./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 14:18:39,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:18:39,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-17 14:18:39,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:18:39,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:18:39,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:18:39,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:18:39,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:18:39,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:18:39,994 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:18:39,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:18:39,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:18:39,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:18:39,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:18:39,996 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:18:39,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:18:39,996 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:18:39,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:18:39,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:18:39,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:18:39,997 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:18:39,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:18:39,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:18:39,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:18:39,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:18:39,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:18:39,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:18:39,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:18:39,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:18:39,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:18:39,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:18:39,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:18:39,999 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/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 -> a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 [2025-03-17 14:18:40,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:18:40,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:18:40,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:18:40,253 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:18:40,253 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:18:40,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2025-03-17 14:18:41,370 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717e89421/c95784ab5516487784f61299876527a3/FLAG36a1d7ccd [2025-03-17 14:18:41,643 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:18:41,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2025-03-17 14:18:41,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717e89421/c95784ab5516487784f61299876527a3/FLAG36a1d7ccd [2025-03-17 14:18:41,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717e89421/c95784ab5516487784f61299876527a3 [2025-03-17 14:18:41,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:18:41,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:18:41,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:18:41,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:18:41,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:18:41,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:18:41" (1/1) ... [2025-03-17 14:18:41,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32cc897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:41, skipping insertion in model container [2025-03-17 14:18:41,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:18:41" (1/1) ... [2025-03-17 14:18:41,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:18:42,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:18:42,235 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:18:42,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:18:42,299 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:18:42,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42 WrapperNode [2025-03-17 14:18:42,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:18:42,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:18:42,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:18:42,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:18:42,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,328 INFO L138 Inliner]: procedures = 162, calls = 43, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 88 [2025-03-17 14:18:42,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:18:42,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:18:42,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:18:42,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:18:42,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,348 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-03-17 14:18:42,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,351 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:18:42,358 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:18:42,358 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:18:42,358 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:18:42,358 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (1/1) ... [2025-03-17 14:18:42,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:18:42,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:18:42,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 14:18:42,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2025-03-17 14:18:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 14:18:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:18:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:18:42,399 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 14:18:42,495 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:18:42,496 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:18:42,693 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 14:18:42,693 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:18:42,792 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:18:42,793 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:18:42,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:18:42 BoogieIcfgContainer [2025-03-17 14:18:42,793 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:18:42,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:18:42,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:18:42,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:18:42,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:18:41" (1/3) ... [2025-03-17 14:18:42,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fdf122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:18:42, skipping insertion in model container [2025-03-17 14:18:42,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:18:42" (2/3) ... [2025-03-17 14:18:42,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fdf122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:18:42, skipping insertion in model container [2025-03-17 14:18:42,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:18:42" (3/3) ... [2025-03-17 14:18:42,803 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2025-03-17 14:18:42,814 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:18:42,815 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_29-multiple-protecting2-vesal_true.i that has 2 procedures, 56 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-17 14:18:42,816 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 14:18:42,846 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-17 14:18:42,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 61 transitions, 129 flow [2025-03-17 14:18:42,906 INFO L124 PetriNetUnfolderBase]: 6/60 cut-off events. [2025-03-17 14:18:42,907 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 14:18:42,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 60 events. 6/60 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2025-03-17 14:18:42,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 61 transitions, 129 flow [2025-03-17 14:18:42,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 59 transitions, 124 flow [2025-03-17 14:18:42,923 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:18:42,931 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;@303b2452, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:18:42,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-17 14:18:42,938 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 14:18:42,939 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2025-03-17 14:18:42,939 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 14:18:42,939 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 14:18:42,939 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:18:42,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2025-03-17 14:18:42,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:18:42,946 INFO L85 PathProgramCache]: Analyzing trace with hash -469497576, now seen corresponding path program 1 times [2025-03-17 14:18:42,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:18:42,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007260107] [2025-03-17 14:18:42,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:18:42,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:18:43,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 14:18:43,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 14:18:43,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:18:43,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:18:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:18:43,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:18:43,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007260107] [2025-03-17 14:18:43,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007260107] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:18:43,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:18:43,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:18:43,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471904600] [2025-03-17 14:18:43,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:18:43,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:18:43,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:18:43,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:18:43,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:18:43,255 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 61 [2025-03-17 14:18:43,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 124 flow. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:18:43,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 14:18:43,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 61 [2025-03-17 14:18:43,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 14:18:43,428 INFO L124 PetriNetUnfolderBase]: 177/480 cut-off events. [2025-03-17 14:18:43,429 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 14:18:43,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 873 conditions, 480 events. 177/480 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2309 event pairs, 81 based on Foata normal form. 48/503 useless extension candidates. Maximal degree in co-relation 859. Up to 172 conditions per place. [2025-03-17 14:18:43,432 INFO L140 encePairwiseOnDemand]: 45/61 looper letters, 46 selfloop transitions, 15 changer transitions 0/79 dead transitions. [2025-03-17 14:18:43,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 79 transitions, 286 flow [2025-03-17 14:18:43,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 14:18:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-17 14:18:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 168 transitions. [2025-03-17 14:18:43,447 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5508196721311476 [2025-03-17 14:18:43,448 INFO L175 Difference]: Start difference. First operand has 57 places, 59 transitions, 124 flow. Second operand 5 states and 168 transitions. [2025-03-17 14:18:43,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 79 transitions, 286 flow [2025-03-17 14:18:43,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 79 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 14:18:43,457 INFO L231 Difference]: Finished difference. Result has 60 places, 58 transitions, 186 flow [2025-03-17 14:18:43,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=186, PETRI_PLACES=60, PETRI_TRANSITIONS=58} [2025-03-17 14:18:43,462 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 3 predicate places. [2025-03-17 14:18:43,462 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 58 transitions, 186 flow [2025-03-17 14:18:43,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:18:43,462 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 14:18:43,462 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:18:43,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:18:43,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2025-03-17 14:18:43,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:18:43,463 INFO L85 PathProgramCache]: Analyzing trace with hash -216139075, now seen corresponding path program 1 times [2025-03-17 14:18:43,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:18:43,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816286926] [2025-03-17 14:18:43,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:18:43,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:18:43,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 14:18:43,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 14:18:43,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:18:43,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:18:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:18:43,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:18:43,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816286926] [2025-03-17 14:18:43,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816286926] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:18:43,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:18:43,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:18:43,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855145856] [2025-03-17 14:18:43,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:18:43,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:18:43,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:18:43,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:18:43,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:18:43,615 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 61 [2025-03-17 14:18:43,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 58 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2025-03-17 14:18:43,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 14:18:43,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 61 [2025-03-17 14:18:43,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 14:18:43,773 INFO L124 PetriNetUnfolderBase]: 180/475 cut-off events. [2025-03-17 14:18:43,773 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2025-03-17 14:18:43,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 475 events. 180/475 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2345 event pairs, 42 based on Foata normal form. 10/484 useless extension candidates. Maximal degree in co-relation 875. Up to 241 conditions per place. [2025-03-17 14:18:43,778 INFO L140 encePairwiseOnDemand]: 52/61 looper letters, 51 selfloop transitions, 19 changer transitions 0/88 dead transitions. [2025-03-17 14:18:43,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 428 flow [2025-03-17 14:18:43,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 14:18:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-17 14:18:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 157 transitions. [2025-03-17 14:18:43,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5147540983606558 [2025-03-17 14:18:43,781 INFO L175 Difference]: Start difference. First operand has 60 places, 58 transitions, 186 flow. Second operand 5 states and 157 transitions. [2025-03-17 14:18:43,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 428 flow [2025-03-17 14:18:43,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 88 transitions, 428 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 14:18:43,785 INFO L231 Difference]: Finished difference. Result has 67 places, 66 transitions, 308 flow [2025-03-17 14:18:43,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=308, PETRI_PLACES=67, PETRI_TRANSITIONS=66} [2025-03-17 14:18:43,786 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 10 predicate places. [2025-03-17 14:18:43,786 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 308 flow [2025-03-17 14:18:43,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2025-03-17 14:18:43,786 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 14:18:43,787 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:18:43,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 14:18:43,787 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2025-03-17 14:18:43,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:18:43,787 INFO L85 PathProgramCache]: Analyzing trace with hash -717688577, now seen corresponding path program 1 times [2025-03-17 14:18:43,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:18:43,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422146760] [2025-03-17 14:18:43,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:18:43,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:18:43,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 14:18:43,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 14:18:43,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:18:43,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:18:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:18:43,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:18:43,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422146760] [2025-03-17 14:18:43,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422146760] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:18:43,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:18:43,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 14:18:43,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631794559] [2025-03-17 14:18:43,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:18:43,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 14:18:43,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:18:43,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 14:18:43,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:18:43,912 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 61 [2025-03-17 14:18:43,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 308 flow. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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) [2025-03-17 14:18:43,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 14:18:43,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 61 [2025-03-17 14:18:43,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 14:18:44,049 INFO L124 PetriNetUnfolderBase]: 183/476 cut-off events. [2025-03-17 14:18:44,050 INFO L125 PetriNetUnfolderBase]: For 367/367 co-relation queries the response was YES. [2025-03-17 14:18:44,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1285 conditions, 476 events. 183/476 cut-off events. For 367/367 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2248 event pairs, 42 based on Foata normal form. 17/492 useless extension candidates. Maximal degree in co-relation 960. Up to 211 conditions per place. [2025-03-17 14:18:44,053 INFO L140 encePairwiseOnDemand]: 51/61 looper letters, 56 selfloop transitions, 16 changer transitions 0/88 dead transitions. [2025-03-17 14:18:44,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 88 transitions, 535 flow [2025-03-17 14:18:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:18:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 14:18:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 176 transitions. [2025-03-17 14:18:44,057 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4808743169398907 [2025-03-17 14:18:44,057 INFO L175 Difference]: Start difference. First operand has 67 places, 66 transitions, 308 flow. Second operand 6 states and 176 transitions. [2025-03-17 14:18:44,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 88 transitions, 535 flow [2025-03-17 14:18:44,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 88 transitions, 528 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-03-17 14:18:44,061 INFO L231 Difference]: Finished difference. Result has 72 places, 69 transitions, 409 flow [2025-03-17 14:18:44,062 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=409, PETRI_PLACES=72, PETRI_TRANSITIONS=69} [2025-03-17 14:18:44,062 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 15 predicate places. [2025-03-17 14:18:44,062 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 69 transitions, 409 flow [2025-03-17 14:18:44,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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) [2025-03-17 14:18:44,062 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 14:18:44,063 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:18:44,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 14:18:44,063 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2025-03-17 14:18:44,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:18:44,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1101734632, now seen corresponding path program 1 times [2025-03-17 14:18:44,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:18:44,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12633637] [2025-03-17 14:18:44,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:18:44,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:18:44,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-17 14:18:44,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-17 14:18:44,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:18:44,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:18:44,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:18:44,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:18:44,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12633637] [2025-03-17 14:18:44,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12633637] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:18:44,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:18:44,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 14:18:44,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995553990] [2025-03-17 14:18:44,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:18:44,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:18:44,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:18:44,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:18:44,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:18:44,170 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 61 [2025-03-17 14:18:44,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 409 flow. Second operand has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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) [2025-03-17 14:18:44,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 14:18:44,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 61 [2025-03-17 14:18:44,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 14:18:44,312 INFO L124 PetriNetUnfolderBase]: 180/456 cut-off events. [2025-03-17 14:18:44,312 INFO L125 PetriNetUnfolderBase]: For 783/783 co-relation queries the response was YES. [2025-03-17 14:18:44,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1404 conditions, 456 events. 180/456 cut-off events. For 783/783 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2081 event pairs, 28 based on Foata normal form. 4/459 useless extension candidates. Maximal degree in co-relation 1063. Up to 117 conditions per place. [2025-03-17 14:18:44,314 INFO L140 encePairwiseOnDemand]: 50/61 looper letters, 60 selfloop transitions, 23 changer transitions 0/97 dead transitions. [2025-03-17 14:18:44,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 97 transitions, 661 flow [2025-03-17 14:18:44,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 14:18:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-17 14:18:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 231 transitions. [2025-03-17 14:18:44,316 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4733606557377049 [2025-03-17 14:18:44,316 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 409 flow. Second operand 8 states and 231 transitions. [2025-03-17 14:18:44,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 97 transitions, 661 flow [2025-03-17 14:18:44,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 97 transitions, 625 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-17 14:18:44,321 INFO L231 Difference]: Finished difference. Result has 72 places, 67 transitions, 417 flow [2025-03-17 14:18:44,321 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=417, PETRI_PLACES=72, PETRI_TRANSITIONS=67} [2025-03-17 14:18:44,322 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 15 predicate places. [2025-03-17 14:18:44,322 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 67 transitions, 417 flow [2025-03-17 14:18:44,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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) [2025-03-17 14:18:44,322 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 14:18:44,322 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] [2025-03-17 14:18:44,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 14:18:44,322 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2025-03-17 14:18:44,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:18:44,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1538750080, now seen corresponding path program 1 times [2025-03-17 14:18:44,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:18:44,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497677144] [2025-03-17 14:18:44,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:18:44,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:18:44,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 14:18:44,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 14:18:44,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:18:44,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:18:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:18:44,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:18:44,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497677144] [2025-03-17 14:18:44,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497677144] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:18:44,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:18:44,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 14:18:44,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694051810] [2025-03-17 14:18:44,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:18:44,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 14:18:44,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:18:44,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 14:18:44,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:18:44,430 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 61 [2025-03-17 14:18:44,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 67 transitions, 417 flow. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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) [2025-03-17 14:18:44,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 14:18:44,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 61 [2025-03-17 14:18:44,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 14:18:44,520 INFO L124 PetriNetUnfolderBase]: 90/307 cut-off events. [2025-03-17 14:18:44,521 INFO L125 PetriNetUnfolderBase]: For 461/461 co-relation queries the response was YES. [2025-03-17 14:18:44,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 307 events. 90/307 cut-off events. For 461/461 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1327 event pairs, 27 based on Foata normal form. 23/327 useless extension candidates. Maximal degree in co-relation 584. Up to 133 conditions per place. [2025-03-17 14:18:44,523 INFO L140 encePairwiseOnDemand]: 50/61 looper letters, 45 selfloop transitions, 11 changer transitions 0/79 dead transitions. [2025-03-17 14:18:44,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 79 transitions, 554 flow [2025-03-17 14:18:44,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:18:44,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-17 14:18:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 139 transitions. [2025-03-17 14:18:44,524 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.569672131147541 [2025-03-17 14:18:44,524 INFO L175 Difference]: Start difference. First operand has 72 places, 67 transitions, 417 flow. Second operand 4 states and 139 transitions. [2025-03-17 14:18:44,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 79 transitions, 554 flow [2025-03-17 14:18:44,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 79 transitions, 465 flow, removed 4 selfloop flow, removed 9 redundant places. [2025-03-17 14:18:44,530 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 330 flow [2025-03-17 14:18:44,531 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=330, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2025-03-17 14:18:44,532 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 10 predicate places. [2025-03-17 14:18:44,533 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 330 flow [2025-03-17 14:18:44,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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) [2025-03-17 14:18:44,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 14:18:44,533 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] [2025-03-17 14:18:44,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 14:18:44,534 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2025-03-17 14:18:44,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:18:44,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1715122807, now seen corresponding path program 1 times [2025-03-17 14:18:44,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:18:44,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321824148] [2025-03-17 14:18:44,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:18:44,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:18:44,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 14:18:44,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 14:18:44,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:18:44,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:18:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:18:44,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:18:44,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321824148] [2025-03-17 14:18:44,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321824148] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:18:44,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:18:44,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 14:18:44,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137635135] [2025-03-17 14:18:44,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:18:44,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:18:44,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:18:44,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:18:44,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:18:44,690 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 61 [2025-03-17 14:18:44,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 330 flow. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 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) [2025-03-17 14:18:44,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 14:18:44,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 61 [2025-03-17 14:18:44,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 14:18:44,761 INFO L124 PetriNetUnfolderBase]: 56/220 cut-off events. [2025-03-17 14:18:44,762 INFO L125 PetriNetUnfolderBase]: For 207/207 co-relation queries the response was YES. [2025-03-17 14:18:44,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 220 events. 56/220 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 748 event pairs, 10 based on Foata normal form. 12/232 useless extension candidates. Maximal degree in co-relation 348. Up to 105 conditions per place. [2025-03-17 14:18:44,763 INFO L140 encePairwiseOnDemand]: 56/61 looper letters, 43 selfloop transitions, 6 changer transitions 0/71 dead transitions. [2025-03-17 14:18:44,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 71 transitions, 453 flow [2025-03-17 14:18:44,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:18:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-17 14:18:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2025-03-17 14:18:44,764 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5163934426229508 [2025-03-17 14:18:44,764 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 330 flow. Second operand 4 states and 126 transitions. [2025-03-17 14:18:44,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 71 transitions, 453 flow [2025-03-17 14:18:44,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 71 transitions, 448 flow, removed 2 selfloop flow, removed 1 redundant places. [2025-03-17 14:18:44,767 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 300 flow [2025-03-17 14:18:44,767 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=300, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2025-03-17 14:18:44,768 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 12 predicate places. [2025-03-17 14:18:44,769 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 300 flow [2025-03-17 14:18:44,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 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) [2025-03-17 14:18:44,769 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 14:18:44,769 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:18:44,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 14:18:44,769 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2025-03-17 14:18:44,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:18:44,769 INFO L85 PathProgramCache]: Analyzing trace with hash -606878356, now seen corresponding path program 1 times [2025-03-17 14:18:44,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:18:44,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915925254] [2025-03-17 14:18:44,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:18:44,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:18:44,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 14:18:44,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 14:18:44,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:18:44,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:18:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:18:44,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:18:44,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915925254] [2025-03-17 14:18:44,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915925254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:18:44,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:18:44,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 14:18:44,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139264012] [2025-03-17 14:18:44,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:18:44,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 14:18:44,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:18:44,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 14:18:44,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:18:44,909 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 61 [2025-03-17 14:18:44,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 300 flow. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 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) [2025-03-17 14:18:44,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 14:18:44,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 61 [2025-03-17 14:18:44,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 14:18:45,004 INFO L124 PetriNetUnfolderBase]: 64/222 cut-off events. [2025-03-17 14:18:45,004 INFO L125 PetriNetUnfolderBase]: For 193/193 co-relation queries the response was YES. [2025-03-17 14:18:45,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 222 events. 64/222 cut-off events. For 193/193 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 749 event pairs, 29 based on Foata normal form. 2/222 useless extension candidates. Maximal degree in co-relation 407. Up to 106 conditions per place. [2025-03-17 14:18:45,006 INFO L140 encePairwiseOnDemand]: 53/61 looper letters, 39 selfloop transitions, 13 changer transitions 0/64 dead transitions. [2025-03-17 14:18:45,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 64 transitions, 425 flow [2025-03-17 14:18:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:18:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 14:18:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2025-03-17 14:18:45,007 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42896174863387976 [2025-03-17 14:18:45,007 INFO L175 Difference]: Start difference. First operand has 69 places, 59 transitions, 300 flow. Second operand 6 states and 157 transitions. [2025-03-17 14:18:45,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 64 transitions, 425 flow [2025-03-17 14:18:45,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 64 transitions, 413 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-17 14:18:45,010 INFO L231 Difference]: Finished difference. Result has 68 places, 56 transitions, 308 flow [2025-03-17 14:18:45,010 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=308, PETRI_PLACES=68, PETRI_TRANSITIONS=56} [2025-03-17 14:18:45,010 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 11 predicate places. [2025-03-17 14:18:45,011 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 56 transitions, 308 flow [2025-03-17 14:18:45,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 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) [2025-03-17 14:18:45,011 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 14:18:45,011 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:18:45,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 14:18:45,011 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2025-03-17 14:18:45,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:18:45,012 INFO L85 PathProgramCache]: Analyzing trace with hash -517775172, now seen corresponding path program 1 times [2025-03-17 14:18:45,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:18:45,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287374552] [2025-03-17 14:18:45,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:18:45,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:18:45,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 14:18:45,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 14:18:45,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:18:45,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:18:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:18:45,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:18:45,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287374552] [2025-03-17 14:18:45,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287374552] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:18:45,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:18:45,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:18:45,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111271124] [2025-03-17 14:18:45,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:18:45,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:18:45,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:18:45,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:18:45,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:18:45,070 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 61 [2025-03-17 14:18:45,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 56 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2025-03-17 14:18:45,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 14:18:45,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 61 [2025-03-17 14:18:45,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 14:18:45,114 INFO L124 PetriNetUnfolderBase]: 55/212 cut-off events. [2025-03-17 14:18:45,114 INFO L125 PetriNetUnfolderBase]: For 240/240 co-relation queries the response was YES. [2025-03-17 14:18:45,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 212 events. 55/212 cut-off events. For 240/240 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 723 event pairs, 47 based on Foata normal form. 1/211 useless extension candidates. Maximal degree in co-relation 261. Up to 164 conditions per place. [2025-03-17 14:18:45,115 INFO L140 encePairwiseOnDemand]: 59/61 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2025-03-17 14:18:45,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 55 transitions, 378 flow [2025-03-17 14:18:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:18:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 14:18:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2025-03-17 14:18:45,116 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4918032786885246 [2025-03-17 14:18:45,116 INFO L175 Difference]: Start difference. First operand has 68 places, 56 transitions, 308 flow. Second operand 3 states and 90 transitions. [2025-03-17 14:18:45,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 55 transitions, 378 flow [2025-03-17 14:18:45,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 55 transitions, 367 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-17 14:18:45,118 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2025-03-17 14:18:45,118 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2025-03-17 14:18:45,118 INFO L279 CegarLoopForPetriNet]: 57 programPoint places, 9 predicate places. [2025-03-17 14:18:45,118 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2025-03-17 14:18:45,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2025-03-17 14:18:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2025-03-17 14:18:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2025-03-17 14:18:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 5 remaining) [2025-03-17 14:18:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2025-03-17 14:18:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-03-17 14:18:45,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 14:18:45,122 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:18:45,124 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 14:18:45,124 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 14:18:45,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:18:45 BasicIcfg [2025-03-17 14:18:45,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 14:18:45,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 14:18:45,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 14:18:45,128 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 14:18:45,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:18:42" (3/4) ... [2025-03-17 14:18:45,129 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 14:18:45,132 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t2_fun [2025-03-17 14:18:45,136 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2025-03-17 14:18:45,137 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-17 14:18:45,137 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-17 14:18:45,137 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 14:18:45,194 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 14:18:45,194 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 14:18:45,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 14:18:45,195 INFO L158 Benchmark]: Toolchain (without parser) took 3246.42ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 109.2MB in the beginning and 206.1MB in the end (delta: -96.8MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2025-03-17 14:18:45,195 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:18:45,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.99ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 89.3MB in the end (delta: 19.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:18:45,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.47ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:18:45,196 INFO L158 Benchmark]: Boogie Preprocessor took 28.52ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 86.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:18:45,196 INFO L158 Benchmark]: IcfgBuilder took 435.45ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 53.6MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-17 14:18:45,196 INFO L158 Benchmark]: TraceAbstraction took 2329.88ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 53.6MB in the beginning and 211.7MB in the end (delta: -158.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:18:45,196 INFO L158 Benchmark]: Witness Printer took 66.79ms. Allocated memory is still 285.2MB. Free memory was 211.7MB in the beginning and 206.1MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:18:45,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.99ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 89.3MB in the end (delta: 19.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.47ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.52ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 86.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 435.45ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 53.6MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2329.88ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 53.6MB in the beginning and 211.7MB in the end (delta: -158.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.79ms. Allocated memory is still 285.2MB. Free memory was 211.7MB in the beginning and 206.1MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. 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: 18]: 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 - PositiveResult [Line: 696]: 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 3 procedures, 71 locations, 76 edges, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 296 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 287 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 746 IncrementalHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 6 mSDtfsCounter, 746 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=4, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 14:18:45,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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