./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_1121b.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 eabf73fda8ad66cc712b5e2aa068d76d83b4a035cc33c195eef372e98b57afab --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:12:28,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:12:28,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:12:28,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:12:28,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:12:28,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:12:28,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:12:28,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:12:28,295 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:12:28,295 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:12:28,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:12:28,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:12:28,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:12:28,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:12:28,295 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:12:28,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:12:28,296 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:12:28,297 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:28,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:28,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:28,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:12:28,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:12:28,298 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 -> eabf73fda8ad66cc712b5e2aa068d76d83b4a035cc33c195eef372e98b57afab [2025-01-09 01:12:28,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:12:28,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:12:28,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:12:28,550 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:12:28,550 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:12:28,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2025-01-09 01:12:29,818 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7902e2f29/6577f736ed6042d194a9b8b2788e2fbf/FLAG20fdef6f6 [2025-01-09 01:12:30,147 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:12:30,148 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2025-01-09 01:12:30,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7902e2f29/6577f736ed6042d194a9b8b2788e2fbf/FLAG20fdef6f6 [2025-01-09 01:12:30,172 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7902e2f29/6577f736ed6042d194a9b8b2788e2fbf [2025-01-09 01:12:30,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:12:30,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:12:30,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:30,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:12:30,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:12:30,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb21166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30, skipping insertion in model container [2025-01-09 01:12:30,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:12:30,345 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_1121b.c[3884,3897] [2025-01-09 01:12:30,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:30,357 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:12:30,399 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_1121b.c[3884,3897] [2025-01-09 01:12:30,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:30,417 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:12:30,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30 WrapperNode [2025-01-09 01:12:30,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:30,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:30,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:12:30,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:12:30,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,466 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 430 [2025-01-09 01:12:30,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:30,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:12:30,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:12:30,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:12:30,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,506 INFO L175 MemorySlicer]: Split 19 memory accesses to 6 slices as follows [2, 3, 5, 3, 3, 3]. 26 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 2, 0, 0, 0]. The 6 writes are split as follows [0, 1, 0, 1, 2, 2]. [2025-01-09 01:12:30,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:12:30,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:12:30,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:12:30,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:12:30,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (1/1) ... [2025-01-09 01:12:30,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:30,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:12:30,574 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) [2025-01-09 01:12:30,588 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 [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:12:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-01-09 01:12:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:12:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-01-09 01:12:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-01-09 01:12:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-01-09 01:12:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-01-09 01:12:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:12:30,689 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:12:30,691 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:12:31,081 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2025-01-09 01:12:31,081 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:12:31,089 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:12:31,089 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2025-01-09 01:12:31,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:31 BoogieIcfgContainer [2025-01-09 01:12:31,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:12:31,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:12:31,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:12:31,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:12:31,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:12:30" (1/3) ... [2025-01-09 01:12:31,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a35c885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:31, skipping insertion in model container [2025-01-09 01:12:31,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:30" (2/3) ... [2025-01-09 01:12:31,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a35c885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:31, skipping insertion in model container [2025-01-09 01:12:31,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:31" (3/3) ... [2025-01-09 01:12:31,096 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b.c [2025-01-09 01:12:31,104 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:12:31,106 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1121b.c that has 1 procedures, 153 locations, 1 initial locations, 14 loop locations, and 5 error locations. [2025-01-09 01:12:31,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:12:31,149 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;@2853e03a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:12:31,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-09 01:12:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 147 states have (on average 1.6258503401360545) internal successors, (239), 152 states have internal predecessors, (239), 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) [2025-01-09 01:12:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:12:31,154 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:31,155 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:12:31,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2025-01-09 01:12:31,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:31,158 INFO L85 PathProgramCache]: Analyzing trace with hash 925638, now seen corresponding path program 1 times [2025-01-09 01:12:31,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:12:31,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065951220] [2025-01-09 01:12:31,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:31,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:12:31,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:12:31,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:12:31,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:31,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:12:31,221 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:12:31,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:12:31,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:12:31,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:31,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:12:31,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:12:31,244 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:12:31,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 5 remaining) [2025-01-09 01:12:31,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 5 remaining) [2025-01-09 01:12:31,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 5 remaining) [2025-01-09 01:12:31,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 5 remaining) [2025-01-09 01:12:31,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2025-01-09 01:12:31,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:12:31,250 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:12:31,259 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:12:31,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:12:31 BoogieIcfgContainer [2025-01-09 01:12:31,261 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:12:31,262 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:12:31,262 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:12:31,262 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:12:31,263 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:31" (3/4) ... [2025-01-09 01:12:31,264 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:12:31,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:12:31,265 INFO L158 Benchmark]: Toolchain (without parser) took 1090.06ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 49.8MB in the end (delta: 72.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-01-09 01:12:31,266 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 218.1MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:31,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.12ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 108.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:12:31,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 105.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:31,266 INFO L158 Benchmark]: Boogie Preprocessor took 75.79ms. Allocated memory is still 167.8MB. Free memory was 105.2MB in the beginning and 101.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:31,267 INFO L158 Benchmark]: RCFGBuilder took 546.53ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 64.5MB in the end (delta: 36.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-09 01:12:31,267 INFO L158 Benchmark]: TraceAbstraction took 170.61ms. Allocated memory is still 167.8MB. Free memory was 63.8MB in the beginning and 50.3MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:12:31,267 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 167.8MB. Free memory was 50.3MB in the beginning and 49.8MB in the end (delta: 508.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:12:31,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 218.1MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.12ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 108.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 105.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.79ms. Allocated memory is still 167.8MB. Free memory was 105.2MB in the beginning and 101.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.53ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 64.5MB in the end (delta: 36.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 170.61ms. Allocated memory is still 167.8MB. Free memory was 63.8MB in the beginning and 50.3MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 167.8MB. Free memory was 50.3MB in the beginning and 49.8MB in the end (delta: 508.5kB). 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: 30]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 30, overapproximation of someUnaryDOUBLEoperation at line 172, overapproximation of someUnaryDOUBLEoperation at line 22. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L171] double x = __VERIFIER_nondet_double(); [L172] double y = -0.0; [L173] CALL fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, one_fmod=1, x=54] [L30] ieee_double_shape_type ew_u; VAL [Zero_fmod={4:0}, one_fmod=1, x=54] - UnprovableResult [Line: 36]: 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: 137]: 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: 155]: 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: 177]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 153 locations, 5 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=153occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 01:12:31,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1121b.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 eabf73fda8ad66cc712b5e2aa068d76d83b4a035cc33c195eef372e98b57afab --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:12:33,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:12:33,341 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:12:33,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:12:33,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:12:33,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:12:33,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:12:33,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:12:33,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:12:33,413 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:12:33,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:12:33,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:12:33,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:12:33,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:12:33,414 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:12:33,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:12:33,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:12:33,414 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:12:33,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:12:33,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:12:33,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:12:33,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:12:33,415 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:33,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:33,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:33,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:33,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:12:33,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:33,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:33,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:33,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:33,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:12:33,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:12:33,416 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:12:33,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:12:33,417 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:12:33,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:12:33,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:12:33,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:12:33,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:12:33,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:12:33,417 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 -> eabf73fda8ad66cc712b5e2aa068d76d83b4a035cc33c195eef372e98b57afab [2025-01-09 01:12:33,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:12:33,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:12:33,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:12:33,677 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:12:33,677 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:12:33,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2025-01-09 01:12:35,049 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ada3d56a3/eec7215bbf9b408cac2b6c84388573d6/FLAG8427cc861 [2025-01-09 01:12:35,319 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:12:35,321 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2025-01-09 01:12:35,329 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ada3d56a3/eec7215bbf9b408cac2b6c84388573d6/FLAG8427cc861 [2025-01-09 01:12:35,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ada3d56a3/eec7215bbf9b408cac2b6c84388573d6 [2025-01-09 01:12:35,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:12:35,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:12:35,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:35,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:12:35,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:12:35,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d7c9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35, skipping insertion in model container [2025-01-09 01:12:35,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:12:35,513 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_1121b.c[3884,3897] [2025-01-09 01:12:35,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:35,530 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:12:35,573 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_1121b.c[3884,3897] [2025-01-09 01:12:35,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:35,592 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:12:35,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35 WrapperNode [2025-01-09 01:12:35,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:35,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:35,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:12:35,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:12:35,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,638 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 208 [2025-01-09 01:12:35,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:35,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:12:35,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:12:35,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:12:35,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,676 INFO L175 MemorySlicer]: Split 19 memory accesses to 6 slices as follows [2, 3, 3, 5, 3, 3]. 26 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0]. The 6 writes are split as follows [0, 2, 2, 0, 1, 1]. [2025-01-09 01:12:35,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,692 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:12:35,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:12:35,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:12:35,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:12:35,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (1/1) ... [2025-01-09 01:12:35,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:35,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:12:35,749 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) [2025-01-09 01:12:35,756 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 [2025-01-09 01:12:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-01-09 01:12:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-01-09 01:12:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-01-09 01:12:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-01-09 01:12:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:12:35,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 01:12:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 01:12:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 01:12:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 01:12:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 01:12:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:12:35,919 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:12:35,920 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:12:42,560 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2025-01-09 01:12:42,560 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:12:42,566 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:12:42,566 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2025-01-09 01:12:42,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:42 BoogieIcfgContainer [2025-01-09 01:12:42,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:12:42,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:12:42,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:12:42,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:12:42,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:12:35" (1/3) ... [2025-01-09 01:12:42,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fba893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:42, skipping insertion in model container [2025-01-09 01:12:42,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:35" (2/3) ... [2025-01-09 01:12:42,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fba893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:42, skipping insertion in model container [2025-01-09 01:12:42,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:42" (3/3) ... [2025-01-09 01:12:42,573 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b.c [2025-01-09 01:12:42,583 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:12:42,584 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1121b.c that has 1 procedures, 52 locations, 1 initial locations, 10 loop locations, and 1 error locations. [2025-01-09 01:12:42,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:12:42,621 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;@3c703847, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:12:42,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:12:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.76) internal successors, (88), 51 states have internal predecessors, (88), 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) [2025-01-09 01:12:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-09 01:12:42,627 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:42,627 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:42,627 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:42,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash -50042123, now seen corresponding path program 1 times [2025-01-09 01:12:42,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:42,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885302068] [2025-01-09 01:12:42,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:42,637 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 [2025-01-09 01:12:42,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:42,640 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) [2025-01-09 01:12:42,641 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 [2025-01-09 01:12:42,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-09 01:12:43,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-09 01:12:43,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:43,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:43,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:12:43,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:43,326 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:43,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:43,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885302068] [2025-01-09 01:12:43,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885302068] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:43,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:43,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:12:43,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540132451] [2025-01-09 01:12:43,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:43,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:12:43,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:43,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:12:43,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:12:43,342 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.76) internal successors, (88), 51 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-01-09 01:12:43,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:43,354 INFO L93 Difference]: Finished difference Result 102 states and 174 transitions. [2025-01-09 01:12:43,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:12:43,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2025-01-09 01:12:43,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:43,359 INFO L225 Difference]: With dead ends: 102 [2025-01-09 01:12:43,359 INFO L226 Difference]: Without dead ends: 49 [2025-01-09 01:12:43,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:12:43,362 INFO L435 NwaCegarLoop]: 78 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, 78 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 [2025-01-09 01:12:43,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:12:43,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-01-09 01:12:43,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-01-09 01:12:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.5625) internal successors, (75), 48 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 75 transitions. [2025-01-09 01:12:43,383 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 75 transitions. Word has length 10 [2025-01-09 01:12:43,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:43,383 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 75 transitions. [2025-01-09 01:12:43,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-01-09 01:12:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2025-01-09 01:12:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-09 01:12:43,384 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:43,385 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:43,404 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 [2025-01-09 01:12:43,585 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 [2025-01-09 01:12:43,586 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:43,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1902031795, now seen corresponding path program 1 times [2025-01-09 01:12:43,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:43,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179545288] [2025-01-09 01:12:43,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:43,588 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 [2025-01-09 01:12:43,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:43,590 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) [2025-01-09 01:12:43,592 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 [2025-01-09 01:12:43,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-09 01:12:44,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-09 01:12:44,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:44,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:44,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 01:12:44,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:54,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:54,219 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:54,219 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:54,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179545288] [2025-01-09 01:12:54,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179545288] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:54,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:54,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 01:12:54,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431943618] [2025-01-09 01:12:54,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:54,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 01:12:54,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:54,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 01:12:54,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:12:54,224 INFO L87 Difference]: Start difference. First operand 49 states and 75 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2025-01-09 01:12:57,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:13:05,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:13:12,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 01:13:12,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:13:12,503 INFO L93 Difference]: Finished difference Result 54 states and 79 transitions. [2025-01-09 01:13:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 01:13:12,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2025-01-09 01:13:12,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:13:12,535 INFO L225 Difference]: With dead ends: 54 [2025-01-09 01:13:12,536 INFO L226 Difference]: Without dead ends: 49 [2025-01-09 01:13:12,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-09 01:13:12,536 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 70 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2025-01-09 01:13:12,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 276 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2025-01-09 01:13:12,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-01-09 01:13:12,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-01-09 01:13:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 48 states have internal predecessors, (74), 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) [2025-01-09 01:13:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 74 transitions. [2025-01-09 01:13:12,540 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 74 transitions. Word has length 12 [2025-01-09 01:13:12,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:13:12,541 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 74 transitions. [2025-01-09 01:13:12,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2025-01-09 01:13:12,541 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2025-01-09 01:13:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-09 01:13:12,541 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:13:12,541 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:13:12,561 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 [2025-01-09 01:13:12,746 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 [2025-01-09 01:13:12,746 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:13:12,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:13:12,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1200004808, now seen corresponding path program 1 times [2025-01-09 01:13:12,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:13:12,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408847708] [2025-01-09 01:13:12,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:13:12,747 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 [2025-01-09 01:13:12,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:13:12,749 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) [2025-01-09 01:13:12,750 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 [2025-01-09 01:13:12,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-09 01:13:12,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-09 01:13:12,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:13:12,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:13:12,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-09 01:13:12,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:13:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:13:14,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:13:14,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:13:14,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408847708] [2025-01-09 01:13:14,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408847708] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:13:14,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:13:14,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 01:13:14,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510640045] [2025-01-09 01:13:14,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:13:14,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 01:13:14,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:13:14,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 01:13:14,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 01:13:14,033 INFO L87 Difference]: Start difference. First operand 49 states and 74 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:14,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:13:14,628 INFO L93 Difference]: Finished difference Result 49 states and 74 transitions. [2025-01-09 01:13:14,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 01:13:14,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-01-09 01:13:14,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:13:14,628 INFO L225 Difference]: With dead ends: 49 [2025-01-09 01:13:14,628 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 01:13:14,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:13:14,629 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 01:13:14,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 01:13:14,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 01:13:14,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 01:13:14,630 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) [2025-01-09 01:13:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 01:13:14,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2025-01-09 01:13:14,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:13:14,630 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 01:13:14,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 01:13:14,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 01:13:14,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 01:13:14,641 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 (4)] Ended with exit code 0 [2025-01-09 01:13:14,837 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 [2025-01-09 01:13:14,840 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 01:13:14,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 01:13:15,238 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:13:15,246 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2025-01-09 01:13:15,247 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:13:15,247 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:13:15,247 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2025-01-09 01:13:15,247 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:13:15,247 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:13:15,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:13:15 BoogieIcfgContainer [2025-01-09 01:13:15,247 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:13:15,248 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:13:15,248 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:13:15,248 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:13:15,249 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:42" (3/4) ... [2025-01-09 01:13:15,251 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 01:13:15,258 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-01-09 01:13:15,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-01-09 01:13:15,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 01:13:15,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 01:13:15,338 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 01:13:15,338 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 01:13:15,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:13:15,339 INFO L158 Benchmark]: Toolchain (without parser) took 39993.00ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 73.1MB in the end (delta: 42.6MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,340 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:15,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.97ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 100.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.17ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:15,341 INFO L158 Benchmark]: Boogie Preprocessor took 75.06ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 95.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:15,341 INFO L158 Benchmark]: RCFGBuilder took 6848.89ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 71.9MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,341 INFO L158 Benchmark]: TraceAbstraction took 32679.10ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 80.6MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:15,341 INFO L158 Benchmark]: Witness Printer took 90.17ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 73.1MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:15,342 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 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.97ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 100.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.17ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.06ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 95.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 6848.89ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 71.9MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32679.10ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 80.6MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 90.17ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 73.1MB 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: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 177]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 10.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 367 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 154 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 163 SizeOfPredicates, 5 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 01:13:15,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE