./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 48c9605d 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:27:15,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:27:15,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:27:15,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:27:15,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:27:15,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:27:15,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:27:15,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:27:15,089 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:27:15,090 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:27:15,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:27:15,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:27:15,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:27:15,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:27:15,090 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:27:15,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:27:15,090 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:27:15,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:27:15,091 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:27:15,092 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:27:15,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:27:15,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:27:15,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:27:15,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:27:15,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:27:15,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:27:15,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:27:15,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:27:15,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:27:15,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:27:15,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:27:15,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:27:15,093 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 [2025-02-08 08:27:15,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:27:15,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:27:15,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:27:15,278 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:27:15,278 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:27:15,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2025-02-08 08:27:16,356 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42d08eeee/9d5c920c61d74337bebb1ff0169efadb/FLAG5f06d94bf [2025-02-08 08:27:16,650 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:27:16,651 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2025-02-08 08:27:16,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42d08eeee/9d5c920c61d74337bebb1ff0169efadb/FLAG5f06d94bf [2025-02-08 08:27:16,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42d08eeee/9d5c920c61d74337bebb1ff0169efadb [2025-02-08 08:27:16,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:27:16,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:27:16,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:27:16,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:27:16,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:27:16,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:27:16" (1/1) ... [2025-02-08 08:27:16,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ba26d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:16, skipping insertion in model container [2025-02-08 08:27:16,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:27:16" (1/1) ... [2025-02-08 08:27:16,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:27:17,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:27:17,205 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:27:17,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:27:17,260 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:27:17,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17 WrapperNode [2025-02-08 08:27:17,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:27:17,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:27:17,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:27:17,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:27:17,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,283 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2025-02-08 08:27:17,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:27:17,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:27:17,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:27:17,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:27:17,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,296 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 08:27:17,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:27:17,303 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:27:17,303 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:27:17,303 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:27:17,303 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (1/1) ... [2025-02-08 08:27:17,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:27:17,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:27:17,330 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) [2025-02-08 08:27:17,334 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 [2025-02-08 08:27:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 08:27:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:27:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-08 08:27:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-08 08:27:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-08 08:27:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-08 08:27:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-08 08:27:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-08 08:27:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:27:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 08:27:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:27:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:27:17,355 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:27:17,448 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:27:17,450 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:27:17,549 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:27:17,549 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:27:17,601 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:27:17,602 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:27:17,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:27:17 BoogieIcfgContainer [2025-02-08 08:27:17,602 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:27:17,604 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:27:17,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:27:17,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:27:17,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:27:16" (1/3) ... [2025-02-08 08:27:17,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d336560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:27:17, skipping insertion in model container [2025-02-08 08:27:17,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:27:17" (2/3) ... [2025-02-08 08:27:17,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d336560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:27:17, skipping insertion in model container [2025-02-08 08:27:17,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:27:17" (3/3) ... [2025-02-08 08:27:17,608 INFO L128 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2025-02-08 08:27:17,618 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:27:17,619 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i that has 4 procedures, 45 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 08:27:17,619 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:27:17,655 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:27:17,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 46 transitions, 104 flow [2025-02-08 08:27:17,695 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2025-02-08 08:27:17,697 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:27:17,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 43 events. 2/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2025-02-08 08:27:17,699 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 46 transitions, 104 flow [2025-02-08 08:27:17,701 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2025-02-08 08:27:17,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:27:17,717 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=None, 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;@49b34bb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:27:17,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-08 08:27:17,734 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:27:17,736 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2025-02-08 08:27:17,736 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:27:17,736 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:17,736 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:27:17,738 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:17,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:17,743 INFO L85 PathProgramCache]: Analyzing trace with hash 157156401, now seen corresponding path program 1 times [2025-02-08 08:27:17,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:17,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056805781] [2025-02-08 08:27:17,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:27:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:17,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:27:17,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:27:17,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:27:17,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:17,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056805781] [2025-02-08 08:27:17,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056805781] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:17,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:17,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:27:17,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120250134] [2025-02-08 08:27:17,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:17,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:27:17,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:17,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:27:17,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:27:17,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 46 [2025-02-08 08:27:17,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2025-02-08 08:27:17,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:17,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 46 [2025-02-08 08:27:17,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:19,041 INFO L124 PetriNetUnfolderBase]: 7776/11818 cut-off events. [2025-02-08 08:27:19,042 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2025-02-08 08:27:19,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22913 conditions, 11818 events. 7776/11818 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 71429 event pairs, 7776 based on Foata normal form. 980/12738 useless extension candidates. Maximal degree in co-relation 22902. Up to 10976 conditions per place. [2025-02-08 08:27:19,104 INFO L140 encePairwiseOnDemand]: 42/46 looper letters, 30 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2025-02-08 08:27:19,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 149 flow [2025-02-08 08:27:19,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:27:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:27:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2025-02-08 08:27:19,114 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4492753623188406 [2025-02-08 08:27:19,116 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 62 transitions. [2025-02-08 08:27:19,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 149 flow [2025-02-08 08:27:19,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 146 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-08 08:27:19,122 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2025-02-08 08:27:19,125 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2025-02-08 08:27:19,128 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2025-02-08 08:27:19,128 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2025-02-08 08:27:19,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2025-02-08 08:27:19,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:19,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:27:19,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:27:19,129 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:19,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:19,130 INFO L85 PathProgramCache]: Analyzing trace with hash 157157899, now seen corresponding path program 1 times [2025-02-08 08:27:19,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:19,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186811191] [2025-02-08 08:27:19,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:27:19,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:19,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:27:19,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:27:19,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:27:19,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:19,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:19,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186811191] [2025-02-08 08:27:19,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186811191] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:19,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:19,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:27:19,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244866594] [2025-02-08 08:27:19,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:19,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:27:19,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:19,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:27:19,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:27:19,390 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 46 [2025-02-08 08:27:19,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2025-02-08 08:27:19,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:19,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 46 [2025-02-08 08:27:19,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:20,746 INFO L124 PetriNetUnfolderBase]: 17496/25481 cut-off events. [2025-02-08 08:27:20,746 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:27:20,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50536 conditions, 25481 events. 17496/25481 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 856. Compared 161772 event pairs, 3999 based on Foata normal form. 0/24907 useless extension candidates. Maximal degree in co-relation 50530. Up to 8654 conditions per place. [2025-02-08 08:27:20,931 INFO L140 encePairwiseOnDemand]: 36/46 looper letters, 52 selfloop transitions, 6 changer transitions 111/174 dead transitions. [2025-02-08 08:27:20,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 174 transitions, 698 flow [2025-02-08 08:27:20,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 08:27:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-08 08:27:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 252 transitions. [2025-02-08 08:27:20,934 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6086956521739131 [2025-02-08 08:27:20,934 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 9 states and 252 transitions. [2025-02-08 08:27:20,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 174 transitions, 698 flow [2025-02-08 08:27:20,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 174 transitions, 697 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 08:27:20,942 INFO L231 Difference]: Finished difference. Result has 61 places, 40 transitions, 153 flow [2025-02-08 08:27:20,942 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=153, PETRI_PLACES=61, PETRI_TRANSITIONS=40} [2025-02-08 08:27:20,944 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 11 predicate places. [2025-02-08 08:27:20,944 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 40 transitions, 153 flow [2025-02-08 08:27:20,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2025-02-08 08:27:20,944 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:20,944 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:27:20,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:27:20,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:20,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:20,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1980275542, now seen corresponding path program 1 times [2025-02-08 08:27:20,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:20,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780828950] [2025-02-08 08:27:20,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:27:20,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:20,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:27:20,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:27:20,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:27:20,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:21,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:21,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780828950] [2025-02-08 08:27:21,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780828950] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:21,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:21,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:27:21,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214480857] [2025-02-08 08:27:21,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:21,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:27:21,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:21,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:27:21,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:27:21,106 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 46 [2025-02-08 08:27:21,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 40 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2025-02-08 08:27:21,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:21,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 46 [2025-02-08 08:27:21,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:22,092 INFO L124 PetriNetUnfolderBase]: 11558/16979 cut-off events. [2025-02-08 08:27:22,092 INFO L125 PetriNetUnfolderBase]: For 16879/16885 co-relation queries the response was YES. [2025-02-08 08:27:22,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44176 conditions, 16979 events. 11558/16979 cut-off events. For 16879/16885 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 99745 event pairs, 3400 based on Foata normal form. 514/17482 useless extension candidates. Maximal degree in co-relation 44161. Up to 4593 conditions per place. [2025-02-08 08:27:22,145 INFO L140 encePairwiseOnDemand]: 38/46 looper letters, 60 selfloop transitions, 6 changer transitions 97/168 dead transitions. [2025-02-08 08:27:22,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 168 transitions, 913 flow [2025-02-08 08:27:22,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 08:27:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-08 08:27:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 244 transitions. [2025-02-08 08:27:22,147 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5304347826086957 [2025-02-08 08:27:22,147 INFO L175 Difference]: Start difference. First operand has 61 places, 40 transitions, 153 flow. Second operand 10 states and 244 transitions. [2025-02-08 08:27:22,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 168 transitions, 913 flow [2025-02-08 08:27:22,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 168 transitions, 839 flow, removed 16 selfloop flow, removed 4 redundant places. [2025-02-08 08:27:22,189 INFO L231 Difference]: Finished difference. Result has 68 places, 42 transitions, 187 flow [2025-02-08 08:27:22,189 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=187, PETRI_PLACES=68, PETRI_TRANSITIONS=42} [2025-02-08 08:27:22,189 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 18 predicate places. [2025-02-08 08:27:22,189 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 42 transitions, 187 flow [2025-02-08 08:27:22,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2025-02-08 08:27:22,190 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:22,190 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] [2025-02-08 08:27:22,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:27:22,190 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:22,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:22,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1825640356, now seen corresponding path program 1 times [2025-02-08 08:27:22,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:22,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685023686] [2025-02-08 08:27:22,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:27:22,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:22,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 08:27:22,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 08:27:22,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:27:22,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:22,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:22,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685023686] [2025-02-08 08:27:22,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685023686] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:22,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:22,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:27:22,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767710960] [2025-02-08 08:27:22,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:22,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:27:22,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:22,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:27:22,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:27:22,266 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2025-02-08 08:27:22,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 42 transitions, 187 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2025-02-08 08:27:22,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:22,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2025-02-08 08:27:22,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:22,766 INFO L124 PetriNetUnfolderBase]: 7929/12134 cut-off events. [2025-02-08 08:27:22,766 INFO L125 PetriNetUnfolderBase]: For 15458/15464 co-relation queries the response was YES. [2025-02-08 08:27:22,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31929 conditions, 12134 events. 7929/12134 cut-off events. For 15458/15464 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 72726 event pairs, 1582 based on Foata normal form. 619/12742 useless extension candidates. Maximal degree in co-relation 31907. Up to 5814 conditions per place. [2025-02-08 08:27:22,811 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 78 selfloop transitions, 5 changer transitions 5/93 dead transitions. [2025-02-08 08:27:22,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 93 transitions, 601 flow [2025-02-08 08:27:22,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:27:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 08:27:22,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2025-02-08 08:27:22,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6086956521739131 [2025-02-08 08:27:22,812 INFO L175 Difference]: Start difference. First operand has 68 places, 42 transitions, 187 flow. Second operand 4 states and 112 transitions. [2025-02-08 08:27:22,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 93 transitions, 601 flow [2025-02-08 08:27:22,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 93 transitions, 578 flow, removed 8 selfloop flow, removed 5 redundant places. [2025-02-08 08:27:22,857 INFO L231 Difference]: Finished difference. Result has 62 places, 45 transitions, 202 flow [2025-02-08 08:27:22,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=202, PETRI_PLACES=62, PETRI_TRANSITIONS=45} [2025-02-08 08:27:22,858 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 12 predicate places. [2025-02-08 08:27:22,858 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 45 transitions, 202 flow [2025-02-08 08:27:22,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2025-02-08 08:27:22,858 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:22,858 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, 1, 1] [2025-02-08 08:27:22,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:27:22,858 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:22,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:22,859 INFO L85 PathProgramCache]: Analyzing trace with hash -165329235, now seen corresponding path program 1 times [2025-02-08 08:27:22,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:22,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548509400] [2025-02-08 08:27:22,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:27:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:22,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 08:27:22,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 08:27:22,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:27:22,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:22,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:22,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:22,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548509400] [2025-02-08 08:27:22,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548509400] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:22,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:22,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:27:22,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797371959] [2025-02-08 08:27:22,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:22,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:27:22,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:22,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:27:22,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:27:22,932 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2025-02-08 08:27:22,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 45 transitions, 202 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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) [2025-02-08 08:27:22,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:22,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2025-02-08 08:27:22,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:23,412 INFO L124 PetriNetUnfolderBase]: 4693/7227 cut-off events. [2025-02-08 08:27:23,412 INFO L125 PetriNetUnfolderBase]: For 7197/7203 co-relation queries the response was YES. [2025-02-08 08:27:23,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20388 conditions, 7227 events. 4693/7227 cut-off events. For 7197/7203 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 39563 event pairs, 957 based on Foata normal form. 406/7622 useless extension candidates. Maximal degree in co-relation 20367. Up to 2691 conditions per place. [2025-02-08 08:27:23,435 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 84 selfloop transitions, 8 changer transitions 19/116 dead transitions. [2025-02-08 08:27:23,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 116 transitions, 755 flow [2025-02-08 08:27:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:27:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 08:27:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 143 transitions. [2025-02-08 08:27:23,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6217391304347826 [2025-02-08 08:27:23,437 INFO L175 Difference]: Start difference. First operand has 62 places, 45 transitions, 202 flow. Second operand 5 states and 143 transitions. [2025-02-08 08:27:23,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 116 transitions, 755 flow [2025-02-08 08:27:23,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 116 transitions, 689 flow, removed 29 selfloop flow, removed 6 redundant places. [2025-02-08 08:27:23,451 INFO L231 Difference]: Finished difference. Result has 62 places, 48 transitions, 226 flow [2025-02-08 08:27:23,451 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=226, PETRI_PLACES=62, PETRI_TRANSITIONS=48} [2025-02-08 08:27:23,453 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 12 predicate places. [2025-02-08 08:27:23,453 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 48 transitions, 226 flow [2025-02-08 08:27:23,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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) [2025-02-08 08:27:23,454 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:23,454 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, 1, 1, 1, 1, 1, 1] [2025-02-08 08:27:23,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:27:23,454 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:23,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:23,455 INFO L85 PathProgramCache]: Analyzing trace with hash 757674347, now seen corresponding path program 1 times [2025-02-08 08:27:23,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:23,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434901122] [2025-02-08 08:27:23,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:27:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:23,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 08:27:23,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 08:27:23,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:27:23,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:23,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:23,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434901122] [2025-02-08 08:27:23,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434901122] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:23,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:23,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 08:27:23,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349689723] [2025-02-08 08:27:23,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:23,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 08:27:23,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:23,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 08:27:23,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:27:23,562 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 46 [2025-02-08 08:27:23,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 48 transitions, 226 flow. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2025-02-08 08:27:23,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:23,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 46 [2025-02-08 08:27:23,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:24,385 INFO L124 PetriNetUnfolderBase]: 7518/11649 cut-off events. [2025-02-08 08:27:24,385 INFO L125 PetriNetUnfolderBase]: For 10952/10952 co-relation queries the response was YES. [2025-02-08 08:27:24,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32803 conditions, 11649 events. 7518/11649 cut-off events. For 10952/10952 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 69504 event pairs, 1996 based on Foata normal form. 60/11705 useless extension candidates. Maximal degree in co-relation 32784. Up to 2918 conditions per place. [2025-02-08 08:27:24,422 INFO L140 encePairwiseOnDemand]: 37/46 looper letters, 101 selfloop transitions, 10 changer transitions 65/181 dead transitions. [2025-02-08 08:27:24,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 181 transitions, 1173 flow [2025-02-08 08:27:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:27:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:27:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 216 transitions. [2025-02-08 08:27:24,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5869565217391305 [2025-02-08 08:27:24,424 INFO L175 Difference]: Start difference. First operand has 62 places, 48 transitions, 226 flow. Second operand 8 states and 216 transitions. [2025-02-08 08:27:24,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 181 transitions, 1173 flow [2025-02-08 08:27:24,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 181 transitions, 1071 flow, removed 20 selfloop flow, removed 4 redundant places. [2025-02-08 08:27:24,464 INFO L231 Difference]: Finished difference. Result has 69 places, 50 transitions, 251 flow [2025-02-08 08:27:24,464 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=251, PETRI_PLACES=69, PETRI_TRANSITIONS=50} [2025-02-08 08:27:24,465 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 19 predicate places. [2025-02-08 08:27:24,465 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 50 transitions, 251 flow [2025-02-08 08:27:24,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2025-02-08 08:27:24,465 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:24,465 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, 1, 1, 1, 1, 1, 1] [2025-02-08 08:27:24,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:27:24,465 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:24,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:24,466 INFO L85 PathProgramCache]: Analyzing trace with hash 465062857, now seen corresponding path program 2 times [2025-02-08 08:27:24,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:24,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531459649] [2025-02-08 08:27:24,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:27:24,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:24,472 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 1 equivalence classes. [2025-02-08 08:27:24,476 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 08:27:24,476 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:27:24,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:24,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:24,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531459649] [2025-02-08 08:27:24,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531459649] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:24,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:24,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:27:24,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512753342] [2025-02-08 08:27:24,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:24,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:27:24,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:24,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:27:24,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:27:24,576 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 46 [2025-02-08 08:27:24,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 50 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2025-02-08 08:27:24,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:24,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 46 [2025-02-08 08:27:24,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:25,109 INFO L124 PetriNetUnfolderBase]: 5422/8437 cut-off events. [2025-02-08 08:27:25,109 INFO L125 PetriNetUnfolderBase]: For 7628/7628 co-relation queries the response was YES. [2025-02-08 08:27:25,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23288 conditions, 8437 events. 5422/8437 cut-off events. For 7628/7628 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 48226 event pairs, 1138 based on Foata normal form. 60/8493 useless extension candidates. Maximal degree in co-relation 23266. Up to 3426 conditions per place. [2025-02-08 08:27:25,138 INFO L140 encePairwiseOnDemand]: 38/46 looper letters, 68 selfloop transitions, 5 changer transitions 52/130 dead transitions. [2025-02-08 08:27:25,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 130 transitions, 807 flow [2025-02-08 08:27:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:27:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:27:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2025-02-08 08:27:25,139 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.572463768115942 [2025-02-08 08:27:25,139 INFO L175 Difference]: Start difference. First operand has 69 places, 50 transitions, 251 flow. Second operand 6 states and 158 transitions. [2025-02-08 08:27:25,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 130 transitions, 807 flow [2025-02-08 08:27:25,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 130 transitions, 791 flow, removed 8 selfloop flow, removed 3 redundant places. [2025-02-08 08:27:25,380 INFO L231 Difference]: Finished difference. Result has 71 places, 44 transitions, 213 flow [2025-02-08 08:27:25,380 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=213, PETRI_PLACES=71, PETRI_TRANSITIONS=44} [2025-02-08 08:27:25,381 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 21 predicate places. [2025-02-08 08:27:25,381 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 44 transitions, 213 flow [2025-02-08 08:27:25,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2025-02-08 08:27:25,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:25,381 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, 1, 1, 1, 1, 1, 1] [2025-02-08 08:27:25,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 08:27:25,382 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:25,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:25,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1756521387, now seen corresponding path program 3 times [2025-02-08 08:27:25,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:25,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362803197] [2025-02-08 08:27:25,382 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:27:25,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:25,387 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 1 equivalence classes. [2025-02-08 08:27:25,390 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 08:27:25,390 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 08:27:25,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:25,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:25,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:25,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362803197] [2025-02-08 08:27:25,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362803197] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:25,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:25,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:27:25,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472238071] [2025-02-08 08:27:25,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:25,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:27:25,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:25,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:27:25,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:27:25,461 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2025-02-08 08:27:25,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 44 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:27:25,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:25,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2025-02-08 08:27:25,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:25,625 INFO L124 PetriNetUnfolderBase]: 1468/2299 cut-off events. [2025-02-08 08:27:25,626 INFO L125 PetriNetUnfolderBase]: For 3548/3548 co-relation queries the response was YES. [2025-02-08 08:27:25,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6576 conditions, 2299 events. 1468/2299 cut-off events. For 3548/3548 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 10291 event pairs, 280 based on Foata normal form. 96/2392 useless extension candidates. Maximal degree in co-relation 6552. Up to 788 conditions per place. [2025-02-08 08:27:25,635 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 63 selfloop transitions, 11 changer transitions 4/83 dead transitions. [2025-02-08 08:27:25,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 83 transitions, 544 flow [2025-02-08 08:27:25,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:27:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:27:25,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 135 transitions. [2025-02-08 08:27:25,637 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4891304347826087 [2025-02-08 08:27:25,637 INFO L175 Difference]: Start difference. First operand has 71 places, 44 transitions, 213 flow. Second operand 6 states and 135 transitions. [2025-02-08 08:27:25,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 83 transitions, 544 flow [2025-02-08 08:27:25,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 83 transitions, 443 flow, removed 16 selfloop flow, removed 14 redundant places. [2025-02-08 08:27:25,641 INFO L231 Difference]: Finished difference. Result has 62 places, 44 transitions, 200 flow [2025-02-08 08:27:25,641 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=200, PETRI_PLACES=62, PETRI_TRANSITIONS=44} [2025-02-08 08:27:25,641 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 12 predicate places. [2025-02-08 08:27:25,642 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 44 transitions, 200 flow [2025-02-08 08:27:25,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:27:25,642 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:25,642 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:27:25,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 08:27:25,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:25,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:25,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1417246626, now seen corresponding path program 1 times [2025-02-08 08:27:25,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:25,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540681804] [2025-02-08 08:27:25,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:27:25,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:25,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 08:27:25,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 08:27:25,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:27:25,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:25,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:25,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540681804] [2025-02-08 08:27:25,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540681804] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:25,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:25,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 08:27:25,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168520029] [2025-02-08 08:27:25,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:25,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 08:27:25,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:25,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 08:27:25,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:27:25,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 46 [2025-02-08 08:27:25,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 44 transitions, 200 flow. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 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) [2025-02-08 08:27:25,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:25,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 46 [2025-02-08 08:27:25,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:26,066 INFO L124 PetriNetUnfolderBase]: 1796/2811 cut-off events. [2025-02-08 08:27:26,067 INFO L125 PetriNetUnfolderBase]: For 3188/3188 co-relation queries the response was YES. [2025-02-08 08:27:26,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7906 conditions, 2811 events. 1796/2811 cut-off events. For 3188/3188 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 13019 event pairs, 242 based on Foata normal form. 8/2816 useless extension candidates. Maximal degree in co-relation 7892. Up to 1149 conditions per place. [2025-02-08 08:27:26,073 INFO L140 encePairwiseOnDemand]: 38/46 looper letters, 57 selfloop transitions, 5 changer transitions 52/119 dead transitions. [2025-02-08 08:27:26,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 119 transitions, 784 flow [2025-02-08 08:27:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:27:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:27:26,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 165 transitions. [2025-02-08 08:27:26,074 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4483695652173913 [2025-02-08 08:27:26,074 INFO L175 Difference]: Start difference. First operand has 62 places, 44 transitions, 200 flow. Second operand 8 states and 165 transitions. [2025-02-08 08:27:26,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 119 transitions, 784 flow [2025-02-08 08:27:26,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 119 transitions, 590 flow, removed 30 selfloop flow, removed 8 redundant places. [2025-02-08 08:27:26,081 INFO L231 Difference]: Finished difference. Result has 65 places, 44 transitions, 164 flow [2025-02-08 08:27:26,081 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=164, PETRI_PLACES=65, PETRI_TRANSITIONS=44} [2025-02-08 08:27:26,081 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 15 predicate places. [2025-02-08 08:27:26,081 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 44 transitions, 164 flow [2025-02-08 08:27:26,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 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) [2025-02-08 08:27:26,082 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:27:26,082 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:27:26,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 08:27:26,082 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:27:26,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:27:26,082 INFO L85 PathProgramCache]: Analyzing trace with hash -518780816, now seen corresponding path program 2 times [2025-02-08 08:27:26,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:27:26,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268678130] [2025-02-08 08:27:26,082 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:27:26,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:27:26,086 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 1 equivalence classes. [2025-02-08 08:27:26,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 08:27:26,090 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:27:26,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:27:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:27:26,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:27:26,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268678130] [2025-02-08 08:27:26,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268678130] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:27:26,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:27:26,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:27:26,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797844224] [2025-02-08 08:27:26,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:27:26,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:27:26,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:27:26,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:27:26,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:27:26,184 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 46 [2025-02-08 08:27:26,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 44 transitions, 164 flow. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2025-02-08 08:27:26,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:27:26,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 46 [2025-02-08 08:27:26,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:27:26,504 INFO L124 PetriNetUnfolderBase]: 1664/2590 cut-off events. [2025-02-08 08:27:26,504 INFO L125 PetriNetUnfolderBase]: For 1442/1442 co-relation queries the response was YES. [2025-02-08 08:27:26,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6479 conditions, 2590 events. 1664/2590 cut-off events. For 1442/1442 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 11982 event pairs, 374 based on Foata normal form. 8/2596 useless extension candidates. Maximal degree in co-relation 6471. Up to 1318 conditions per place. [2025-02-08 08:27:26,508 INFO L140 encePairwiseOnDemand]: 41/46 looper letters, 0 selfloop transitions, 0 changer transitions 85/85 dead transitions. [2025-02-08 08:27:26,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 85 transitions, 463 flow [2025-02-08 08:27:26,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:27:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:27:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 121 transitions. [2025-02-08 08:27:26,509 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4384057971014493 [2025-02-08 08:27:26,509 INFO L175 Difference]: Start difference. First operand has 65 places, 44 transitions, 164 flow. Second operand 6 states and 121 transitions. [2025-02-08 08:27:26,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 85 transitions, 463 flow [2025-02-08 08:27:26,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 85 transitions, 439 flow, removed 4 selfloop flow, removed 5 redundant places. [2025-02-08 08:27:26,511 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2025-02-08 08:27:26,511 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2025-02-08 08:27:26,511 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 8 predicate places. [2025-02-08 08:27:26,511 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2025-02-08 08:27:26,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2025-02-08 08:27:26,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2025-02-08 08:27:26,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2025-02-08 08:27:26,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-08 08:27:26,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-02-08 08:27:26,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-02-08 08:27:26,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 08:27:26,516 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2025-02-08 08:27:26,518 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 08:27:26,519 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:27:26,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:27:26 BasicIcfg [2025-02-08 08:27:26,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:27:26,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:27:26,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:27:26,526 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:27:26,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:27:17" (3/4) ... [2025-02-08 08:27:26,528 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:27:26,530 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-02-08 08:27:26,530 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-02-08 08:27:26,530 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-02-08 08:27:26,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2025-02-08 08:27:26,534 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-08 08:27:26,534 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-08 08:27:26,534 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 08:27:26,581 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:27:26,582 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:27:26,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:27:26,584 INFO L158 Benchmark]: Toolchain (without parser) took 9653.67ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 112.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 496.6MB. Max. memory is 16.1GB. [2025-02-08 08:27:26,585 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:27:26,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.16ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 92.6MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 08:27:26,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.27ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 91.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:27:26,585 INFO L158 Benchmark]: Boogie Preprocessor took 18.35ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:27:26,585 INFO L158 Benchmark]: IcfgBuilder took 299.68ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 68.1MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 08:27:26,585 INFO L158 Benchmark]: TraceAbstraction took 8921.42ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 67.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 446.3MB. Max. memory is 16.1GB. [2025-02-08 08:27:26,586 INFO L158 Benchmark]: Witness Printer took 58.36ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:27:26,587 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 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.16ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 92.6MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.27ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 91.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.35ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 299.68ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 68.1MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8921.42ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 67.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 446.3MB. Max. memory is 16.1GB. * Witness Printer took 58.36ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 782]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 72 locations, 5 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: 8.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 732 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 728 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2123 IncrementalHoareTripleChecker+Invalid, 2160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 2 mSDtfsCounter, 2123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=6, InterpolantAutomatonStates: 65, 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, 1.0s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 1066 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 08:27:26,601 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