./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.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_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/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_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/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_54f95ff6-9b78-41b9-a310-a5b0e28393d4/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 d8f535cb798ce58a79ec2e9a728d4e5d884025e215c7cfd9880fc53267dd5a20
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:45:32,919 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:45:33,005 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-24 00:45:33,011 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:45:33,011 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:45:33,041 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:45:33,042 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:45:33,042 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:45:33,042 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:45:33,042 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 00:45:33,042 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:45:33,042 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:45:33,043 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:45:33,043 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 00:45:33,043 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 00:45:33,043 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:45:33,043 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 00:45:33,043 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 00:45:33,043 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 00:45:33,044 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 00:45:33,044 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-24 00:45:33,044 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-24 00:45:33,044 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-24 00:45:33,044 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:45:33,044 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-24 00:45:33,044 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-24 00:45:33,044 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 00:45:33,045 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:45:33,045 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 00:45:33,045 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:45:33,045 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:45:33,045 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:45:33,045 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:45:33,045 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:45:33,045 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:45:33,046 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:45:33,046 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:45:33,046 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:45:33,046 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:45:33,046 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:45:33,046 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:45:33,046 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-24 00:45:33,046 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:45:33,047 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:45:33,047 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:45:33,047 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:45:33,047 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:45:33,047 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_54f95ff6-9b78-41b9-a310-a5b0e28393d4/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 -> d8f535cb798ce58a79ec2e9a728d4e5d884025e215c7cfd9880fc53267dd5a20
[2024-11-24 00:45:33,358 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:45:33,368 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:45:33,370 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:45:33,373 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 00:45:33,374 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 00:45:33,376 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-24 00:45:36,373 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data/08fe14c5c/bb1dbf0e42534d308cf5cc45fb106c14/FLAGe41b8a6be
[2024-11-24 00:45:36,815 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 00:45:36,816 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-24 00:45:36,836 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data/08fe14c5c/bb1dbf0e42534d308cf5cc45fb106c14/FLAGe41b8a6be
[2024-11-24 00:45:36,863 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data/08fe14c5c/bb1dbf0e42534d308cf5cc45fb106c14
[2024-11-24 00:45:36,866 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:45:36,868 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:45:36,871 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:45:36,871 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:45:36,876 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:45:36,877 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:45:36" (1/1) ...
[2024-11-24 00:45:36,879 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcfa840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:36, skipping insertion in model container
[2024-11-24 00:45:36,881 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:45:36" (1/1) ...
[2024-11-24 00:45:36,951 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:45:37,536 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:45:37,555 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 00:45:37,688 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:45:37,749 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 00:45:37,751 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37 WrapperNode
[2024-11-24 00:45:37,751 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:45:37,752 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:45:37,752 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:45:37,752 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:45:37,762 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,781 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,814 INFO  L138                Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 131
[2024-11-24 00:45:37,814 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:45:37,815 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:45:37,815 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:45:37,815 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:45:37,825 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,825 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,829 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,856 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:45:37,856 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,856 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,865 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,867 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,869 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,871 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,872 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,876 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:45:37,877 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:45:37,877 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:45:37,877 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:45:37,878 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (1/1) ...
[2024-11-24 00:45:37,884 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:45:37,899 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:45:37,914 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:45:37,917 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:45:37,946 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-24 00:45:37,947 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:45:37,947 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-24 00:45:37,947 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-24 00:45:37,947 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-24 00:45:37,947 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-24 00:45:37,947 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-24 00:45:37,947 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-24 00:45:37,947 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2024-11-24 00:45:37,947 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2024-11-24 00:45:37,948 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:45:37,948 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-24 00:45:37,948 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:45:37,948 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:45:37,949 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 00:45:38,148 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 00:45:38,151 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:45:38,614 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 00:45:38,615 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 00:45:38,964 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:45:38,964 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 00:45:38,964 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:45:38 BoogieIcfgContainer
[2024-11-24 00:45:38,964 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:45:38,969 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:45:38,970 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:45:38,977 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:45:38,977 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:45:36" (1/3) ...
[2024-11-24 00:45:38,979 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9bcf4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:45:38, skipping insertion in model container
[2024-11-24 00:45:38,979 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:45:37" (2/3) ...
[2024-11-24 00:45:38,979 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9bcf4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:45:38, skipping insertion in model container
[2024-11-24 00:45:38,980 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:45:38" (3/3) ...
[2024-11-24 00:45:38,982 INFO  L128   eAbstractionObserver]: Analyzing ICFG mix027_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-24 00:45:39,002 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:45:39,003 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG mix027_power.oepc_pso.oepc_rmo.oepc.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 3 error locations.
[2024-11-24 00:45:39,006 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 00:45:39,108 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 00:45:39,163 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow
[2024-11-24 00:45:39,218 INFO  L124   PetriNetUnfolderBase]: 2/50 cut-off events.
[2024-11-24 00:45:39,225 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:45:39,232 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. 
[2024-11-24 00:45:39,232 INFO  L82        GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow
[2024-11-24 00:45:39,238 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow
[2024-11-24 00:45:39,248 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:45:39,261 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;@5a097926, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:45:39,261 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-24 00:45:39,270 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 00:45:39,270 INFO  L124   PetriNetUnfolderBase]: 0/4 cut-off events.
[2024-11-24 00:45:39,270 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:45:39,271 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:39,271 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-24 00:45:39,272 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:39,279 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:39,279 INFO  L85        PathProgramCache]: Analyzing trace with hash 12890489, now seen corresponding path program 1 times
[2024-11-24 00:45:39,288 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:39,288 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531880739]
[2024-11-24 00:45:39,288 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:45:39,289 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:39,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:45:39,868 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 00:45:39,869 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:39,869 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531880739]
[2024-11-24 00:45:39,870 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531880739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:39,872 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:39,872 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 00:45:39,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667287151]
[2024-11-24 00:45:39,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:39,884 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:45:39,889 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:39,917 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:45:39,917 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:45:39,920 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 25 out of 54
[2024-11-24 00:45:39,923 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 00:45:39,924 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:39,924 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 54
[2024-11-24 00:45:39,925 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:45:41,948 INFO  L124   PetriNetUnfolderBase]: 3311/5438 cut-off events.
[2024-11-24 00:45:41,949 INFO  L125   PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES.
[2024-11-24 00:45:41,971 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10118 conditions, 5438 events. 3311/5438 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 38875 event pairs, 593 based on Foata normal form. 288/5671 useless extension candidates. Maximal degree in co-relation 10106. Up to 3661 conditions per place. 
[2024-11-24 00:45:42,007 INFO  L140   encePairwiseOnDemand]: 49/54 looper letters, 41 selfloop transitions, 2 changer transitions 2/66 dead transitions.
[2024-11-24 00:45:42,009 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 66 transitions, 243 flow
[2024-11-24 00:45:42,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:45:42,014 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:45:42,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 125 transitions.
[2024-11-24 00:45:42,030 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.7716049382716049
[2024-11-24 00:45:42,032 INFO  L175             Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 125 transitions.
[2024-11-24 00:45:42,033 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 66 transitions, 243 flow
[2024-11-24 00:45:42,042 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 66 transitions, 236 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-24 00:45:42,047 INFO  L231             Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow
[2024-11-24 00:45:42,050 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45}
[2024-11-24 00:45:42,056 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places.
[2024-11-24 00:45:42,056 INFO  L471      AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow
[2024-11-24 00:45:42,057 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 00:45:42,057 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:42,057 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 00:45:42,058 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 00:45:42,058 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:42,059 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:42,060 INFO  L85        PathProgramCache]: Analyzing trace with hash 299462370, now seen corresponding path program 1 times
[2024-11-24 00:45:42,060 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:42,060 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531054462]
[2024-11-24 00:45:42,060 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:45:42,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:42,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:45:42,250 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 00:45:42,250 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:42,250 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531054462]
[2024-11-24 00:45:42,250 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531054462] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:42,251 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:42,251 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 00:45:42,251 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153559721]
[2024-11-24 00:45:42,251 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:42,255 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:45:42,256 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:42,256 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:45:42,256 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:45:42,257 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54
[2024-11-24 00:45:42,257 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand  has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:45:42,257 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:42,257 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54
[2024-11-24 00:45:42,257 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:45:43,343 INFO  L124   PetriNetUnfolderBase]: 2903/4911 cut-off events.
[2024-11-24 00:45:43,344 INFO  L125   PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES.
[2024-11-24 00:45:43,361 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 9315 conditions, 4911 events. 2903/4911 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 34666 event pairs, 2903 based on Foata normal form. 144/4885 useless extension candidates. Maximal degree in co-relation 9305. Up to 4016 conditions per place. 
[2024-11-24 00:45:43,390 INFO  L140   encePairwiseOnDemand]: 52/54 looper letters, 22 selfloop transitions, 1 changer transitions 1/44 dead transitions.
[2024-11-24 00:45:43,391 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 148 flow
[2024-11-24 00:45:43,391 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:45:43,392 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:45:43,394 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions.
[2024-11-24 00:45:43,394 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.5987654320987654
[2024-11-24 00:45:43,394 INFO  L175             Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 97 transitions.
[2024-11-24 00:45:43,395 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 148 flow
[2024-11-24 00:45:43,396 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:45:43,399 INFO  L231             Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow
[2024-11-24 00:45:43,400 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43}
[2024-11-24 00:45:43,401 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places.
[2024-11-24 00:45:43,401 INFO  L471      AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow
[2024-11-24 00:45:43,401 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:45:43,402 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:43,402 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 00:45:43,402 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:45:43,402 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:43,403 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:43,404 INFO  L85        PathProgramCache]: Analyzing trace with hash 299463748, now seen corresponding path program 1 times
[2024-11-24 00:45:43,404 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:43,404 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889871659]
[2024-11-24 00:45:43,405 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:45:43,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:43,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:45:43,862 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 00:45:43,862 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:43,863 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889871659]
[2024-11-24 00:45:43,863 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889871659] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:43,863 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:43,863 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:45:43,863 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78933070]
[2024-11-24 00:45:43,864 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:43,864 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:45:43,864 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:43,865 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:45:43,865 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:45:43,898 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54
[2024-11-24 00:45:43,898 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand  has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 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 00:45:43,899 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:43,899 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54
[2024-11-24 00:45:43,899 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:45:46,118 INFO  L124   PetriNetUnfolderBase]: 8875/13627 cut-off events.
[2024-11-24 00:45:46,118 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:45:46,162 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25949 conditions, 13627 events. 8875/13627 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 96356 event pairs, 1033 based on Foata normal form. 400/13862 useless extension candidates. Maximal degree in co-relation 25943. Up to 7301 conditions per place. 
[2024-11-24 00:45:46,229 INFO  L140   encePairwiseOnDemand]: 47/54 looper letters, 53 selfloop transitions, 6 changer transitions 1/75 dead transitions.
[2024-11-24 00:45:46,229 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 75 transitions, 286 flow
[2024-11-24 00:45:46,229 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 00:45:46,230 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 00:45:46,232 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 142 transitions.
[2024-11-24 00:45:46,232 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6574074074074074
[2024-11-24 00:45:46,232 INFO  L175             Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 4 states and 142 transitions.
[2024-11-24 00:45:46,232 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 75 transitions, 286 flow
[2024-11-24 00:45:46,233 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 75 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:45:46,236 INFO  L231             Difference]: Finished difference. Result has 58 places, 47 transitions, 137 flow
[2024-11-24 00:45:46,237 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=137, PETRI_PLACES=58, PETRI_TRANSITIONS=47}
[2024-11-24 00:45:46,238 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places.
[2024-11-24 00:45:46,238 INFO  L471      AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 137 flow
[2024-11-24 00:45:46,238 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 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 00:45:46,238 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:46,239 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 00:45:46,239 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:45:46,239 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:46,240 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:46,240 INFO  L85        PathProgramCache]: Analyzing trace with hash -1800833149, now seen corresponding path program 1 times
[2024-11-24 00:45:46,240 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:46,240 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713810332]
[2024-11-24 00:45:46,240 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:45:46,240 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:46,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:45:46,748 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 00:45:46,748 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:46,749 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713810332]
[2024-11-24 00:45:46,749 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713810332] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:46,749 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:46,749 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:45:46,750 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149327573]
[2024-11-24 00:45:46,750 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:46,751 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:45:46,751 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:46,752 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:45:46,752 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:45:46,762 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54
[2024-11-24 00:45:46,762 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 137 flow. Second operand  has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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 00:45:46,763 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:46,763 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54
[2024-11-24 00:45:46,763 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:45:48,659 INFO  L124   PetriNetUnfolderBase]: 6751/10387 cut-off events.
[2024-11-24 00:45:48,659 INFO  L125   PetriNetUnfolderBase]: For 2428/2428 co-relation queries the response was YES.
[2024-11-24 00:45:48,689 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 23244 conditions, 10387 events. 6751/10387 cut-off events. For 2428/2428 co-relation queries the response was YES. Maximal size of possible extension queue 561. Compared 69441 event pairs, 451 based on Foata normal form. 364/10606 useless extension candidates. Maximal degree in co-relation 23235. Up to 4601 conditions per place. 
[2024-11-24 00:45:48,723 INFO  L140   encePairwiseOnDemand]: 47/54 looper letters, 68 selfloop transitions, 10 changer transitions 1/94 dead transitions.
[2024-11-24 00:45:48,724 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 94 transitions, 418 flow
[2024-11-24 00:45:48,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 00:45:48,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 00:45:48,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions.
[2024-11-24 00:45:48,726 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6703703703703704
[2024-11-24 00:45:48,726 INFO  L175             Difference]: Start difference. First operand has 58 places, 47 transitions, 137 flow. Second operand 5 states and 181 transitions.
[2024-11-24 00:45:48,726 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 94 transitions, 418 flow
[2024-11-24 00:45:48,733 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 94 transitions, 407 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-24 00:45:48,734 INFO  L231             Difference]: Finished difference. Result has 62 places, 51 transitions, 189 flow
[2024-11-24 00:45:48,736 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=62, PETRI_TRANSITIONS=51}
[2024-11-24 00:45:48,737 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places.
[2024-11-24 00:45:48,737 INFO  L471      AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 189 flow
[2024-11-24 00:45:48,737 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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 00:45:48,738 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:48,738 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 00:45:48,738 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 00:45:48,738 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:48,739 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:48,739 INFO  L85        PathProgramCache]: Analyzing trace with hash 735979333, now seen corresponding path program 1 times
[2024-11-24 00:45:48,739 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:48,741 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627054337]
[2024-11-24 00:45:48,741 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:45:48,741 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:48,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:45:49,153 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 00:45:49,153 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:49,153 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627054337]
[2024-11-24 00:45:49,153 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627054337] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:49,154 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:49,154 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:45:49,154 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143785775]
[2024-11-24 00:45:49,154 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:49,154 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:45:49,155 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:49,155 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:45:49,155 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:45:49,162 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54
[2024-11-24 00:45:49,163 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 189 flow. Second operand  has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 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 00:45:49,163 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:49,163 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54
[2024-11-24 00:45:49,163 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:45:50,086 INFO  L124   PetriNetUnfolderBase]: 4259/6443 cut-off events.
[2024-11-24 00:45:50,086 INFO  L125   PetriNetUnfolderBase]: For 4750/4750 co-relation queries the response was YES.
[2024-11-24 00:45:50,106 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16286 conditions, 6443 events. 4259/6443 cut-off events. For 4750/4750 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 37567 event pairs, 289 based on Foata normal form. 244/6553 useless extension candidates. Maximal degree in co-relation 16275. Up to 1788 conditions per place. 
[2024-11-24 00:45:50,126 INFO  L140   encePairwiseOnDemand]: 47/54 looper letters, 81 selfloop transitions, 14 changer transitions 1/111 dead transitions.
[2024-11-24 00:45:50,126 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 111 transitions, 549 flow
[2024-11-24 00:45:50,126 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:45:50,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:45:50,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 218 transitions.
[2024-11-24 00:45:50,128 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6728395061728395
[2024-11-24 00:45:50,128 INFO  L175             Difference]: Start difference. First operand has 62 places, 51 transitions, 189 flow. Second operand 6 states and 218 transitions.
[2024-11-24 00:45:50,128 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 111 transitions, 549 flow
[2024-11-24 00:45:50,148 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 111 transitions, 519 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-24 00:45:50,150 INFO  L231             Difference]: Finished difference. Result has 65 places, 55 transitions, 239 flow
[2024-11-24 00:45:50,150 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=239, PETRI_PLACES=65, PETRI_TRANSITIONS=55}
[2024-11-24 00:45:50,151 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places.
[2024-11-24 00:45:50,151 INFO  L471      AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 239 flow
[2024-11-24 00:45:50,151 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 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 00:45:50,151 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:50,151 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:45:50,152 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 00:45:50,152 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:50,152 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:50,152 INFO  L85        PathProgramCache]: Analyzing trace with hash -1064207219, now seen corresponding path program 1 times
[2024-11-24 00:45:50,152 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:50,152 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098293593]
[2024-11-24 00:45:50,152 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:45:50,153 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:50,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:45:50,661 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 00:45:50,661 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:50,661 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098293593]
[2024-11-24 00:45:50,662 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098293593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:50,662 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:50,662 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:45:50,662 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605406287]
[2024-11-24 00:45:50,662 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:50,662 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 00:45:50,663 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:50,663 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 00:45:50,663 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:45:50,677 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54
[2024-11-24 00:45:50,677 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 239 flow. Second operand  has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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 00:45:50,677 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:50,677 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54
[2024-11-24 00:45:50,677 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:45:51,565 INFO  L124   PetriNetUnfolderBase]: 2895/4211 cut-off events.
[2024-11-24 00:45:51,565 INFO  L125   PetriNetUnfolderBase]: For 5022/5022 co-relation queries the response was YES.
[2024-11-24 00:45:51,586 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 11687 conditions, 4211 events. 2895/4211 cut-off events. For 5022/5022 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 21805 event pairs, 231 based on Foata normal form. 96/4173 useless extension candidates. Maximal degree in co-relation 11675. Up to 1316 conditions per place. 
[2024-11-24 00:45:51,602 INFO  L140   encePairwiseOnDemand]: 47/54 looper letters, 72 selfloop transitions, 18 changer transitions 1/106 dead transitions.
[2024-11-24 00:45:51,602 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 106 transitions, 539 flow
[2024-11-24 00:45:51,603 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-24 00:45:51,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-24 00:45:51,604 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 233 transitions.
[2024-11-24 00:45:51,604 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6164021164021164
[2024-11-24 00:45:51,604 INFO  L175             Difference]: Start difference. First operand has 65 places, 55 transitions, 239 flow. Second operand 7 states and 233 transitions.
[2024-11-24 00:45:51,604 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 106 transitions, 539 flow
[2024-11-24 00:45:51,644 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 106 transitions, 493 flow, removed 9 selfloop flow, removed 5 redundant places.
[2024-11-24 00:45:51,645 INFO  L231             Difference]: Finished difference. Result has 68 places, 55 transitions, 249 flow
[2024-11-24 00:45:51,646 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=249, PETRI_PLACES=68, PETRI_TRANSITIONS=55}
[2024-11-24 00:45:51,647 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 7 predicate places.
[2024-11-24 00:45:51,647 INFO  L471      AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 249 flow
[2024-11-24 00:45:51,647 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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 00:45:51,647 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:51,647 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:45:51,647 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 00:45:51,648 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:51,648 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:51,648 INFO  L85        PathProgramCache]: Analyzing trace with hash 1522059816, now seen corresponding path program 1 times
[2024-11-24 00:45:51,648 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:51,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881498872]
[2024-11-24 00:45:51,649 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:45:51,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:51,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:45:54,054 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 00:45:54,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:54,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881498872]
[2024-11-24 00:45:54,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881498872] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:54,055 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:54,056 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 00:45:54,056 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991588910]
[2024-11-24 00:45:54,056 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:54,056 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-24 00:45:54,056 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:54,057 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-24 00:45:54,057 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-24 00:45:54,076 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54
[2024-11-24 00:45:54,077 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 249 flow. Second operand  has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 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 00:45:54,077 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:54,077 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54
[2024-11-24 00:45:54,077 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:45:55,031 INFO  L124   PetriNetUnfolderBase]: 2149/3522 cut-off events.
[2024-11-24 00:45:55,033 INFO  L125   PetriNetUnfolderBase]: For 2226/2352 co-relation queries the response was YES.
[2024-11-24 00:45:55,050 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 8632 conditions, 3522 events. 2149/3522 cut-off events. For 2226/2352 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 21413 event pairs, 519 based on Foata normal form. 16/3331 useless extension candidates. Maximal degree in co-relation 8619. Up to 1087 conditions per place. 
[2024-11-24 00:45:55,063 INFO  L140   encePairwiseOnDemand]: 46/54 looper letters, 56 selfloop transitions, 5 changer transitions 16/108 dead transitions.
[2024-11-24 00:45:55,064 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 108 transitions, 531 flow
[2024-11-24 00:45:55,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-24 00:45:55,064 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-24 00:45:55,066 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 294 transitions.
[2024-11-24 00:45:55,066 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6049382716049383
[2024-11-24 00:45:55,066 INFO  L175             Difference]: Start difference. First operand has 68 places, 55 transitions, 249 flow. Second operand 9 states and 294 transitions.
[2024-11-24 00:45:55,066 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 108 transitions, 531 flow
[2024-11-24 00:45:55,092 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 108 transitions, 425 flow, removed 22 selfloop flow, removed 10 redundant places.
[2024-11-24 00:45:55,094 INFO  L231             Difference]: Finished difference. Result has 70 places, 56 transitions, 176 flow
[2024-11-24 00:45:55,094 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=176, PETRI_PLACES=70, PETRI_TRANSITIONS=56}
[2024-11-24 00:45:55,094 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 9 predicate places.
[2024-11-24 00:45:55,096 INFO  L471      AbstractCegarLoop]: Abstraction has has 70 places, 56 transitions, 176 flow
[2024-11-24 00:45:55,096 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 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 00:45:55,096 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:55,096 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:45:55,096 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 00:45:55,096 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:55,098 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:55,098 INFO  L85        PathProgramCache]: Analyzing trace with hash 915962552, now seen corresponding path program 2 times
[2024-11-24 00:45:55,098 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:55,098 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164557288]
[2024-11-24 00:45:55,098 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:45:55,099 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:55,230 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:45:55,231 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:45:55,596 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 00:45:55,596 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:55,596 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164557288]
[2024-11-24 00:45:55,597 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164557288] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:55,597 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:55,597 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:45:55,597 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764126175]
[2024-11-24 00:45:55,597 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:55,597 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:45:55,597 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:55,598 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:45:55,598 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:45:55,624 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 54
[2024-11-24 00:45:55,625 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 56 transitions, 176 flow. Second operand  has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:45:55,625 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:55,625 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 54
[2024-11-24 00:45:55,625 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:45:57,264 INFO  L124   PetriNetUnfolderBase]: 10755/16507 cut-off events.
[2024-11-24 00:45:57,264 INFO  L125   PetriNetUnfolderBase]: For 2509/2509 co-relation queries the response was YES.
[2024-11-24 00:45:57,307 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 35299 conditions, 16507 events. 10755/16507 cut-off events. For 2509/2509 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 112917 event pairs, 3624 based on Foata normal form. 16/15930 useless extension candidates. Maximal degree in co-relation 35287. Up to 7858 conditions per place. 
[2024-11-24 00:45:57,337 INFO  L140   encePairwiseOnDemand]: 43/54 looper letters, 43 selfloop transitions, 8 changer transitions 14/90 dead transitions.
[2024-11-24 00:45:57,338 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 90 transitions, 395 flow
[2024-11-24 00:45:57,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 00:45:57,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 00:45:57,339 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions.
[2024-11-24 00:45:57,339 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.5703703703703704
[2024-11-24 00:45:57,339 INFO  L175             Difference]: Start difference. First operand has 70 places, 56 transitions, 176 flow. Second operand 5 states and 154 transitions.
[2024-11-24 00:45:57,339 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 90 transitions, 395 flow
[2024-11-24 00:45:57,347 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 90 transitions, 375 flow, removed 5 selfloop flow, removed 6 redundant places.
[2024-11-24 00:45:57,348 INFO  L231             Difference]: Finished difference. Result has 69 places, 62 transitions, 227 flow
[2024-11-24 00:45:57,349 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=227, PETRI_PLACES=69, PETRI_TRANSITIONS=62}
[2024-11-24 00:45:57,349 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 8 predicate places.
[2024-11-24 00:45:57,349 INFO  L471      AbstractCegarLoop]: Abstraction has has 69 places, 62 transitions, 227 flow
[2024-11-24 00:45:57,349 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:45:57,350 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:45:57,350 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:45:57,350 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 00:45:57,350 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:45:57,350 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:45:57,350 INFO  L85        PathProgramCache]: Analyzing trace with hash 225199580, now seen corresponding path program 3 times
[2024-11-24 00:45:57,351 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:45:57,351 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408850535]
[2024-11-24 00:45:57,351 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-24 00:45:57,351 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:45:57,462 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-24 00:45:57,462 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:45:57,809 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 00:45:57,809 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:45:57,809 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408850535]
[2024-11-24 00:45:57,810 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408850535] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:45:57,810 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:45:57,810 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:45:57,810 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921337126]
[2024-11-24 00:45:57,810 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:45:57,810 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:45:57,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:45:57,811 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:45:57,811 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:45:57,830 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 54
[2024-11-24 00:45:57,830 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 62 transitions, 227 flow. Second operand  has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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 00:45:57,830 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:45:57,830 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 54
[2024-11-24 00:45:57,830 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:00,467 INFO  L124   PetriNetUnfolderBase]: 12986/19824 cut-off events.
[2024-11-24 00:46:00,467 INFO  L125   PetriNetUnfolderBase]: For 6996/7018 co-relation queries the response was YES.
[2024-11-24 00:46:00,579 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 48276 conditions, 19824 events. 12986/19824 cut-off events. For 6996/7018 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 137727 event pairs, 3020 based on Foata normal form. 26/19097 useless extension candidates. Maximal degree in co-relation 48263. Up to 9140 conditions per place. 
[2024-11-24 00:46:00,614 INFO  L140   encePairwiseOnDemand]: 43/54 looper letters, 55 selfloop transitions, 10 changer transitions 24/114 dead transitions.
[2024-11-24 00:46:00,614 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 114 transitions, 567 flow
[2024-11-24 00:46:00,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:46:00,615 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:46:00,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 192 transitions.
[2024-11-24 00:46:00,618 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.5925925925925926
[2024-11-24 00:46:00,618 INFO  L175             Difference]: Start difference. First operand has 69 places, 62 transitions, 227 flow. Second operand 6 states and 192 transitions.
[2024-11-24 00:46:00,618 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 114 transitions, 567 flow
[2024-11-24 00:46:00,804 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 114 transitions, 527 flow, removed 3 selfloop flow, removed 5 redundant places.
[2024-11-24 00:46:00,806 INFO  L231             Difference]: Finished difference. Result has 71 places, 65 transitions, 269 flow
[2024-11-24 00:46:00,809 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=269, PETRI_PLACES=71, PETRI_TRANSITIONS=65}
[2024-11-24 00:46:00,810 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 10 predicate places.
[2024-11-24 00:46:00,810 INFO  L471      AbstractCegarLoop]: Abstraction has has 71 places, 65 transitions, 269 flow
[2024-11-24 00:46:00,810 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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 00:46:00,810 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:00,810 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:00,810 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 00:46:00,810 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:00,811 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:00,811 INFO  L85        PathProgramCache]: Analyzing trace with hash 97147742, now seen corresponding path program 4 times
[2024-11-24 00:46:00,811 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:46:00,811 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162986276]
[2024-11-24 00:46:00,811 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-24 00:46:00,811 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:46:00,939 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-24 00:46:00,940 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:46:01,208 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 00:46:01,209 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:46:01,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162986276]
[2024-11-24 00:46:01,209 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162986276] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:01,209 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:01,209 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:46:01,209 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629798592]
[2024-11-24 00:46:01,209 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:01,211 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:46:01,211 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:46:01,211 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:46:01,211 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:46:01,224 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54
[2024-11-24 00:46:01,225 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 65 transitions, 269 flow. Second operand  has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 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 00:46:01,225 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:01,225 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54
[2024-11-24 00:46:01,225 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:02,587 INFO  L124   PetriNetUnfolderBase]: 7333/12190 cut-off events.
[2024-11-24 00:46:02,588 INFO  L125   PetriNetUnfolderBase]: For 3748/4367 co-relation queries the response was YES.
[2024-11-24 00:46:02,649 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 27255 conditions, 12190 events. 7333/12190 cut-off events. For 3748/4367 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 89947 event pairs, 2142 based on Foata normal form. 125/11484 useless extension candidates. Maximal degree in co-relation 27239. Up to 4440 conditions per place. 
[2024-11-24 00:46:02,663 INFO  L140   encePairwiseOnDemand]: 49/54 looper letters, 33 selfloop transitions, 1 changer transitions 35/101 dead transitions.
[2024-11-24 00:46:02,663 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 101 transitions, 504 flow
[2024-11-24 00:46:02,664 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:46:02,664 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:46:02,665 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 193 transitions.
[2024-11-24 00:46:02,665 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.595679012345679
[2024-11-24 00:46:02,666 INFO  L175             Difference]: Start difference. First operand has 71 places, 65 transitions, 269 flow. Second operand 6 states and 193 transitions.
[2024-11-24 00:46:02,666 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 101 transitions, 504 flow
[2024-11-24 00:46:02,678 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 101 transitions, 490 flow, removed 5 selfloop flow, removed 3 redundant places.
[2024-11-24 00:46:02,679 INFO  L231             Difference]: Finished difference. Result has 75 places, 60 transitions, 243 flow
[2024-11-24 00:46:02,680 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=243, PETRI_PLACES=75, PETRI_TRANSITIONS=60}
[2024-11-24 00:46:02,680 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 14 predicate places.
[2024-11-24 00:46:02,680 INFO  L471      AbstractCegarLoop]: Abstraction has has 75 places, 60 transitions, 243 flow
[2024-11-24 00:46:02,680 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 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 00:46:02,681 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:02,681 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:02,681 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 00:46:02,681 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:02,681 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:02,681 INFO  L85        PathProgramCache]: Analyzing trace with hash -1760806274, now seen corresponding path program 5 times
[2024-11-24 00:46:02,681 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:46:02,682 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694776169]
[2024-11-24 00:46:02,682 INFO  L95    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-24 00:46:02,682 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:46:02,771 INFO  L229   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:46:02,771 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:46:03,029 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 00:46:03,029 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:46:03,030 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694776169]
[2024-11-24 00:46:03,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694776169] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:03,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:03,030 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:46:03,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251237437]
[2024-11-24 00:46:03,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:03,031 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:46:03,031 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:46:03,031 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:46:03,031 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:46:03,043 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54
[2024-11-24 00:46:03,043 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 60 transitions, 243 flow. Second operand  has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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 00:46:03,043 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:03,043 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54
[2024-11-24 00:46:03,044 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:04,419 INFO  L124   PetriNetUnfolderBase]: 5414/9268 cut-off events.
[2024-11-24 00:46:04,420 INFO  L125   PetriNetUnfolderBase]: For 2532/2590 co-relation queries the response was YES.
[2024-11-24 00:46:04,450 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 20707 conditions, 9268 events. 5414/9268 cut-off events. For 2532/2590 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 67896 event pairs, 2307 based on Foata normal form. 16/8633 useless extension candidates. Maximal degree in co-relation 20689. Up to 4243 conditions per place. 
[2024-11-24 00:46:04,459 INFO  L140   encePairwiseOnDemand]: 49/54 looper letters, 34 selfloop transitions, 3 changer transitions 21/89 dead transitions.
[2024-11-24 00:46:04,459 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 89 transitions, 439 flow
[2024-11-24 00:46:04,460 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 00:46:04,460 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 00:46:04,461 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166 transitions.
[2024-11-24 00:46:04,461 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6148148148148148
[2024-11-24 00:46:04,461 INFO  L175             Difference]: Start difference. First operand has 75 places, 60 transitions, 243 flow. Second operand 5 states and 166 transitions.
[2024-11-24 00:46:04,461 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 89 transitions, 439 flow
[2024-11-24 00:46:04,470 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 89 transitions, 402 flow, removed 5 selfloop flow, removed 7 redundant places.
[2024-11-24 00:46:04,472 INFO  L231             Difference]: Finished difference. Result has 72 places, 58 transitions, 214 flow
[2024-11-24 00:46:04,472 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=72, PETRI_TRANSITIONS=58}
[2024-11-24 00:46:04,473 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places.
[2024-11-24 00:46:04,473 INFO  L471      AbstractCegarLoop]: Abstraction has has 72 places, 58 transitions, 214 flow
[2024-11-24 00:46:04,473 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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 00:46:04,474 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:04,474 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:04,474 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 00:46:04,474 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:04,475 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:04,475 INFO  L85        PathProgramCache]: Analyzing trace with hash -1267773356, now seen corresponding path program 6 times
[2024-11-24 00:46:04,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:46:04,475 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561884189]
[2024-11-24 00:46:04,475 INFO  L95    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-11-24 00:46:04,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:46:04,575 INFO  L229   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s)
[2024-11-24 00:46:04,575 INFO  L230   tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-24 00:46:04,576 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:46:04,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:46:04,737 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 00:46:04,737 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:46:04,738 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining)
[2024-11-24 00:46:04,740 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining)
[2024-11-24 00:46:04,741 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining)
[2024-11-24 00:46:04,741 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining)
[2024-11-24 00:46:04,741 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining)
[2024-11-24 00:46:04,741 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining)
[2024-11-24 00:46:04,741 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining)
[2024-11-24 00:46:04,741 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining)
[2024-11-24 00:46:04,741 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 00:46:04,742 INFO  L422         BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:04,871 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 00:46:04,871 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:46:04,882 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:46:04 BasicIcfg
[2024-11-24 00:46:04,885 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:46:04,886 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:46:04,886 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:46:04,887 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-24 00:46:04,887 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:45:38" (3/4) ...
[2024-11-24 00:46:04,889 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-11-24 00:46:04,894 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:46:04,895 INFO  L158              Benchmark]: Toolchain (without parser) took 28027.36ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 115.7MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 292.7MB. Max. memory is 16.1GB.
[2024-11-24 00:46:04,896 INFO  L158              Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:46:04,897 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 880.47ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 91.5MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 00:46:04,898 INFO  L158              Benchmark]: Boogie Procedure Inliner took 62.22ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:46:04,898 INFO  L158              Benchmark]: Boogie Preprocessor took 61.22ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 85.8MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:46:04,898 INFO  L158              Benchmark]: RCFGBuilder took 1087.82ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 100.9MB in the end (delta: -15.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB.
[2024-11-24 00:46:04,899 INFO  L158              Benchmark]: TraceAbstraction took 25916.56ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 100.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 270.2MB. Max. memory is 16.1GB.
[2024-11-24 00:46:04,901 INFO  L158              Benchmark]: Witness Printer took 8.29ms. Allocated memory is still 1.6GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 193.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:46:04,902 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 880.47ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 91.5MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 62.22ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 61.22ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 85.8MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1087.82ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 100.9MB in the end (delta: -15.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 25916.56ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 100.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 270.2MB. Max. memory is 16.1GB.
 * Witness Printer took 8.29ms. Allocated memory is still 1.6GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 193.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: overapproximation of memtrack at line 17. 
Possible FailurePath: 
[L710]               0  int __unbuffered_cnt = 0;
[L712]               0  int __unbuffered_p1_EAX = 0;
[L714]               0  int __unbuffered_p3_EAX = 0;
[L716]               0  int __unbuffered_p3_EBX = 0;
[L718]               0  int a = 0;
[L719]               0  _Bool a$flush_delayed;
[L720]               0  int a$mem_tmp;
[L721]               0  _Bool a$r_buff0_thd0;
[L722]               0  _Bool a$r_buff0_thd1;
[L723]               0  _Bool a$r_buff0_thd2;
[L724]               0  _Bool a$r_buff0_thd3;
[L725]               0  _Bool a$r_buff0_thd4;
[L726]               0  _Bool a$r_buff1_thd0;
[L727]               0  _Bool a$r_buff1_thd1;
[L728]               0  _Bool a$r_buff1_thd2;
[L729]               0  _Bool a$r_buff1_thd3;
[L730]               0  _Bool a$r_buff1_thd4;
[L731]               0  _Bool a$read_delayed;
[L732]               0  int *a$read_delayed_var;
[L733]               0  int a$w_buff0;
[L734]               0  _Bool a$w_buff0_used;
[L735]               0  int a$w_buff1;
[L736]               0  _Bool a$w_buff1_used;
[L737]               0  _Bool main$tmp_guard0;
[L738]               0  _Bool main$tmp_guard1;
[L740]               0  int x = 0;
[L742]               0  int y = 0;
[L744]               0  int z = 0;
[L745]               0  _Bool weak$$choice0;
[L746]               0  _Bool weak$$choice2;
[L864]               0  pthread_t t713;
[L865]  FCALL, FORK  0  pthread_create(&t713, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t713=-3, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L750]               1  a$w_buff1 = a$w_buff0
[L751]               1  a$w_buff0 = 1
[L752]               1  a$w_buff1_used = a$w_buff0_used
[L753]               1  a$w_buff0_used = (_Bool)1
[L754]  CALL         1  __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used))
[L18]   COND FALSE   1  !(!expression)
[L754]  RET          1  __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used))
[L755]               1  a$r_buff1_thd0 = a$r_buff0_thd0
[L756]               1  a$r_buff1_thd1 = a$r_buff0_thd1
[L757]               1  a$r_buff1_thd2 = a$r_buff0_thd2
[L758]               1  a$r_buff1_thd3 = a$r_buff0_thd3
[L759]               1  a$r_buff1_thd4 = a$r_buff0_thd4
[L760]               1  a$r_buff0_thd1 = (_Bool)1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L866]               0  pthread_t t714;
[L867]  FCALL, FORK  0  pthread_create(&t714, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t713=-3, t714=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L763]               1  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0]
[L780]               2  x = 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L783]               2  __unbuffered_p1_EAX = y
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L786]               2  a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a)
[L787]               2  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used
[L788]               2  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used
[L789]               2  a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2
[L790]               2  a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L868]               0  pthread_t t715;
[L869]  FCALL, FORK  0  pthread_create(&t715, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t713=-3, t714=-2, t715=-1, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L800]               3  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0]
[L803]               3  z = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1]
[L806]               3  a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a)
[L807]               3  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used
[L808]               3  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used
[L809]               3  a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3
[L810]               3  a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1]
[L870]               0  pthread_t t716;
[L871]  FCALL, FORK  0  pthread_create(&t716, ((void *)0), P3, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t713=-3, t714=-2, t715=-1, t716=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1]
[L820]               4  z = 2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2]
[L823]               4  __unbuffered_p3_EAX = z
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2]
[L826]               4  weak$$choice0 = __VERIFIER_nondet_bool()
[L827]               4  weak$$choice2 = __VERIFIER_nondet_bool()
[L828]               4  a$flush_delayed = weak$$choice2
[L829]               4  a$mem_tmp = a
[L830]               4  a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1)
[L831]               4  a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0))
[L832]               4  a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1))
[L833]               4  a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used))
[L834]               4  a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L835]               4  a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4))
[L836]               4  a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L837]               4  __unbuffered_p3_EBX = a
[L838]               4  a = a$flush_delayed ? a$mem_tmp : a
[L839]               4  a$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L766]               1  a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a)
[L767]               1  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used
[L768]               1  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used
[L769]               1  a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1
[L770]               1  a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L773]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L793]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L813]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L842]               4  a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a)
[L843]               4  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used
[L844]               4  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used
[L845]               4  a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4
[L846]               4  a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L849]               4  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L873]               0  main$tmp_guard0 = __unbuffered_cnt == 4
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t713=-3, t714=-2, t715=-1, t716=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L875]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L875]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L877]               0  a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a)
[L878]               0  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used
[L879]               0  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used
[L880]               0  a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0
[L881]               0  a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t713=-3, t714=-2, t715=-1, t716=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L884]               0  main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t713=-3, t714=-2, t715=-1, t716=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L886]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
[L18]   CALL         0  reach_error()
[L17]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]
[L17]                0  __assert_fail ("0", "mix027_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=2]

  - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 862]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 871]: 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: 869]: 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: 867]: 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: 865]: 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 9 procedures, 87 locations, 8 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: 25.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 18.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 664 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 632 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 107 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1546 IncrementalHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 24 mSDtfsCounter, 1546 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=9, InterpolantAutomatonStates: 59, 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, 1.1s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 347 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 1429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 00:46:04,930 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
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_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/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_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/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_54f95ff6-9b78-41b9-a310-a5b0e28393d4/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 d8f535cb798ce58a79ec2e9a728d4e5d884025e215c7cfd9880fc53267dd5a20
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:46:07,824 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:46:07,973 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-24 00:46:07,980 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:46:07,980 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:46:08,004 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:46:08,005 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:46:08,005 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:46:08,006 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:46:08,006 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 00:46:08,006 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:46:08,006 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:46:08,007 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:46:08,007 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 00:46:08,007 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 00:46:08,007 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:46:08,007 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 00:46:08,008 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 00:46:08,008 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 00:46:08,008 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 00:46:08,008 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-24 00:46:08,008 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-24 00:46:08,008 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-24 00:46:08,009 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:46:08,009 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-24 00:46:08,009 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-24 00:46:08,009 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 00:46:08,009 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-24 00:46:08,009 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 00:46:08,009 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:46:08,010 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 00:46:08,010 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:46:08,010 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:46:08,010 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:46:08,010 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:46:08,010 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:46:08,011 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:46:08,011 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:46:08,011 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:46:08,011 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:46:08,011 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:46:08,011 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:46:08,011 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:46:08,012 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-24 00:46:08,012 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 00:46:08,012 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:46:08,012 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:46:08,012 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:46:08,012 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:46:08,012 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_54f95ff6-9b78-41b9-a310-a5b0e28393d4/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 -> d8f535cb798ce58a79ec2e9a728d4e5d884025e215c7cfd9880fc53267dd5a20
[2024-11-24 00:46:08,358 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:46:08,374 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:46:08,376 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:46:08,378 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 00:46:08,378 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 00:46:08,382 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-24 00:46:11,585 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data/cad391502/e7014dd8f6c942f6b7e0bb2cdfa84273/FLAGa48f7154e
[2024-11-24 00:46:12,011 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 00:46:12,012 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-24 00:46:12,034 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data/cad391502/e7014dd8f6c942f6b7e0bb2cdfa84273/FLAGa48f7154e
[2024-11-24 00:46:12,059 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/data/cad391502/e7014dd8f6c942f6b7e0bb2cdfa84273
[2024-11-24 00:46:12,062 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:46:12,064 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:46:12,066 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:46:12,067 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:46:12,076 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:46:12,077 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,078 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cce503f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12, skipping insertion in model container
[2024-11-24 00:46:12,078 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,138 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:46:12,589 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:46:12,612 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 00:46:12,690 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:46:12,735 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 00:46:12,736 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12 WrapperNode
[2024-11-24 00:46:12,736 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:46:12,737 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:46:12,737 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:46:12,738 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:46:12,745 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,762 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,787 INFO  L138                Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 132
[2024-11-24 00:46:12,788 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:46:12,788 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:46:12,789 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:46:12,789 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:46:12,799 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,799 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,806 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,845 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:46:12,850 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,850 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,874 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,875 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,878 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,884 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,889 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,896 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:46:12,897 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:46:12,897 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:46:12,897 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:46:12,898 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (1/1) ...
[2024-11-24 00:46:12,909 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:46:12,931 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:12,949 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:46:12,957 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:46:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-24 00:46:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:46:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 00:46:12,988 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-24 00:46:12,988 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-24 00:46:12,989 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-24 00:46:12,989 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-24 00:46:12,989 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-24 00:46:12,989 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-24 00:46:12,989 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2024-11-24 00:46:12,990 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2024-11-24 00:46:12,990 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-24 00:46:12,990 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:46:12,990 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:46:12,992 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 00:46:13,224 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 00:46:13,226 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:46:13,761 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 00:46:13,761 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 00:46:14,121 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:46:14,122 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 00:46:14,122 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:46:14 BoogieIcfgContainer
[2024-11-24 00:46:14,123 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:46:14,127 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:46:14,127 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:46:14,132 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:46:14,132 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:46:12" (1/3) ...
[2024-11-24 00:46:14,133 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dd5d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:46:14, skipping insertion in model container
[2024-11-24 00:46:14,133 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:12" (2/3) ...
[2024-11-24 00:46:14,135 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dd5d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:46:14, skipping insertion in model container
[2024-11-24 00:46:14,136 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:46:14" (3/3) ...
[2024-11-24 00:46:14,137 INFO  L128   eAbstractionObserver]: Analyzing ICFG mix027_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-24 00:46:14,157 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:46:14,159 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG mix027_power.oepc_pso.oepc_rmo.oepc.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 3 error locations.
[2024-11-24 00:46:14,159 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 00:46:14,261 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 00:46:14,303 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow
[2024-11-24 00:46:14,360 INFO  L124   PetriNetUnfolderBase]: 2/50 cut-off events.
[2024-11-24 00:46:14,366 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:46:14,373 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. 
[2024-11-24 00:46:14,374 INFO  L82        GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow
[2024-11-24 00:46:14,378 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow
[2024-11-24 00:46:14,391 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:46:14,414 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;@3f36baa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:46:14,415 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-11-24 00:46:14,420 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 00:46:14,422 INFO  L124   PetriNetUnfolderBase]: 0/4 cut-off events.
[2024-11-24 00:46:14,423 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:46:14,423 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:14,424 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-24 00:46:14,424 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:14,432 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:14,433 INFO  L85        PathProgramCache]: Analyzing trace with hash 12952057, now seen corresponding path program 1 times
[2024-11-24 00:46:14,448 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:14,448 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579526987]
[2024-11-24 00:46:14,449 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:46:14,449 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:14,449 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:14,454 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:14,456 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:46:14,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:46:14,612 INFO  L256         TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:14,616 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:14,653 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 00:46:14,653 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:14,654 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:14,654 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579526987]
[2024-11-24 00:46:14,654 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [579526987] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:14,654 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:14,655 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 00:46:14,656 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726395497]
[2024-11-24 00:46:14,657 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:14,665 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:46:14,670 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:14,700 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:46:14,701 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:46:14,703 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 25 out of 54
[2024-11-24 00:46:14,706 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 00:46:14,707 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:14,707 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 54
[2024-11-24 00:46:14,708 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:16,283 INFO  L124   PetriNetUnfolderBase]: 3311/5438 cut-off events.
[2024-11-24 00:46:16,284 INFO  L125   PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES.
[2024-11-24 00:46:16,308 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10118 conditions, 5438 events. 3311/5438 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 38875 event pairs, 593 based on Foata normal form. 288/5671 useless extension candidates. Maximal degree in co-relation 10106. Up to 3661 conditions per place. 
[2024-11-24 00:46:16,337 INFO  L140   encePairwiseOnDemand]: 49/54 looper letters, 41 selfloop transitions, 2 changer transitions 2/66 dead transitions.
[2024-11-24 00:46:16,338 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 66 transitions, 243 flow
[2024-11-24 00:46:16,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:46:16,340 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:46:16,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 125 transitions.
[2024-11-24 00:46:16,349 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.7716049382716049
[2024-11-24 00:46:16,350 INFO  L175             Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 125 transitions.
[2024-11-24 00:46:16,351 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 66 transitions, 243 flow
[2024-11-24 00:46:16,357 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 66 transitions, 236 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-24 00:46:16,359 INFO  L231             Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow
[2024-11-24 00:46:16,362 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45}
[2024-11-24 00:46:16,366 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places.
[2024-11-24 00:46:16,367 INFO  L471      AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow
[2024-11-24 00:46:16,367 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 00:46:16,367 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:16,367 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 00:46:16,379 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 00:46:16,568 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:16,568 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:16,569 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:16,570 INFO  L85        PathProgramCache]: Analyzing trace with hash 1378315492, now seen corresponding path program 1 times
[2024-11-24 00:46:16,571 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:16,573 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [499335240]
[2024-11-24 00:46:16,573 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:46:16,573 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:16,573 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:16,576 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:16,577 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 00:46:16,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:46:16,698 INFO  L256         TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:16,699 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:16,747 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 00:46:16,747 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:16,748 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:16,748 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499335240]
[2024-11-24 00:46:16,748 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [499335240] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:16,748 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:16,748 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-24 00:46:16,748 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95222759]
[2024-11-24 00:46:16,749 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:16,750 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:46:16,750 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:16,750 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:46:16,750 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:46:16,751 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54
[2024-11-24 00:46:16,751 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand  has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:46:16,751 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:16,751 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54
[2024-11-24 00:46:16,752 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:17,763 INFO  L124   PetriNetUnfolderBase]: 2903/4911 cut-off events.
[2024-11-24 00:46:17,763 INFO  L125   PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES.
[2024-11-24 00:46:17,779 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 9315 conditions, 4911 events. 2903/4911 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 34646 event pairs, 2903 based on Foata normal form. 144/4885 useless extension candidates. Maximal degree in co-relation 9305. Up to 4016 conditions per place. 
[2024-11-24 00:46:17,805 INFO  L140   encePairwiseOnDemand]: 52/54 looper letters, 22 selfloop transitions, 1 changer transitions 1/44 dead transitions.
[2024-11-24 00:46:17,805 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 148 flow
[2024-11-24 00:46:17,806 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:46:17,806 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:46:17,809 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions.
[2024-11-24 00:46:17,810 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.5987654320987654
[2024-11-24 00:46:17,811 INFO  L175             Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 97 transitions.
[2024-11-24 00:46:17,811 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 148 flow
[2024-11-24 00:46:17,812 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:46:17,815 INFO  L231             Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow
[2024-11-24 00:46:17,815 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43}
[2024-11-24 00:46:17,816 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places.
[2024-11-24 00:46:17,817 INFO  L471      AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow
[2024-11-24 00:46:17,817 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:46:17,818 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:17,818 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 00:46:17,831 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 00:46:18,019 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:18,019 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:18,020 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:18,020 INFO  L85        PathProgramCache]: Analyzing trace with hash 1378316870, now seen corresponding path program 1 times
[2024-11-24 00:46:18,020 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:18,021 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903922427]
[2024-11-24 00:46:18,021 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:46:18,021 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:18,021 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:18,026 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:18,029 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 00:46:18,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:46:18,153 INFO  L256         TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:18,154 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:18,210 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 00:46:18,210 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:18,210 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:18,210 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903922427]
[2024-11-24 00:46:18,210 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [903922427] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:18,210 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:18,210 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:46:18,211 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473004418]
[2024-11-24 00:46:18,211 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:18,211 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:46:18,211 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:18,212 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:46:18,212 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:46:18,223 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54
[2024-11-24 00:46:18,224 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand  has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 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 00:46:18,224 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:18,224 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54
[2024-11-24 00:46:18,224 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:20,265 INFO  L124   PetriNetUnfolderBase]: 8875/13627 cut-off events.
[2024-11-24 00:46:20,265 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:46:20,306 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25949 conditions, 13627 events. 8875/13627 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 96471 event pairs, 1033 based on Foata normal form. 400/13862 useless extension candidates. Maximal degree in co-relation 25943. Up to 7301 conditions per place. 
[2024-11-24 00:46:20,380 INFO  L140   encePairwiseOnDemand]: 47/54 looper letters, 53 selfloop transitions, 6 changer transitions 1/75 dead transitions.
[2024-11-24 00:46:20,381 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 75 transitions, 286 flow
[2024-11-24 00:46:20,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 00:46:20,382 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 00:46:20,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 142 transitions.
[2024-11-24 00:46:20,384 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6574074074074074
[2024-11-24 00:46:20,386 INFO  L175             Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 4 states and 142 transitions.
[2024-11-24 00:46:20,386 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 75 transitions, 286 flow
[2024-11-24 00:46:20,387 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 75 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:46:20,390 INFO  L231             Difference]: Finished difference. Result has 58 places, 47 transitions, 137 flow
[2024-11-24 00:46:20,391 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=137, PETRI_PLACES=58, PETRI_TRANSITIONS=47}
[2024-11-24 00:46:20,392 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places.
[2024-11-24 00:46:20,392 INFO  L471      AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 137 flow
[2024-11-24 00:46:20,393 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 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 00:46:20,393 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:20,393 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 00:46:20,406 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-24 00:46:20,594 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:20,594 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:20,595 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:20,595 INFO  L85        PathProgramCache]: Analyzing trace with hash -286193085, now seen corresponding path program 1 times
[2024-11-24 00:46:20,595 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:20,596 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857219274]
[2024-11-24 00:46:20,596 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:46:20,596 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:20,596 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:20,601 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:20,602 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-24 00:46:20,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:46:20,721 INFO  L256         TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:20,723 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:20,796 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 00:46:20,796 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:20,796 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:20,796 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857219274]
[2024-11-24 00:46:20,796 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857219274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:20,797 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:20,797 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:46:20,797 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368101097]
[2024-11-24 00:46:20,797 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:20,797 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:46:20,798 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:20,798 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:46:20,798 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:46:20,820 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54
[2024-11-24 00:46:20,820 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 137 flow. Second operand  has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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 00:46:20,820 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:20,821 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54
[2024-11-24 00:46:20,821 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:22,381 INFO  L124   PetriNetUnfolderBase]: 6751/10387 cut-off events.
[2024-11-24 00:46:22,381 INFO  L125   PetriNetUnfolderBase]: For 2428/2428 co-relation queries the response was YES.
[2024-11-24 00:46:22,411 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 23244 conditions, 10387 events. 6751/10387 cut-off events. For 2428/2428 co-relation queries the response was YES. Maximal size of possible extension queue 561. Compared 69523 event pairs, 451 based on Foata normal form. 364/10606 useless extension candidates. Maximal degree in co-relation 23235. Up to 4601 conditions per place. 
[2024-11-24 00:46:22,448 INFO  L140   encePairwiseOnDemand]: 47/54 looper letters, 68 selfloop transitions, 10 changer transitions 1/94 dead transitions.
[2024-11-24 00:46:22,449 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 94 transitions, 418 flow
[2024-11-24 00:46:22,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 00:46:22,449 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-24 00:46:22,450 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions.
[2024-11-24 00:46:22,451 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6703703703703704
[2024-11-24 00:46:22,451 INFO  L175             Difference]: Start difference. First operand has 58 places, 47 transitions, 137 flow. Second operand 5 states and 181 transitions.
[2024-11-24 00:46:22,451 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 94 transitions, 418 flow
[2024-11-24 00:46:22,456 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 94 transitions, 407 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-24 00:46:22,458 INFO  L231             Difference]: Finished difference. Result has 62 places, 51 transitions, 189 flow
[2024-11-24 00:46:22,458 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=62, PETRI_TRANSITIONS=51}
[2024-11-24 00:46:22,459 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places.
[2024-11-24 00:46:22,459 INFO  L471      AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 189 flow
[2024-11-24 00:46:22,459 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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 00:46:22,460 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:22,460 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 00:46:22,471 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-24 00:46:22,664 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:22,664 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:22,664 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:22,665 INFO  L85        PathProgramCache]: Analyzing trace with hash -1857983481, now seen corresponding path program 1 times
[2024-11-24 00:46:22,665 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:22,665 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666083188]
[2024-11-24 00:46:22,665 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:46:22,665 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:22,665 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:22,668 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:22,672 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-24 00:46:22,777 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:46:22,779 INFO  L256         TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:22,781 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:22,870 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 00:46:22,870 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:22,870 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:22,870 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666083188]
[2024-11-24 00:46:22,870 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [666083188] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:22,870 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:22,870 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:46:22,870 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60333952]
[2024-11-24 00:46:22,870 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:22,871 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:46:22,871 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:22,871 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:46:22,871 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:46:22,897 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54
[2024-11-24 00:46:22,897 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 189 flow. Second operand  has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 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 00:46:22,897 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:22,897 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54
[2024-11-24 00:46:22,897 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:23,746 INFO  L124   PetriNetUnfolderBase]: 4259/6443 cut-off events.
[2024-11-24 00:46:23,747 INFO  L125   PetriNetUnfolderBase]: For 4750/4750 co-relation queries the response was YES.
[2024-11-24 00:46:23,757 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16286 conditions, 6443 events. 4259/6443 cut-off events. For 4750/4750 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 37589 event pairs, 289 based on Foata normal form. 244/6553 useless extension candidates. Maximal degree in co-relation 16275. Up to 1788 conditions per place. 
[2024-11-24 00:46:23,777 INFO  L140   encePairwiseOnDemand]: 47/54 looper letters, 81 selfloop transitions, 14 changer transitions 1/111 dead transitions.
[2024-11-24 00:46:23,777 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 111 transitions, 549 flow
[2024-11-24 00:46:23,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:46:23,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:46:23,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 218 transitions.
[2024-11-24 00:46:23,778 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6728395061728395
[2024-11-24 00:46:23,779 INFO  L175             Difference]: Start difference. First operand has 62 places, 51 transitions, 189 flow. Second operand 6 states and 218 transitions.
[2024-11-24 00:46:23,779 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 111 transitions, 549 flow
[2024-11-24 00:46:23,802 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 111 transitions, 519 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-24 00:46:23,804 INFO  L231             Difference]: Finished difference. Result has 65 places, 55 transitions, 239 flow
[2024-11-24 00:46:23,804 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=239, PETRI_PLACES=65, PETRI_TRANSITIONS=55}
[2024-11-24 00:46:23,805 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places.
[2024-11-24 00:46:23,805 INFO  L471      AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 239 flow
[2024-11-24 00:46:23,805 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 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 00:46:23,806 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:23,806 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:23,816 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-24 00:46:24,006 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:24,007 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:24,007 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:24,007 INFO  L85        PathProgramCache]: Analyzing trace with hash -1782447987, now seen corresponding path program 1 times
[2024-11-24 00:46:24,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:24,008 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281859732]
[2024-11-24 00:46:24,008 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:46:24,008 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:24,009 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:24,011 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:24,015 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-24 00:46:24,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:46:24,133 INFO  L256         TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:24,135 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:24,236 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 00:46:24,236 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:24,236 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:24,236 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281859732]
[2024-11-24 00:46:24,237 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [281859732] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:24,237 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:24,237 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:46:24,237 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51798534]
[2024-11-24 00:46:24,237 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:24,237 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 00:46:24,238 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:24,238 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 00:46:24,238 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:46:24,263 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54
[2024-11-24 00:46:24,264 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 239 flow. Second operand  has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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 00:46:24,264 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:24,264 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54
[2024-11-24 00:46:24,264 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:25,048 INFO  L124   PetriNetUnfolderBase]: 2895/4211 cut-off events.
[2024-11-24 00:46:25,048 INFO  L125   PetriNetUnfolderBase]: For 5022/5022 co-relation queries the response was YES.
[2024-11-24 00:46:25,056 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 11687 conditions, 4211 events. 2895/4211 cut-off events. For 5022/5022 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 21975 event pairs, 231 based on Foata normal form. 96/4173 useless extension candidates. Maximal degree in co-relation 11675. Up to 1316 conditions per place. 
[2024-11-24 00:46:25,071 INFO  L140   encePairwiseOnDemand]: 47/54 looper letters, 72 selfloop transitions, 18 changer transitions 1/106 dead transitions.
[2024-11-24 00:46:25,071 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 106 transitions, 539 flow
[2024-11-24 00:46:25,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-24 00:46:25,072 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-24 00:46:25,073 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 233 transitions.
[2024-11-24 00:46:25,073 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.6164021164021164
[2024-11-24 00:46:25,073 INFO  L175             Difference]: Start difference. First operand has 65 places, 55 transitions, 239 flow. Second operand 7 states and 233 transitions.
[2024-11-24 00:46:25,073 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 106 transitions, 539 flow
[2024-11-24 00:46:25,116 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 106 transitions, 493 flow, removed 9 selfloop flow, removed 5 redundant places.
[2024-11-24 00:46:25,117 INFO  L231             Difference]: Finished difference. Result has 68 places, 55 transitions, 249 flow
[2024-11-24 00:46:25,118 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=249, PETRI_PLACES=68, PETRI_TRANSITIONS=55}
[2024-11-24 00:46:25,119 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 7 predicate places.
[2024-11-24 00:46:25,119 INFO  L471      AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 249 flow
[2024-11-24 00:46:25,119 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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 00:46:25,119 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:25,119 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:25,130 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-24 00:46:25,320 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:25,320 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:25,321 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:25,321 INFO  L85        PathProgramCache]: Analyzing trace with hash 1174216424, now seen corresponding path program 1 times
[2024-11-24 00:46:25,321 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:25,321 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152747899]
[2024-11-24 00:46:25,321 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:46:25,321 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:25,322 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:25,324 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:25,328 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-24 00:46:25,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:46:25,444 INFO  L256         TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:25,448 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:26,371 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 00:46:26,371 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:26,371 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:26,372 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152747899]
[2024-11-24 00:46:26,372 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152747899] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:26,372 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:26,372 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-24 00:46:26,372 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882790092]
[2024-11-24 00:46:26,372 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:26,372 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-24 00:46:26,373 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:26,373 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-24 00:46:26,373 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110
[2024-11-24 00:46:26,396 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 23 out of 54
[2024-11-24 00:46:26,397 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 249 flow. Second operand  has 11 states, 11 states have (on average 24.90909090909091) internal successors, (274), 11 states have internal predecessors, (274), 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 00:46:26,397 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:26,397 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 54
[2024-11-24 00:46:26,397 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:27,232 INFO  L124   PetriNetUnfolderBase]: 2213/3606 cut-off events.
[2024-11-24 00:46:27,232 INFO  L125   PetriNetUnfolderBase]: For 2251/2391 co-relation queries the response was YES.
[2024-11-24 00:46:27,249 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 8834 conditions, 3606 events. 2213/3606 cut-off events. For 2251/2391 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 21664 event pairs, 543 based on Foata normal form. 16/3428 useless extension candidates. Maximal degree in co-relation 8821. Up to 1135 conditions per place. 
[2024-11-24 00:46:27,261 INFO  L140   encePairwiseOnDemand]: 45/54 looper letters, 57 selfloop transitions, 5 changer transitions 21/113 dead transitions.
[2024-11-24 00:46:27,261 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 113 transitions, 557 flow
[2024-11-24 00:46:27,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-24 00:46:27,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-24 00:46:27,268 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 314 transitions.
[2024-11-24 00:46:27,269 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.5814814814814815
[2024-11-24 00:46:27,269 INFO  L175             Difference]: Start difference. First operand has 68 places, 55 transitions, 249 flow. Second operand 10 states and 314 transitions.
[2024-11-24 00:46:27,269 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 113 transitions, 557 flow
[2024-11-24 00:46:27,289 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 113 transitions, 448 flow, removed 22 selfloop flow, removed 10 redundant places.
[2024-11-24 00:46:27,293 INFO  L231             Difference]: Finished difference. Result has 72 places, 56 transitions, 179 flow
[2024-11-24 00:46:27,293 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=179, PETRI_PLACES=72, PETRI_TRANSITIONS=56}
[2024-11-24 00:46:27,294 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places.
[2024-11-24 00:46:27,294 INFO  L471      AbstractCegarLoop]: Abstraction has has 72 places, 56 transitions, 179 flow
[2024-11-24 00:46:27,294 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 24.90909090909091) internal successors, (274), 11 states have internal predecessors, (274), 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 00:46:27,294 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:27,297 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:27,309 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-24 00:46:27,497 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:27,498 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:27,498 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:27,498 INFO  L85        PathProgramCache]: Analyzing trace with hash 568119160, now seen corresponding path program 2 times
[2024-11-24 00:46:27,499 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:27,499 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936901605]
[2024-11-24 00:46:27,499 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:46:27,499 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:27,500 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:27,504 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:27,506 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-24 00:46:27,638 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:46:27,638 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:46:27,641 INFO  L256         TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:27,643 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:27,731 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 00:46:27,731 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:27,731 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:27,731 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936901605]
[2024-11-24 00:46:27,732 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [936901605] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:27,732 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:27,732 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:46:27,732 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449163477]
[2024-11-24 00:46:27,732 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:27,732 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:46:27,733 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:27,733 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:46:27,733 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:46:27,760 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54
[2024-11-24 00:46:27,760 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 56 transitions, 179 flow. Second operand  has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:46:27,761 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:27,761 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54
[2024-11-24 00:46:27,761 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:28,450 INFO  L124   PetriNetUnfolderBase]: 4446/7222 cut-off events.
[2024-11-24 00:46:28,450 INFO  L125   PetriNetUnfolderBase]: For 1576/1576 co-relation queries the response was YES.
[2024-11-24 00:46:28,494 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 15431 conditions, 7222 events. 4446/7222 cut-off events. For 1576/1576 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 49329 event pairs, 1643 based on Foata normal form. 16/6872 useless extension candidates. Maximal degree in co-relation 15418. Up to 2947 conditions per place. 
[2024-11-24 00:46:28,507 INFO  L140   encePairwiseOnDemand]: 48/54 looper letters, 34 selfloop transitions, 2 changer transitions 24/88 dead transitions.
[2024-11-24 00:46:28,507 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 88 transitions, 386 flow
[2024-11-24 00:46:28,507 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:46:28,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:46:28,508 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 185 transitions.
[2024-11-24 00:46:28,509 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.5709876543209876
[2024-11-24 00:46:28,509 INFO  L175             Difference]: Start difference. First operand has 72 places, 56 transitions, 179 flow. Second operand 6 states and 185 transitions.
[2024-11-24 00:46:28,509 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 88 transitions, 386 flow
[2024-11-24 00:46:28,515 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 88 transitions, 366 flow, removed 5 selfloop flow, removed 6 redundant places.
[2024-11-24 00:46:28,516 INFO  L231             Difference]: Finished difference. Result has 71 places, 55 transitions, 175 flow
[2024-11-24 00:46:28,516 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=175, PETRI_PLACES=71, PETRI_TRANSITIONS=55}
[2024-11-24 00:46:28,516 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 10 predicate places.
[2024-11-24 00:46:28,517 INFO  L471      AbstractCegarLoop]: Abstraction has has 71 places, 55 transitions, 175 flow
[2024-11-24 00:46:28,517 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:46:28,517 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:28,517 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:28,524 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-24 00:46:28,717 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:28,717 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:28,718 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:28,718 INFO  L85        PathProgramCache]: Analyzing trace with hash -1932143102, now seen corresponding path program 3 times
[2024-11-24 00:46:28,718 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:28,718 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306538683]
[2024-11-24 00:46:28,719 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-24 00:46:28,719 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:28,719 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:28,721 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:28,722 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-24 00:46:28,846 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-24 00:46:28,846 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:46:28,850 INFO  L256         TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:28,852 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:28,943 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 00:46:28,944 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:28,944 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:28,944 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306538683]
[2024-11-24 00:46:28,944 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [306538683] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:28,944 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:28,945 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:46:28,945 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855900231]
[2024-11-24 00:46:28,945 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:28,945 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:46:28,945 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:28,946 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:46:28,946 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:46:28,958 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54
[2024-11-24 00:46:28,958 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 55 transitions, 175 flow. Second operand  has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:46:28,959 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:28,959 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54
[2024-11-24 00:46:28,959 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:29,686 INFO  L124   PetriNetUnfolderBase]: 3413/5636 cut-off events.
[2024-11-24 00:46:29,687 INFO  L125   PetriNetUnfolderBase]: For 452/487 co-relation queries the response was YES.
[2024-11-24 00:46:29,703 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 11958 conditions, 5636 events. 3413/5636 cut-off events. For 452/487 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 36477 event pairs, 1563 based on Foata normal form. 16/5259 useless extension candidates. Maximal degree in co-relation 11945. Up to 2573 conditions per place. 
[2024-11-24 00:46:29,709 INFO  L140   encePairwiseOnDemand]: 48/54 looper letters, 40 selfloop transitions, 2 changer transitions 19/89 dead transitions.
[2024-11-24 00:46:29,709 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 89 transitions, 386 flow
[2024-11-24 00:46:29,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:46:29,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:46:29,710 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 188 transitions.
[2024-11-24 00:46:29,711 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.5802469135802469
[2024-11-24 00:46:29,711 INFO  L175             Difference]: Start difference. First operand has 71 places, 55 transitions, 175 flow. Second operand 6 states and 188 transitions.
[2024-11-24 00:46:29,711 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 89 transitions, 386 flow
[2024-11-24 00:46:29,716 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 89 transitions, 360 flow, removed 9 selfloop flow, removed 7 redundant places.
[2024-11-24 00:46:29,717 INFO  L231             Difference]: Finished difference. Result has 69 places, 56 transitions, 177 flow
[2024-11-24 00:46:29,717 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=177, PETRI_PLACES=69, PETRI_TRANSITIONS=56}
[2024-11-24 00:46:29,718 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 8 predicate places.
[2024-11-24 00:46:29,718 INFO  L471      AbstractCegarLoop]: Abstraction has has 69 places, 56 transitions, 177 flow
[2024-11-24 00:46:29,719 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:46:29,719 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:29,719 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:29,729 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2024-11-24 00:46:29,919 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:29,920 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:29,920 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:29,920 INFO  L85        PathProgramCache]: Analyzing trace with hash 713169128, now seen corresponding path program 4 times
[2024-11-24 00:46:29,920 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:29,921 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508547673]
[2024-11-24 00:46:29,921 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-24 00:46:29,921 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:29,921 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:29,924 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:29,925 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-24 00:46:30,040 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-24 00:46:30,040 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:46:30,042 INFO  L256         TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-24 00:46:30,043 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:46:30,162 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 00:46:30,163 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:46:30,164 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:46:30,164 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508547673]
[2024-11-24 00:46:30,164 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508547673] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:46:30,164 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:46:30,164 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 00:46:30,164 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243579687]
[2024-11-24 00:46:30,164 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:46:30,165 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 00:46:30,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:46:30,165 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 00:46:30,165 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-24 00:46:30,184 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54
[2024-11-24 00:46:30,185 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 56 transitions, 177 flow. Second operand  has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 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 00:46:30,185 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:46:30,185 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54
[2024-11-24 00:46:30,185 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:46:31,220 INFO  L124   PetriNetUnfolderBase]: 5711/9482 cut-off events.
[2024-11-24 00:46:31,220 INFO  L125   PetriNetUnfolderBase]: For 780/780 co-relation queries the response was YES.
[2024-11-24 00:46:31,247 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 19514 conditions, 9482 events. 5711/9482 cut-off events. For 780/780 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 66543 event pairs, 1340 based on Foata normal form. 16/8983 useless extension candidates. Maximal degree in co-relation 19502. Up to 3766 conditions per place. 
[2024-11-24 00:46:31,256 INFO  L140   encePairwiseOnDemand]: 48/54 looper letters, 31 selfloop transitions, 1 changer transitions 34/95 dead transitions.
[2024-11-24 00:46:31,256 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 95 transitions, 403 flow
[2024-11-24 00:46:31,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-24 00:46:31,257 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-24 00:46:31,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 214 transitions.
[2024-11-24 00:46:31,258 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.5661375661375662
[2024-11-24 00:46:31,258 INFO  L175             Difference]: Start difference. First operand has 69 places, 56 transitions, 177 flow. Second operand 7 states and 214 transitions.
[2024-11-24 00:46:31,258 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 95 transitions, 403 flow
[2024-11-24 00:46:31,260 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 95 transitions, 391 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-24 00:46:31,262 INFO  L231             Difference]: Finished difference. Result has 73 places, 56 transitions, 182 flow
[2024-11-24 00:46:31,262 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=182, PETRI_PLACES=73, PETRI_TRANSITIONS=56}
[2024-11-24 00:46:31,263 INFO  L279   CegarLoopForPetriNet]: 61 programPoint places, 12 predicate places.
[2024-11-24 00:46:31,263 INFO  L471      AbstractCegarLoop]: Abstraction has has 73 places, 56 transitions, 182 flow
[2024-11-24 00:46:31,263 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 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 00:46:31,263 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:46:31,263 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:31,270 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-24 00:46:31,463 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:31,464 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] ===
[2024-11-24 00:46:31,464 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:46:31,464 INFO  L85        PathProgramCache]: Analyzing trace with hash 616984938, now seen corresponding path program 5 times
[2024-11-24 00:46:31,466 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:46:31,466 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382764098]
[2024-11-24 00:46:31,466 INFO  L95    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-24 00:46:31,466 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:31,466 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:46:31,469 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:46:31,471 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-24 00:46:31,593 INFO  L229   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:46:31,593 INFO  L230   tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-24 00:46:31,593 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:46:31,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:46:31,730 INFO  L130   FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-24 00:46:31,731 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:46:31,732 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining)
[2024-11-24 00:46:31,739 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining)
[2024-11-24 00:46:31,739 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining)
[2024-11-24 00:46:31,739 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining)
[2024-11-24 00:46:31,740 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining)
[2024-11-24 00:46:31,740 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining)
[2024-11-24 00:46:31,740 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining)
[2024-11-24 00:46:31,740 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining)
[2024-11-24 00:46:31,751 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-11-24 00:46:31,941 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:46:31,941 INFO  L422         BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:46:32,069 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 00:46:32,073 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:46:32,083 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:46:32 BasicIcfg
[2024-11-24 00:46:32,085 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:46:32,086 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:46:32,086 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:46:32,086 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-24 00:46:32,087 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:46:14" (3/4) ...
[2024-11-24 00:46:32,089 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-11-24 00:46:32,090 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:46:32,091 INFO  L158              Benchmark]: Toolchain (without parser) took 20027.01ms. Allocated memory was 83.9MB in the beginning and 1.2GB in the end (delta: 1.2GB). Free memory was 59.3MB in the beginning and 811.2MB in the end (delta: -751.9MB). Peak memory consumption was 410.5MB. Max. memory is 16.1GB.
[2024-11-24 00:46:32,092 INFO  L158              Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:46:32,092 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 670.47ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 35.1MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 00:46:32,092 INFO  L158              Benchmark]: Boogie Procedure Inliner took 50.79ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 32.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:46:32,093 INFO  L158              Benchmark]: Boogie Preprocessor took 108.07ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 29.4MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:46:32,093 INFO  L158              Benchmark]: RCFGBuilder took 1226.49ms. Allocated memory is still 83.9MB. Free memory was 29.4MB in the beginning and 28.9MB in the end (delta: 504.2kB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB.
[2024-11-24 00:46:32,094 INFO  L158              Benchmark]: TraceAbstraction took 17958.53ms. Allocated memory was 83.9MB in the beginning and 1.2GB in the end (delta: 1.2GB). Free memory was 28.4MB in the beginning and 811.3MB in the end (delta: -782.9MB). Peak memory consumption was 370.9MB. Max. memory is 16.1GB.
[2024-11-24 00:46:32,095 INFO  L158              Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 1.2GB. Free memory was 811.3MB in the beginning and 811.2MB in the end (delta: 66.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:46:32,097 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 670.47ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 35.1MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 50.79ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 32.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 108.07ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 29.4MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1226.49ms. Allocated memory is still 83.9MB. Free memory was 29.4MB in the beginning and 28.9MB in the end (delta: 504.2kB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 17958.53ms. Allocated memory was 83.9MB in the beginning and 1.2GB in the end (delta: 1.2GB). Free memory was 28.4MB in the beginning and 811.3MB in the end (delta: -782.9MB). Peak memory consumption was 370.9MB. Max. memory is 16.1GB.
 * Witness Printer took 4.19ms. Allocated memory is still 1.2GB. Free memory was 811.3MB in the beginning and 811.2MB in the end (delta: 66.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: overapproximation of memtrack at line 17. 
Possible FailurePath: 
[L710]               0  int __unbuffered_cnt = 0;
[L712]               0  int __unbuffered_p1_EAX = 0;
[L714]               0  int __unbuffered_p3_EAX = 0;
[L716]               0  int __unbuffered_p3_EBX = 0;
[L718]               0  int a = 0;
[L719]               0  _Bool a$flush_delayed;
[L720]               0  int a$mem_tmp;
[L721]               0  _Bool a$r_buff0_thd0;
[L722]               0  _Bool a$r_buff0_thd1;
[L723]               0  _Bool a$r_buff0_thd2;
[L724]               0  _Bool a$r_buff0_thd3;
[L725]               0  _Bool a$r_buff0_thd4;
[L726]               0  _Bool a$r_buff1_thd0;
[L727]               0  _Bool a$r_buff1_thd1;
[L728]               0  _Bool a$r_buff1_thd2;
[L729]               0  _Bool a$r_buff1_thd3;
[L730]               0  _Bool a$r_buff1_thd4;
[L731]               0  _Bool a$read_delayed;
[L732]               0  int *a$read_delayed_var;
[L733]               0  int a$w_buff0;
[L734]               0  _Bool a$w_buff0_used;
[L735]               0  int a$w_buff1;
[L736]               0  _Bool a$w_buff1_used;
[L737]               0  _Bool main$tmp_guard0;
[L738]               0  _Bool main$tmp_guard1;
[L740]               0  int x = 0;
[L742]               0  int y = 0;
[L744]               0  int z = 0;
[L745]               0  _Bool weak$$choice0;
[L746]               0  _Bool weak$$choice2;
[L864]               0  pthread_t t713;
[L865]  FCALL, FORK  0  pthread_create(&t713, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t713=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L750]               1  a$w_buff1 = a$w_buff0
[L751]               1  a$w_buff0 = 1
[L752]               1  a$w_buff1_used = a$w_buff0_used
[L753]               1  a$w_buff0_used = (_Bool)1
[L754]  CALL         1  __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used))
[L18]   COND FALSE   1  !(!expression)
[L754]  RET          1  __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used))
[L755]               1  a$r_buff1_thd0 = a$r_buff0_thd0
[L756]               1  a$r_buff1_thd1 = a$r_buff0_thd1
[L757]               1  a$r_buff1_thd2 = a$r_buff0_thd2
[L758]               1  a$r_buff1_thd3 = a$r_buff0_thd3
[L759]               1  a$r_buff1_thd4 = a$r_buff0_thd4
[L760]               1  a$r_buff0_thd1 = (_Bool)1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L866]               0  pthread_t t714;
[L867]  FCALL, FORK  0  pthread_create(&t714, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t713=-1, t714=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L763]               1  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0]
[L780]               2  x = 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L783]               2  __unbuffered_p1_EAX = y
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L868]               0  pthread_t t715;
[L869]  FCALL, FORK  0  pthread_create(&t715, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t713=-1, t714=0, t715=1, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L870]               0  pthread_t t716;
[L786]               2  a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a)
[L787]               2  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used
[L788]               2  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used
[L789]               2  a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2
[L790]               2  a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L871]  FCALL, FORK  0  pthread_create(&t716, ((void *)0), P3, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t713=-1, t714=0, t715=1, t716=2, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L800]               3  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0]
[L803]               3  z = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1]
[L820]               4  z = 2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2]
[L823]               4  __unbuffered_p3_EAX = z
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2]
[L826]               4  weak$$choice0 = __VERIFIER_nondet_bool()
[L827]               4  weak$$choice2 = __VERIFIER_nondet_bool()
[L828]               4  a$flush_delayed = weak$$choice2
[L829]               4  a$mem_tmp = a
[L830]               4  a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1)
[L831]               4  a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0))
[L832]               4  a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1))
[L833]               4  a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used))
[L834]               4  a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L835]               4  a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4))
[L836]               4  a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L837]               4  __unbuffered_p3_EBX = a
[L838]               4  a = a$flush_delayed ? a$mem_tmp : a
[L839]               4  a$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L806]               3  a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a)
[L807]               3  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used
[L808]               3  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used
[L809]               3  a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3
[L810]               3  a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L766]               1  a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a)
[L767]               1  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used
[L768]               1  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used
[L769]               1  a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1
[L770]               1  a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L842]               4  a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a)
[L843]               4  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used
[L844]               4  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used
[L845]               4  a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4
[L846]               4  a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L773]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L793]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L813]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L849]               4  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L873]               0  main$tmp_guard0 = __unbuffered_cnt == 4
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t713=-1, t714=0, t715=1, t716=2, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L875]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L875]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L877]               0  a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a)
[L878]               0  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used
[L879]               0  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used
[L880]               0  a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0
[L881]               0  a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t713=-1, t714=0, t715=1, t716=2, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L884]               0  main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t713=-1, t714=0, t715=1, t716=2, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L886]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
[L18]   CALL         0  reach_error()
[L17]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]
[L17]                0  __assert_fail ("0", "mix027_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=2]

  - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 862]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 871]: 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: 869]: 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: 867]: 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: 865]: 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 9 procedures, 87 locations, 8 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: 17.6s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 634 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 604 mSDsluCounter, 179 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 161 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1876 IncrementalHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 18 mSDtfsCounter, 1876 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=6, InterpolantAutomatonStates: 57, 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: 0.3s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 309 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1194 ConjunctsInSsa, 69 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 00:46:32,126 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f95ff6-9b78-41b9-a310-a5b0e28393d4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample