./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i --full-output --architecture 32bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC --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 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:29:42,137 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:29:42,243 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-24 01:29:42,249 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:29:42,249 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:29:42,278 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:29:42,279 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:29:42,280 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:29:42,280 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:29:42,280 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 01:29:42,280 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:29:42,281 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:29:42,281 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:29:42,281 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 01:29:42,282 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 01:29:42,282 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:29:42,282 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 01:29:42,282 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 01:29:42,282 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 01:29:42,283 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 01:29:42,283 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-24 01:29:42,283 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-24 01:29:42,283 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-24 01:29:42,283 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:29:42,283 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-24 01:29:42,283 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-24 01:29:42,283 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 01:29:42,284 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:29:42,284 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 01:29:42,284 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:29:42,284 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:29:42,284 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:29:42,284 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:29:42,284 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:29:42,284 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:29:42,284 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:29:42,285 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:29:42,285 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:29:42,285 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:29:42,285 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:29:42,285 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:29:42,285 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-24 01:29:42,285 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:29:42,285 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:29:42,285 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:29:42,286 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:29:42,286 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:29:42,286 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC
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 -> 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381
[2024-11-24 01:29:42,670 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:29:42,687 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:29:42,691 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:29:42,693 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 01:29:42,695 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 01:29:42,697 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i
[2024-11-24 01:29:46,300 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data/1338b576d/83ddce92bb94417083d80d04683c828c/FLAG5c39b1f57
[2024-11-24 01:29:46,763 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 01:29:46,764 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i
[2024-11-24 01:29:46,803 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data/1338b576d/83ddce92bb94417083d80d04683c828c/FLAG5c39b1f57
[2024-11-24 01:29:46,883 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data/1338b576d/83ddce92bb94417083d80d04683c828c
[2024-11-24 01:29:46,887 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:29:46,889 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:29:46,890 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:29:46,890 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:29:46,898 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:29:46,899 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:46" (1/1) ...
[2024-11-24 01:29:46,900 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:46, skipping insertion in model container
[2024-11-24 01:29:46,901 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:46" (1/1) ...
[2024-11-24 01:29:46,976 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:29:47,440 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:29:47,455 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 01:29:47,559 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:29:47,609 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 01:29:47,610 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47 WrapperNode
[2024-11-24 01:29:47,610 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:29:47,615 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:29:47,615 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:29:47,615 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:29:47,623 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,652 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,690 INFO  L138                Inliner]: procedures = 175, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127
[2024-11-24 01:29:47,690 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:29:47,691 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:29:47,691 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:29:47,692 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:29:47,702 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,703 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,707 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,734 INFO  L175           MemorySlicer]: Split 21 memory accesses to 2 slices as follows [2, 19]. 90 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 7 writes are split as follows [0, 7].
[2024-11-24 01:29:47,734 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,734 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,756 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,762 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,766 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,769 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,775 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,784 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:29:47,785 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:29:47,785 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:29:47,785 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:29:47,786 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ...
[2024-11-24 01:29:47,793 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:29:47,809 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:29:47,832 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:29:47,837 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:29:47,872 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-24 01:29:47,872 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-24 01:29:47,872 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-24 01:29:47,872 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-24 01:29:47,872 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-24 01:29:47,872 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:29:47,872 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-24 01:29:47,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-24 01:29:47,873 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-24 01:29:47,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-24 01:29:47,873 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-24 01:29:47,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-24 01:29:47,873 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:29:47,873 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-24 01:29:47,873 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-24 01:29:47,873 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:29:47,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:29:47,877 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 01:29:48,130 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 01:29:48,132 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:29:48,951 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 01:29:48,951 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 01:29:49,792 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:29:49,792 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 01:29:49,793 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:49 BoogieIcfgContainer
[2024-11-24 01:29:49,795 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:29:49,797 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:29:49,797 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:29:49,805 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:29:49,805 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:29:46" (1/3) ...
[2024-11-24 01:29:49,806 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5801b35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:29:49, skipping insertion in model container
[2024-11-24 01:29:49,806 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (2/3) ...
[2024-11-24 01:29:49,807 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5801b35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:29:49, skipping insertion in model container
[2024-11-24 01:29:49,808 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:49" (3/3) ...
[2024-11-24 01:29:49,811 INFO  L128   eAbstractionObserver]: Analyzing ICFG rfi006_rmo.i
[2024-11-24 01:29:49,833 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:29:49,835 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG rfi006_rmo.i that has 4 procedures, 78 locations, 1 initial locations, 0 loop locations, and 38 error locations.
[2024-11-24 01:29:49,835 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 01:29:50,068 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 01:29:50,123 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 87 places, 79 transitions, 170 flow
[2024-11-24 01:29:50,250 INFO  L124   PetriNetUnfolderBase]: 2/76 cut-off events.
[2024-11-24 01:29:50,255 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:29:50,263 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 86 conditions, 76 events. 2/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 297 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. 
[2024-11-24 01:29:50,263 INFO  L82        GeneralOperation]: Start removeDead. Operand has 87 places, 79 transitions, 170 flow
[2024-11-24 01:29:50,269 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 84 places, 76 transitions, 161 flow
[2024-11-24 01:29:50,282 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:29:50,308 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;@d3a1442, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:29:50,308 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 71 error locations.
[2024-11-24 01:29:50,317 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 01:29:50,317 INFO  L124   PetriNetUnfolderBase]: 0/5 cut-off events.
[2024-11-24 01:29:50,317 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:29:50,317 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:50,318 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-24 01:29:50,318 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:50,324 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:50,325 INFO  L85        PathProgramCache]: Analyzing trace with hash 21804362, now seen corresponding path program 1 times
[2024-11-24 01:29:50,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:50,337 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908172736]
[2024-11-24 01:29:50,337 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:50,338 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:50,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:50,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:50,817 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:50,817 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908172736]
[2024-11-24 01:29:50,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908172736] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:50,822 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:50,823 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 01:29:50,825 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487790012]
[2024-11-24 01:29:50,825 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:50,837 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:29:50,844 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:50,880 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:29:50,881 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:29:50,889 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:29:50,893 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 76 transitions, 161 flow. Second operand  has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:29:50,893 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:50,893 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:29:50,894 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:29:52,970 INFO  L124   PetriNetUnfolderBase]: 3375/5456 cut-off events.
[2024-11-24 01:29:52,970 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:29:52,993 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10375 conditions, 5456 events. 3375/5456 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 508. Compared 42027 event pairs, 3375 based on Foata normal form. 224/3842 useless extension candidates. Maximal degree in co-relation 10364. Up to 4872 conditions per place. 
[2024-11-24 01:29:53,038 INFO  L140   encePairwiseOnDemand]: 49/79 looper letters, 29 selfloop transitions, 1 changer transitions 0/46 dead transitions.
[2024-11-24 01:29:53,039 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 46 transitions, 161 flow
[2024-11-24 01:29:53,040 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:29:53,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:29:53,055 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions.
[2024-11-24 01:29:53,059 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.48945147679324896
[2024-11-24 01:29:53,062 INFO  L175             Difference]: Start difference. First operand has 84 places, 76 transitions, 161 flow. Second operand 3 states and 116 transitions.
[2024-11-24 01:29:53,063 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 46 transitions, 161 flow
[2024-11-24 01:29:53,070 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 46 transitions, 158 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-24 01:29:53,078 INFO  L231             Difference]: Finished difference. Result has 55 places, 46 transitions, 100 flow
[2024-11-24 01:29:53,081 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=55, PETRI_TRANSITIONS=46}
[2024-11-24 01:29:53,087 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -29 predicate places.
[2024-11-24 01:29:53,087 INFO  L471      AbstractCegarLoop]: Abstraction has has 55 places, 46 transitions, 100 flow
[2024-11-24 01:29:53,088 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:29:53,088 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:53,088 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-24 01:29:53,089 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 01:29:53,089 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:53,090 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:53,090 INFO  L85        PathProgramCache]: Analyzing trace with hash 21804363, now seen corresponding path program 1 times
[2024-11-24 01:29:53,091 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:53,091 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075461012]
[2024-11-24 01:29:53,092 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:53,092 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:53,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:53,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:53,394 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:53,394 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075461012]
[2024-11-24 01:29:53,394 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075461012] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:53,394 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:53,395 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 01:29:53,395 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237897204]
[2024-11-24 01:29:53,395 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:53,396 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:29:53,396 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:53,396 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:29:53,397 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:29:53,401 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:29:53,402 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 46 transitions, 100 flow. Second operand  has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:29:53,402 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:53,402 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:29:53,402 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:29:53,872 INFO  L124   PetriNetUnfolderBase]: 818/1456 cut-off events.
[2024-11-24 01:29:53,873 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:29:53,879 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2725 conditions, 1456 events. 818/1456 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9798 event pairs, 818 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 2719. Up to 1239 conditions per place. 
[2024-11-24 01:29:53,887 INFO  L140   encePairwiseOnDemand]: 71/79 looper letters, 21 selfloop transitions, 1 changer transitions 1/39 dead transitions.
[2024-11-24 01:29:53,887 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 39 transitions, 132 flow
[2024-11-24 01:29:53,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:29:53,888 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:29:53,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions.
[2024-11-24 01:29:53,890 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.3670886075949367
[2024-11-24 01:29:53,890 INFO  L175             Difference]: Start difference. First operand has 55 places, 46 transitions, 100 flow. Second operand 3 states and 87 transitions.
[2024-11-24 01:29:53,890 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 39 transitions, 132 flow
[2024-11-24 01:29:53,891 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 39 transitions, 131 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:29:53,892 INFO  L231             Difference]: Finished difference. Result has 49 places, 38 transitions, 85 flow
[2024-11-24 01:29:53,894 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=49, PETRI_TRANSITIONS=38}
[2024-11-24 01:29:53,894 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -35 predicate places.
[2024-11-24 01:29:53,895 INFO  L471      AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 85 flow
[2024-11-24 01:29:53,895 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:29:53,895 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:53,895 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:29:53,895 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:29:53,895 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:53,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:53,896 INFO  L85        PathProgramCache]: Analyzing trace with hash -82607636, now seen corresponding path program 1 times
[2024-11-24 01:29:53,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:53,896 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337570409]
[2024-11-24 01:29:53,896 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:53,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:53,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:54,223 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:54,225 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:54,225 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337570409]
[2024-11-24 01:29:54,225 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337570409] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:54,225 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:54,225 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 01:29:54,226 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046344492]
[2024-11-24 01:29:54,226 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:54,226 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:29:54,226 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:54,227 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:29:54,227 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:29:54,230 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:29:54,230 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 85 flow. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-11-24 01:29:54,231 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:54,231 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:29:54,231 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:29:54,766 INFO  L124   PetriNetUnfolderBase]: 685/1362 cut-off events.
[2024-11-24 01:29:54,766 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:29:54,771 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 1362 events. 685/1362 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8980 event pairs, 253 based on Foata normal form. 0/1284 useless extension candidates. Maximal degree in co-relation 2432. Up to 813 conditions per place. 
[2024-11-24 01:29:54,780 INFO  L140   encePairwiseOnDemand]: 75/79 looper letters, 36 selfloop transitions, 2 changer transitions 0/54 dead transitions.
[2024-11-24 01:29:54,780 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 197 flow
[2024-11-24 01:29:54,781 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:29:54,781 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:29:54,784 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions.
[2024-11-24 01:29:54,785 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.4092827004219409
[2024-11-24 01:29:54,786 INFO  L175             Difference]: Start difference. First operand has 49 places, 38 transitions, 85 flow. Second operand 3 states and 97 transitions.
[2024-11-24 01:29:54,786 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 197 flow
[2024-11-24 01:29:54,787 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 54 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:29:54,789 INFO  L231             Difference]: Finished difference. Result has 50 places, 38 transitions, 94 flow
[2024-11-24 01:29:54,790 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=50, PETRI_TRANSITIONS=38}
[2024-11-24 01:29:54,791 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -34 predicate places.
[2024-11-24 01:29:54,792 INFO  L471      AbstractCegarLoop]: Abstraction has has 50 places, 38 transitions, 94 flow
[2024-11-24 01:29:54,792 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-11-24 01:29:54,792 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:54,792 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:29:54,793 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 01:29:54,793 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:54,794 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:54,794 INFO  L85        PathProgramCache]: Analyzing trace with hash -2076444609, now seen corresponding path program 1 times
[2024-11-24 01:29:54,795 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:54,795 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028973111]
[2024-11-24 01:29:54,795 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:54,795 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:54,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:55,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:55,104 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:55,104 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028973111]
[2024-11-24 01:29:55,104 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028973111] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:55,104 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:55,104 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:29:55,104 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616696800]
[2024-11-24 01:29:55,104 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:55,105 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:29:55,105 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:55,105 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:29:55,105 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:29:55,113 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:29:55,114 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 38 transitions, 94 flow. Second operand  has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:29:55,114 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:55,114 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:29:55,114 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:29:55,623 INFO  L124   PetriNetUnfolderBase]: 639/1360 cut-off events.
[2024-11-24 01:29:55,623 INFO  L125   PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES.
[2024-11-24 01:29:55,629 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2601 conditions, 1360 events. 639/1360 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 9588 event pairs, 141 based on Foata normal form. 0/1342 useless extension candidates. Maximal degree in co-relation 2592. Up to 742 conditions per place. 
[2024-11-24 01:29:55,636 INFO  L140   encePairwiseOnDemand]: 76/79 looper letters, 35 selfloop transitions, 2 changer transitions 0/53 dead transitions.
[2024-11-24 01:29:55,637 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 53 transitions, 200 flow
[2024-11-24 01:29:55,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:29:55,637 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:29:55,638 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions.
[2024-11-24 01:29:55,638 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.36075949367088606
[2024-11-24 01:29:55,638 INFO  L175             Difference]: Start difference. First operand has 50 places, 38 transitions, 94 flow. Second operand 4 states and 114 transitions.
[2024-11-24 01:29:55,639 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 53 transitions, 200 flow
[2024-11-24 01:29:55,640 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 53 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 01:29:55,640 INFO  L231             Difference]: Finished difference. Result has 50 places, 37 transitions, 90 flow
[2024-11-24 01:29:55,641 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, 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=4, PETRI_FLOW=90, PETRI_PLACES=50, PETRI_TRANSITIONS=37}
[2024-11-24 01:29:55,644 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -34 predicate places.
[2024-11-24 01:29:55,645 INFO  L471      AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 90 flow
[2024-11-24 01:29:55,645 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:29:55,645 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:55,645 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:29:55,647 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:29:55,647 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:55,648 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:55,648 INFO  L85        PathProgramCache]: Analyzing trace with hash -2076444608, now seen corresponding path program 1 times
[2024-11-24 01:29:55,649 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:55,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151538406]
[2024-11-24 01:29:55,649 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:55,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:55,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:56,186 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:56,186 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:56,186 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151538406]
[2024-11-24 01:29:56,186 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151538406] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:56,187 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:56,187 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:29:56,187 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124307177]
[2024-11-24 01:29:56,187 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:56,187 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:29:56,188 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:56,189 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:29:56,189 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:29:56,191 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:29:56,191 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 90 flow. Second operand  has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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)
[2024-11-24 01:29:56,191 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:56,191 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:29:56,191 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:29:56,589 INFO  L124   PetriNetUnfolderBase]: 593/1222 cut-off events.
[2024-11-24 01:29:56,589 INFO  L125   PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES.
[2024-11-24 01:29:56,593 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2369 conditions, 1222 events. 593/1222 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7916 event pairs, 197 based on Foata normal form. 24/1240 useless extension candidates. Maximal degree in co-relation 2360. Up to 672 conditions per place. 
[2024-11-24 01:29:56,600 INFO  L140   encePairwiseOnDemand]: 76/79 looper letters, 34 selfloop transitions, 2 changer transitions 0/52 dead transitions.
[2024-11-24 01:29:56,600 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 52 transitions, 194 flow
[2024-11-24 01:29:56,601 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:29:56,601 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:29:56,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions.
[2024-11-24 01:29:56,604 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.3575949367088608
[2024-11-24 01:29:56,604 INFO  L175             Difference]: Start difference. First operand has 50 places, 37 transitions, 90 flow. Second operand 4 states and 113 transitions.
[2024-11-24 01:29:56,604 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 52 transitions, 194 flow
[2024-11-24 01:29:56,607 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 189 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-24 01:29:56,608 INFO  L231             Difference]: Finished difference. Result has 49 places, 36 transitions, 85 flow
[2024-11-24 01:29:56,609 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=85, PETRI_PLACES=49, PETRI_TRANSITIONS=36}
[2024-11-24 01:29:56,612 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -35 predicate places.
[2024-11-24 01:29:56,612 INFO  L471      AbstractCegarLoop]: Abstraction has has 49 places, 36 transitions, 85 flow
[2024-11-24 01:29:56,613 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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)
[2024-11-24 01:29:56,613 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:56,613 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:29:56,613 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 01:29:56,613 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:56,614 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:56,614 INFO  L85        PathProgramCache]: Analyzing trace with hash 1640065352, now seen corresponding path program 1 times
[2024-11-24 01:29:56,614 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:56,614 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459912414]
[2024-11-24 01:29:56,617 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:56,618 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:56,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:56,717 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:56,717 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:56,717 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459912414]
[2024-11-24 01:29:56,717 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459912414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:56,718 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:56,718 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 01:29:56,718 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107200169]
[2024-11-24 01:29:56,719 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:56,719 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:29:56,719 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:56,720 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:29:56,720 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:29:56,721 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 79
[2024-11-24 01:29:56,721 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 85 flow. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-11-24 01:29:56,721 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:56,721 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 79
[2024-11-24 01:29:56,721 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:29:57,024 INFO  L124   PetriNetUnfolderBase]: 593/1087 cut-off events.
[2024-11-24 01:29:57,024 INFO  L125   PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES.
[2024-11-24 01:29:57,028 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2233 conditions, 1087 events. 593/1087 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6984 event pairs, 593 based on Foata normal form. 36/1107 useless extension candidates. Maximal degree in co-relation 2225. Up to 906 conditions per place. 
[2024-11-24 01:29:57,033 INFO  L140   encePairwiseOnDemand]: 77/79 looper letters, 18 selfloop transitions, 1 changer transitions 1/35 dead transitions.
[2024-11-24 01:29:57,033 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 35 transitions, 123 flow
[2024-11-24 01:29:57,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:29:57,034 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:29:57,034 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions.
[2024-11-24 01:29:57,034 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.31645569620253167
[2024-11-24 01:29:57,035 INFO  L175             Difference]: Start difference. First operand has 49 places, 36 transitions, 85 flow. Second operand 3 states and 75 transitions.
[2024-11-24 01:29:57,035 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 35 transitions, 123 flow
[2024-11-24 01:29:57,035 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 35 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 01:29:57,036 INFO  L231             Difference]: Finished difference. Result has 48 places, 34 transitions, 80 flow
[2024-11-24 01:29:57,037 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=48, PETRI_TRANSITIONS=34}
[2024-11-24 01:29:57,038 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -36 predicate places.
[2024-11-24 01:29:57,040 INFO  L471      AbstractCegarLoop]: Abstraction has has 48 places, 34 transitions, 80 flow
[2024-11-24 01:29:57,040 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-11-24 01:29:57,040 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:57,041 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:29:57,041 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 01:29:57,041 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:57,041 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:57,042 INFO  L85        PathProgramCache]: Analyzing trace with hash 1640064561, now seen corresponding path program 1 times
[2024-11-24 01:29:57,042 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:57,042 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804524309]
[2024-11-24 01:29:57,042 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:57,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:57,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:57,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:57,532 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:57,532 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804524309]
[2024-11-24 01:29:57,532 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804524309] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:57,532 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:57,533 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:29:57,533 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033517984]
[2024-11-24 01:29:57,533 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:57,533 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:29:57,533 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:57,534 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:29:57,534 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:29:57,537 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 79
[2024-11-24 01:29:57,538 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 34 transitions, 80 flow. Second operand  has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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)
[2024-11-24 01:29:57,539 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:57,539 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 79
[2024-11-24 01:29:57,540 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:29:58,179 INFO  L124   PetriNetUnfolderBase]: 678/1291 cut-off events.
[2024-11-24 01:29:58,179 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:29:58,184 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2558 conditions, 1291 events. 678/1291 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8413 event pairs, 181 based on Foata normal form. 0/1233 useless extension candidates. Maximal degree in co-relation 2550. Up to 555 conditions per place. 
[2024-11-24 01:29:58,188 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 29 selfloop transitions, 2 changer transitions 36/81 dead transitions.
[2024-11-24 01:29:58,189 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 81 transitions, 316 flow
[2024-11-24 01:29:58,189 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-24 01:29:58,189 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-24 01:29:58,191 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 213 transitions.
[2024-11-24 01:29:58,191 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.3370253164556962
[2024-11-24 01:29:58,191 INFO  L175             Difference]: Start difference. First operand has 48 places, 34 transitions, 80 flow. Second operand 8 states and 213 transitions.
[2024-11-24 01:29:58,191 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 81 transitions, 316 flow
[2024-11-24 01:29:58,193 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 81 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:29:58,194 INFO  L231             Difference]: Finished difference. Result has 58 places, 33 transitions, 93 flow
[2024-11-24 01:29:58,195 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=93, PETRI_PLACES=58, PETRI_TRANSITIONS=33}
[2024-11-24 01:29:58,196 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -26 predicate places.
[2024-11-24 01:29:58,198 INFO  L471      AbstractCegarLoop]: Abstraction has has 58 places, 33 transitions, 93 flow
[2024-11-24 01:29:58,199 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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)
[2024-11-24 01:29:58,199 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:58,199 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:29:58,199 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 01:29:58,199 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:58,200 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:58,200 INFO  L85        PathProgramCache]: Analyzing trace with hash -1706001660, now seen corresponding path program 1 times
[2024-11-24 01:29:58,200 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:58,200 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686462273]
[2024-11-24 01:29:58,200 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:58,200 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:58,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:58,574 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:58,574 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:58,574 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686462273]
[2024-11-24 01:29:58,574 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686462273] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:58,574 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:58,574 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:29:58,574 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215237549]
[2024-11-24 01:29:58,574 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:58,575 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:29:58,575 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:58,575 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:29:58,575 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:29:58,596 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79
[2024-11-24 01:29:58,597 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 33 transitions, 93 flow. Second operand  has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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)
[2024-11-24 01:29:58,597 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:58,597 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79
[2024-11-24 01:29:58,597 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:29:59,255 INFO  L124   PetriNetUnfolderBase]: 1010/1950 cut-off events.
[2024-11-24 01:29:59,256 INFO  L125   PetriNetUnfolderBase]: For 414/414 co-relation queries the response was YES.
[2024-11-24 01:29:59,263 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4155 conditions, 1950 events. 1010/1950 cut-off events. For 414/414 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 12812 event pairs, 247 based on Foata normal form. 48/1959 useless extension candidates. Maximal degree in co-relation 4141. Up to 1198 conditions per place. 
[2024-11-24 01:29:59,271 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 31 selfloop transitions, 3 changer transitions 29/75 dead transitions.
[2024-11-24 01:29:59,272 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 75 transitions, 322 flow
[2024-11-24 01:29:59,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-24 01:29:59,272 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-24 01:29:59,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 177 transitions.
[2024-11-24 01:29:59,274 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.32007233273056057
[2024-11-24 01:29:59,274 INFO  L175             Difference]: Start difference. First operand has 58 places, 33 transitions, 93 flow. Second operand 7 states and 177 transitions.
[2024-11-24 01:29:59,274 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 75 transitions, 322 flow
[2024-11-24 01:29:59,287 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 75 transitions, 300 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-24 01:29:59,288 INFO  L231             Difference]: Finished difference. Result has 57 places, 35 transitions, 116 flow
[2024-11-24 01:29:59,288 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=116, PETRI_PLACES=57, PETRI_TRANSITIONS=35}
[2024-11-24 01:29:59,289 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -27 predicate places.
[2024-11-24 01:29:59,289 INFO  L471      AbstractCegarLoop]: Abstraction has has 57 places, 35 transitions, 116 flow
[2024-11-24 01:29:59,290 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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)
[2024-11-24 01:29:59,290 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:29:59,290 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:29:59,290 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 01:29:59,290 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:29:59,291 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:29:59,291 INFO  L85        PathProgramCache]: Analyzing trace with hash -303582826, now seen corresponding path program 1 times
[2024-11-24 01:29:59,291 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:29:59,291 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754703746]
[2024-11-24 01:29:59,291 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:29:59,291 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:29:59,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:29:59,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:29:59,653 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:29:59,653 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754703746]
[2024-11-24 01:29:59,653 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754703746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:29:59,653 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:29:59,653 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:29:59,654 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809161439]
[2024-11-24 01:29:59,654 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:29:59,654 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:29:59,654 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:29:59,655 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:29:59,655 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:29:59,664 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79
[2024-11-24 01:29:59,665 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 35 transitions, 116 flow. Second operand  has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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)
[2024-11-24 01:29:59,665 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:29:59,666 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79
[2024-11-24 01:29:59,666 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:00,538 INFO  L124   PetriNetUnfolderBase]: 1276/2394 cut-off events.
[2024-11-24 01:30:00,539 INFO  L125   PetriNetUnfolderBase]: For 1106/1106 co-relation queries the response was YES.
[2024-11-24 01:30:00,548 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5682 conditions, 2394 events. 1276/2394 cut-off events. For 1106/1106 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 17022 event pairs, 556 based on Foata normal form. 56/2436 useless extension candidates. Maximal degree in co-relation 5667. Up to 1012 conditions per place. 
[2024-11-24 01:30:00,563 INFO  L140   encePairwiseOnDemand]: 74/79 looper letters, 35 selfloop transitions, 3 changer transitions 29/79 dead transitions.
[2024-11-24 01:30:00,564 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 79 transitions, 374 flow
[2024-11-24 01:30:00,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-24 01:30:00,565 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-24 01:30:00,566 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 180 transitions.
[2024-11-24 01:30:00,566 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.325497287522604
[2024-11-24 01:30:00,567 INFO  L175             Difference]: Start difference. First operand has 57 places, 35 transitions, 116 flow. Second operand 7 states and 180 transitions.
[2024-11-24 01:30:00,567 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 79 transitions, 374 flow
[2024-11-24 01:30:00,582 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 79 transitions, 353 flow, removed 9 selfloop flow, removed 3 redundant places.
[2024-11-24 01:30:00,584 INFO  L231             Difference]: Finished difference. Result has 61 places, 35 transitions, 126 flow
[2024-11-24 01:30:00,585 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=50, 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=7, PETRI_FLOW=126, PETRI_PLACES=61, PETRI_TRANSITIONS=35}
[2024-11-24 01:30:00,586 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -23 predicate places.
[2024-11-24 01:30:00,587 INFO  L471      AbstractCegarLoop]: Abstraction has has 61 places, 35 transitions, 126 flow
[2024-11-24 01:30:00,587 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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)
[2024-11-24 01:30:00,587 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:00,587 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:00,587 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 01:30:00,588 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:00,588 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:00,588 INFO  L85        PathProgramCache]: Analyzing trace with hash -376267997, now seen corresponding path program 1 times
[2024-11-24 01:30:00,588 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:30:00,589 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212170191]
[2024-11-24 01:30:00,589 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:00,589 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:30:00,627 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:00,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:00,959 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:30:00,959 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212170191]
[2024-11-24 01:30:00,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212170191] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:00,960 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:00,960 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:30:00,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761245578]
[2024-11-24 01:30:00,960 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:00,960 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:30:00,961 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:30:00,961 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:30:00,961 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:30:00,968 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 17 out of 79
[2024-11-24 01:30:00,969 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 35 transitions, 126 flow. Second operand  has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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)
[2024-11-24 01:30:00,969 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:00,969 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 79
[2024-11-24 01:30:00,969 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:01,698 INFO  L124   PetriNetUnfolderBase]: 1195/2290 cut-off events.
[2024-11-24 01:30:01,699 INFO  L125   PetriNetUnfolderBase]: For 1951/1991 co-relation queries the response was YES.
[2024-11-24 01:30:01,707 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5362 conditions, 2290 events. 1195/2290 cut-off events. For 1951/1991 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 16372 event pairs, 263 based on Foata normal form. 80/2281 useless extension candidates. Maximal degree in co-relation 5344. Up to 1289 conditions per place. 
[2024-11-24 01:30:01,714 INFO  L140   encePairwiseOnDemand]: 74/79 looper letters, 28 selfloop transitions, 2 changer transitions 25/70 dead transitions.
[2024-11-24 01:30:01,714 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 70 transitions, 329 flow
[2024-11-24 01:30:01,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-24 01:30:01,714 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-24 01:30:01,715 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 176 transitions.
[2024-11-24 01:30:01,716 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.3182640144665461
[2024-11-24 01:30:01,716 INFO  L175             Difference]: Start difference. First operand has 61 places, 35 transitions, 126 flow. Second operand 7 states and 176 transitions.
[2024-11-24 01:30:01,716 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 70 transitions, 329 flow
[2024-11-24 01:30:01,726 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 70 transitions, 306 flow, removed 10 selfloop flow, removed 5 redundant places.
[2024-11-24 01:30:01,728 INFO  L231             Difference]: Finished difference. Result has 63 places, 35 transitions, 127 flow
[2024-11-24 01:30:01,728 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=127, PETRI_PLACES=63, PETRI_TRANSITIONS=35}
[2024-11-24 01:30:01,729 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -21 predicate places.
[2024-11-24 01:30:01,729 INFO  L471      AbstractCegarLoop]: Abstraction has has 63 places, 35 transitions, 127 flow
[2024-11-24 01:30:01,729 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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)
[2024-11-24 01:30:01,729 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:01,729 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:01,730 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 01:30:01,730 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:01,730 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:01,730 INFO  L85        PathProgramCache]: Analyzing trace with hash 1319012049, now seen corresponding path program 1 times
[2024-11-24 01:30:01,731 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:30:01,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528747063]
[2024-11-24 01:30:01,731 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:01,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:30:01,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:02,982 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:02,983 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:30:02,983 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528747063]
[2024-11-24 01:30:02,983 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528747063] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:02,983 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:02,983 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 01:30:02,983 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876786737]
[2024-11-24 01:30:02,984 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:02,984 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 01:30:02,984 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:30:02,985 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 01:30:02,987 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:30:02,989 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 79
[2024-11-24 01:30:02,989 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 35 transitions, 127 flow. Second operand  has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 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)
[2024-11-24 01:30:02,989 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:02,989 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 79
[2024-11-24 01:30:02,990 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:03,826 INFO  L124   PetriNetUnfolderBase]: 852/1672 cut-off events.
[2024-11-24 01:30:03,826 INFO  L125   PetriNetUnfolderBase]: For 1597/1615 co-relation queries the response was YES.
[2024-11-24 01:30:03,833 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4080 conditions, 1672 events. 852/1672 cut-off events. For 1597/1615 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 11504 event pairs, 154 based on Foata normal form. 60/1690 useless extension candidates. Maximal degree in co-relation 4060. Up to 862 conditions per place. 
[2024-11-24 01:30:03,838 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 32 selfloop transitions, 4 changer transitions 21/73 dead transitions.
[2024-11-24 01:30:03,838 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 73 transitions, 344 flow
[2024-11-24 01:30:03,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-24 01:30:03,839 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-24 01:30:03,840 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 203 transitions.
[2024-11-24 01:30:03,840 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.3212025316455696
[2024-11-24 01:30:03,841 INFO  L175             Difference]: Start difference. First operand has 63 places, 35 transitions, 127 flow. Second operand 8 states and 203 transitions.
[2024-11-24 01:30:03,841 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 73 transitions, 344 flow
[2024-11-24 01:30:03,850 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 73 transitions, 324 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-24 01:30:03,851 INFO  L231             Difference]: Finished difference. Result has 66 places, 37 transitions, 147 flow
[2024-11-24 01:30:03,851 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=147, PETRI_PLACES=66, PETRI_TRANSITIONS=37}
[2024-11-24 01:30:03,852 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -18 predicate places.
[2024-11-24 01:30:03,852 INFO  L471      AbstractCegarLoop]: Abstraction has has 66 places, 37 transitions, 147 flow
[2024-11-24 01:30:03,853 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 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)
[2024-11-24 01:30:03,853 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:03,853 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:03,853 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 01:30:03,853 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:03,854 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:03,854 INFO  L85        PathProgramCache]: Analyzing trace with hash -1375195782, now seen corresponding path program 1 times
[2024-11-24 01:30:03,854 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:30:03,854 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118469333]
[2024-11-24 01:30:03,854 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:03,855 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:30:03,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:04,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:04,117 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:30:04,117 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118469333]
[2024-11-24 01:30:04,118 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118469333] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:04,118 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:04,118 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:30:04,118 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746753133]
[2024-11-24 01:30:04,118 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:04,118 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:30:04,119 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:30:04,119 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:30:04,119 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:30:04,132 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 79
[2024-11-24 01:30:04,132 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 37 transitions, 147 flow. Second operand  has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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)
[2024-11-24 01:30:04,133 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:04,133 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 79
[2024-11-24 01:30:04,133 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:04,894 INFO  L124   PetriNetUnfolderBase]: 2083/3404 cut-off events.
[2024-11-24 01:30:04,895 INFO  L125   PetriNetUnfolderBase]: For 1816/1840 co-relation queries the response was YES.
[2024-11-24 01:30:04,915 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 8397 conditions, 3404 events. 2083/3404 cut-off events. For 1816/1840 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 20826 event pairs, 291 based on Foata normal form. 135/3483 useless extension candidates. Maximal degree in co-relation 8375. Up to 1911 conditions per place. 
[2024-11-24 01:30:04,924 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 46 selfloop transitions, 5 changer transitions 1/64 dead transitions.
[2024-11-24 01:30:04,925 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 64 transitions, 345 flow
[2024-11-24 01:30:04,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:30:04,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:30:04,926 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions.
[2024-11-24 01:30:04,926 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.34177215189873417
[2024-11-24 01:30:04,926 INFO  L175             Difference]: Start difference. First operand has 66 places, 37 transitions, 147 flow. Second operand 4 states and 108 transitions.
[2024-11-24 01:30:04,926 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 64 transitions, 345 flow
[2024-11-24 01:30:04,938 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 64 transitions, 330 flow, removed 4 selfloop flow, removed 5 redundant places.
[2024-11-24 01:30:04,939 INFO  L231             Difference]: Finished difference. Result has 62 places, 40 transitions, 170 flow
[2024-11-24 01:30:04,939 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=62, PETRI_TRANSITIONS=40}
[2024-11-24 01:30:04,940 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -22 predicate places.
[2024-11-24 01:30:04,940 INFO  L471      AbstractCegarLoop]: Abstraction has has 62 places, 40 transitions, 170 flow
[2024-11-24 01:30:04,941 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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)
[2024-11-24 01:30:04,941 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:04,941 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:04,941 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 01:30:04,941 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:04,942 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:04,942 INFO  L85        PathProgramCache]: Analyzing trace with hash 2143098395, now seen corresponding path program 1 times
[2024-11-24 01:30:04,942 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:30:04,942 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692791026]
[2024-11-24 01:30:04,942 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:04,943 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:30:05,027 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:05,247 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:05,247 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:30:05,248 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692791026]
[2024-11-24 01:30:05,248 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692791026] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:05,248 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:05,248 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:30:05,248 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85931491]
[2024-11-24 01:30:05,248 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:05,249 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:30:05,249 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:30:05,249 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:30:05,249 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:30:05,260 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 79
[2024-11-24 01:30:05,261 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 40 transitions, 170 flow. Second operand  has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:05,261 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:05,261 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 79
[2024-11-24 01:30:05,261 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:05,868 INFO  L124   PetriNetUnfolderBase]: 1382/2284 cut-off events.
[2024-11-24 01:30:05,868 INFO  L125   PetriNetUnfolderBase]: For 1299/1303 co-relation queries the response was YES.
[2024-11-24 01:30:05,879 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 6134 conditions, 2284 events. 1382/2284 cut-off events. For 1299/1303 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 12696 event pairs, 114 based on Foata normal form. 120/2368 useless extension candidates. Maximal degree in co-relation 6113. Up to 933 conditions per place. 
[2024-11-24 01:30:05,886 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 54 selfloop transitions, 8 changer transitions 1/75 dead transitions.
[2024-11-24 01:30:05,886 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 75 transitions, 417 flow
[2024-11-24 01:30:05,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:30:05,887 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 01:30:05,888 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions.
[2024-11-24 01:30:05,888 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.34430379746835443
[2024-11-24 01:30:05,888 INFO  L175             Difference]: Start difference. First operand has 62 places, 40 transitions, 170 flow. Second operand 5 states and 136 transitions.
[2024-11-24 01:30:05,888 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 75 transitions, 417 flow
[2024-11-24 01:30:05,892 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 75 transitions, 407 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-24 01:30:05,893 INFO  L231             Difference]: Finished difference. Result has 66 places, 43 transitions, 210 flow
[2024-11-24 01:30:05,893 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=210, PETRI_PLACES=66, PETRI_TRANSITIONS=43}
[2024-11-24 01:30:05,894 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -18 predicate places.
[2024-11-24 01:30:05,894 INFO  L471      AbstractCegarLoop]: Abstraction has has 66 places, 43 transitions, 210 flow
[2024-11-24 01:30:05,894 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:05,895 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:05,895 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:05,895 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-24 01:30:05,895 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:05,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:05,896 INFO  L85        PathProgramCache]: Analyzing trace with hash 1669553794, now seen corresponding path program 1 times
[2024-11-24 01:30:05,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:30:05,896 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758721346]
[2024-11-24 01:30:05,896 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:05,896 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:30:05,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:06,226 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:06,227 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:30:06,227 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758721346]
[2024-11-24 01:30:06,227 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758721346] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:06,227 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:06,227 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:30:06,227 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644167448]
[2024-11-24 01:30:06,228 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:06,228 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:30:06,228 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:30:06,228 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:30:06,229 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:30:06,237 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 79
[2024-11-24 01:30:06,238 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 43 transitions, 210 flow. Second operand  has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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)
[2024-11-24 01:30:06,238 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:06,238 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 79
[2024-11-24 01:30:06,238 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:06,697 INFO  L124   PetriNetUnfolderBase]: 800/1310 cut-off events.
[2024-11-24 01:30:06,697 INFO  L125   PetriNetUnfolderBase]: For 1455/1455 co-relation queries the response was YES.
[2024-11-24 01:30:06,705 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3924 conditions, 1310 events. 800/1310 cut-off events. For 1455/1455 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6391 event pairs, 66 based on Foata normal form. 68/1346 useless extension candidates. Maximal degree in co-relation 3901. Up to 496 conditions per place. 
[2024-11-24 01:30:06,708 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 45 selfloop transitions, 11 changer transitions 4/72 dead transitions.
[2024-11-24 01:30:06,708 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 72 transitions, 421 flow
[2024-11-24 01:30:06,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 01:30:06,709 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:30:06,710 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 148 transitions.
[2024-11-24 01:30:06,710 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.31223628691983124
[2024-11-24 01:30:06,710 INFO  L175             Difference]: Start difference. First operand has 66 places, 43 transitions, 210 flow. Second operand 6 states and 148 transitions.
[2024-11-24 01:30:06,710 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 72 transitions, 421 flow
[2024-11-24 01:30:06,716 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 72 transitions, 367 flow, removed 12 selfloop flow, removed 9 redundant places.
[2024-11-24 01:30:06,718 INFO  L231             Difference]: Finished difference. Result has 64 places, 43 transitions, 201 flow
[2024-11-24 01:30:06,718 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=201, PETRI_PLACES=64, PETRI_TRANSITIONS=43}
[2024-11-24 01:30:06,720 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -20 predicate places.
[2024-11-24 01:30:06,720 INFO  L471      AbstractCegarLoop]: Abstraction has has 64 places, 43 transitions, 201 flow
[2024-11-24 01:30:06,720 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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)
[2024-11-24 01:30:06,720 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:06,721 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:06,721 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-24 01:30:06,721 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:06,723 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:06,723 INFO  L85        PathProgramCache]: Analyzing trace with hash 884823844, now seen corresponding path program 1 times
[2024-11-24 01:30:06,723 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:30:06,723 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761342289]
[2024-11-24 01:30:06,723 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:06,723 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:30:06,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:30:06,892 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:30:07,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:30:07,100 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 01:30:07,100 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-24 01:30:07,102 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (70 of 71 remaining)
[2024-11-24 01:30:07,104 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 71 remaining)
[2024-11-24 01:30:07,104 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 71 remaining)
[2024-11-24 01:30:07,104 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 71 remaining)
[2024-11-24 01:30:07,104 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 71 remaining)
[2024-11-24 01:30:07,104 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 71 remaining)
[2024-11-24 01:30:07,104 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 71 remaining)
[2024-11-24 01:30:07,104 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 71 remaining)
[2024-11-24 01:30:07,105 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 71 remaining)
[2024-11-24 01:30:07,105 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 71 remaining)
[2024-11-24 01:30:07,105 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 71 remaining)
[2024-11-24 01:30:07,105 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 71 remaining)
[2024-11-24 01:30:07,105 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 71 remaining)
[2024-11-24 01:30:07,106 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 71 remaining)
[2024-11-24 01:30:07,106 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 71 remaining)
[2024-11-24 01:30:07,106 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 71 remaining)
[2024-11-24 01:30:07,107 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 71 remaining)
[2024-11-24 01:30:07,107 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 71 remaining)
[2024-11-24 01:30:07,107 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 71 remaining)
[2024-11-24 01:30:07,107 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 71 remaining)
[2024-11-24 01:30:07,107 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 71 remaining)
[2024-11-24 01:30:07,107 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 71 remaining)
[2024-11-24 01:30:07,107 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 71 remaining)
[2024-11-24 01:30:07,107 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 71 remaining)
[2024-11-24 01:30:07,108 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 71 remaining)
[2024-11-24 01:30:07,108 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 71 remaining)
[2024-11-24 01:30:07,108 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 71 remaining)
[2024-11-24 01:30:07,108 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 71 remaining)
[2024-11-24 01:30:07,108 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (33 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 71 remaining)
[2024-11-24 01:30:07,109 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 71 remaining)
[2024-11-24 01:30:07,110 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 71 remaining)
[2024-11-24 01:30:07,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 71 remaining)
[2024-11-24 01:30:07,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 71 remaining)
[2024-11-24 01:30:07,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 71 remaining)
[2024-11-24 01:30:07,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 71 remaining)
[2024-11-24 01:30:07,111 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 71 remaining)
[2024-11-24 01:30:07,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 71 remaining)
[2024-11-24 01:30:07,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 71 remaining)
[2024-11-24 01:30:07,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 71 remaining)
[2024-11-24 01:30:07,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 71 remaining)
[2024-11-24 01:30:07,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 71 remaining)
[2024-11-24 01:30:07,112 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 71 remaining)
[2024-11-24 01:30:07,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 71 remaining)
[2024-11-24 01:30:07,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 71 remaining)
[2024-11-24 01:30:07,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 71 remaining)
[2024-11-24 01:30:07,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 71 remaining)
[2024-11-24 01:30:07,113 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 71 remaining)
[2024-11-24 01:30:07,113 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-24 01:30:07,114 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:07,257 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 01:30:07,257 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:30:07,264 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:30:07 BasicIcfg
[2024-11-24 01:30:07,264 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:30:07,265 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:30:07,265 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:30:07,265 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-24 01:30:07,266 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:49" (3/4) ...
[2024-11-24 01:30:07,269 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-11-24 01:30:07,270 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:30:07,271 INFO  L158              Benchmark]: Toolchain (without parser) took 20382.26ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 104.0MB in the beginning and 271.0MB in the end (delta: -167.0MB). Peak memory consumption was 223.2MB. Max. memory is 16.1GB.
[2024-11-24 01:30:07,271 INFO  L158              Benchmark]: CDTParser took 1.61ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:30:07,271 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 724.05ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 80.0MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 01:30:07,272 INFO  L158              Benchmark]: Boogie Procedure Inliner took 76.06ms. Allocated memory is still 142.6MB. Free memory was 80.0MB in the beginning and 77.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:30:07,272 INFO  L158              Benchmark]: Boogie Preprocessor took 92.72ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 74.2MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:30:07,272 INFO  L158              Benchmark]: RCFGBuilder took 2010.38ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 79.0MB in the end (delta: -4.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB.
[2024-11-24 01:30:07,273 INFO  L158              Benchmark]: TraceAbstraction took 17467.01ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 78.2MB in the beginning and 271.1MB in the end (delta: -192.9MB). Peak memory consumption was 190.0MB. Max. memory is 16.1GB.
[2024-11-24 01:30:07,273 INFO  L158              Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 528.5MB. Free memory was 271.1MB in the beginning and 271.0MB in the end (delta: 70.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:30:07,275 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.61ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 724.05ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 80.0MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 76.06ms. Allocated memory is still 142.6MB. Free memory was 80.0MB in the beginning and 77.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 92.72ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 74.2MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 2010.38ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 79.0MB in the end (delta: -4.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 17467.01ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 78.2MB in the beginning and 271.1MB in the end (delta: -192.9MB). Peak memory consumption was 190.0MB. Max. memory is 16.1GB.
 * Witness Printer took 4.84ms. Allocated memory is still 528.5MB. Free memory was 271.1MB in the beginning and 271.0MB in the end (delta: 70.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: overapproximation of memtrack at line 18. 
Possible FailurePath: 
[L710]               0  int __unbuffered_cnt = 0;
[L712]               0  int __unbuffered_p0_EAX = 0;
[L713]               0  _Bool __unbuffered_p0_EAX$flush_delayed;
[L714]               0  int __unbuffered_p0_EAX$mem_tmp;
[L715]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd0;
[L716]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd1;
[L717]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd2;
[L718]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd3;
[L719]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd0;
[L720]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd1;
[L721]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd2;
[L722]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd3;
[L723]               0  _Bool __unbuffered_p0_EAX$read_delayed;
[L724]               0  int *__unbuffered_p0_EAX$read_delayed_var;
[L725]               0  int __unbuffered_p0_EAX$w_buff0;
[L726]               0  _Bool __unbuffered_p0_EAX$w_buff0_used;
[L727]               0  int __unbuffered_p0_EAX$w_buff1;
[L728]               0  _Bool __unbuffered_p0_EAX$w_buff1_used;
[L730]               0  int __unbuffered_p1_EAX = 0;
[L732]               0  int __unbuffered_p1_EBX = 0;
[L733]               0  _Bool main$tmp_guard0;
[L734]               0  _Bool main$tmp_guard1;
[L736]               0  int x = 0;
[L736]               0  int x = 0;
[L737]               0  _Bool x$flush_delayed;
[L738]               0  int x$mem_tmp;
[L739]               0  _Bool x$r_buff0_thd0;
[L740]               0  _Bool x$r_buff0_thd1;
[L741]               0  _Bool x$r_buff0_thd2;
[L742]               0  _Bool x$r_buff0_thd3;
[L743]               0  _Bool x$r_buff1_thd0;
[L744]               0  _Bool x$r_buff1_thd1;
[L745]               0  _Bool x$r_buff1_thd2;
[L746]               0  _Bool x$r_buff1_thd3;
[L747]               0  _Bool x$read_delayed;
[L748]               0  int *x$read_delayed_var;
[L749]               0  int x$w_buff0;
[L750]               0  _Bool x$w_buff0_used;
[L751]               0  int x$w_buff1;
[L752]               0  _Bool x$w_buff1_used;
[L754]               0  int y = 0;
[L755]               0  _Bool weak$$choice0;
[L756]               0  _Bool weak$$choice1;
[L757]               0  _Bool weak$$choice2;
[L847]               0  pthread_t t1693;
[L848]  FCALL, FORK  0  pthread_create(&t1693, ((void *)0), P0, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1693=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L761]               1  weak$$choice0 = __VERIFIER_nondet_bool()
[L762]               1  weak$$choice2 = __VERIFIER_nondet_bool()
[L763]               1  x$flush_delayed = weak$$choice2
[L764]  EXPR         1  \read(x)
[L764]               1  x$mem_tmp = x
[L765]  EXPR         1  !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L765]  EXPR         1  \read(x)
[L765]  EXPR         1  !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L765]               1  x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L766]               1  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L767]               1  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))
[L768]               1  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))
[L769]               1  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L770]               1  x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))
[L771]               1  x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L772]               1  __unbuffered_p0_EAX$read_delayed = (_Bool)1
[L773]               1  __unbuffered_p0_EAX$read_delayed_var = &x
[L774]  EXPR         1  \read(x)
[L774]               1  __unbuffered_p0_EAX = x
[L775]  EXPR         1  x$flush_delayed ? x$mem_tmp : x
[L775]  EXPR         1  \read(x)
[L775]  EXPR         1  x$flush_delayed ? x$mem_tmp : x
[L775]               1  x = x$flush_delayed ? x$mem_tmp : x
[L776]               1  x$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L849]               0  pthread_t t1694;
[L850]  FCALL, FORK  0  pthread_create(&t1694, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1693=-1, t1694=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L779]               1  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1]
[L791]               2  y = 2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L794]               2  __unbuffered_p1_EAX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L797]               2  weak$$choice0 = __VERIFIER_nondet_bool()
[L798]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L799]               2  x$flush_delayed = weak$$choice2
[L800]  EXPR         2  \read(x)
[L800]               2  x$mem_tmp = x
[L801]  EXPR         2  !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)
[L801]  EXPR         2  \read(x)
[L801]  EXPR         2  !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)
[L801]               2  x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)
[L802]               2  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0))
[L803]               2  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))
[L804]               2  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used))
[L805]               2  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L806]               2  x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2))
[L807]               2  x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L808]  EXPR         2  \read(x)
[L808]               2  __unbuffered_p1_EBX = x
[L809]  EXPR         2  x$flush_delayed ? x$mem_tmp : x
[L809]  EXPR         2  x$flush_delayed ? x$mem_tmp : x
[L809]               2  x = x$flush_delayed ? x$mem_tmp : x
[L810]               2  x$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L851]               0  pthread_t t1695;
[L852]  FCALL, FORK  0  pthread_create(&t1695, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1693=-1, t1694=0, t1695=1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L822]               3  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L825]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L825]  EXPR         3  x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x
[L825]  EXPR         3  \read(x)
[L825]  EXPR         3  x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x
[L825]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L825]               3  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L826]               3  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L827]               3  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L828]               3  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L829]               3  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L784]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L815]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L832]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L854]               0  main$tmp_guard0 = __unbuffered_cnt == 3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1693=-1, t1694=0, t1695=1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L856]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L4]    COND FALSE   0  !(!cond)
[L856]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L858]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L858]  EXPR         0  x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x
[L858]  EXPR         0  \read(x)
[L858]  EXPR         0  x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x
[L858]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L858]               0  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L859]               0  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L860]               0  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L861]               0  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L862]               0  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1693=-1, t1694=0, t1695=1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L865]               0  weak$$choice1 = __VERIFIER_nondet_bool()
[L866]  EXPR         0  __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L866]  EXPR         0  weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX
[L866]  EXPR         0  \read(*__unbuffered_p0_EAX$read_delayed_var)
[L866]  EXPR         0  weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX
[L866]  EXPR         0  __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L866]               0  __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L867]               0  main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1693=-1, t1694=0, t1695=1, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L869]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L19]   COND TRUE    0  !expression
[L19]   CALL         0  reach_error()
[L18]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L18]                0  __assert_fail ("0", "rfi006_rmo.c", 9, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]

  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 845]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 848]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 852]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 850]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 132 locations, 71 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: 17.0s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 492 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1121 IncrementalHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 15 mSDtfsCounter, 1121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=13, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 917 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 01:30:07,311 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/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
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC --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 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:30:10,596 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:30:10,746 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-24 01:30:10,757 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:30:10,761 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:30:10,835 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:30:10,836 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:30:10,837 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:30:10,837 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:30:10,838 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 01:30:10,839 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:30:10,839 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:30:10,839 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:30:10,840 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 01:30:10,840 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 01:30:10,841 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:30:10,841 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 01:30:10,841 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 01:30:10,841 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 01:30:10,842 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 01:30:10,842 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-24 01:30:10,842 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-24 01:30:10,842 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-24 01:30:10,842 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:30:10,842 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-24 01:30:10,843 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-24 01:30:10,843 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 01:30:10,843 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-24 01:30:10,843 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 01:30:10,843 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:30:10,843 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 01:30:10,844 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:30:10,844 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:30:10,845 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:30:10,845 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:30:10,845 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:30:10,845 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:30:10,845 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:30:10,845 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:30:10,847 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:30:10,847 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:30:10,847 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:30:10,847 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:30:10,847 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-24 01:30:10,847 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 01:30:10,848 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:30:10,848 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:30:10,848 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:30:10,848 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:30:10,848 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC
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 -> 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381
[2024-11-24 01:30:11,248 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:30:11,261 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:30:11,266 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:30:11,268 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 01:30:11,272 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 01:30:11,273 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i
[2024-11-24 01:30:15,130 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data/fae9c1175/da11e7e4cb9640bda2225b44cad8d763/FLAGc48b3ba40
[2024-11-24 01:30:15,641 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 01:30:15,642 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i
[2024-11-24 01:30:15,670 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data/fae9c1175/da11e7e4cb9640bda2225b44cad8d763/FLAGc48b3ba40
[2024-11-24 01:30:15,735 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/data/fae9c1175/da11e7e4cb9640bda2225b44cad8d763
[2024-11-24 01:30:15,738 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:30:15,740 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:30:15,743 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:30:15,744 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:30:15,751 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:30:15,752 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:30:15" (1/1) ...
[2024-11-24 01:30:15,756 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0f24b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:15, skipping insertion in model container
[2024-11-24 01:30:15,756 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:30:15" (1/1) ...
[2024-11-24 01:30:15,824 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:30:16,343 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:30:16,372 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 01:30:16,489 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:30:16,560 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 01:30:16,561 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16 WrapperNode
[2024-11-24 01:30:16,562 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:30:16,564 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:30:16,565 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:30:16,565 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:30:16,575 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,611 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,663 INFO  L138                Inliner]: procedures = 179, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128
[2024-11-24 01:30:16,664 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:30:16,664 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:30:16,665 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:30:16,665 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:30:16,679 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,680 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,690 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,736 INFO  L175           MemorySlicer]: Split 21 memory accesses to 2 slices as follows [2, 19]. 90 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 7 writes are split as follows [0, 7].
[2024-11-24 01:30:16,736 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,736 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,761 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,763 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,766 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,769 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,771 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,776 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:30:16,777 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:30:16,777 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:30:16,777 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:30:16,779 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (1/1) ...
[2024-11-24 01:30:16,787 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:30:16,816 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:16,838 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:30:16,847 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:30:16,889 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-24 01:30:16,889 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-24 01:30:16,890 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-24 01:30:16,890 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:30:16,890 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-24 01:30:16,890 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-24 01:30:16,891 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 01:30:16,891 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-24 01:30:16,891 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-11-24 01:30:16,891 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-11-24 01:30:16,891 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-24 01:30:16,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-24 01:30:16,891 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-24 01:30:16,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-24 01:30:16,891 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-24 01:30:16,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-24 01:30:16,891 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-24 01:30:16,892 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:30:16,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:30:16,895 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 01:30:17,194 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 01:30:17,197 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:30:18,141 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 01:30:18,142 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 01:30:19,135 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:30:19,136 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 01:30:19,136 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:30:19 BoogieIcfgContainer
[2024-11-24 01:30:19,136 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:30:19,139 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:30:19,139 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:30:19,145 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:30:19,147 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:30:15" (1/3) ...
[2024-11-24 01:30:19,148 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6762005b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:30:19, skipping insertion in model container
[2024-11-24 01:30:19,148 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:30:16" (2/3) ...
[2024-11-24 01:30:19,149 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6762005b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:30:19, skipping insertion in model container
[2024-11-24 01:30:19,150 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:30:19" (3/3) ...
[2024-11-24 01:30:19,151 INFO  L128   eAbstractionObserver]: Analyzing ICFG rfi006_rmo.i
[2024-11-24 01:30:19,172 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:30:19,174 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG rfi006_rmo.i that has 4 procedures, 78 locations, 1 initial locations, 0 loop locations, and 38 error locations.
[2024-11-24 01:30:19,175 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 01:30:19,402 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 01:30:19,457 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 87 places, 79 transitions, 170 flow
[2024-11-24 01:30:19,549 INFO  L124   PetriNetUnfolderBase]: 2/76 cut-off events.
[2024-11-24 01:30:19,553 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:30:19,561 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 86 conditions, 76 events. 2/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 297 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. 
[2024-11-24 01:30:19,562 INFO  L82        GeneralOperation]: Start removeDead. Operand has 87 places, 79 transitions, 170 flow
[2024-11-24 01:30:19,568 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 84 places, 76 transitions, 161 flow
[2024-11-24 01:30:19,586 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:30:19,611 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;@27f7c310, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:30:19,611 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 71 error locations.
[2024-11-24 01:30:19,620 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 01:30:19,620 INFO  L124   PetriNetUnfolderBase]: 0/5 cut-off events.
[2024-11-24 01:30:19,620 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:30:19,621 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:19,621 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-24 01:30:19,622 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:19,629 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:19,630 INFO  L85        PathProgramCache]: Analyzing trace with hash 21865930, now seen corresponding path program 1 times
[2024-11-24 01:30:19,645 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:19,645 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479914160]
[2024-11-24 01:30:19,646 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:19,646 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:19,647 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:19,651 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:19,654 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:30:19,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:19,867 INFO  L256         TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:19,871 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:19,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:19,946 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:19,947 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:19,947 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479914160]
[2024-11-24 01:30:19,947 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [479914160] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:19,948 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:19,948 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 01:30:19,950 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482047569]
[2024-11-24 01:30:19,951 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:19,958 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:30:19,964 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:19,991 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:30:19,992 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:30:19,999 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:30:20,002 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 76 transitions, 161 flow. Second operand  has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:20,002 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:20,003 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:30:20,004 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:22,192 INFO  L124   PetriNetUnfolderBase]: 3375/5456 cut-off events.
[2024-11-24 01:30:22,193 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:30:22,210 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10375 conditions, 5456 events. 3375/5456 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 508. Compared 42027 event pairs, 3375 based on Foata normal form. 224/3842 useless extension candidates. Maximal degree in co-relation 10364. Up to 4872 conditions per place. 
[2024-11-24 01:30:22,305 INFO  L140   encePairwiseOnDemand]: 49/79 looper letters, 29 selfloop transitions, 1 changer transitions 0/46 dead transitions.
[2024-11-24 01:30:22,306 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 46 transitions, 161 flow
[2024-11-24 01:30:22,307 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:30:22,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:30:22,322 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions.
[2024-11-24 01:30:22,326 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.48945147679324896
[2024-11-24 01:30:22,328 INFO  L175             Difference]: Start difference. First operand has 84 places, 76 transitions, 161 flow. Second operand 3 states and 116 transitions.
[2024-11-24 01:30:22,329 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 46 transitions, 161 flow
[2024-11-24 01:30:22,338 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 46 transitions, 158 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-24 01:30:22,344 INFO  L231             Difference]: Finished difference. Result has 55 places, 46 transitions, 100 flow
[2024-11-24 01:30:22,347 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=55, PETRI_TRANSITIONS=46}
[2024-11-24 01:30:22,353 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -29 predicate places.
[2024-11-24 01:30:22,354 INFO  L471      AbstractCegarLoop]: Abstraction has has 55 places, 46 transitions, 100 flow
[2024-11-24 01:30:22,354 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:22,354 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:22,354 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-24 01:30:22,368 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 01:30:22,555 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:22,556 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:22,557 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:22,557 INFO  L85        PathProgramCache]: Analyzing trace with hash 21865931, now seen corresponding path program 1 times
[2024-11-24 01:30:22,558 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:22,558 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1488548280]
[2024-11-24 01:30:22,558 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:22,558 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:22,558 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:22,562 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:22,565 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:30:22,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:22,771 INFO  L256         TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:22,773 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:22,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:22,866 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:22,866 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:22,866 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488548280]
[2024-11-24 01:30:22,866 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488548280] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:22,866 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:22,866 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 01:30:22,866 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606959246]
[2024-11-24 01:30:22,866 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:22,870 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:30:22,871 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:22,871 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:30:22,871 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:30:22,872 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:30:22,872 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 46 transitions, 100 flow. Second operand  has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:22,872 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:22,872 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:30:22,872 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:23,542 INFO  L124   PetriNetUnfolderBase]: 818/1456 cut-off events.
[2024-11-24 01:30:23,542 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:30:23,547 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2725 conditions, 1456 events. 818/1456 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9798 event pairs, 818 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 2719. Up to 1239 conditions per place. 
[2024-11-24 01:30:23,557 INFO  L140   encePairwiseOnDemand]: 71/79 looper letters, 21 selfloop transitions, 1 changer transitions 1/39 dead transitions.
[2024-11-24 01:30:23,557 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 39 transitions, 132 flow
[2024-11-24 01:30:23,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:30:23,558 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:30:23,559 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions.
[2024-11-24 01:30:23,559 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.3670886075949367
[2024-11-24 01:30:23,559 INFO  L175             Difference]: Start difference. First operand has 55 places, 46 transitions, 100 flow. Second operand 3 states and 87 transitions.
[2024-11-24 01:30:23,560 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 39 transitions, 132 flow
[2024-11-24 01:30:23,560 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 39 transitions, 131 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:30:23,562 INFO  L231             Difference]: Finished difference. Result has 49 places, 38 transitions, 85 flow
[2024-11-24 01:30:23,562 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=49, PETRI_TRANSITIONS=38}
[2024-11-24 01:30:23,563 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -35 predicate places.
[2024-11-24 01:30:23,564 INFO  L471      AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 85 flow
[2024-11-24 01:30:23,564 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:23,564 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:23,564 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:23,576 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-24 01:30:23,765 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:23,766 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:23,766 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:23,766 INFO  L85        PathProgramCache]: Analyzing trace with hash 1930315950, now seen corresponding path program 1 times
[2024-11-24 01:30:23,767 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:23,767 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607351715]
[2024-11-24 01:30:23,767 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:23,768 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:23,768 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:23,770 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:23,775 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 01:30:23,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:23,957 INFO  L256         TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:23,959 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:23,999 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:23,999 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:24,000 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:24,000 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607351715]
[2024-11-24 01:30:24,000 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607351715] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:24,000 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:24,000 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 01:30:24,000 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808432220]
[2024-11-24 01:30:24,000 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:24,001 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:30:24,001 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:24,001 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:30:24,001 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:30:24,002 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:30:24,002 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 85 flow. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-11-24 01:30:24,002 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:24,002 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:30:24,002 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:24,510 INFO  L124   PetriNetUnfolderBase]: 685/1362 cut-off events.
[2024-11-24 01:30:24,510 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:30:24,513 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 1362 events. 685/1362 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8980 event pairs, 253 based on Foata normal form. 0/1284 useless extension candidates. Maximal degree in co-relation 2432. Up to 813 conditions per place. 
[2024-11-24 01:30:24,521 INFO  L140   encePairwiseOnDemand]: 75/79 looper letters, 36 selfloop transitions, 2 changer transitions 0/54 dead transitions.
[2024-11-24 01:30:24,521 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 197 flow
[2024-11-24 01:30:24,522 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:30:24,522 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:30:24,523 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions.
[2024-11-24 01:30:24,523 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.4092827004219409
[2024-11-24 01:30:24,523 INFO  L175             Difference]: Start difference. First operand has 49 places, 38 transitions, 85 flow. Second operand 3 states and 97 transitions.
[2024-11-24 01:30:24,523 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 197 flow
[2024-11-24 01:30:24,524 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 54 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:30:24,526 INFO  L231             Difference]: Finished difference. Result has 50 places, 38 transitions, 94 flow
[2024-11-24 01:30:24,527 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=50, PETRI_TRANSITIONS=38}
[2024-11-24 01:30:24,529 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -34 predicate places.
[2024-11-24 01:30:24,529 INFO  L471      AbstractCegarLoop]: Abstraction has has 50 places, 38 transitions, 94 flow
[2024-11-24 01:30:24,529 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-11-24 01:30:24,529 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:24,530 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:24,542 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-24 01:30:24,733 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:24,733 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:24,734 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:24,734 INFO  L85        PathProgramCache]: Analyzing trace with hash -392161599, now seen corresponding path program 1 times
[2024-11-24 01:30:24,735 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:24,735 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011057718]
[2024-11-24 01:30:24,735 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:24,735 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:24,735 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:24,742 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:24,746 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-24 01:30:24,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:24,941 INFO  L256         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:24,944 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:25,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:25,130 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:25,130 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:25,130 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011057718]
[2024-11-24 01:30:25,131 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011057718] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:25,131 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:25,131 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 01:30:25,131 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535150593]
[2024-11-24 01:30:25,131 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:25,131 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:30:25,132 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:25,132 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:30:25,132 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:30:25,141 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:30:25,142 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 38 transitions, 94 flow. Second operand  has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:25,142 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:25,142 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:30:25,142 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:25,643 INFO  L124   PetriNetUnfolderBase]: 639/1292 cut-off events.
[2024-11-24 01:30:25,644 INFO  L125   PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES.
[2024-11-24 01:30:25,650 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2533 conditions, 1292 events. 639/1292 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8433 event pairs, 225 based on Foata normal form. 0/1274 useless extension candidates. Maximal degree in co-relation 2524. Up to 742 conditions per place. 
[2024-11-24 01:30:25,657 INFO  L140   encePairwiseOnDemand]: 76/79 looper letters, 35 selfloop transitions, 2 changer transitions 0/53 dead transitions.
[2024-11-24 01:30:25,658 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 53 transitions, 200 flow
[2024-11-24 01:30:25,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:30:25,658 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:30:25,661 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions.
[2024-11-24 01:30:25,663 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.36075949367088606
[2024-11-24 01:30:25,663 INFO  L175             Difference]: Start difference. First operand has 50 places, 38 transitions, 94 flow. Second operand 4 states and 114 transitions.
[2024-11-24 01:30:25,663 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 53 transitions, 200 flow
[2024-11-24 01:30:25,665 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 53 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 01:30:25,666 INFO  L231             Difference]: Finished difference. Result has 50 places, 37 transitions, 90 flow
[2024-11-24 01:30:25,668 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, 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=4, PETRI_FLOW=90, PETRI_PLACES=50, PETRI_TRANSITIONS=37}
[2024-11-24 01:30:25,669 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -34 predicate places.
[2024-11-24 01:30:25,670 INFO  L471      AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 90 flow
[2024-11-24 01:30:25,670 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:25,671 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:25,671 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:25,684 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-24 01:30:25,875 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:25,876 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:25,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:25,877 INFO  L85        PathProgramCache]: Analyzing trace with hash -392161598, now seen corresponding path program 1 times
[2024-11-24 01:30:25,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:25,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593556418]
[2024-11-24 01:30:25,878 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:25,878 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:25,878 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:25,880 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:25,884 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-24 01:30:26,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:26,077 INFO  L256         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:26,079 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:26,335 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:26,336 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:26,336 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:26,336 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593556418]
[2024-11-24 01:30:26,336 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [593556418] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:26,336 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:26,336 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 01:30:26,336 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639613055]
[2024-11-24 01:30:26,337 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:26,337 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:30:26,337 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:26,338 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:30:26,338 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:30:26,338 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 79
[2024-11-24 01:30:26,339 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 90 flow. Second operand  has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:26,339 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:26,339 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 79
[2024-11-24 01:30:26,339 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:26,795 INFO  L124   PetriNetUnfolderBase]: 593/1290 cut-off events.
[2024-11-24 01:30:26,795 INFO  L125   PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES.
[2024-11-24 01:30:26,799 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2437 conditions, 1290 events. 593/1290 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9079 event pairs, 129 based on Foata normal form. 24/1308 useless extension candidates. Maximal degree in co-relation 2428. Up to 672 conditions per place. 
[2024-11-24 01:30:26,806 INFO  L140   encePairwiseOnDemand]: 76/79 looper letters, 34 selfloop transitions, 2 changer transitions 0/52 dead transitions.
[2024-11-24 01:30:26,806 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 52 transitions, 194 flow
[2024-11-24 01:30:26,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:30:26,807 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:30:26,808 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions.
[2024-11-24 01:30:26,808 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.3575949367088608
[2024-11-24 01:30:26,808 INFO  L175             Difference]: Start difference. First operand has 50 places, 37 transitions, 90 flow. Second operand 4 states and 113 transitions.
[2024-11-24 01:30:26,808 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 52 transitions, 194 flow
[2024-11-24 01:30:26,809 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 189 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-24 01:30:26,810 INFO  L231             Difference]: Finished difference. Result has 49 places, 36 transitions, 85 flow
[2024-11-24 01:30:26,811 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=85, PETRI_PLACES=49, PETRI_TRANSITIONS=36}
[2024-11-24 01:30:26,811 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -35 predicate places.
[2024-11-24 01:30:26,811 INFO  L471      AbstractCegarLoop]: Abstraction has has 49 places, 36 transitions, 85 flow
[2024-11-24 01:30:26,812 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:26,812 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:26,812 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:26,825 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-24 01:30:27,013 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:27,013 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:27,014 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:27,014 INFO  L85        PathProgramCache]: Analyzing trace with hash 1033367434, now seen corresponding path program 1 times
[2024-11-24 01:30:27,014 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:27,014 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571756853]
[2024-11-24 01:30:27,014 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:27,015 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:27,015 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:27,017 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:27,018 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-24 01:30:27,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:27,185 INFO  L256         TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:27,186 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:27,227 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:27,227 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:27,228 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:27,228 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571756853]
[2024-11-24 01:30:27,228 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571756853] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:27,228 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:27,228 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 01:30:27,228 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474359684]
[2024-11-24 01:30:27,229 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:27,229 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:30:27,229 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:27,229 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:30:27,229 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:30:27,230 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 79
[2024-11-24 01:30:27,230 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 85 flow. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-11-24 01:30:27,230 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:27,230 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 79
[2024-11-24 01:30:27,230 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:27,549 INFO  L124   PetriNetUnfolderBase]: 593/1087 cut-off events.
[2024-11-24 01:30:27,549 INFO  L125   PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES.
[2024-11-24 01:30:27,552 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2233 conditions, 1087 events. 593/1087 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7028 event pairs, 593 based on Foata normal form. 36/1107 useless extension candidates. Maximal degree in co-relation 2225. Up to 906 conditions per place. 
[2024-11-24 01:30:27,557 INFO  L140   encePairwiseOnDemand]: 77/79 looper letters, 18 selfloop transitions, 1 changer transitions 1/35 dead transitions.
[2024-11-24 01:30:27,558 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 35 transitions, 123 flow
[2024-11-24 01:30:27,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 01:30:27,558 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:30:27,559 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions.
[2024-11-24 01:30:27,559 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.31645569620253167
[2024-11-24 01:30:27,560 INFO  L175             Difference]: Start difference. First operand has 49 places, 36 transitions, 85 flow. Second operand 3 states and 75 transitions.
[2024-11-24 01:30:27,560 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 35 transitions, 123 flow
[2024-11-24 01:30:27,560 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 35 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 01:30:27,561 INFO  L231             Difference]: Finished difference. Result has 48 places, 34 transitions, 80 flow
[2024-11-24 01:30:27,561 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=48, PETRI_TRANSITIONS=34}
[2024-11-24 01:30:27,562 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -36 predicate places.
[2024-11-24 01:30:27,562 INFO  L471      AbstractCegarLoop]: Abstraction has has 48 places, 34 transitions, 80 flow
[2024-11-24 01:30:27,563 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2024-11-24 01:30:27,563 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:27,563 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:27,576 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-24 01:30:27,767 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:27,768 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:27,768 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:27,768 INFO  L85        PathProgramCache]: Analyzing trace with hash 1033366643, now seen corresponding path program 1 times
[2024-11-24 01:30:27,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:27,768 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702215945]
[2024-11-24 01:30:27,768 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:27,769 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:27,769 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:27,770 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:27,803 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-24 01:30:27,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:27,974 INFO  L256         TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:27,975 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:28,016 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:28,016 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:28,016 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:28,016 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702215945]
[2024-11-24 01:30:28,016 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [702215945] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:28,017 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:28,017 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:30:28,017 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561001969]
[2024-11-24 01:30:28,017 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:28,017 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:30:28,018 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:28,018 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:30:28,018 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:30:28,037 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 79
[2024-11-24 01:30:28,038 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 34 transitions, 80 flow. Second operand  has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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)
[2024-11-24 01:30:28,038 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:28,038 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 79
[2024-11-24 01:30:28,038 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:28,641 INFO  L124   PetriNetUnfolderBase]: 1347/2255 cut-off events.
[2024-11-24 01:30:28,641 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:30:28,647 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4647 conditions, 2255 events. 1347/2255 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 13658 event pairs, 141 based on Foata normal form. 80/2326 useless extension candidates. Maximal degree in co-relation 4639. Up to 1297 conditions per place. 
[2024-11-24 01:30:28,658 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 40 selfloop transitions, 5 changer transitions 1/57 dead transitions.
[2024-11-24 01:30:28,658 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 57 transitions, 226 flow
[2024-11-24 01:30:28,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:30:28,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:30:28,660 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions.
[2024-11-24 01:30:28,660 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.34177215189873417
[2024-11-24 01:30:28,660 INFO  L175             Difference]: Start difference. First operand has 48 places, 34 transitions, 80 flow. Second operand 4 states and 108 transitions.
[2024-11-24 01:30:28,660 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 57 transitions, 226 flow
[2024-11-24 01:30:28,661 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 57 transitions, 225 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:30:28,662 INFO  L231             Difference]: Finished difference. Result has 51 places, 37 transitions, 113 flow
[2024-11-24 01:30:28,662 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=51, PETRI_TRANSITIONS=37}
[2024-11-24 01:30:28,663 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -33 predicate places.
[2024-11-24 01:30:28,663 INFO  L471      AbstractCegarLoop]: Abstraction has has 51 places, 37 transitions, 113 flow
[2024-11-24 01:30:28,664 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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)
[2024-11-24 01:30:28,664 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:28,664 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:28,677 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-24 01:30:28,868 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:28,869 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:28,869 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:28,870 INFO  L85        PathProgramCache]: Analyzing trace with hash -1729902639, now seen corresponding path program 1 times
[2024-11-24 01:30:28,870 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:28,870 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [262398256]
[2024-11-24 01:30:28,870 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:28,870 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:28,872 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:28,874 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:28,883 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-24 01:30:29,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:29,060 INFO  L256         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:29,062 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:29,118 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:29,119 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:29,119 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:29,120 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262398256]
[2024-11-24 01:30:29,120 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [262398256] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:29,120 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:29,120 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:30:29,120 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279853179]
[2024-11-24 01:30:29,120 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:29,121 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:30:29,121 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:29,121 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:30:29,121 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:30:29,131 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 79
[2024-11-24 01:30:29,131 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 37 transitions, 113 flow. Second operand  has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:29,131 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:29,131 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 79
[2024-11-24 01:30:29,131 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:29,768 INFO  L124   PetriNetUnfolderBase]: 863/1471 cut-off events.
[2024-11-24 01:30:29,768 INFO  L125   PetriNetUnfolderBase]: For 372/372 co-relation queries the response was YES.
[2024-11-24 01:30:29,772 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3538 conditions, 1471 events. 863/1471 cut-off events. For 372/372 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 7831 event pairs, 67 based on Foata normal form. 68/1530 useless extension candidates. Maximal degree in co-relation 3527. Up to 625 conditions per place. 
[2024-11-24 01:30:29,787 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 50 selfloop transitions, 8 changer transitions 1/70 dead transitions.
[2024-11-24 01:30:29,787 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 70 transitions, 324 flow
[2024-11-24 01:30:29,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:30:29,788 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 01:30:29,789 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions.
[2024-11-24 01:30:29,789 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.34430379746835443
[2024-11-24 01:30:29,789 INFO  L175             Difference]: Start difference. First operand has 51 places, 37 transitions, 113 flow. Second operand 5 states and 136 transitions.
[2024-11-24 01:30:29,789 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 70 transitions, 324 flow
[2024-11-24 01:30:29,794 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 70 transitions, 314 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-24 01:30:29,796 INFO  L231             Difference]: Finished difference. Result has 55 places, 40 transitions, 153 flow
[2024-11-24 01:30:29,796 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=153, PETRI_PLACES=55, PETRI_TRANSITIONS=40}
[2024-11-24 01:30:29,797 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -29 predicate places.
[2024-11-24 01:30:29,799 INFO  L471      AbstractCegarLoop]: Abstraction has has 55 places, 40 transitions, 153 flow
[2024-11-24 01:30:29,800 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:30:29,800 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:29,800 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:29,812 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-24 01:30:30,004 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:30,004 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:30,005 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:30,005 INFO  L85        PathProgramCache]: Analyzing trace with hash -2141221005, now seen corresponding path program 1 times
[2024-11-24 01:30:30,006 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:30,006 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551020439]
[2024-11-24 01:30:30,006 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:30,006 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:30,006 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:30,013 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:30,016 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-24 01:30:30,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:30,230 INFO  L256         TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:30,232 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:30,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:30,327 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:30,327 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:30,327 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551020439]
[2024-11-24 01:30:30,328 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551020439] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:30,328 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:30,328 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:30:30,328 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708426365]
[2024-11-24 01:30:30,328 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:30,328 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:30:30,329 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:30,329 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:30:30,330 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:30:30,342 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 79
[2024-11-24 01:30:30,342 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 40 transitions, 153 flow. Second operand  has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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)
[2024-11-24 01:30:30,342 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:30,342 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 79
[2024-11-24 01:30:30,343 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:30,955 INFO  L124   PetriNetUnfolderBase]: 475/799 cut-off events.
[2024-11-24 01:30:30,955 INFO  L125   PetriNetUnfolderBase]: For 668/668 co-relation queries the response was YES.
[2024-11-24 01:30:30,958 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2206 conditions, 799 events. 475/799 cut-off events. For 668/668 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3426 event pairs, 53 based on Foata normal form. 36/826 useless extension candidates. Maximal degree in co-relation 2193. Up to 268 conditions per place. 
[2024-11-24 01:30:30,965 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 44 selfloop transitions, 11 changer transitions 1/67 dead transitions.
[2024-11-24 01:30:30,966 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 333 flow
[2024-11-24 01:30:30,966 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 01:30:30,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:30:30,967 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 148 transitions.
[2024-11-24 01:30:30,968 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.31223628691983124
[2024-11-24 01:30:30,968 INFO  L175             Difference]: Start difference. First operand has 55 places, 40 transitions, 153 flow. Second operand 6 states and 148 transitions.
[2024-11-24 01:30:30,968 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 333 flow
[2024-11-24 01:30:30,975 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 67 transitions, 308 flow, removed 4 selfloop flow, removed 4 redundant places.
[2024-11-24 01:30:30,978 INFO  L231             Difference]: Finished difference. Result has 58 places, 40 transitions, 167 flow
[2024-11-24 01:30:30,979 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=167, PETRI_PLACES=58, PETRI_TRANSITIONS=40}
[2024-11-24 01:30:30,980 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -26 predicate places.
[2024-11-24 01:30:30,981 INFO  L471      AbstractCegarLoop]: Abstraction has has 58 places, 40 transitions, 167 flow
[2024-11-24 01:30:30,982 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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)
[2024-11-24 01:30:30,982 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:30,982 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:30,994 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-24 01:30:31,186 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:31,187 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:31,187 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:31,187 INFO  L85        PathProgramCache]: Analyzing trace with hash 1501637182, now seen corresponding path program 1 times
[2024-11-24 01:30:31,188 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:31,188 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786907035]
[2024-11-24 01:30:31,188 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:30:31,188 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:31,188 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:31,192 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:31,196 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-24 01:30:31,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:30:31,417 INFO  L256         TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-24 01:30:31,419 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:30:31,545 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:30:31,546 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:30:31,546 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:30:31,547 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786907035]
[2024-11-24 01:30:31,547 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [786907035] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:30:31,547 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:30:31,547 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 01:30:31,547 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333444569]
[2024-11-24 01:30:31,547 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:30:31,548 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:30:31,548 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:30:31,549 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:30:31,549 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:30:31,569 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 79
[2024-11-24 01:30:31,570 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 40 transitions, 167 flow. Second operand  has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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)
[2024-11-24 01:30:31,570 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:30:31,570 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 79
[2024-11-24 01:30:31,570 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:30:32,070 INFO  L124   PetriNetUnfolderBase]: 605/1172 cut-off events.
[2024-11-24 01:30:32,071 INFO  L125   PetriNetUnfolderBase]: For 553/564 co-relation queries the response was YES.
[2024-11-24 01:30:32,075 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2828 conditions, 1172 events. 605/1172 cut-off events. For 553/564 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6504 event pairs, 282 based on Foata normal form. 8/1136 useless extension candidates. Maximal degree in co-relation 2814. Up to 538 conditions per place. 
[2024-11-24 01:30:32,078 INFO  L140   encePairwiseOnDemand]: 73/79 looper letters, 29 selfloop transitions, 2 changer transitions 17/66 dead transitions.
[2024-11-24 01:30:32,078 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 66 transitions, 331 flow
[2024-11-24 01:30:32,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 01:30:32,079 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:30:32,080 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 145 transitions.
[2024-11-24 01:30:32,080 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.3059071729957806
[2024-11-24 01:30:32,080 INFO  L175             Difference]: Start difference. First operand has 58 places, 40 transitions, 167 flow. Second operand 6 states and 145 transitions.
[2024-11-24 01:30:32,081 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 66 transitions, 331 flow
[2024-11-24 01:30:32,089 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 66 transitions, 264 flow, removed 14 selfloop flow, removed 8 redundant places.
[2024-11-24 01:30:32,092 INFO  L231             Difference]: Finished difference. Result has 59 places, 40 transitions, 125 flow
[2024-11-24 01:30:32,092 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=125, PETRI_PLACES=59, PETRI_TRANSITIONS=40}
[2024-11-24 01:30:32,093 INFO  L279   CegarLoopForPetriNet]: 84 programPoint places, -25 predicate places.
[2024-11-24 01:30:32,093 INFO  L471      AbstractCegarLoop]: Abstraction has has 59 places, 40 transitions, 125 flow
[2024-11-24 01:30:32,093 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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)
[2024-11-24 01:30:32,093 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:30:32,093 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:32,105 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-11-24 01:30:32,293 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:32,294 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] ===
[2024-11-24 01:30:32,294 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:30:32,295 INFO  L85        PathProgramCache]: Analyzing trace with hash -1787760108, now seen corresponding path program 2 times
[2024-11-24 01:30:32,295 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:30:32,295 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438017185]
[2024-11-24 01:30:32,296 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 01:30:32,296 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:32,296 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:30:32,298 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:30:32,301 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-24 01:30:32,524 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 01:30:32,524 INFO  L230   tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-24 01:30:32,524 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:30:32,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:30:32,738 INFO  L130   FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-24 01:30:32,738 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-24 01:30:32,740 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (70 of 71 remaining)
[2024-11-24 01:30:32,743 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 71 remaining)
[2024-11-24 01:30:32,743 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 71 remaining)
[2024-11-24 01:30:32,743 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 71 remaining)
[2024-11-24 01:30:32,744 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 71 remaining)
[2024-11-24 01:30:32,744 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 71 remaining)
[2024-11-24 01:30:32,744 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 71 remaining)
[2024-11-24 01:30:32,744 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 71 remaining)
[2024-11-24 01:30:32,744 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 71 remaining)
[2024-11-24 01:30:32,745 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 71 remaining)
[2024-11-24 01:30:32,745 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 71 remaining)
[2024-11-24 01:30:32,745 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 71 remaining)
[2024-11-24 01:30:32,745 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 71 remaining)
[2024-11-24 01:30:32,745 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 71 remaining)
[2024-11-24 01:30:32,745 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 71 remaining)
[2024-11-24 01:30:32,745 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 71 remaining)
[2024-11-24 01:30:32,746 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 71 remaining)
[2024-11-24 01:30:32,746 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 71 remaining)
[2024-11-24 01:30:32,746 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 71 remaining)
[2024-11-24 01:30:32,746 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 71 remaining)
[2024-11-24 01:30:32,746 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 71 remaining)
[2024-11-24 01:30:32,746 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 71 remaining)
[2024-11-24 01:30:32,746 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 71 remaining)
[2024-11-24 01:30:32,747 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 71 remaining)
[2024-11-24 01:30:32,747 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 71 remaining)
[2024-11-24 01:30:32,747 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 71 remaining)
[2024-11-24 01:30:32,747 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 71 remaining)
[2024-11-24 01:30:32,748 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 71 remaining)
[2024-11-24 01:30:32,748 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 71 remaining)
[2024-11-24 01:30:32,748 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 71 remaining)
[2024-11-24 01:30:32,748 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 71 remaining)
[2024-11-24 01:30:32,748 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 71 remaining)
[2024-11-24 01:30:32,748 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 71 remaining)
[2024-11-24 01:30:32,748 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 71 remaining)
[2024-11-24 01:30:32,748 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 71 remaining)
[2024-11-24 01:30:32,749 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 71 remaining)
[2024-11-24 01:30:32,749 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 71 remaining)
[2024-11-24 01:30:32,749 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (33 of 71 remaining)
[2024-11-24 01:30:32,749 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 71 remaining)
[2024-11-24 01:30:32,749 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 71 remaining)
[2024-11-24 01:30:32,749 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining)
[2024-11-24 01:30:32,749 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 71 remaining)
[2024-11-24 01:30:32,749 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 71 remaining)
[2024-11-24 01:30:32,750 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 71 remaining)
[2024-11-24 01:30:32,751 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 71 remaining)
[2024-11-24 01:30:32,752 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 71 remaining)
[2024-11-24 01:30:32,768 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-11-24 01:30:32,958 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:30:32,959 INFO  L422         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:30:33,132 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 01:30:33,132 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:30:33,140 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:30:33 BasicIcfg
[2024-11-24 01:30:33,142 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:30:33,142 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:30:33,142 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:30:33,143 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-24 01:30:33,144 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:30:19" (3/4) ...
[2024-11-24 01:30:33,146 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-11-24 01:30:33,147 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:30:33,148 INFO  L158              Benchmark]: Toolchain (without parser) took 17408.11ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 90.4MB in the beginning and 235.5MB in the end (delta: -145.1MB). Peak memory consumption was 378.7MB. Max. memory is 16.1GB.
[2024-11-24 01:30:33,149 INFO  L158              Benchmark]: CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:30:33,149 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 819.94ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 65.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 01:30:33,150 INFO  L158              Benchmark]: Boogie Procedure Inliner took 100.22ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:30:33,151 INFO  L158              Benchmark]: Boogie Preprocessor took 111.51ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 59.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:30:33,151 INFO  L158              Benchmark]: RCFGBuilder took 2359.70ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 59.2MB in the beginning and 237.7MB in the end (delta: -178.5MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB.
[2024-11-24 01:30:33,152 INFO  L158              Benchmark]: TraceAbstraction took 14002.53ms. Allocated memory was 285.2MB in the beginning and 637.5MB in the end (delta: 352.3MB). Free memory was 237.7MB in the beginning and 235.6MB in the end (delta: 2.1MB). Peak memory consumption was 353.0MB. Max. memory is 16.1GB.
[2024-11-24 01:30:33,152 INFO  L158              Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 637.5MB. Free memory was 235.6MB in the beginning and 235.5MB in the end (delta: 138.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:30:33,155 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 819.94ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 65.9MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 100.22ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 111.51ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 59.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 2359.70ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 59.2MB in the beginning and 237.7MB in the end (delta: -178.5MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 14002.53ms. Allocated memory was 285.2MB in the beginning and 637.5MB in the end (delta: 352.3MB). Free memory was 237.7MB in the beginning and 235.6MB in the end (delta: 2.1MB). Peak memory consumption was 353.0MB. Max. memory is 16.1GB.
 * Witness Printer took 4.59ms. Allocated memory is still 637.5MB. Free memory was 235.6MB in the beginning and 235.5MB in the end (delta: 138.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: overapproximation of memtrack at line 18. 
Possible FailurePath: 
[L710]               0  int __unbuffered_cnt = 0;
[L712]               0  int __unbuffered_p0_EAX = 0;
[L713]               0  _Bool __unbuffered_p0_EAX$flush_delayed;
[L714]               0  int __unbuffered_p0_EAX$mem_tmp;
[L715]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd0;
[L716]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd1;
[L717]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd2;
[L718]               0  _Bool __unbuffered_p0_EAX$r_buff0_thd3;
[L719]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd0;
[L720]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd1;
[L721]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd2;
[L722]               0  _Bool __unbuffered_p0_EAX$r_buff1_thd3;
[L723]               0  _Bool __unbuffered_p0_EAX$read_delayed;
[L724]               0  int *__unbuffered_p0_EAX$read_delayed_var;
[L725]               0  int __unbuffered_p0_EAX$w_buff0;
[L726]               0  _Bool __unbuffered_p0_EAX$w_buff0_used;
[L727]               0  int __unbuffered_p0_EAX$w_buff1;
[L728]               0  _Bool __unbuffered_p0_EAX$w_buff1_used;
[L730]               0  int __unbuffered_p1_EAX = 0;
[L732]               0  int __unbuffered_p1_EBX = 0;
[L733]               0  _Bool main$tmp_guard0;
[L734]               0  _Bool main$tmp_guard1;
[L736]               0  int x = 0;
[L736]               0  int x = 0;
[L737]               0  _Bool x$flush_delayed;
[L738]               0  int x$mem_tmp;
[L739]               0  _Bool x$r_buff0_thd0;
[L740]               0  _Bool x$r_buff0_thd1;
[L741]               0  _Bool x$r_buff0_thd2;
[L742]               0  _Bool x$r_buff0_thd3;
[L743]               0  _Bool x$r_buff1_thd0;
[L744]               0  _Bool x$r_buff1_thd1;
[L745]               0  _Bool x$r_buff1_thd2;
[L746]               0  _Bool x$r_buff1_thd3;
[L747]               0  _Bool x$read_delayed;
[L748]               0  int *x$read_delayed_var;
[L749]               0  int x$w_buff0;
[L750]               0  _Bool x$w_buff0_used;
[L751]               0  int x$w_buff1;
[L752]               0  _Bool x$w_buff1_used;
[L754]               0  int y = 0;
[L755]               0  _Bool weak$$choice0;
[L756]               0  _Bool weak$$choice1;
[L757]               0  _Bool weak$$choice2;
[L847]               0  pthread_t t1693;
[L848]  FCALL, FORK  0  pthread_create(&t1693, ((void *)0), P0, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1693=-2, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L761]               1  weak$$choice0 = __VERIFIER_nondet_bool()
[L762]               1  weak$$choice2 = __VERIFIER_nondet_bool()
[L763]               1  x$flush_delayed = weak$$choice2
[L764]  EXPR         1  \read(x)
[L764]               1  x$mem_tmp = x
[L765]  EXPR         1  !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L765]  EXPR         1  \read(x)
[L765]  EXPR         1  !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L765]               1  x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L766]               1  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L767]               1  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))
[L768]               1  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))
[L769]               1  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L770]               1  x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))
[L771]               1  x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L772]               1  __unbuffered_p0_EAX$read_delayed = (_Bool)1
[L773]               1  __unbuffered_p0_EAX$read_delayed_var = &x
[L774]  EXPR         1  \read(x)
[L774]               1  __unbuffered_p0_EAX = x
[L775]  EXPR         1  x$flush_delayed ? x$mem_tmp : x
[L775]  EXPR         1  \read(x)
[L775]  EXPR         1  x$flush_delayed ? x$mem_tmp : x
[L775]               1  x = x$flush_delayed ? x$mem_tmp : x
[L776]               1  x$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L849]               0  pthread_t t1694;
[L850]  FCALL, FORK  0  pthread_create(&t1694, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1693=-2, t1694=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0]
[L851]               0  pthread_t t1695;
[L779]               1  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1]
[L791]               2  y = 2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L794]               2  __unbuffered_p1_EAX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L797]               2  weak$$choice0 = __VERIFIER_nondet_bool()
[L798]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L799]               2  x$flush_delayed = weak$$choice2
[L800]  EXPR         2  \read(x)
[L800]               2  x$mem_tmp = x
[L801]  EXPR         2  !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)
[L801]  EXPR         2  \read(x)
[L801]  EXPR         2  !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)
[L801]               2  x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)
[L802]               2  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0))
[L803]               2  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))
[L804]               2  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used))
[L805]               2  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L806]               2  x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2))
[L807]               2  x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L808]  EXPR         2  \read(x)
[L808]               2  __unbuffered_p1_EBX = x
[L809]  EXPR         2  x$flush_delayed ? x$mem_tmp : x
[L809]  EXPR         2  x$flush_delayed ? x$mem_tmp : x
[L809]               2  x = x$flush_delayed ? x$mem_tmp : x
[L810]               2  x$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L852]  FCALL, FORK  0  pthread_create(&t1695, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1693=-2, t1694=-1, t1695=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L822]               3  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L825]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L825]  EXPR         3  x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x
[L825]  EXPR         3  \read(x)
[L825]  EXPR         3  x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x
[L825]  EXPR         3  x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L825]               3  x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x)
[L826]               3  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used
[L827]               3  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used
[L828]               3  x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3
[L829]               3  x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L784]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L815]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L832]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L854]               0  main$tmp_guard0 = __unbuffered_cnt == 3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1693=-2, t1694=-1, t1695=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L856]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L4]    COND FALSE   0  !(!cond)
[L856]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L858]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L858]  EXPR         0  x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x
[L858]  EXPR         0  \read(x)
[L858]  EXPR         0  x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x
[L858]  EXPR         0  x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L858]               0  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L859]               0  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L860]               0  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L861]               0  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L862]               0  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1693=-2, t1694=-1, t1695=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L865]               0  weak$$choice1 = __VERIFIER_nondet_bool()
[L866]  EXPR         0  __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L866]  EXPR         0  weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX
[L866]  EXPR         0  \read(*__unbuffered_p0_EAX$read_delayed_var)
[L866]  EXPR         0  weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX
[L866]  EXPR         0  __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L866]               0  __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX
[L867]               0  main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1693=-2, t1694=-1, t1695=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L869]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L19]   COND TRUE    0  !expression
[L19]   CALL         0  reach_error()
[L18]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]
[L18]                0  __assert_fail ("0", "rfi006_rmo.c", 9, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=2]

  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 845]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 848]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 852]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 850]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 132 locations, 71 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: 13.5s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 337 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 713 IncrementalHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 6 mSDtfsCounter, 713 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=9, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 607 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1215 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 01:30:33,189 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e3b1235-4487-4620-9f2e-93a7f0655645/bin/uautomizer-verify-LYvppIcaGC/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:
UNKNOWN: Overapproximated counterexample