./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.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/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.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 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:21:41,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:21:41,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:21:41,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:21:41,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:21:41,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:21:41,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:21:41,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:21:41,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:21:41,322 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:21:41,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:21:41,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:21:41,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:21:41,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:21:41,323 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:21:41,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:21:41,323 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:21:41,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:21:41,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:21:41,324 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:21:41,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:21:41,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:21:41,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:21:41,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:21:41,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:21:41,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:21:41,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:21:41,325 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 -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2025-02-08 08:21:41,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:21:41,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:21:41,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:21:41,538 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:21:41,539 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:21:41,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-02-08 08:21:42,637 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a972582c/d721c3cf2ca84b6d8f0cea15d0abc533/FLAG47d337610 [2025-02-08 08:21:42,958 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:21:42,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-02-08 08:21:42,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a972582c/d721c3cf2ca84b6d8f0cea15d0abc533/FLAG47d337610 [2025-02-08 08:21:43,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a972582c/d721c3cf2ca84b6d8f0cea15d0abc533 [2025-02-08 08:21:43,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:21:43,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:21:43,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:21:43,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:21:43,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:21:43,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd94ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43, skipping insertion in model container [2025-02-08 08:21:43,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:21:43,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:21:43,503 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:21:43,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:21:43,584 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:21:43,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43 WrapperNode [2025-02-08 08:21:43,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:21:43,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:21:43,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:21:43,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:21:43,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,619 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 153 [2025-02-08 08:21:43,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:21:43,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:21:43,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:21:43,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:21:43,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,628 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,638 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 08:21:43,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,643 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:21:43,653 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:21:43,653 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:21:43,653 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:21:43,654 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (1/1) ... [2025-02-08 08:21:43,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:21:43,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:21:43,682 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 08:21:43,684 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 08:21:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 08:21:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:21:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-08 08:21:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-08 08:21:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-08 08:21:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-08 08:21:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:21:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 08:21:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:21:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:21:43,704 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 08:21:43,807 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:21:43,809 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:21:44,122 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:21:44,122 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:21:44,314 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:21:44,314 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:21:44,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:21:44 BoogieIcfgContainer [2025-02-08 08:21:44,315 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:21:44,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:21:44,316 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:21:44,319 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:21:44,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:21:43" (1/3) ... [2025-02-08 08:21:44,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebca26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:21:44, skipping insertion in model container [2025-02-08 08:21:44,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:21:43" (2/3) ... [2025-02-08 08:21:44,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebca26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:21:44, skipping insertion in model container [2025-02-08 08:21:44,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:21:44" (3/3) ... [2025-02-08 08:21:44,322 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-02-08 08:21:44,332 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:21:44,333 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 3 procedures, 37 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-02-08 08:21:44,333 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:21:44,378 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:21:44,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow [2025-02-08 08:21:44,429 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2025-02-08 08:21:44,431 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:21:44,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 36 events. 2/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 65 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2025-02-08 08:21:44,434 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow [2025-02-08 08:21:44,438 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow [2025-02-08 08:21:44,443 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:21:44,453 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;@718ffe5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:21:44,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 08:21:44,458 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:21:44,458 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2025-02-08 08:21:44,458 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:21:44,458 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:44,459 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 08:21:44,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:44,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:44,464 INFO L85 PathProgramCache]: Analyzing trace with hash -281333149, now seen corresponding path program 1 times [2025-02-08 08:21:44,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:44,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995348667] [2025-02-08 08:21:44,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:44,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:44,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 08:21:44,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 08:21:44,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:44,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:44,877 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 08:21:44,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:44,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995348667] [2025-02-08 08:21:44,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995348667] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:44,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:44,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:21:44,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564095770] [2025-02-08 08:21:44,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:44,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:21:44,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:44,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:21:44,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:21:44,908 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-02-08 08:21:44,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 08:21:44,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:44,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-02-08 08:21:44,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:45,271 INFO L124 PetriNetUnfolderBase]: 927/1533 cut-off events. [2025-02-08 08:21:45,272 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-08 08:21:45,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3055 conditions, 1533 events. 927/1533 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 7400 event pairs, 66 based on Foata normal form. 112/1642 useless extension candidates. Maximal degree in co-relation 3045. Up to 1352 conditions per place. [2025-02-08 08:21:45,285 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 37 selfloop transitions, 2 changer transitions 2/47 dead transitions. [2025-02-08 08:21:45,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 47 transitions, 182 flow [2025-02-08 08:21:45,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:21:45,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:21:45,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2025-02-08 08:21:45,295 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6140350877192983 [2025-02-08 08:21:45,296 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 70 transitions. [2025-02-08 08:21:45,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 47 transitions, 182 flow [2025-02-08 08:21:45,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 47 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 08:21:45,302 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2025-02-08 08:21:45,304 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2025-02-08 08:21:45,307 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2025-02-08 08:21:45,308 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2025-02-08 08:21:45,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 08:21:45,309 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:45,309 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:21:45,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:21:45,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:45,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:45,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1943807847, now seen corresponding path program 1 times [2025-02-08 08:21:45,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:45,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893843926] [2025-02-08 08:21:45,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:45,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:45,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:21:45,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:21:45,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:45,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:45,386 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 08:21:45,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:45,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893843926] [2025-02-08 08:21:45,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893843926] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:45,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:45,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:21:45,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032958665] [2025-02-08 08:21:45,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:45,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:21:45,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:45,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:21:45,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:21:45,388 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2025-02-08 08:21:45,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 08:21:45,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:45,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2025-02-08 08:21:45,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:45,630 INFO L124 PetriNetUnfolderBase]: 830/1471 cut-off events. [2025-02-08 08:21:45,630 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2025-02-08 08:21:45,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2903 conditions, 1471 events. 830/1471 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7487 event pairs, 830 based on Foata normal form. 56/1517 useless extension candidates. Maximal degree in co-relation 2893. Up to 1349 conditions per place. [2025-02-08 08:21:45,637 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 23 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2025-02-08 08:21:45,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 118 flow [2025-02-08 08:21:45,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:21:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:21:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 47 transitions. [2025-02-08 08:21:45,639 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41228070175438597 [2025-02-08 08:21:45,639 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 47 transitions. [2025-02-08 08:21:45,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 118 flow [2025-02-08 08:21:45,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 08:21:45,640 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2025-02-08 08:21:45,640 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2025-02-08 08:21:45,641 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2025-02-08 08:21:45,641 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2025-02-08 08:21:45,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 08:21:45,641 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:45,641 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:21:45,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:21:45,642 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:45,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:45,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1943809381, now seen corresponding path program 1 times [2025-02-08 08:21:45,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:45,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267669401] [2025-02-08 08:21:45,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:45,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:45,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:21:45,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:21:45,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:45,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:45,957 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 08:21:45,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:45,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267669401] [2025-02-08 08:21:45,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267669401] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:45,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:45,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:21:45,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179759594] [2025-02-08 08:21:45,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:45,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:21:45,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:45,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:21:45,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:21:45,963 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2025-02-08 08:21:45,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 08:21:45,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:45,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2025-02-08 08:21:45,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:46,392 INFO L124 PetriNetUnfolderBase]: 930/1606 cut-off events. [2025-02-08 08:21:46,392 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:21:46,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3159 conditions, 1606 events. 930/1606 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7882 event pairs, 236 based on Foata normal form. 0/1568 useless extension candidates. Maximal degree in co-relation 3153. Up to 745 conditions per place. [2025-02-08 08:21:46,397 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 32 selfloop transitions, 2 changer transitions 54/92 dead transitions. [2025-02-08 08:21:46,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 92 transitions, 366 flow [2025-02-08 08:21:46,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:21:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:21:46,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 146 transitions. [2025-02-08 08:21:46,400 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48026315789473684 [2025-02-08 08:21:46,400 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 8 states and 146 transitions. [2025-02-08 08:21:46,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 92 transitions, 366 flow [2025-02-08 08:21:46,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 92 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 08:21:46,401 INFO L231 Difference]: Finished difference. Result has 47 places, 28 transitions, 77 flow [2025-02-08 08:21:46,401 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=77, PETRI_PLACES=47, PETRI_TRANSITIONS=28} [2025-02-08 08:21:46,402 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2025-02-08 08:21:46,402 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 28 transitions, 77 flow [2025-02-08 08:21:46,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 08:21:46,402 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:46,402 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 08:21:46,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:21:46,402 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:46,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:46,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1566433254, now seen corresponding path program 1 times [2025-02-08 08:21:46,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:46,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925121759] [2025-02-08 08:21:46,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:46,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:46,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:21:46,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:21:46,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:46,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:46,599 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 08:21:46,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:46,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925121759] [2025-02-08 08:21:46,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925121759] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:46,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:46,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:21:46,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223555614] [2025-02-08 08:21:46,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:46,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:21:46,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:46,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:21:46,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:21:46,603 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2025-02-08 08:21:46,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 28 transitions, 77 flow. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 08:21:46,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:46,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2025-02-08 08:21:46,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:46,887 INFO L124 PetriNetUnfolderBase]: 631/1099 cut-off events. [2025-02-08 08:21:46,887 INFO L125 PetriNetUnfolderBase]: For 245/245 co-relation queries the response was YES. [2025-02-08 08:21:46,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2436 conditions, 1099 events. 631/1099 cut-off events. For 245/245 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4990 event pairs, 211 based on Foata normal form. 35/1131 useless extension candidates. Maximal degree in co-relation 2424. Up to 598 conditions per place. [2025-02-08 08:21:46,892 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 35 selfloop transitions, 2 changer transitions 31/72 dead transitions. [2025-02-08 08:21:46,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 72 transitions, 316 flow [2025-02-08 08:21:46,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:21:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 08:21:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 119 transitions. [2025-02-08 08:21:46,894 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2025-02-08 08:21:46,895 INFO L175 Difference]: Start difference. First operand has 47 places, 28 transitions, 77 flow. Second operand 7 states and 119 transitions. [2025-02-08 08:21:46,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 72 transitions, 316 flow [2025-02-08 08:21:46,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 72 transitions, 294 flow, removed 8 selfloop flow, removed 6 redundant places. [2025-02-08 08:21:46,898 INFO L231 Difference]: Finished difference. Result has 46 places, 28 transitions, 81 flow [2025-02-08 08:21:46,899 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=81, PETRI_PLACES=46, PETRI_TRANSITIONS=28} [2025-02-08 08:21:46,899 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 5 predicate places. [2025-02-08 08:21:46,899 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 28 transitions, 81 flow [2025-02-08 08:21:46,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 08:21:46,899 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:46,899 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 08:21:46,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:21:46,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:46,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:46,900 INFO L85 PathProgramCache]: Analyzing trace with hash -611511650, now seen corresponding path program 1 times [2025-02-08 08:21:46,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:46,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502383986] [2025-02-08 08:21:46,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:46,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:46,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 08:21:46,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 08:21:46,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:46,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:48,016 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 08:21:48,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:48,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502383986] [2025-02-08 08:21:48,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502383986] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:48,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:48,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 08:21:48,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460151842] [2025-02-08 08:21:48,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:48,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:21:48,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:48,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:21:48,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:21:48,021 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2025-02-08 08:21:48,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 28 transitions, 81 flow. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 08:21:48,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:48,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2025-02-08 08:21:48,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:48,967 INFO L124 PetriNetUnfolderBase]: 913/1559 cut-off events. [2025-02-08 08:21:48,967 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2025-02-08 08:21:48,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3533 conditions, 1559 events. 913/1559 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7250 event pairs, 130 based on Foata normal form. 31/1587 useless extension candidates. Maximal degree in co-relation 3520. Up to 724 conditions per place. [2025-02-08 08:21:48,974 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 57 selfloop transitions, 13 changer transitions 41/115 dead transitions. [2025-02-08 08:21:48,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 115 transitions, 510 flow [2025-02-08 08:21:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 08:21:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-02-08 08:21:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 205 transitions. [2025-02-08 08:21:48,975 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4149797570850202 [2025-02-08 08:21:48,976 INFO L175 Difference]: Start difference. First operand has 46 places, 28 transitions, 81 flow. Second operand 13 states and 205 transitions. [2025-02-08 08:21:48,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 115 transitions, 510 flow [2025-02-08 08:21:48,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 115 transitions, 480 flow, removed 10 selfloop flow, removed 6 redundant places. [2025-02-08 08:21:48,982 INFO L231 Difference]: Finished difference. Result has 58 places, 39 transitions, 178 flow [2025-02-08 08:21:48,982 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=178, PETRI_PLACES=58, PETRI_TRANSITIONS=39} [2025-02-08 08:21:48,983 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 17 predicate places. [2025-02-08 08:21:48,984 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 39 transitions, 178 flow [2025-02-08 08:21:48,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 08:21:48,984 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:48,984 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] [2025-02-08 08:21:48,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:21:48,984 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:48,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash 942384701, now seen corresponding path program 1 times [2025-02-08 08:21:48,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:48,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529061609] [2025-02-08 08:21:48,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:48,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:48,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 08:21:49,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 08:21:49,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:49,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:49,415 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 08:21:49,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:49,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529061609] [2025-02-08 08:21:49,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529061609] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:49,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:49,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:21:49,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062646454] [2025-02-08 08:21:49,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:49,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:21:49,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:49,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:21:49,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:21:49,418 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2025-02-08 08:21:49,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 39 transitions, 178 flow. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 08:21:49,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:49,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2025-02-08 08:21:49,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:49,789 INFO L124 PetriNetUnfolderBase]: 1100/1884 cut-off events. [2025-02-08 08:21:49,790 INFO L125 PetriNetUnfolderBase]: For 1783/1783 co-relation queries the response was YES. [2025-02-08 08:21:49,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5671 conditions, 1884 events. 1100/1884 cut-off events. For 1783/1783 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 9456 event pairs, 392 based on Foata normal form. 16/1897 useless extension candidates. Maximal degree in co-relation 5652. Up to 1052 conditions per place. [2025-02-08 08:21:49,797 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 41 selfloop transitions, 7 changer transitions 32/84 dead transitions. [2025-02-08 08:21:49,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 84 transitions, 533 flow [2025-02-08 08:21:49,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:21:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:21:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 107 transitions. [2025-02-08 08:21:49,800 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4692982456140351 [2025-02-08 08:21:49,800 INFO L175 Difference]: Start difference. First operand has 58 places, 39 transitions, 178 flow. Second operand 6 states and 107 transitions. [2025-02-08 08:21:49,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 84 transitions, 533 flow [2025-02-08 08:21:49,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 84 transitions, 520 flow, removed 6 selfloop flow, removed 5 redundant places. [2025-02-08 08:21:49,807 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 237 flow [2025-02-08 08:21:49,807 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=237, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2025-02-08 08:21:49,809 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 15 predicate places. [2025-02-08 08:21:49,809 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 237 flow [2025-02-08 08:21:49,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 08:21:49,810 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:49,810 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] [2025-02-08 08:21:49,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:21:49,810 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:49,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:49,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1004657149, now seen corresponding path program 1 times [2025-02-08 08:21:49,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:49,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499510107] [2025-02-08 08:21:49,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:49,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:49,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 08:21:49,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 08:21:49,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:49,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:49,987 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 08:21:49,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:49,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499510107] [2025-02-08 08:21:49,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499510107] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:49,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:49,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:21:49,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676789078] [2025-02-08 08:21:49,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:49,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:21:49,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:49,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:21:49,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:21:49,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-02-08 08:21:49,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 237 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 08:21:49,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:49,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-02-08 08:21:49,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:50,166 INFO L124 PetriNetUnfolderBase]: 528/985 cut-off events. [2025-02-08 08:21:50,166 INFO L125 PetriNetUnfolderBase]: For 1094/1094 co-relation queries the response was YES. [2025-02-08 08:21:50,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2982 conditions, 985 events. 528/985 cut-off events. For 1094/1094 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4543 event pairs, 170 based on Foata normal form. 85/1067 useless extension candidates. Maximal degree in co-relation 2963. Up to 367 conditions per place. [2025-02-08 08:21:50,192 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 60 selfloop transitions, 4 changer transitions 1/69 dead transitions. [2025-02-08 08:21:50,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 69 transitions, 482 flow [2025-02-08 08:21:50,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:21:50,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 08:21:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 82 transitions. [2025-02-08 08:21:50,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5394736842105263 [2025-02-08 08:21:50,193 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 237 flow. Second operand 4 states and 82 transitions. [2025-02-08 08:21:50,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 69 transitions, 482 flow [2025-02-08 08:21:50,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 69 transitions, 456 flow, removed 7 selfloop flow, removed 5 redundant places. [2025-02-08 08:21:50,197 INFO L231 Difference]: Finished difference. Result has 53 places, 42 transitions, 212 flow [2025-02-08 08:21:50,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=212, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2025-02-08 08:21:50,197 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places. [2025-02-08 08:21:50,198 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 212 flow [2025-02-08 08:21:50,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 08:21:50,198 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:50,198 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 08:21:50,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 08:21:50,198 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:50,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:50,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1509606729, now seen corresponding path program 1 times [2025-02-08 08:21:50,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:50,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202936384] [2025-02-08 08:21:50,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:50,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:50,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 08:21:50,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 08:21:50,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:50,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:51,416 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 08:21:51,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:51,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202936384] [2025-02-08 08:21:51,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202936384] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:51,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:51,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 08:21:51,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251346687] [2025-02-08 08:21:51,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:51,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 08:21:51,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:51,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 08:21:51,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 08:21:51,420 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2025-02-08 08:21:51,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 42 transitions, 212 flow. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 08:21:51,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:51,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2025-02-08 08:21:51,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:52,016 INFO L124 PetriNetUnfolderBase]: 488/916 cut-off events. [2025-02-08 08:21:52,016 INFO L125 PetriNetUnfolderBase]: For 869/869 co-relation queries the response was YES. [2025-02-08 08:21:52,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2861 conditions, 916 events. 488/916 cut-off events. For 869/869 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4020 event pairs, 156 based on Foata normal form. 10/923 useless extension candidates. Maximal degree in co-relation 2843. Up to 543 conditions per place. [2025-02-08 08:21:52,021 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 63 selfloop transitions, 21 changer transitions 16/104 dead transitions. [2025-02-08 08:21:52,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 104 transitions, 668 flow [2025-02-08 08:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 08:21:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-02-08 08:21:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 191 transitions. [2025-02-08 08:21:52,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35902255639097747 [2025-02-08 08:21:52,022 INFO L175 Difference]: Start difference. First operand has 53 places, 42 transitions, 212 flow. Second operand 14 states and 191 transitions. [2025-02-08 08:21:52,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 104 transitions, 668 flow [2025-02-08 08:21:52,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 104 transitions, 646 flow, removed 4 selfloop flow, removed 2 redundant places. [2025-02-08 08:21:52,025 INFO L231 Difference]: Finished difference. Result has 72 places, 53 transitions, 363 flow [2025-02-08 08:21:52,025 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=363, PETRI_PLACES=72, PETRI_TRANSITIONS=53} [2025-02-08 08:21:52,026 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 31 predicate places. [2025-02-08 08:21:52,026 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 53 transitions, 363 flow [2025-02-08 08:21:52,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 08:21:52,026 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:52,026 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 08:21:52,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 08:21:52,026 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:52,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:52,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1640124281, now seen corresponding path program 2 times [2025-02-08 08:21:52,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:52,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327361081] [2025-02-08 08:21:52,027 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:21:52,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:52,033 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 1 equivalence classes. [2025-02-08 08:21:52,063 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 08:21:52,063 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:21:52,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:52,171 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 08:21:52,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:52,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327361081] [2025-02-08 08:21:52,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327361081] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:52,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:52,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:21:52,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552082530] [2025-02-08 08:21:52,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:52,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:21:52,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:52,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:21:52,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:21:52,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-02-08 08:21:52,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 53 transitions, 363 flow. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 08:21:52,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:52,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-02-08 08:21:52,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:52,316 INFO L124 PetriNetUnfolderBase]: 312/592 cut-off events. [2025-02-08 08:21:52,316 INFO L125 PetriNetUnfolderBase]: For 930/930 co-relation queries the response was YES. [2025-02-08 08:21:52,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1977 conditions, 592 events. 312/592 cut-off events. For 930/930 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2386 event pairs, 110 based on Foata normal form. 42/631 useless extension candidates. Maximal degree in co-relation 1951. Up to 275 conditions per place. [2025-02-08 08:21:52,319 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 54 selfloop transitions, 6 changer transitions 6/70 dead transitions. [2025-02-08 08:21:52,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 70 transitions, 576 flow [2025-02-08 08:21:52,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:21:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 08:21:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 84 transitions. [2025-02-08 08:21:52,320 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4421052631578947 [2025-02-08 08:21:52,320 INFO L175 Difference]: Start difference. First operand has 72 places, 53 transitions, 363 flow. Second operand 5 states and 84 transitions. [2025-02-08 08:21:52,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 70 transitions, 576 flow [2025-02-08 08:21:52,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 70 transitions, 488 flow, removed 25 selfloop flow, removed 11 redundant places. [2025-02-08 08:21:52,324 INFO L231 Difference]: Finished difference. Result has 63 places, 49 transitions, 279 flow [2025-02-08 08:21:52,324 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=279, PETRI_PLACES=63, PETRI_TRANSITIONS=49} [2025-02-08 08:21:52,325 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 22 predicate places. [2025-02-08 08:21:52,325 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 49 transitions, 279 flow [2025-02-08 08:21:52,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 08:21:52,326 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:21:52,326 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] [2025-02-08 08:21:52,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 08:21:52,326 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2025-02-08 08:21:52,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:21:52,326 INFO L85 PathProgramCache]: Analyzing trace with hash -833159409, now seen corresponding path program 1 times [2025-02-08 08:21:52,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:21:52,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122402603] [2025-02-08 08:21:52,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:21:52,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:21:52,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 08:21:52,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 08:21:52,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:21:52,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:21:53,455 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 08:21:53,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:21:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122402603] [2025-02-08 08:21:53,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122402603] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:21:53,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:21:53,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 08:21:53,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575996236] [2025-02-08 08:21:53,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:21:53,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:21:53,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:21:53,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:21:53,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:21:53,461 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2025-02-08 08:21:53,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 49 transitions, 279 flow. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 08:21:53,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:21:53,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2025-02-08 08:21:53,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:21:53,810 INFO L124 PetriNetUnfolderBase]: 223/419 cut-off events. [2025-02-08 08:21:53,810 INFO L125 PetriNetUnfolderBase]: For 583/583 co-relation queries the response was YES. [2025-02-08 08:21:53,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1384 conditions, 419 events. 223/419 cut-off events. For 583/583 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1478 event pairs, 19 based on Foata normal form. 4/420 useless extension candidates. Maximal degree in co-relation 1363. Up to 175 conditions per place. [2025-02-08 08:21:53,812 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2025-02-08 08:21:53,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 62 transitions, 445 flow [2025-02-08 08:21:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 08:21:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-08 08:21:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2025-02-08 08:21:53,813 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31871345029239767 [2025-02-08 08:21:53,813 INFO L175 Difference]: Start difference. First operand has 63 places, 49 transitions, 279 flow. Second operand 9 states and 109 transitions. [2025-02-08 08:21:53,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 62 transitions, 445 flow [2025-02-08 08:21:53,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 62 transitions, 401 flow, removed 11 selfloop flow, removed 8 redundant places. [2025-02-08 08:21:53,816 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2025-02-08 08:21:53,816 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2025-02-08 08:21:53,817 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 18 predicate places. [2025-02-08 08:21:53,817 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2025-02-08 08:21:53,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 08:21:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2025-02-08 08:21:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2025-02-08 08:21:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2025-02-08 08:21:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2025-02-08 08:21:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2025-02-08 08:21:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2025-02-08 08:21:53,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 08:21:53,820 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:21:53,824 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 08:21:53,824 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:21:53,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:21:53 BasicIcfg [2025-02-08 08:21:53,830 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:21:53,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:21:53,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:21:53,831 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:21:53,831 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:21:44" (3/4) ... [2025-02-08 08:21:53,833 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:21:53,834 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-02-08 08:21:53,834 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-02-08 08:21:53,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2025-02-08 08:21:53,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-08 08:21:53,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 08:21:53,839 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 08:21:53,839 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:21:53,892 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:21:53,893 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:21:53,893 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:21:53,893 INFO L158 Benchmark]: Toolchain (without parser) took 10670.13ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 105.3MB in the beginning and 370.8MB in the end (delta: -265.4MB). Peak memory consumption was 167.3MB. Max. memory is 16.1GB. [2025-02-08 08:21:53,893 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:21:53,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.74ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 79.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 08:21:53,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.42ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 76.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:21:53,894 INFO L158 Benchmark]: Boogie Preprocessor took 32.78ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 73.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:21:53,894 INFO L158 Benchmark]: IcfgBuilder took 661.74ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 62.1MB in the end (delta: 10.9MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2025-02-08 08:21:53,895 INFO L158 Benchmark]: TraceAbstraction took 9514.44ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 61.9MB in the beginning and 374.9MB in the end (delta: -313.0MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. [2025-02-08 08:21:53,896 INFO L158 Benchmark]: Witness Printer took 61.95ms. Allocated memory is still 578.8MB. Free memory was 374.9MB in the beginning and 370.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:21:53,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.74ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 79.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.42ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 76.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.78ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 73.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 661.74ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 62.1MB in the end (delta: 10.9MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9514.44ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 61.9MB in the beginning and 374.9MB in the end (delta: -313.0MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. * Witness Printer took 61.95ms. Allocated memory is still 578.8MB. Free memory was 374.9MB in the beginning and 370.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 834]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: 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 5 procedures, 57 locations, 6 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: 9.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 465 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 462 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1655 IncrementalHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 3 mSDtfsCounter, 1655 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=8, InterpolantAutomatonStates: 72, 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, 0.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 1766 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 08:21:53,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE