2025-02-05 13:04:19,798 INFO L226 Difference]: Without dead ends: 49 [2025-02-05 13:04:19,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 13:04:19,802 INFO L435 NwaCegarLoop]: 58 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, 58 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 13:04:19,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 13:04:19,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-02-05 13:04:19,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-02-05 13:04:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 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 13:04:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2025-02-05 13:04:19,822 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2025-02-05 13:04:19,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:04:19,822 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2025-02-05 13:04:19,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 13:04:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2025-02-05 13:04:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-05 13:04:19,823 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:04:19,823 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:04:19,827 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 13:04:20,027 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 13:04:20,028 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:04:20,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:04:20,028 INFO L85 PathProgramCache]: Analyzing trace with hash -309039202, now seen corresponding path program 1 times [2025-02-05 13:04:20,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:04:20,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721735965] [2025-02-05 13:04:20,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:04:20,029 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 13:04:20,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:04:20,031 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 13:04:20,032 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 13:04:20,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-05 13:04:20,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-05 13:04:20,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:04:20,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:04:20,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-05 13:04:20,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:04:20,404 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 13:04:20,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:04:20,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:04:20,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721735965] [2025-02-05 13:04:20,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1721735965] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:04:20,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:04:20,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 13:04:20,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213294390] [2025-02-05 13:04:20,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:04:20,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 13:04:20,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:04:20,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 13:04:20,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 13:04:20,406 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 13:04:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:04:20,909 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2025-02-05 13:04:20,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 13:04:20,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2025-02-05 13:04:20,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:04:20,911 INFO L225 Difference]: With dead ends: 64 [2025-02-05 13:04:20,911 INFO L226 Difference]: Without dead ends: 27 [2025-02-05 13:04:20,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-05 13:04:20,913 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 16 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-05 13:04:20,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-05 13:04:20,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-05 13:04:20,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-02-05 13:04:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 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 13:04:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2025-02-05 13:04:20,917 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2025-02-05 13:04:20,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:04:20,917 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2025-02-05 13:04:20,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 13:04:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2025-02-05 13:04:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-05 13:04:20,917 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:04:20,917 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:04:20,923 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 13:04:21,118 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 13:04:21,118 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:04:21,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:04:21,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1686295023, now seen corresponding path program 1 times [2025-02-05 13:04:21,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:04:21,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374769592] [2025-02-05 13:04:21,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:04:21,119 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 13:04:21,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:04:21,121 INFO L229 MonitoredProcess]: Starting monitored process 4 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 13:04:21,122 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 (4)] Waiting until timeout for monitored process [2025-02-05 13:04:21,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-05 13:04:21,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-05 13:04:21,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:04:21,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:04:21,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 13:04:21,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:04:21,435 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 13:04:21,435 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:04:21,435 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:04:21,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374769592] [2025-02-05 13:04:21,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374769592] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:04:21,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:04:21,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 13:04:21,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197760710] [2025-02-05 13:04:21,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:04:21,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 13:04:21,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:04:21,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 13:04:21,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 13:04:21,436 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 13:04:21,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:04:21,458 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2025-02-05 13:04:21,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 13:04:21,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2025-02-05 13:04:21,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:04:21,459 INFO L225 Difference]: With dead ends: 30 [2025-02-05 13:04:21,459 INFO L226 Difference]: Without dead ends: 27 [2025-02-05 13:04:21,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 13:04:21,459 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 13:04:21,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 13:04:21,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-05 13:04:21,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-02-05 13:04:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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 13:04:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2025-02-05 13:04:21,462 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2025-02-05 13:04:21,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:04:21,462 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2025-02-05 13:04:21,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 13:04:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2025-02-05 13:04:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-05 13:04:21,463 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:04:21,463 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:04:21,473 INFO L540 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 (4)] Forceful destruction successful, exit code 0 [2025-02-05 13:04:21,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 13:04:21,663 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:04:21,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:04:21,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1327408473, now seen corresponding path program 1 times [2025-02-05 13:04:21,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:04:21,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040005263] [2025-02-05 13:04:21,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:04:21,664 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 13:04:21,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:04:21,666 INFO L229 MonitoredProcess]: Starting monitored process 5 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 13:04:21,667 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 (5)] Waiting until timeout for monitored process [2025-02-05 13:04:21,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-05 13:04:21,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-05 13:04:21,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:04:21,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:04:21,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 13:04:21,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:04:22,094 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 13:04:22,094 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:04:22,094 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:04:22,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040005263] [2025-02-05 13:04:22,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040005263] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:04:22,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:04:22,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 13:04:22,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061095860] [2025-02-05 13:04:22,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:04:22,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 13:04:22,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:04:22,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 13:04:22,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 13:04:22,095 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 13:04:23,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 13:04:23,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:04:23,785 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2025-02-05 13:04:23,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 13:04:23,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2025-02-05 13:04:23,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:04:23,787 INFO L225 Difference]: With dead ends: 31 [2025-02-05 13:04:23,787 INFO L226 Difference]: Without dead ends: 27 [2025-02-05 13:04:23,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-05 13:04:23,787 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-05 13:04:23,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 94 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-05 13:04:23,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-05 13:04:23,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-02-05 13:04:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 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 13:04:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2025-02-05 13:04:23,794 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2025-02-05 13:04:23,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:04:23,794 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2025-02-05 13:04:23,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 13:04:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2025-02-05 13:04:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-05 13:04:23,795 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:04:23,795 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:04:23,806 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 (5)] Ended with exit code 0 [2025-02-05 13:04:23,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 13:04:23,996 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:04:23,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:04:23,997 INFO L85 PathProgramCache]: Analyzing trace with hash 963147211, now seen corresponding path program 1 times [2025-02-05 13:04:23,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:04:23,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337617237] [2025-02-05 13:04:23,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:04:23,997 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 13:04:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:04:23,999 INFO L229 MonitoredProcess]: Starting monitored process 6 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 13:04:24,001 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 (6)] Waiting until timeout for monitored process [2025-02-05 13:04:24,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-05 13:04:24,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-05 13:04:24,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:04:24,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:04:24,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-05 13:04:24,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:04:25,593 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 13:04:25,593 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:04:25,594 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:04:25,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337617237] [2025-02-05 13:04:25,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337617237] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:04:25,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:04:25,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-02-05 13:04:25,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663523138] [2025-02-05 13:04:25,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:04:25,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-05 13:04:25,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:04:25,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-05 13:04:25,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-02-05 13:04:25,595 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 13:04:27,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:04:27,819 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2025-02-05 13:04:27,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-05 13:04:27,820 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 26 [2025-02-05 13:04:27,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:04:27,820 INFO L225 Difference]: With dead ends: 27 [2025-02-05 13:04:27,820 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 13:04:27,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2025-02-05 13:04:27,822 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-05 13:04:27,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 111 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-05 13:04:27,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 13:04:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 13:04:27,823 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 13:04:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 13:04:27,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2025-02-05 13:04:27,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:04:27,823 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 13:04:27,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 13:04:27,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 13:04:27,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 13:04:27,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 13:04:27,836 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 (6)] Ended with exit code 0 [2025-02-05 13:04:28,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 13:04:28,032 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-02-05 13:04:28,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 13:04:28,233 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 13:04:28,240 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:04:28,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:04:28,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:04:28,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:04:28,242 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:04:28,242 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:04:28,242 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:04:28,242 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:04:28,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 01:04:28 BoogieIcfgContainer [2025-02-05 13:04:28,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 13:04:28,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 13:04:28,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 13:04:28,243 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 13:04:28,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:04:19" (3/4) ... [2025-02-05 13:04:28,245 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 13:04:28,252 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2025-02-05 13:04:28,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-02-05 13:04:28,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 13:04:28,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 13:04:28,322 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 13:04:28,322 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 13:04:28,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 13:04:28,324 INFO L158 Benchmark]: Toolchain (without parser) took 10120.98ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 35.4MB in the end (delta: 56.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2025-02-05 13:04:28,324 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:04:28,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.94ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 13:04:28,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.32ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:04:28,325 INFO L158 Benchmark]: Boogie Preprocessor took 65.46ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:04:28,325 INFO L158 Benchmark]: IcfgBuilder took 932.98ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 46.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 13:04:28,325 INFO L158 Benchmark]: TraceAbstraction took 8738.34ms. Allocated memory is still 117.4MB. Free memory was 45.8MB in the beginning and 42.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2025-02-05 13:04:28,326 INFO L158 Benchmark]: Witness Printer took 79.31ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 35.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:04:28,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.94ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.32ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.46ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 932.98ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 46.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8738.34ms. Allocated memory is still 117.4MB. Free memory was 45.8MB in the beginning and 42.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Witness Printer took 79.31ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 35.4MB in the end (delta: 7.5MB). 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 - 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: 152]: 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, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 390 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 247 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 143 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 32 QuantifiedInterpolants, 913 SizeOfPredicates, 15 NumberOfNonLiveVariables, 496 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - InvariantResult [Line: 88]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 85]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 34]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 101]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 43]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 59]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 46]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-05 13:04:28,368 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