./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i -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 b9cb80ce7b0c0db24d48a98e6e8d1fa81dc0ba8a1f2c5d148b0b0229d5ab18a1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:28:42,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:28:42,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 04:28:42,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:28:42,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:28:42,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:28:42,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:28:42,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:28:42,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:28:42,315 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:28:42,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:28:42,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:28:42,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:28:42,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:28:42,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:28:42,317 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 04:28:42,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:28:42,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:28:42,318 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:28:42,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:28:42,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:28:42,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:28:42,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:28:42,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:28:42,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:28:42,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:28:42,319 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:28:42,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:28:42,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:28:42,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:28:42,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:28:42,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:28:42,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:28:42,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:28:42,320 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 -> b9cb80ce7b0c0db24d48a98e6e8d1fa81dc0ba8a1f2c5d148b0b0229d5ab18a1 [2025-02-06 04:28:42,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:28:42,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:28:42,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:28:42,630 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:28:42,630 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:28:42,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2025-02-06 04:28:43,889 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02f48b16d/c9bf5a7cbf6a4feba4fe2cfe72b19086/FLAG813065b9c [2025-02-06 04:28:44,188 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:28:44,190 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2025-02-06 04:28:44,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02f48b16d/c9bf5a7cbf6a4feba4fe2cfe72b19086/FLAG813065b9c [2025-02-06 04:28:44,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02f48b16d/c9bf5a7cbf6a4feba4fe2cfe72b19086 [2025-02-06 04:28:44,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:28:44,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:28:44,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:28:44,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:28:44,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:28:44,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1298cda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44, skipping insertion in model container [2025-02-06 04:28:44,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:28:44,429 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/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2025-02-06 04:28:44,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:28:44,611 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:28:44,621 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/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i[1107,1120] [2025-02-06 04:28:44,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:28:44,693 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:28:44,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44 WrapperNode [2025-02-06 04:28:44,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:28:44,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:28:44,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:28:44,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:28:44,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,737 INFO L138 Inliner]: procedures = 163, calls = 40, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2025-02-06 04:28:44,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:28:44,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:28:44,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:28:44,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:28:44,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,768 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-02-06 04:28:44,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,778 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:28:44,786 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:28:44,786 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:28:44,786 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:28:44,787 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (1/1) ... [2025-02-06 04:28:44,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:28:44,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:28:44,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 04:28:44,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 04:28:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 04:28:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:28:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-06 04:28:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-06 04:28:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:28:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:28:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:28:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:28:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 04:28:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:28:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:28:44,840 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 04:28:44,939 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:28:44,941 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:28:45,133 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 04:28:45,134 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:28:45,257 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:28:45,258 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:28:45,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:28:45 BoogieIcfgContainer [2025-02-06 04:28:45,258 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:28:45,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:28:45,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:28:45,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:28:45,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:28:44" (1/3) ... [2025-02-06 04:28:45,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@940ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:28:45, skipping insertion in model container [2025-02-06 04:28:45,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:28:44" (2/3) ... [2025-02-06 04:28:45,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@940ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:28:45, skipping insertion in model container [2025-02-06 04:28:45,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:28:45" (3/3) ... [2025-02-06 04:28:45,270 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2025-02-06 04:28:45,286 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:28:45,288 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i that has 2 procedures, 40 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 04:28:45,288 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 04:28:45,325 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 04:28:45,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 41 transitions, 86 flow [2025-02-06 04:28:45,386 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2025-02-06 04:28:45,389 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 04:28:45,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2025-02-06 04:28:45,396 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 41 transitions, 86 flow [2025-02-06 04:28:45,399 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 37 transitions, 77 flow [2025-02-06 04:28:45,410 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:28:45,426 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;@5153f781, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:28:45,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 04:28:45,442 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 04:28:45,442 INFO L124 PetriNetUnfolderBase]: 1/30 cut-off events. [2025-02-06 04:28:45,442 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 04:28:45,443 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 04:28:45,443 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:28:45,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-02-06 04:28:45,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:28:45,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1944021681, now seen corresponding path program 1 times [2025-02-06 04:28:45,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:28:45,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319912510] [2025-02-06 04:28:45,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:28:45,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:28:45,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 04:28:45,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 04:28:45,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:28:45,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:28:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 04:28:45,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:28:45,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319912510] [2025-02-06 04:28:45,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319912510] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:28:45,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:28:45,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 04:28:45,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932140194] [2025-02-06 04:28:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:28:45,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 04:28:45,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:28:45,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 04:28:45,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 04:28:45,888 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 41 [2025-02-06 04:28:45,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 37 transitions, 77 flow. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:28:45,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 04:28:45,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 41 [2025-02-06 04:28:45,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 04:28:46,088 INFO L124 PetriNetUnfolderBase]: 98/286 cut-off events. [2025-02-06 04:28:46,089 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 04:28:46,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 286 events. 98/286 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1365 event pairs, 60 based on Foata normal form. 12/291 useless extension candidates. Maximal degree in co-relation 501. Up to 144 conditions per place. [2025-02-06 04:28:46,094 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 27 selfloop transitions, 3 changer transitions 12/57 dead transitions. [2025-02-06 04:28:46,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 57 transitions, 201 flow [2025-02-06 04:28:46,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 04:28:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 04:28:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2025-02-06 04:28:46,107 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6048780487804878 [2025-02-06 04:28:46,111 INFO L175 Difference]: Start difference. First operand has 40 places, 37 transitions, 77 flow. Second operand 5 states and 124 transitions. [2025-02-06 04:28:46,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 57 transitions, 201 flow [2025-02-06 04:28:46,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 57 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 04:28:46,119 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 91 flow [2025-02-06 04:28:46,121 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=91, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2025-02-06 04:28:46,124 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 6 predicate places. [2025-02-06 04:28:46,124 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 91 flow [2025-02-06 04:28:46,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:28:46,124 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 04:28:46,124 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:28:46,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 04:28:46,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-02-06 04:28:46,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:28:46,126 INFO L85 PathProgramCache]: Analyzing trace with hash -598974965, now seen corresponding path program 1 times [2025-02-06 04:28:46,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:28:46,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629788787] [2025-02-06 04:28:46,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:28:46,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:28:46,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 04:28:46,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 04:28:46,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:28:46,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:28:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 04:28:46,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:28:46,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629788787] [2025-02-06 04:28:46,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629788787] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:28:46,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:28:46,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 04:28:46,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578842070] [2025-02-06 04:28:46,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:28:46,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 04:28:46,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:28:46,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 04:28:46,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 04:28:46,384 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 41 [2025-02-06 04:28:46,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 91 flow. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:28:46,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 04:28:46,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 41 [2025-02-06 04:28:46,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 04:28:46,517 INFO L124 PetriNetUnfolderBase]: 52/194 cut-off events. [2025-02-06 04:28:46,517 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-02-06 04:28:46,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 194 events. 52/194 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 802 event pairs, 12 based on Foata normal form. 11/202 useless extension candidates. Maximal degree in co-relation 355. Up to 106 conditions per place. [2025-02-06 04:28:46,519 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 20 selfloop transitions, 5 changer transitions 1/42 dead transitions. [2025-02-06 04:28:46,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 42 transitions, 153 flow [2025-02-06 04:28:46,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 04:28:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 04:28:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 100 transitions. [2025-02-06 04:28:46,520 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6097560975609756 [2025-02-06 04:28:46,520 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 91 flow. Second operand 4 states and 100 transitions. [2025-02-06 04:28:46,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 42 transitions, 153 flow [2025-02-06 04:28:46,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 42 transitions, 143 flow, removed 2 selfloop flow, removed 4 redundant places. [2025-02-06 04:28:46,522 INFO L231 Difference]: Finished difference. Result has 43 places, 37 transitions, 91 flow [2025-02-06 04:28:46,522 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=91, PETRI_PLACES=43, PETRI_TRANSITIONS=37} [2025-02-06 04:28:46,523 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 3 predicate places. [2025-02-06 04:28:46,523 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 37 transitions, 91 flow [2025-02-06 04:28:46,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:28:46,523 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 04:28:46,524 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:28:46,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 04:28:46,524 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-02-06 04:28:46,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:28:46,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1831913957, now seen corresponding path program 2 times [2025-02-06 04:28:46,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:28:46,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541127614] [2025-02-06 04:28:46,525 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 04:28:46,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:28:46,535 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 20 statements into 1 equivalence classes. [2025-02-06 04:28:46,545 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 04:28:46,545 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 04:28:46,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:28:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 04:28:46,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:28:46,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541127614] [2025-02-06 04:28:46,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541127614] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:28:46,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:28:46,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 04:28:46,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016962060] [2025-02-06 04:28:46,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:28:46,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 04:28:46,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:28:46,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 04:28:46,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 04:28:46,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 41 [2025-02-06 04:28:46,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 37 transitions, 91 flow. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:28:46,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 04:28:46,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 41 [2025-02-06 04:28:46,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 04:28:46,851 INFO L124 PetriNetUnfolderBase]: 38/155 cut-off events. [2025-02-06 04:28:46,851 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-02-06 04:28:46,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 155 events. 38/155 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 559 event pairs, 15 based on Foata normal form. 10/152 useless extension candidates. Maximal degree in co-relation 272. Up to 57 conditions per place. [2025-02-06 04:28:46,852 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 10 selfloop transitions, 4 changer transitions 19/44 dead transitions. [2025-02-06 04:28:46,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 165 flow [2025-02-06 04:28:46,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 04:28:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 04:28:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2025-02-06 04:28:46,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6280487804878049 [2025-02-06 04:28:46,859 INFO L175 Difference]: Start difference. First operand has 43 places, 37 transitions, 91 flow. Second operand 4 states and 103 transitions. [2025-02-06 04:28:46,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 165 flow [2025-02-06 04:28:46,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 44 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 04:28:46,860 INFO L231 Difference]: Finished difference. Result has 44 places, 23 transitions, 62 flow [2025-02-06 04:28:46,860 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=62, PETRI_PLACES=44, PETRI_TRANSITIONS=23} [2025-02-06 04:28:46,863 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 4 predicate places. [2025-02-06 04:28:46,863 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 23 transitions, 62 flow [2025-02-06 04:28:46,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:28:46,864 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 04:28:46,864 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:28:46,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 04:28:46,864 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-02-06 04:28:46,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:28:46,865 INFO L85 PathProgramCache]: Analyzing trace with hash 95394056, now seen corresponding path program 1 times [2025-02-06 04:28:46,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:28:46,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912949354] [2025-02-06 04:28:46,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:28:46,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:28:46,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 04:28:46,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 04:28:46,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:28:46,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:28:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 04:28:47,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:28:47,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912949354] [2025-02-06 04:28:47,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912949354] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:28:47,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:28:47,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 04:28:47,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207601064] [2025-02-06 04:28:47,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:28:47,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 04:28:47,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:28:47,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 04:28:47,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 04:28:47,056 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 41 [2025-02-06 04:28:47,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 23 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:28:47,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 04:28:47,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 41 [2025-02-06 04:28:47,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 04:28:47,094 INFO L124 PetriNetUnfolderBase]: 8/45 cut-off events. [2025-02-06 04:28:47,095 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-02-06 04:28:47,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 45 events. 8/45 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 106 event pairs, 2 based on Foata normal form. 6/47 useless extension candidates. Maximal degree in co-relation 77. Up to 19 conditions per place. [2025-02-06 04:28:47,096 INFO L140 encePairwiseOnDemand]: 37/41 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2025-02-06 04:28:47,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 85 flow [2025-02-06 04:28:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 04:28:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 04:28:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2025-02-06 04:28:47,098 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5304878048780488 [2025-02-06 04:28:47,098 INFO L175 Difference]: Start difference. First operand has 44 places, 23 transitions, 62 flow. Second operand 4 states and 87 transitions. [2025-02-06 04:28:47,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 85 flow [2025-02-06 04:28:47,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 22 transitions, 76 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 04:28:47,099 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2025-02-06 04:28:47,099 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0} [2025-02-06 04:28:47,100 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -13 predicate places. [2025-02-06 04:28:47,100 INFO L471 AbstractCegarLoop]: Abstraction has has 27 places, 0 transitions, 0 flow [2025-02-06 04:28:47,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:28:47,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2025-02-06 04:28:47,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-02-06 04:28:47,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 04:28:47,103 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2025-02-06 04:28:47,106 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 04:28:47,107 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 04:28:47,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 04:28:47 BasicIcfg [2025-02-06 04:28:47,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 04:28:47,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 04:28:47,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 04:28:47,112 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 04:28:47,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:28:45" (3/4) ... [2025-02-06 04:28:47,115 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 04:28:47,118 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-06 04:28:47,121 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2025-02-06 04:28:47,122 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-06 04:28:47,122 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-06 04:28:47,122 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 04:28:47,186 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 04:28:47,186 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 04:28:47,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 04:28:47,187 INFO L158 Benchmark]: Toolchain (without parser) took 2966.72ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.9MB in the end (delta: 13.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2025-02-06 04:28:47,188 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 201.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 04:28:47,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.84ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 86.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 04:28:47,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.75ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 84.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 04:28:47,188 INFO L158 Benchmark]: Boogie Preprocessor took 47.73ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 04:28:47,189 INFO L158 Benchmark]: IcfgBuilder took 471.98ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 53.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 04:28:47,189 INFO L158 Benchmark]: TraceAbstraction took 1850.60ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 97.8MB in the end (delta: -44.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 04:28:47,189 INFO L158 Benchmark]: Witness Printer took 74.79ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 92.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 04:28:47,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 201.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.84ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 86.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.75ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 84.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.73ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 471.98ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 53.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1850.60ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 97.8MB in the end (delta: -44.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.79ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 92.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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 with 1 thread instances CFG has 3 procedures, 59 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 2 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=1, InterpolantAutomatonStates: 17, 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, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 04:28:47,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE