./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0970b.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_0970b.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 d5c5ff1b3d40131cee5d1997b867471744922aa520d3755a38edc2a954869cdb --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:11:13,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:11:14,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:11:14,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:11:14,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:11:14,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:11:14,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:11:14,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:11:14,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:11:14,036 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:11:14,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:11:14,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:11:14,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:11:14,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:11:14,037 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:11:14,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:11:14,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:11:14,038 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:11:14,039 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:11:14,039 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:11:14,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:11:14,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:11:14,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:11:14,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:11:14,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:11:14,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:11:14,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:11:14,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:11:14,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:11:14,041 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 -> d5c5ff1b3d40131cee5d1997b867471744922aa520d3755a38edc2a954869cdb [2025-01-09 01:11:14,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:11:14,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:11:14,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:11:14,272 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:11:14,272 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:11:14,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2025-01-09 01:11:15,417 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d3a2f8db3/c25a659152d847c58c6ed104cfa983cc/FLAGbb1069beb [2025-01-09 01:11:15,660 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:11:15,660 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2025-01-09 01:11:15,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d3a2f8db3/c25a659152d847c58c6ed104cfa983cc/FLAGbb1069beb [2025-01-09 01:11:15,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d3a2f8db3/c25a659152d847c58c6ed104cfa983cc [2025-01-09 01:11:15,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:11:15,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:11:15,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:11:15,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:11:15,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:11:15,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c13fd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15, skipping insertion in model container [2025-01-09 01:11:15,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:11:15,847 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_0970b.c[4615,4628] [2025-01-09 01:11:15,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:11:15,857 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:11:15,888 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_0970b.c[4615,4628] [2025-01-09 01:11:15,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:11:15,903 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:11:15,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15 WrapperNode [2025-01-09 01:11:15,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:11:15,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:11:15,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:11:15,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:11:15,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,938 INFO L138 Inliner]: procedures = 18, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 287 [2025-01-09 01:11:15,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:11:15,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:11:15,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:11:15,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:11:15,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,974 INFO L175 MemorySlicer]: Split 18 memory accesses to 7 slices as follows [2, 3, 3, 2, 3, 3, 2]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 2, 1, 2, 1, 1]. [2025-01-09 01:11:15,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,981 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:11:15,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:11:15,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:11:15,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:11:15,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (1/1) ... [2025-01-09 01:11:15,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:11:16,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:11:16,016 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 01:11:16,023 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 01:11:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 01:11:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 01:11:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 01:11:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 01:11:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 01:11:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 01:11:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 01:11:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 01:11:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 01:11:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 01:11:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 01:11:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 01:11:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-01-09 01:11:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-01-09 01:11:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-01-09 01:11:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-01-09 01:11:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-01-09 01:11:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-01-09 01:11:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-01-09 01:11:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:11:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:11:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 01:11:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 01:11:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 01:11:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 01:11:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 01:11:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 01:11:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 01:11:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:11:16,148 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:11:16,150 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:11:16,390 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2025-01-09 01:11:16,391 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:11:16,397 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:11:16,399 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2025-01-09 01:11:16,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:11:16 BoogieIcfgContainer [2025-01-09 01:11:16,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:11:16,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:11:16,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:11:16,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:11:16,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:11:15" (1/3) ... [2025-01-09 01:11:16,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a59b1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:11:16, skipping insertion in model container [2025-01-09 01:11:16,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:15" (2/3) ... [2025-01-09 01:11:16,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a59b1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:11:16, skipping insertion in model container [2025-01-09 01:11:16,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:11:16" (3/3) ... [2025-01-09 01:11:16,406 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2025-01-09 01:11:16,415 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:11:16,416 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0970b.c that has 1 procedures, 80 locations, 1 initial locations, 12 loop locations, and 7 error locations. [2025-01-09 01:11:16,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:11:16,472 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;@35c42c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:11:16,472 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-01-09 01:11:16,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 72 states have (on average 1.7777777777777777) internal successors, (128), 79 states have internal predecessors, (128), 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 01:11:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:11:16,481 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:11:16,482 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:11:16,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 4 more)] === [2025-01-09 01:11:16,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:11:16,490 INFO L85 PathProgramCache]: Analyzing trace with hash 925638, now seen corresponding path program 1 times [2025-01-09 01:11:16,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:11:16,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473245109] [2025-01-09 01:11:16,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:11:16,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:11:16,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:11:16,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:11:16,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:11:16,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:11:16,599 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:11:16,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:11:16,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:11:16,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:11:16,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:11:16,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:11:16,631 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:11:16,632 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 7 remaining) [2025-01-09 01:11:16,633 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 7 remaining) [2025-01-09 01:11:16,633 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 7 remaining) [2025-01-09 01:11:16,633 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 7 remaining) [2025-01-09 01:11:16,634 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 7 remaining) [2025-01-09 01:11:16,635 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 7 remaining) [2025-01-09 01:11:16,635 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2025-01-09 01:11:16,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:11:16,638 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:11:16,651 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:11:16,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:11:16 BoogieIcfgContainer [2025-01-09 01:11:16,655 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:11:16,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:11:16,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:11:16,655 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:11:16,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:11:16" (3/4) ... [2025-01-09 01:11:16,658 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:11:16,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:11:16,659 INFO L158 Benchmark]: Toolchain (without parser) took 968.27ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 67.0MB in the end (delta: 56.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-09 01:11:16,660 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:11:16,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.58ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 109.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:11:16,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.77ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 107.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:11:16,661 INFO L158 Benchmark]: Boogie Preprocessor took 45.42ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 104.0MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:11:16,661 INFO L158 Benchmark]: RCFGBuilder took 409.93ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 81.9MB in the end (delta: 22.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:11:16,661 INFO L158 Benchmark]: TraceAbstraction took 253.71ms. Allocated memory is still 167.8MB. Free memory was 80.9MB in the beginning and 67.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:11:16,662 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 167.8MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:11:16,663 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 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.58ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 109.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.77ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 107.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.42ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 104.0MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.93ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 81.9MB in the end (delta: 22.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 253.71ms. Allocated memory is still 167.8MB. Free memory was 80.9MB in the beginning and 67.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 167.8MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 126]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 172, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 126. Possible FailurePath: [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L30] static const double zero = 0.0; [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L118] static const double zero_log10 = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, zero=0, zero_log10=0] [L172] double x = -1.0 / 0.0; [L173] CALL __ieee754_log10(x) [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481989, zero=0, zero_log10=0] [L126] ieee_double_shape_type ew_u; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481989, zero=0, zero_log10=0] - UnprovableResult [Line: 141]: 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: 153]: 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: 38]: 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: 53]: 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: 64]: 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, 80 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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 01:11:16,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0970b.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 d5c5ff1b3d40131cee5d1997b867471744922aa520d3755a38edc2a954869cdb --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:11:18,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:11:18,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:11:18,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:11:18,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:11:18,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:11:18,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:11:18,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:11:18,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:11:18,768 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:11:18,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:11:18,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:11:18,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:11:18,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:11:18,770 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:11:18,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:11:18,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:11:18,770 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:11:18,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:11:18,771 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:11:18,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:11:18,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:11:18,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:11:18,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:11:18,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:11:18,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:11:18,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:11:18,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:11:18,773 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:11:18,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:11:18,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:11:18,774 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 -> d5c5ff1b3d40131cee5d1997b867471744922aa520d3755a38edc2a954869cdb [2025-01-09 01:11:19,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:11:19,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:11:19,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:11:19,062 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:11:19,062 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:11:19,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2025-01-09 01:11:20,270 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/76d024e3d/1ab27e11809b460ca6cc09a80bf13bb2/FLAGb0d63a1a4 [2025-01-09 01:11:20,448 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:11:20,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2025-01-09 01:11:20,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/76d024e3d/1ab27e11809b460ca6cc09a80bf13bb2/FLAGb0d63a1a4 [2025-01-09 01:11:20,473 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/76d024e3d/1ab27e11809b460ca6cc09a80bf13bb2 [2025-01-09 01:11:20,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:11:20,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:11:20,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:11:20,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:11:20,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:11:20,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28968676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20, skipping insertion in model container [2025-01-09 01:11:20,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,498 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:11:20,664 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_0970b.c[4615,4628] [2025-01-09 01:11:20,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:11:20,681 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:11:20,714 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_0970b.c[4615,4628] [2025-01-09 01:11:20,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:11:20,728 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:11:20,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20 WrapperNode [2025-01-09 01:11:20,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:11:20,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:11:20,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:11:20,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:11:20,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,757 INFO L138 Inliner]: procedures = 21, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 215 [2025-01-09 01:11:20,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:11:20,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:11:20,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:11:20,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:11:20,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,785 INFO L175 MemorySlicer]: Split 18 memory accesses to 7 slices as follows [2, 2, 3, 3, 3, 2, 3]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 2, 2, 1, 1]. [2025-01-09 01:11:20,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,794 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:11:20,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:11:20,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:11:20,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:11:20,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (1/1) ... [2025-01-09 01:11:20,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:11:20,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:11:20,832 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 01:11:20,835 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 01:11:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:11:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-01-09 01:11:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-01-09 01:11:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:11:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-01-09 01:11:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:11:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:11:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 01:11:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 01:11:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 01:11:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 01:11:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 01:11:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 01:11:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-01-09 01:11:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:11:20,957 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:11:20,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:12:13,429 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2025-01-09 01:12:13,429 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:12:13,436 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:12:13,436 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2025-01-09 01:12:13,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:13 BoogieIcfgContainer [2025-01-09 01:12:13,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:12:13,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:12:13,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:12:13,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:12:13,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:11:20" (1/3) ... [2025-01-09 01:12:13,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1b831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:13, skipping insertion in model container [2025-01-09 01:12:13,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:11:20" (2/3) ... [2025-01-09 01:12:13,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1b831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:13, skipping insertion in model container [2025-01-09 01:12:13,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:13" (3/3) ... [2025-01-09 01:12:13,444 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2025-01-09 01:12:13,454 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:12:13,455 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0970b.c that has 1 procedures, 42 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-01-09 01:12:13,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:12:13,507 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;@5f25c062, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:12:13,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:12:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.725) internal successors, (69), 41 states have internal predecessors, (69), 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 01:12:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-09 01:12:13,514 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:13,515 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:13,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:13,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash -602842293, now seen corresponding path program 1 times [2025-01-09 01:12:13,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:13,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526569197] [2025-01-09 01:12:13,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:13,530 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 01:12:13,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:13,534 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 01:12:13,538 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 01:12:13,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-09 01:12:14,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-09 01:12:14,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:14,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:14,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:12:14,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:14,213 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 01:12:14,214 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:14,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:14,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526569197] [2025-01-09 01:12:14,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526569197] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:14,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:14,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:12:14,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819945836] [2025-01-09 01:12:14,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:14,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:12:14,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:14,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:12:14,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:12:14,261 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.725) internal successors, (69), 41 states have internal predecessors, (69), 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 01:12:14,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:14,277 INFO L93 Difference]: Finished difference Result 82 states and 136 transitions. [2025-01-09 01:12:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:12:14,278 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 01:12:14,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:14,285 INFO L225 Difference]: With dead ends: 82 [2025-01-09 01:12:14,285 INFO L226 Difference]: Without dead ends: 39 [2025-01-09 01:12:14,287 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 01:12:14,292 INFO L435 NwaCegarLoop]: 56 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, 56 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 01:12:14,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:12:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-01-09 01:12:14,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2025-01-09 01:12:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:14,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2025-01-09 01:12:14,331 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 10 [2025-01-09 01:12:14,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:14,331 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2025-01-09 01:12:14,331 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 01:12:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2025-01-09 01:12:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-09 01:12:14,332 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:14,332 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:14,355 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 01:12:14,533 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 01:12:14,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:14,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:14,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1356817806, now seen corresponding path program 1 times [2025-01-09 01:12:14,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:14,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654113710] [2025-01-09 01:12:14,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:14,535 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 01:12:14,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:14,537 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 01:12:14,538 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 01:12:14,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-09 01:12:15,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-09 01:12:15,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:15,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:15,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 01:12:15,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:16,623 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 01:12:16,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:16,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:16,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [654113710] [2025-01-09 01:12:16,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [654113710] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:16,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:16,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 01:12:16,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472475868] [2025-01-09 01:12:16,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:16,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 01:12:16,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:16,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 01:12:16,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 01:12:16,626 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:19,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:12:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:20,981 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2025-01-09 01:12:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 01:12:20,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-01-09 01:12:20,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:20,983 INFO L225 Difference]: With dead ends: 44 [2025-01-09 01:12:20,983 INFO L226 Difference]: Without dead ends: 13 [2025-01-09 01:12:20,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 01:12:20,984 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-01-09 01:12:20,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 16 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-01-09 01:12:20,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-01-09 01:12:20,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-01-09 01:12:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 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 01:12:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2025-01-09 01:12:20,989 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2025-01-09 01:12:20,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:20,989 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2025-01-09 01:12:20,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2025-01-09 01:12:20,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-09 01:12:20,990 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:20,990 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:21,007 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 01:12:21,191 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 01:12:21,191 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:21,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:21,192 INFO L85 PathProgramCache]: Analyzing trace with hash -958570895, now seen corresponding path program 1 times [2025-01-09 01:12:21,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:21,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083852282] [2025-01-09 01:12:21,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:21,192 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 01:12:21,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:21,195 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 01:12:21,196 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 01:12:21,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-09 01:12:21,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-09 01:12:21,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:21,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:21,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-09 01:12:21,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:25,438 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 01:12:25,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:25,439 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:25,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083852282] [2025-01-09 01:12:25,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083852282] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:25,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:25,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 01:12:25,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031585263] [2025-01-09 01:12:25,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:25,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 01:12:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:25,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 01:12:25,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:12:25,439 INFO L87 Difference]: Start difference. First operand 13 states and 12 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 01:12:28,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:28,088 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2025-01-09 01:12:28,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 01:12:28,089 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 01:12:28,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:28,089 INFO L225 Difference]: With dead ends: 13 [2025-01-09 01:12:28,089 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 01:12:28,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-09 01:12:28,089 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-01-09 01:12:28,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 20 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-01-09 01:12:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 01:12:28,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 01:12:28,090 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 01:12:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 01:12:28,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2025-01-09 01:12:28,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:28,090 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 01:12:28,090 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 01:12:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 01:12:28,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 01:12:28,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 01:12:28,113 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 01:12:28,299 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 01:12:28,302 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 01:12:28,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 01:12:29,145 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:12:29,158 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2025-01-09 01:12:29,159 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:12:29,159 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:12:29,159 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:12:29,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:12:29 BoogieIcfgContainer [2025-01-09 01:12:29,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:12:29,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:12:29,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:12:29,160 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:12:29,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:13" (3/4) ... [2025-01-09 01:12:29,162 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 01:12:29,167 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-01-09 01:12:29,167 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-01-09 01:12:29,167 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 01:12:29,168 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 01:12:29,222 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 01:12:29,222 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 01:12:29,222 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:12:29,223 INFO L158 Benchmark]: Toolchain (without parser) took 68745.58ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 42.4MB in the end (delta: 49.7MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2025-01-09 01:12:29,223 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:29,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.60ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:12:29,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.93ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:29,224 INFO L158 Benchmark]: Boogie Preprocessor took 45.83ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 71.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:29,224 INFO L158 Benchmark]: RCFGBuilder took 52632.11ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 50.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:12:29,224 INFO L158 Benchmark]: TraceAbstraction took 15721.36ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 50.0MB in the end (delta: -12.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:29,224 INFO L158 Benchmark]: Witness Printer took 62.60ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 42.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:12:29,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 83.9MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.60ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.93ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.83ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 71.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 52632.11ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 50.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 15721.36ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 50.0MB in the end (delta: -12.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.60ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 42.4MB in the end (delta: 7.6MB). 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: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 69 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 1.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 5 QuantifiedInterpolants, 239 SizeOfPredicates, 5 NumberOfNonLiveVariables, 161 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: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 01:12:29,435 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-01-09 01:12:29,459 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