./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/test-easy6.wvr.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for memory safety (deref-memtrack)
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/weaver/test-easy6.wvr.c -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 ce46a456eb9ebd463906f73dade5d1c1c222b26a063863b37340a2842c9ee284
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-19 09:55:12,449 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-19 09:55:12,531 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-19 09:55:12,538 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-19 09:55:12,539 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-19 09:55:12,574 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-19 09:55:12,574 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-19 09:55:12,575 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-19 09:55:12,575 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-19 09:55:12,579 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-19 09:55:12,579 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-19 09:55:12,580 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-19 09:55:12,580 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-19 09:55:12,582 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-19 09:55:12,582 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-19 09:55:12,582 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-19 09:55:12,582 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-19 09:55:12,583 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-19 09:55:12,583 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-19 09:55:12,583 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-19 09:55:12,583 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-19 09:55:12,585 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-19 09:55:12,585 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-19 09:55:12,585 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-19 09:55:12,586 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-19 09:55:12,586 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-19 09:55:12,586 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-19 09:55:12,586 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-19 09:55:12,587 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-19 09:55:12,587 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-19 09:55:12,587 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-19 09:55:12,587 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-19 09:55:12,587 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-19 09:55:12,588 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 09:55:12,588 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-19 09:55:12,588 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-19 09:55:12,588 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-19 09:55:12,588 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-19 09:55:12,589 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-19 09:55:12,589 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-19 09:55:12,589 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-19 09:55:12,590 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-19 09:55:12,591 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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 -> ce46a456eb9ebd463906f73dade5d1c1c222b26a063863b37340a2842c9ee284
[2024-11-19 09:55:12,848 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-19 09:55:12,866 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-19 09:55:12,871 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-19 09:55:12,872 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-19 09:55:12,872 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-19 09:55:12,873 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-easy6.wvr.c
[2024-11-19 09:55:14,235 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-19 09:55:14,422 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-19 09:55:14,423 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-easy6.wvr.c
[2024-11-19 09:55:14,430 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d674d5a82/26d446908b914701b62d0bf6b9ad352f/FLAGcf9cac33f
[2024-11-19 09:55:14,443 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d674d5a82/26d446908b914701b62d0bf6b9ad352f
[2024-11-19 09:55:14,447 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-19 09:55:14,448 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-19 09:55:14,450 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-19 09:55:14,450 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-19 09:55:14,456 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-19 09:55:14,457 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,458 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102e2aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14, skipping insertion in model container
[2024-11-19 09:55:14,460 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,488 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-19 09:55:14,681 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-19 09:55:14,693 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-19 09:55:14,709 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-19 09:55:14,726 INFO  L204         MainTranslator]: Completed translation
[2024-11-19 09:55:14,726 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14 WrapperNode
[2024-11-19 09:55:14,727 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-19 09:55:14,728 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-19 09:55:14,728 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-19 09:55:14,728 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-19 09:55:14,736 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,743 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,763 INFO  L138                Inliner]: procedures = 18, calls = 14, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94
[2024-11-19 09:55:14,764 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-19 09:55:14,765 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-19 09:55:14,765 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-19 09:55:14,765 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-19 09:55:14,778 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,778 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,782 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,795 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].
[2024-11-19 09:55:14,795 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,796 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,801 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,802 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,803 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,804 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,808 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-19 09:55:14,809 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-19 09:55:14,809 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-19 09:55:14,809 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-19 09:55:14,810 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (1/1) ...
[2024-11-19 09:55:14,817 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 09:55:14,825 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 09:55:14,840 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)
[2024-11-19 09:55:14,842 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
[2024-11-19 09:55:14,886 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-19 09:55:14,886 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-11-19 09:55:14,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-19 09:55:14,887 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-11-19 09:55:14,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-19 09:55:14,887 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-19 09:55:14,887 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-19 09:55:14,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-19 09:55:14,889 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-19 09:55:14,977 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-19 09:55:14,979 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-19 09:55:15,138 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-19 09:55:15,138 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-19 09:55:15,263 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-19 09:55:15,263 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-19 09:55:15,264 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:55:15 BoogieIcfgContainer
[2024-11-19 09:55:15,264 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-19 09:55:15,266 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-19 09:55:15,266 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-19 09:55:15,271 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-19 09:55:15,272 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:55:14" (1/3) ...
[2024-11-19 09:55:15,273 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d7afa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:55:15, skipping insertion in model container
[2024-11-19 09:55:15,273 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:55:14" (2/3) ...
[2024-11-19 09:55:15,274 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d7afa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:55:15, skipping insertion in model container
[2024-11-19 09:55:15,274 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:55:15" (3/3) ...
[2024-11-19 09:55:15,276 INFO  L112   eAbstractionObserver]: Analyzing ICFG test-easy6.wvr.c
[2024-11-19 09:55:15,294 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-19 09:55:15,295 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-19 09:55:15,295 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-19 09:55:15,343 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-19 09:55:15,378 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 41 places, 34 transitions, 82 flow
[2024-11-19 09:55:15,406 INFO  L124   PetriNetUnfolderBase]: 0/32 cut-off events.
[2024-11-19 09:55:15,406 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-19 09:55:15,408 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 41 conditions, 32 events. 0/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. 
[2024-11-19 09:55:15,409 INFO  L82        GeneralOperation]: Start removeDead. Operand has 41 places, 34 transitions, 82 flow
[2024-11-19 09:55:15,412 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 38 places, 31 transitions, 74 flow
[2024-11-19 09:55:15,425 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 09:55:15,439 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;@483f1547, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 09:55:15,440 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-19 09:55:15,453 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 09:55:15,454 INFO  L124   PetriNetUnfolderBase]: 0/28 cut-off events.
[2024-11-19 09:55:15,454 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-19 09:55:15,454 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 09:55:15,455 INFO  L204   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]
[2024-11-19 09:55:15,455 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-19 09:55:15,460 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 09:55:15,460 INFO  L85        PathProgramCache]: Analyzing trace with hash 767302104, now seen corresponding path program 1 times
[2024-11-19 09:55:15,467 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 09:55:15,468 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912649970]
[2024-11-19 09:55:15,468 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 09:55:15,470 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 09:55:15,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 09:55:16,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 09:55:16,133 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 09:55:16,133 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912649970]
[2024-11-19 09:55:16,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912649970] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 09:55:16,134 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 09:55:16,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-19 09:55:16,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419018932]
[2024-11-19 09:55:16,136 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 09:55:16,142 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-19 09:55:16,147 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 09:55:16,166 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-19 09:55:16,166 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-19 09:55:16,190 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 34
[2024-11-19 09:55:16,193 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 74 flow. Second operand  has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 09:55:16,193 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 09:55:16,193 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 34
[2024-11-19 09:55:16,194 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 09:55:16,443 INFO  L124   PetriNetUnfolderBase]: 92/254 cut-off events.
[2024-11-19 09:55:16,444 INFO  L125   PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES.
[2024-11-19 09:55:16,447 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 490 conditions, 254 events. 92/254 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1178 event pairs, 20 based on Foata normal form. 4/249 useless extension candidates. Maximal degree in co-relation 405. Up to 55 conditions per place. 
[2024-11-19 09:55:16,450 INFO  L140   encePairwiseOnDemand]: 27/34 looper letters, 28 selfloop transitions, 6 changer transitions 13/60 dead transitions.
[2024-11-19 09:55:16,451 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 60 transitions, 250 flow
[2024-11-19 09:55:16,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-19 09:55:16,456 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-19 09:55:16,464 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 163 transitions.
[2024-11-19 09:55:16,466 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6848739495798319
[2024-11-19 09:55:16,467 INFO  L175             Difference]: Start difference. First operand has 38 places, 31 transitions, 74 flow. Second operand 7 states and 163 transitions.
[2024-11-19 09:55:16,468 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 60 transitions, 250 flow
[2024-11-19 09:55:16,470 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 60 transitions, 226 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-19 09:55:16,472 INFO  L231             Difference]: Finished difference. Result has 41 places, 33 transitions, 97 flow
[2024-11-19 09:55:16,474 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=97, PETRI_PLACES=41, PETRI_TRANSITIONS=33}
[2024-11-19 09:55:16,477 INFO  L277   CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places.
[2024-11-19 09:55:16,478 INFO  L471      AbstractCegarLoop]: Abstraction has has 41 places, 33 transitions, 97 flow
[2024-11-19 09:55:16,478 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 09:55:16,478 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 09:55:16,479 INFO  L204   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]
[2024-11-19 09:55:16,479 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-19 09:55:16,479 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-19 09:55:16,480 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 09:55:16,480 INFO  L85        PathProgramCache]: Analyzing trace with hash -1096940356, now seen corresponding path program 2 times
[2024-11-19 09:55:16,480 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 09:55:16,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931920953]
[2024-11-19 09:55:16,481 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-19 09:55:16,481 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 09:55:16,505 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-19 09:55:16,506 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 09:55:16,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 09:55:16,664 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 09:55:16,664 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931920953]
[2024-11-19 09:55:16,665 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931920953] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 09:55:16,665 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 09:55:16,665 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-19 09:55:16,666 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406902553]
[2024-11-19 09:55:16,666 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 09:55:16,668 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-19 09:55:16,669 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 09:55:16,669 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-19 09:55:16,670 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-19 09:55:16,688 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 34
[2024-11-19 09:55:16,689 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 33 transitions, 97 flow. Second operand  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-19 09:55:16,690 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 09:55:16,690 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 34
[2024-11-19 09:55:16,690 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 09:55:16,944 INFO  L124   PetriNetUnfolderBase]: 229/581 cut-off events.
[2024-11-19 09:55:16,945 INFO  L125   PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES.
[2024-11-19 09:55:16,949 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 581 events. 229/581 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3155 event pairs, 51 based on Foata normal form. 4/574 useless extension candidates. Maximal degree in co-relation 1125. Up to 143 conditions per place. 
[2024-11-19 09:55:16,953 INFO  L140   encePairwiseOnDemand]: 26/34 looper letters, 37 selfloop transitions, 11 changer transitions 10/73 dead transitions.
[2024-11-19 09:55:16,954 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 73 transitions, 300 flow
[2024-11-19 09:55:16,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-19 09:55:16,954 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-19 09:55:16,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 185 transitions.
[2024-11-19 09:55:16,958 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6045751633986928
[2024-11-19 09:55:16,959 INFO  L175             Difference]: Start difference. First operand has 41 places, 33 transitions, 97 flow. Second operand 9 states and 185 transitions.
[2024-11-19 09:55:16,959 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 73 transitions, 300 flow
[2024-11-19 09:55:16,961 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 73 transitions, 296 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-11-19 09:55:16,962 INFO  L231             Difference]: Finished difference. Result has 52 places, 41 transitions, 169 flow
[2024-11-19 09:55:16,965 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=169, PETRI_PLACES=52, PETRI_TRANSITIONS=41}
[2024-11-19 09:55:16,965 INFO  L277   CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places.
[2024-11-19 09:55:16,966 INFO  L471      AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 169 flow
[2024-11-19 09:55:16,966 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-19 09:55:16,968 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 09:55:16,968 INFO  L204   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]
[2024-11-19 09:55:16,968 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-19 09:55:16,969 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-19 09:55:16,969 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 09:55:16,969 INFO  L85        PathProgramCache]: Analyzing trace with hash 1040410760, now seen corresponding path program 3 times
[2024-11-19 09:55:16,969 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 09:55:16,969 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023278569]
[2024-11-19 09:55:16,970 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-19 09:55:16,970 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 09:55:16,995 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-19 09:55:16,996 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 09:55:17,057 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 09:55:17,058 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 09:55:17,058 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023278569]
[2024-11-19 09:55:17,059 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023278569] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 09:55:17,059 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 09:55:17,059 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 09:55:17,059 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320068939]
[2024-11-19 09:55:17,059 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 09:55:17,060 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 09:55:17,061 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 09:55:17,063 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 09:55:17,063 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 09:55:17,066 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34
[2024-11-19 09:55:17,066 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 169 flow. Second operand  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 09:55:17,067 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 09:55:17,067 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34
[2024-11-19 09:55:17,067 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 09:55:17,156 INFO  L124   PetriNetUnfolderBase]: 111/400 cut-off events.
[2024-11-19 09:55:17,157 INFO  L125   PetriNetUnfolderBase]: For 187/191 co-relation queries the response was YES.
[2024-11-19 09:55:17,159 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 931 conditions, 400 events. 111/400 cut-off events. For 187/191 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2350 event pairs, 88 based on Foata normal form. 9/382 useless extension candidates. Maximal degree in co-relation 757. Up to 215 conditions per place. 
[2024-11-19 09:55:17,163 INFO  L140   encePairwiseOnDemand]: 31/34 looper letters, 16 selfloop transitions, 2 changer transitions 0/45 dead transitions.
[2024-11-19 09:55:17,163 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 45 transitions, 214 flow
[2024-11-19 09:55:17,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-19 09:55:17,163 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-19 09:55:17,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions.
[2024-11-19 09:55:17,164 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7156862745098039
[2024-11-19 09:55:17,165 INFO  L175             Difference]: Start difference. First operand has 52 places, 41 transitions, 169 flow. Second operand 3 states and 73 transitions.
[2024-11-19 09:55:17,165 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 45 transitions, 214 flow
[2024-11-19 09:55:17,171 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 45 transitions, 212 flow, removed 1 selfloop flow, removed 1 redundant places.
[2024-11-19 09:55:17,172 INFO  L231             Difference]: Finished difference. Result has 52 places, 41 transitions, 175 flow
[2024-11-19 09:55:17,172 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=175, PETRI_PLACES=52, PETRI_TRANSITIONS=41}
[2024-11-19 09:55:17,173 INFO  L277   CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places.
[2024-11-19 09:55:17,175 INFO  L471      AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 175 flow
[2024-11-19 09:55:17,175 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 09:55:17,176 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 09:55:17,176 INFO  L204   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]
[2024-11-19 09:55:17,176 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-19 09:55:17,176 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-19 09:55:17,177 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 09:55:17,177 INFO  L85        PathProgramCache]: Analyzing trace with hash -1950603516, now seen corresponding path program 4 times
[2024-11-19 09:55:17,177 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 09:55:17,177 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414128420]
[2024-11-19 09:55:17,178 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-19 09:55:17,178 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 09:55:17,198 INFO  L227   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-19 09:55:17,199 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 09:55:17,329 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 09:55:17,329 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 09:55:17,330 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414128420]
[2024-11-19 09:55:17,330 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414128420] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 09:55:17,330 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 09:55:17,330 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-19 09:55:17,330 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028345112]
[2024-11-19 09:55:17,330 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 09:55:17,331 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-19 09:55:17,331 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 09:55:17,331 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-19 09:55:17,332 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-19 09:55:17,344 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 34
[2024-11-19 09:55:17,345 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 175 flow. Second operand  has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 09:55:17,346 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 09:55:17,346 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 34
[2024-11-19 09:55:17,346 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 09:55:17,539 INFO  L124   PetriNetUnfolderBase]: 180/473 cut-off events.
[2024-11-19 09:55:17,539 INFO  L125   PetriNetUnfolderBase]: For 284/290 co-relation queries the response was YES.
[2024-11-19 09:55:17,541 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1220 conditions, 473 events. 180/473 cut-off events. For 284/290 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2609 event pairs, 49 based on Foata normal form. 8/462 useless extension candidates. Maximal degree in co-relation 549. Up to 114 conditions per place. 
[2024-11-19 09:55:17,543 INFO  L140   encePairwiseOnDemand]: 29/34 looper letters, 20 selfloop transitions, 5 changer transitions 13/59 dead transitions.
[2024-11-19 09:55:17,543 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 59 transitions, 296 flow
[2024-11-19 09:55:17,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-19 09:55:17,544 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-19 09:55:17,545 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions.
[2024-11-19 09:55:17,545 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.634453781512605
[2024-11-19 09:55:17,546 INFO  L175             Difference]: Start difference. First operand has 52 places, 41 transitions, 175 flow. Second operand 7 states and 151 transitions.
[2024-11-19 09:55:17,546 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 59 transitions, 296 flow
[2024-11-19 09:55:17,551 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 59 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-19 09:55:17,553 INFO  L231             Difference]: Finished difference. Result has 57 places, 39 transitions, 174 flow
[2024-11-19 09:55:17,553 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=174, PETRI_PLACES=57, PETRI_TRANSITIONS=39}
[2024-11-19 09:55:17,556 INFO  L277   CegarLoopForPetriNet]: 38 programPoint places, 19 predicate places.
[2024-11-19 09:55:17,557 INFO  L471      AbstractCegarLoop]: Abstraction has has 57 places, 39 transitions, 174 flow
[2024-11-19 09:55:17,557 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 7 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 09:55:17,558 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 09:55:17,559 INFO  L204   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]
[2024-11-19 09:55:17,559 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-19 09:55:17,559 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-19 09:55:17,560 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 09:55:17,560 INFO  L85        PathProgramCache]: Analyzing trace with hash 1407211470, now seen corresponding path program 5 times
[2024-11-19 09:55:17,560 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 09:55:17,560 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161031057]
[2024-11-19 09:55:17,560 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-19 09:55:17,560 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 09:55:17,576 INFO  L227   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-19 09:55:17,576 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 09:55:17,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 09:55:17,741 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 09:55:17,741 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161031057]
[2024-11-19 09:55:17,741 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161031057] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 09:55:17,741 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 09:55:17,741 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-19 09:55:17,742 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608453024]
[2024-11-19 09:55:17,742 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 09:55:17,742 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-19 09:55:17,742 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 09:55:17,743 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-19 09:55:17,743 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-19 09:55:17,761 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 34
[2024-11-19 09:55:17,761 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 39 transitions, 174 flow. Second operand  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-19 09:55:17,762 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 09:55:17,762 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 34
[2024-11-19 09:55:17,762 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 09:55:17,948 INFO  L124   PetriNetUnfolderBase]: 194/514 cut-off events.
[2024-11-19 09:55:17,949 INFO  L125   PetriNetUnfolderBase]: For 498/519 co-relation queries the response was YES.
[2024-11-19 09:55:17,950 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1362 conditions, 514 events. 194/514 cut-off events. For 498/519 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2697 event pairs, 62 based on Foata normal form. 25/528 useless extension candidates. Maximal degree in co-relation 1324. Up to 146 conditions per place. 
[2024-11-19 09:55:17,952 INFO  L140   encePairwiseOnDemand]: 27/34 looper letters, 37 selfloop transitions, 8 changer transitions 10/68 dead transitions.
[2024-11-19 09:55:17,952 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 68 transitions, 370 flow
[2024-11-19 09:55:17,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-19 09:55:17,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-19 09:55:17,953 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 168 transitions.
[2024-11-19 09:55:17,954 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6176470588235294
[2024-11-19 09:55:17,954 INFO  L175             Difference]: Start difference. First operand has 57 places, 39 transitions, 174 flow. Second operand 8 states and 168 transitions.
[2024-11-19 09:55:17,954 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 68 transitions, 370 flow
[2024-11-19 09:55:17,958 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 68 transitions, 353 flow, removed 3 selfloop flow, removed 6 redundant places.
[2024-11-19 09:55:17,959 INFO  L231             Difference]: Finished difference. Result has 57 places, 37 transitions, 167 flow
[2024-11-19 09:55:17,959 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=167, PETRI_PLACES=57, PETRI_TRANSITIONS=37}
[2024-11-19 09:55:17,960 INFO  L277   CegarLoopForPetriNet]: 38 programPoint places, 19 predicate places.
[2024-11-19 09:55:17,960 INFO  L471      AbstractCegarLoop]: Abstraction has has 57 places, 37 transitions, 167 flow
[2024-11-19 09:55:17,961 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-19 09:55:17,961 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 09:55:17,961 INFO  L204   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]
[2024-11-19 09:55:17,961 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-19 09:55:17,962 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-19 09:55:17,963 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 09:55:17,963 INFO  L85        PathProgramCache]: Analyzing trace with hash 592478148, now seen corresponding path program 6 times
[2024-11-19 09:55:17,963 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 09:55:17,963 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971704723]
[2024-11-19 09:55:17,963 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-11-19 09:55:17,964 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 09:55:17,980 INFO  L227   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s)
[2024-11-19 09:55:17,981 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 09:55:18,038 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 09:55:18,038 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 09:55:18,039 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971704723]
[2024-11-19 09:55:18,039 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971704723] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 09:55:18,039 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 09:55:18,039 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 09:55:18,039 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962243284]
[2024-11-19 09:55:18,039 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 09:55:18,040 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 09:55:18,040 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 09:55:18,040 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 09:55:18,040 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 09:55:18,046 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34
[2024-11-19 09:55:18,046 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 37 transitions, 167 flow. Second operand  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 09:55:18,046 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 09:55:18,046 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34
[2024-11-19 09:55:18,046 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 09:55:18,109 INFO  L124   PetriNetUnfolderBase]: 72/282 cut-off events.
[2024-11-19 09:55:18,109 INFO  L125   PetriNetUnfolderBase]: For 236/240 co-relation queries the response was YES.
[2024-11-19 09:55:18,110 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 715 conditions, 282 events. 72/282 cut-off events. For 236/240 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1525 event pairs, 71 based on Foata normal form. 8/266 useless extension candidates. Maximal degree in co-relation 410. Up to 175 conditions per place. 
[2024-11-19 09:55:18,111 INFO  L140   encePairwiseOnDemand]: 31/34 looper letters, 13 selfloop transitions, 2 changer transitions 0/38 dead transitions.
[2024-11-19 09:55:18,111 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 38 transitions, 199 flow
[2024-11-19 09:55:18,112 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-19 09:55:18,112 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-19 09:55:18,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions.
[2024-11-19 09:55:18,113 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6862745098039216
[2024-11-19 09:55:18,113 INFO  L175             Difference]: Start difference. First operand has 57 places, 37 transitions, 167 flow. Second operand 3 states and 70 transitions.
[2024-11-19 09:55:18,113 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 38 transitions, 199 flow
[2024-11-19 09:55:18,114 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 38 transitions, 176 flow, removed 2 selfloop flow, removed 7 redundant places.
[2024-11-19 09:55:18,115 INFO  L231             Difference]: Finished difference. Result has 52 places, 37 transitions, 152 flow
[2024-11-19 09:55:18,115 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=52, PETRI_TRANSITIONS=37}
[2024-11-19 09:55:18,116 INFO  L277   CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places.
[2024-11-19 09:55:18,116 INFO  L471      AbstractCegarLoop]: Abstraction has has 52 places, 37 transitions, 152 flow
[2024-11-19 09:55:18,116 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 09:55:18,117 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 09:55:18,117 INFO  L204   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]
[2024-11-19 09:55:18,117 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-19 09:55:18,117 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-19 09:55:18,117 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 09:55:18,117 INFO  L85        PathProgramCache]: Analyzing trace with hash 1681327840, now seen corresponding path program 7 times
[2024-11-19 09:55:18,118 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 09:55:18,118 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129707192]
[2024-11-19 09:55:18,118 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-11-19 09:55:18,118 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 09:55:18,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 09:55:18,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 09:55:18,260 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 09:55:18,261 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129707192]
[2024-11-19 09:55:18,261 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129707192] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 09:55:18,261 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 09:55:18,261 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-19 09:55:18,261 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361087236]
[2024-11-19 09:55:18,262 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 09:55:18,262 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-19 09:55:18,262 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 09:55:18,263 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-19 09:55:18,263 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-19 09:55:18,276 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 34
[2024-11-19 09:55:18,277 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 37 transitions, 152 flow. Second operand  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-19 09:55:18,277 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 09:55:18,277 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 34
[2024-11-19 09:55:18,277 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 09:55:18,412 INFO  L124   PetriNetUnfolderBase]: 94/255 cut-off events.
[2024-11-19 09:55:18,412 INFO  L125   PetriNetUnfolderBase]: For 236/236 co-relation queries the response was YES.
[2024-11-19 09:55:18,413 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 691 conditions, 255 events. 94/255 cut-off events. For 236/236 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1025 event pairs, 40 based on Foata normal form. 4/250 useless extension candidates. Maximal degree in co-relation 438. Up to 146 conditions per place. 
[2024-11-19 09:55:18,415 INFO  L140   encePairwiseOnDemand]: 27/34 looper letters, 18 selfloop transitions, 3 changer transitions 11/45 dead transitions.
[2024-11-19 09:55:18,416 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 45 transitions, 234 flow
[2024-11-19 09:55:18,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-19 09:55:18,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-19 09:55:18,417 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 117 transitions.
[2024-11-19 09:55:18,417 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5735294117647058
[2024-11-19 09:55:18,417 INFO  L175             Difference]: Start difference. First operand has 52 places, 37 transitions, 152 flow. Second operand 6 states and 117 transitions.
[2024-11-19 09:55:18,417 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 45 transitions, 234 flow
[2024-11-19 09:55:18,418 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 45 transitions, 228 flow, removed 1 selfloop flow, removed 3 redundant places.
[2024-11-19 09:55:18,419 INFO  L231             Difference]: Finished difference. Result has 54 places, 31 transitions, 121 flow
[2024-11-19 09:55:18,419 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=121, PETRI_PLACES=54, PETRI_TRANSITIONS=31}
[2024-11-19 09:55:18,420 INFO  L277   CegarLoopForPetriNet]: 38 programPoint places, 16 predicate places.
[2024-11-19 09:55:18,421 INFO  L471      AbstractCegarLoop]: Abstraction has has 54 places, 31 transitions, 121 flow
[2024-11-19 09:55:18,421 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-19 09:55:18,421 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 09:55:18,422 INFO  L204   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]
[2024-11-19 09:55:18,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-19 09:55:18,422 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-19 09:55:18,422 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 09:55:18,423 INFO  L85        PathProgramCache]: Analyzing trace with hash -1774861624, now seen corresponding path program 8 times
[2024-11-19 09:55:18,423 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 09:55:18,423 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448673761]
[2024-11-19 09:55:18,423 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-19 09:55:18,423 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 09:55:18,436 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-19 09:55:18,437 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 09:55:18,523 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 09:55:18,523 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 09:55:18,524 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448673761]
[2024-11-19 09:55:18,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448673761] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 09:55:18,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 09:55:18,525 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-19 09:55:18,525 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731129436]
[2024-11-19 09:55:18,525 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 09:55:18,526 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-19 09:55:18,526 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 09:55:18,526 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-19 09:55:18,527 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-19 09:55:18,537 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 34
[2024-11-19 09:55:18,538 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 31 transitions, 121 flow. Second operand  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-19 09:55:18,538 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 09:55:18,538 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 34
[2024-11-19 09:55:18,538 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 09:55:18,601 INFO  L124   PetriNetUnfolderBase]: 21/68 cut-off events.
[2024-11-19 09:55:18,601 INFO  L125   PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES.
[2024-11-19 09:55:18,602 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 201 conditions, 68 events. 21/68 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs, 5 based on Foata normal form. 4/71 useless extension candidates. Maximal degree in co-relation 188. Up to 18 conditions per place. 
[2024-11-19 09:55:18,602 INFO  L140   encePairwiseOnDemand]: 28/34 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions.
[2024-11-19 09:55:18,602 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 29 transitions, 152 flow
[2024-11-19 09:55:18,603 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-19 09:55:18,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-19 09:55:18,603 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 120 transitions.
[2024-11-19 09:55:18,604 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5042016806722689
[2024-11-19 09:55:18,604 INFO  L175             Difference]: Start difference. First operand has 54 places, 31 transitions, 121 flow. Second operand 7 states and 120 transitions.
[2024-11-19 09:55:18,604 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 29 transitions, 152 flow
[2024-11-19 09:55:18,604 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 29 transitions, 121 flow, removed 9 selfloop flow, removed 10 redundant places.
[2024-11-19 09:55:18,605 INFO  L231             Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow
[2024-11-19 09:55:18,605 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=37, PETRI_TRANSITIONS=0}
[2024-11-19 09:55:18,606 INFO  L277   CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places.
[2024-11-19 09:55:18,606 INFO  L471      AbstractCegarLoop]: Abstraction has has 37 places, 0 transitions, 0 flow
[2024-11-19 09:55:18,606 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-19 09:55:18,609 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining)
[2024-11-19 09:55:18,610 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining)
[2024-11-19 09:55:18,610 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-11-19 09:55:18,610 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-11-19 09:55:18,611 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-19 09:55:18,611 INFO  L407         BasicCegarLoop]: Path program histogram: [8]
[2024-11-19 09:55:18,615 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-19 09:55:18,615 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-19 09:55:18,624 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:55:18 BasicIcfg
[2024-11-19 09:55:18,624 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-19 09:55:18,625 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-19 09:55:18,625 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-19 09:55:18,625 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-19 09:55:18,628 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:55:15" (3/4) ...
[2024-11-19 09:55:18,630 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-19 09:55:18,634 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-19 09:55:18,634 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-19 09:55:18,638 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges
[2024-11-19 09:55:18,639 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-19 09:55:18,639 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-19 09:55:18,639 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-19 09:55:18,729 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-19 09:55:18,730 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-19 09:55:18,730 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-19 09:55:18,731 INFO  L158              Benchmark]: Toolchain (without parser) took 4282.39ms. Allocated memory was 184.5MB in the beginning and 264.2MB in the end (delta: 79.7MB). Free memory was 127.3MB in the beginning and 147.4MB in the end (delta: -20.1MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB.
[2024-11-19 09:55:18,731 INFO  L158              Benchmark]: CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-19 09:55:18,731 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 276.98ms. Allocated memory is still 184.5MB. Free memory was 127.3MB in the beginning and 114.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-19 09:55:18,732 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.11ms. Allocated memory is still 184.5MB. Free memory was 114.3MB in the beginning and 112.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-19 09:55:18,732 INFO  L158              Benchmark]: Boogie Preprocessor took 43.30ms. Allocated memory is still 184.5MB. Free memory was 112.6MB in the beginning and 111.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-19 09:55:18,732 INFO  L158              Benchmark]: RCFGBuilder took 455.15ms. Allocated memory is still 184.5MB. Free memory was 110.5MB in the beginning and 87.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2024-11-19 09:55:18,733 INFO  L158              Benchmark]: TraceAbstraction took 3358.29ms. Allocated memory was 184.5MB in the beginning and 264.2MB in the end (delta: 79.7MB). Free memory was 86.6MB in the beginning and 151.6MB in the end (delta: -65.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB.
[2024-11-19 09:55:18,733 INFO  L158              Benchmark]: Witness Printer took 105.70ms. Allocated memory is still 264.2MB. Free memory was 151.6MB in the beginning and 147.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-19 09:55:18,734 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 276.98ms. Allocated memory is still 184.5MB. Free memory was 127.3MB in the beginning and 114.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.11ms. Allocated memory is still 184.5MB. Free memory was 114.3MB in the beginning and 112.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 43.30ms. Allocated memory is still 184.5MB. Free memory was 112.6MB in the beginning and 111.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 455.15ms. Allocated memory is still 184.5MB. Free memory was 110.5MB in the beginning and 87.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 3358.29ms. Allocated memory was 184.5MB in the beginning and 264.2MB in the end (delta: 79.7MB). Free memory was 86.6MB in the beginning and 151.6MB in the end (delta: -65.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB.
 * Witness Printer took 105.70ms. Allocated memory is still 264.2MB. Free memory was 151.6MB in the beginning and 147.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 21]: all allocated memory was freed
    For all program executions holds that all allocated memory was freed at this location
  - PositiveResult [Line: 70]: 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, 59 locations, 4 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: 3.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 305 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 289 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 788 IncrementalHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 23 mSDtfsCounter, 788 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=3, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 626 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
  - AllSpecificationsHoldResult: All specifications hold
    2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-19 09:55:18,762 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