./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX --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 3361d121b1701e03d91abe21b23341050c9e7b0bb70abe94dd0f34e8fd521162
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:36:22,793 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:36:22,933 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-08 18:36:22,958 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:36:22,961 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:36:23,018 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:36:23,021 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:36:23,022 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:36:23,023 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:36:23,026 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:36:23,027 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:36:23,027 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:36:23,029 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:36:23,030 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:36:23,034 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:36:23,035 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:36:23,035 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:36:23,036 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:36:23,036 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:36:23,037 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:36:23,037 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 18:36:23,042 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-08 18:36:23,042 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-08 18:36:23,043 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:36:23,043 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-08 18:36:23,043 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:36:23,044 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-08 18:36:23,044 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:36:23,045 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:36:23,045 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:36:23,046 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:36:23,046 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:36:23,047 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:36:23,047 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:36:23,047 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:36:23,048 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:36:23,050 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:36:23,050 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:36:23,051 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:36:23,051 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:36:23,052 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:36:23,053 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:36:23,053 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX
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 -> 3361d121b1701e03d91abe21b23341050c9e7b0bb70abe94dd0f34e8fd521162
[2024-11-08 18:36:23,486 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:36:23,526 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:36:23,531 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:36:23,532 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:36:23,533 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:36:23,535 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i
Unable to find full path for "g++"
[2024-11-08 18:36:26,023 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:36:26,413 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:36:26,415 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/sv-benchmarks/c/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-08 18:36:26,448 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/data/79911e8df/fae5ec45ddb34365b32cd42e5454f874/FLAG48f9e4064
[2024-11-08 18:36:26,468 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/data/79911e8df/fae5ec45ddb34365b32cd42e5454f874
[2024-11-08 18:36:26,472 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:36:26,474 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:36:26,476 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:36:26,477 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:36:26,502 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:36:26,504 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:36:26" (1/1) ...
[2024-11-08 18:36:26,505 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d837627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:26, skipping insertion in model container
[2024-11-08 18:36:26,505 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:36:26" (1/1) ...
[2024-11-08 18:36:26,575 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:36:27,316 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:36:27,338 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:36:27,444 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:36:27,506 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:36:27,507 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27 WrapperNode
[2024-11-08 18:36:27,507 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:36:27,509 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:36:27,509 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:36:27,510 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:36:27,521 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,545 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,578 INFO  L138                Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 120
[2024-11-08 18:36:27,579 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:36:27,580 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:36:27,580 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:36:27,580 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:36:27,596 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,596 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,603 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,628 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].
[2024-11-08 18:36:27,628 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,629 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,639 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,642 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,644 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,647 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,651 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:36:27,652 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:36:27,652 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:36:27,653 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:36:27,654 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (1/1) ...
[2024-11-08 18:36:27,662 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:36:27,679 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:36:27,704 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:36:27,718 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:36:27,758 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:36:27,759 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:36:27,759 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 18:36:27,759 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 18:36:27,759 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 18:36:27,760 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 18:36:27,760 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 18:36:27,760 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 18:36:27,760 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:36:27,760 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:36:27,761 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:36:27,762 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:36:27,764 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 18:36:28,015 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:36:28,018 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:36:28,502 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:36:28,502 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:36:28,895 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:36:28,896 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:36:28,896 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:36:28 BoogieIcfgContainer
[2024-11-08 18:36:28,896 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:36:28,899 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:36:28,900 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:36:28,904 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:36:28,904 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:36:26" (1/3) ...
[2024-11-08 18:36:28,905 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fe1a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:36:28, skipping insertion in model container
[2024-11-08 18:36:28,905 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:27" (2/3) ...
[2024-11-08 18:36:28,906 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fe1a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:36:28, skipping insertion in model container
[2024-11-08 18:36:28,906 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:36:28" (3/3) ...
[2024-11-08 18:36:28,908 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix019_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-08 18:36:28,934 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:36:28,935 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-11-08 18:36:28,935 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:36:29,103 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:36:29,155 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow
[2024-11-08 18:36:29,209 INFO  L124   PetriNetUnfolderBase]: 2/42 cut-off events.
[2024-11-08 18:36:29,210 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:36:29,216 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. 
[2024-11-08 18:36:29,218 INFO  L82        GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow
[2024-11-08 18:36:29,226 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow
[2024-11-08 18:36:29,247 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:36:29,255 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;@21166ccf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:36:29,255 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-11-08 18:36:29,265 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:36:29,266 INFO  L124   PetriNetUnfolderBase]: 0/5 cut-off events.
[2024-11-08 18:36:29,269 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:36:29,270 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:29,270 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-08 18:36:29,271 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:29,282 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:29,283 INFO  L85        PathProgramCache]: Analyzing trace with hash 12094334, now seen corresponding path program 1 times
[2024-11-08 18:36:29,297 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:29,298 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201775247]
[2024-11-08 18:36:29,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:29,300 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:29,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:29,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:29,954 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:29,955 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201775247]
[2024-11-08 18:36:29,956 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201775247] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:29,956 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:29,956 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:36:29,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778524896]
[2024-11-08 18:36:29,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:29,966 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:36:29,974 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:30,009 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:36:30,011 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:36:30,014 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45
[2024-11-08 18:36:30,017 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand  has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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)
[2024-11-08 18:36:30,018 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:30,018 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45
[2024-11-08 18:36:30,019 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:30,823 INFO  L124   PetriNetUnfolderBase]: 825/1453 cut-off events.
[2024-11-08 18:36:30,823 INFO  L125   PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES.
[2024-11-08 18:36:30,830 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2734 conditions, 1453 events. 825/1453 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8483 event pairs, 457 based on Foata normal form. 96/1535 useless extension candidates. Maximal degree in co-relation 2723. Up to 1009 conditions per place. 
[2024-11-08 18:36:30,843 INFO  L140   encePairwiseOnDemand]: 40/45 looper letters, 33 selfloop transitions, 2 changer transitions 2/54 dead transitions.
[2024-11-08 18:36:30,844 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 197 flow
[2024-11-08 18:36:30,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:36:30,850 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:36:30,861 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions.
[2024-11-08 18:36:30,865 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7555555555555555
[2024-11-08 18:36:30,868 INFO  L175             Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 102 transitions.
[2024-11-08 18:36:30,870 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 197 flow
[2024-11-08 18:36:30,875 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 18:36:30,880 INFO  L231             Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow
[2024-11-08 18:36:30,885 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37}
[2024-11-08 18:36:30,892 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places.
[2024-11-08 18:36:30,893 INFO  L471      AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow
[2024-11-08 18:36:30,893 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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)
[2024-11-08 18:36:30,894 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:30,894 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:30,894 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:36:30,895 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:30,897 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:30,897 INFO  L85        PathProgramCache]: Analyzing trace with hash -1893348364, now seen corresponding path program 1 times
[2024-11-08 18:36:30,898 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:30,898 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444914369]
[2024-11-08 18:36:30,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:30,899 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:30,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:31,070 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:31,070 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:31,070 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444914369]
[2024-11-08 18:36:31,071 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444914369] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:31,071 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:31,071 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:36:31,072 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142232703]
[2024-11-08 18:36:31,072 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:31,074 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:36:31,074 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:31,075 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:36:31,076 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:36:31,083 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45
[2024-11-08 18:36:31,083 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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)
[2024-11-08 18:36:31,083 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:31,084 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45
[2024-11-08 18:36:31,084 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:31,509 INFO  L124   PetriNetUnfolderBase]: 721/1385 cut-off events.
[2024-11-08 18:36:31,510 INFO  L125   PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES.
[2024-11-08 18:36:31,514 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 1385 events. 721/1385 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8861 event pairs, 721 based on Foata normal form. 48/1383 useless extension candidates. Maximal degree in co-relation 2595. Up to 1090 conditions per place. 
[2024-11-08 18:36:31,523 INFO  L140   encePairwiseOnDemand]: 43/45 looper letters, 18 selfloop transitions, 1 changer transitions 1/36 dead transitions.
[2024-11-08 18:36:31,523 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 122 flow
[2024-11-08 18:36:31,524 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:36:31,524 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:36:31,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions.
[2024-11-08 18:36:31,527 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5777777777777777
[2024-11-08 18:36:31,527 INFO  L175             Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 3 states and 78 transitions.
[2024-11-08 18:36:31,527 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 122 flow
[2024-11-08 18:36:31,528 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:36:31,529 INFO  L231             Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow
[2024-11-08 18:36:31,530 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35}
[2024-11-08 18:36:31,533 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places.
[2024-11-08 18:36:31,533 INFO  L471      AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow
[2024-11-08 18:36:31,534 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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)
[2024-11-08 18:36:31,534 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:31,534 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:31,534 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:36:31,536 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:31,537 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:31,537 INFO  L85        PathProgramCache]: Analyzing trace with hash -1893346815, now seen corresponding path program 1 times
[2024-11-08 18:36:31,538 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:31,539 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560906701]
[2024-11-08 18:36:31,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:31,539 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:31,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:32,060 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:32,061 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:32,061 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560906701]
[2024-11-08 18:36:32,062 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560906701] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:32,062 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:32,062 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:36:32,062 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684548646]
[2024-11-08 18:36:32,063 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:32,063 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:36:32,064 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:32,065 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:36:32,065 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:36:32,086 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45
[2024-11-08 18:36:32,087 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand  has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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)
[2024-11-08 18:36:32,087 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:32,087 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45
[2024-11-08 18:36:32,087 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:34,241 INFO  L124   PetriNetUnfolderBase]: 4760/7625 cut-off events.
[2024-11-08 18:36:34,242 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:36:34,320 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 14707 conditions, 7625 events. 4760/7625 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 52022 event pairs, 1078 based on Foata normal form. 0/7410 useless extension candidates. Maximal degree in co-relation 14701. Up to 3083 conditions per place. 
[2024-11-08 18:36:34,351 INFO  L140   encePairwiseOnDemand]: 35/45 looper letters, 37 selfloop transitions, 6 changer transitions 77/130 dead transitions.
[2024-11-08 18:36:34,352 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 130 transitions, 510 flow
[2024-11-08 18:36:34,353 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:36:34,354 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 18:36:34,356 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 248 transitions.
[2024-11-08 18:36:34,357 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6123456790123457
[2024-11-08 18:36:34,359 INFO  L175             Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 9 states and 248 transitions.
[2024-11-08 18:36:34,359 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 130 transitions, 510 flow
[2024-11-08 18:36:34,361 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 130 transitions, 509 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 18:36:34,365 INFO  L231             Difference]: Finished difference. Result has 59 places, 39 transitions, 159 flow
[2024-11-08 18:36:34,365 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=159, PETRI_PLACES=59, PETRI_TRANSITIONS=39}
[2024-11-08 18:36:34,368 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 9 predicate places.
[2024-11-08 18:36:34,368 INFO  L471      AbstractCegarLoop]: Abstraction has has 59 places, 39 transitions, 159 flow
[2024-11-08 18:36:34,369 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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)
[2024-11-08 18:36:34,370 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:34,370 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:34,371 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:36:34,371 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:34,373 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:34,373 INFO  L85        PathProgramCache]: Analyzing trace with hash 647472160, now seen corresponding path program 1 times
[2024-11-08 18:36:34,374 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:34,375 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766697151]
[2024-11-08 18:36:34,375 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:34,375 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:34,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:34,684 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:34,684 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:34,684 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766697151]
[2024-11-08 18:36:34,685 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766697151] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:34,685 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:34,685 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:36:34,685 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548206210]
[2024-11-08 18:36:34,686 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:34,686 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:36:34,687 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:34,687 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:36:34,687 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:36:34,696 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45
[2024-11-08 18:36:34,696 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 39 transitions, 159 flow. Second operand  has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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)
[2024-11-08 18:36:34,697 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:34,697 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45
[2024-11-08 18:36:34,697 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:36,276 INFO  L124   PetriNetUnfolderBase]: 2691/4818 cut-off events.
[2024-11-08 18:36:36,277 INFO  L125   PetriNetUnfolderBase]: For 4258/4486 co-relation queries the response was YES.
[2024-11-08 18:36:36,308 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 12637 conditions, 4818 events. 2691/4818 cut-off events. For 4258/4486 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 34798 event pairs, 778 based on Foata normal form. 184/4898 useless extension candidates. Maximal degree in co-relation 12622. Up to 2784 conditions per place. 
[2024-11-08 18:36:36,337 INFO  L140   encePairwiseOnDemand]: 40/45 looper letters, 28 selfloop transitions, 3 changer transitions 35/82 dead transitions.
[2024-11-08 18:36:36,337 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 82 transitions, 435 flow
[2024-11-08 18:36:36,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-08 18:36:36,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-08 18:36:36,339 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 181 transitions.
[2024-11-08 18:36:36,340 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5746031746031746
[2024-11-08 18:36:36,340 INFO  L175             Difference]: Start difference. First operand has 59 places, 39 transitions, 159 flow. Second operand 7 states and 181 transitions.
[2024-11-08 18:36:36,340 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 82 transitions, 435 flow
[2024-11-08 18:36:36,384 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 82 transitions, 389 flow, removed 13 selfloop flow, removed 4 redundant places.
[2024-11-08 18:36:36,387 INFO  L231             Difference]: Finished difference. Result has 59 places, 39 transitions, 152 flow
[2024-11-08 18:36:36,388 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=152, PETRI_PLACES=59, PETRI_TRANSITIONS=39}
[2024-11-08 18:36:36,390 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 9 predicate places.
[2024-11-08 18:36:36,392 INFO  L471      AbstractCegarLoop]: Abstraction has has 59 places, 39 transitions, 152 flow
[2024-11-08 18:36:36,392 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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)
[2024-11-08 18:36:36,393 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:36,393 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:36,393 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:36:36,394 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:36,394 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:36,394 INFO  L85        PathProgramCache]: Analyzing trace with hash -2064686778, now seen corresponding path program 1 times
[2024-11-08 18:36:36,395 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:36,397 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302535260]
[2024-11-08 18:36:36,398 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:36,398 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:36,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:36,673 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:36,673 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:36,674 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302535260]
[2024-11-08 18:36:36,674 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302535260] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:36,674 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:36,674 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:36:36,674 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338727483]
[2024-11-08 18:36:36,675 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:36,675 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:36:36,677 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:36,678 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:36:36,679 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:36:36,685 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45
[2024-11-08 18:36:36,687 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 39 transitions, 152 flow. Second operand  has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:36:36,687 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:36,687 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45
[2024-11-08 18:36:36,687 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:37,976 INFO  L124   PetriNetUnfolderBase]: 2899/5150 cut-off events.
[2024-11-08 18:36:37,976 INFO  L125   PetriNetUnfolderBase]: For 5170/5269 co-relation queries the response was YES.
[2024-11-08 18:36:38,012 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 13430 conditions, 5150 events. 2899/5150 cut-off events. For 5170/5269 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 36711 event pairs, 1429 based on Foata normal form. 161/5212 useless extension candidates. Maximal degree in co-relation 13412. Up to 3337 conditions per place. 
[2024-11-08 18:36:38,048 INFO  L140   encePairwiseOnDemand]: 39/45 looper letters, 34 selfloop transitions, 5 changer transitions 39/92 dead transitions.
[2024-11-08 18:36:38,048 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 92 transitions, 514 flow
[2024-11-08 18:36:38,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-08 18:36:38,050 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-11-08 18:36:38,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 184 transitions.
[2024-11-08 18:36:38,051 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5841269841269842
[2024-11-08 18:36:38,051 INFO  L175             Difference]: Start difference. First operand has 59 places, 39 transitions, 152 flow. Second operand 7 states and 184 transitions.
[2024-11-08 18:36:38,051 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 92 transitions, 514 flow
[2024-11-08 18:36:38,100 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 92 transitions, 488 flow, removed 10 selfloop flow, removed 8 redundant places.
[2024-11-08 18:36:38,102 INFO  L231             Difference]: Finished difference. Result has 58 places, 42 transitions, 189 flow
[2024-11-08 18:36:38,103 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=189, PETRI_PLACES=58, PETRI_TRANSITIONS=42}
[2024-11-08 18:36:38,104 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 8 predicate places.
[2024-11-08 18:36:38,104 INFO  L471      AbstractCegarLoop]: Abstraction has has 58 places, 42 transitions, 189 flow
[2024-11-08 18:36:38,105 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:36:38,105 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:38,105 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:38,105 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:36:38,106 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:38,106 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:38,107 INFO  L85        PathProgramCache]: Analyzing trace with hash 777258055, now seen corresponding path program 1 times
[2024-11-08 18:36:38,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:38,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791084952]
[2024-11-08 18:36:38,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:38,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:38,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:38,349 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:38,349 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:38,349 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791084952]
[2024-11-08 18:36:38,349 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791084952] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:38,350 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:38,350 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:36:38,350 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582315779]
[2024-11-08 18:36:38,350 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:38,351 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:36:38,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:38,356 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:36:38,356 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:36:38,374 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45
[2024-11-08 18:36:38,375 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 42 transitions, 189 flow. Second operand  has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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)
[2024-11-08 18:36:38,375 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:38,375 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45
[2024-11-08 18:36:38,376 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:39,742 INFO  L124   PetriNetUnfolderBase]: 3865/6523 cut-off events.
[2024-11-08 18:36:39,742 INFO  L125   PetriNetUnfolderBase]: For 4639/5060 co-relation queries the response was YES.
[2024-11-08 18:36:39,785 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 15876 conditions, 6523 events. 3865/6523 cut-off events. For 4639/5060 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 43259 event pairs, 703 based on Foata normal form. 301/6665 useless extension candidates. Maximal degree in co-relation 15859. Up to 3345 conditions per place. 
[2024-11-08 18:36:39,818 INFO  L140   encePairwiseOnDemand]: 39/45 looper letters, 46 selfloop transitions, 5 changer transitions 0/69 dead transitions.
[2024-11-08 18:36:39,819 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 69 transitions, 365 flow
[2024-11-08 18:36:39,819 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:36:39,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:36:39,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions.
[2024-11-08 18:36:39,822 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6333333333333333
[2024-11-08 18:36:39,822 INFO  L175             Difference]: Start difference. First operand has 58 places, 42 transitions, 189 flow. Second operand 4 states and 114 transitions.
[2024-11-08 18:36:39,822 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 69 transitions, 365 flow
[2024-11-08 18:36:39,844 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 69 transitions, 356 flow, removed 2 selfloop flow, removed 3 redundant places.
[2024-11-08 18:36:39,846 INFO  L231             Difference]: Finished difference. Result has 56 places, 46 transitions, 218 flow
[2024-11-08 18:36:39,846 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=218, PETRI_PLACES=56, PETRI_TRANSITIONS=46}
[2024-11-08 18:36:39,847 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places.
[2024-11-08 18:36:39,848 INFO  L471      AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 218 flow
[2024-11-08 18:36:39,848 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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)
[2024-11-08 18:36:39,848 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:39,849 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:39,849 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 18:36:39,849 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:39,850 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:39,850 INFO  L85        PathProgramCache]: Analyzing trace with hash 477305463, now seen corresponding path program 1 times
[2024-11-08 18:36:39,850 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:39,850 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419120988]
[2024-11-08 18:36:39,851 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:39,851 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:39,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:40,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:40,290 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:40,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419120988]
[2024-11-08 18:36:40,291 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419120988] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:40,291 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:40,291 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 18:36:40,291 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171039305]
[2024-11-08 18:36:40,292 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:40,292 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:36:40,293 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:40,293 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:36:40,294 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:36:40,323 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45
[2024-11-08 18:36:40,323 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 46 transitions, 218 flow. Second operand  has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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)
[2024-11-08 18:36:40,323 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:40,324 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45
[2024-11-08 18:36:40,324 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:42,089 INFO  L124   PetriNetUnfolderBase]: 4328/7313 cut-off events.
[2024-11-08 18:36:42,090 INFO  L125   PetriNetUnfolderBase]: For 7755/8163 co-relation queries the response was YES.
[2024-11-08 18:36:42,134 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 20744 conditions, 7313 events. 4328/7313 cut-off events. For 7755/8163 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 51686 event pairs, 1657 based on Foata normal form. 149/7104 useless extension candidates. Maximal degree in co-relation 20726. Up to 3043 conditions per place. 
[2024-11-08 18:36:42,161 INFO  L140   encePairwiseOnDemand]: 38/45 looper letters, 57 selfloop transitions, 13 changer transitions 22/106 dead transitions.
[2024-11-08 18:36:42,161 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 106 transitions, 648 flow
[2024-11-08 18:36:42,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:36:42,162 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-08 18:36:42,163 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 201 transitions.
[2024-11-08 18:36:42,163 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5583333333333333
[2024-11-08 18:36:42,163 INFO  L175             Difference]: Start difference. First operand has 56 places, 46 transitions, 218 flow. Second operand 8 states and 201 transitions.
[2024-11-08 18:36:42,163 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 106 transitions, 648 flow
[2024-11-08 18:36:42,169 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 106 transitions, 640 flow, removed 3 selfloop flow, removed 1 redundant places.
[2024-11-08 18:36:42,173 INFO  L231             Difference]: Finished difference. Result has 68 places, 52 transitions, 320 flow
[2024-11-08 18:36:42,173 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=320, PETRI_PLACES=68, PETRI_TRANSITIONS=52}
[2024-11-08 18:36:42,174 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 18 predicate places.
[2024-11-08 18:36:42,174 INFO  L471      AbstractCegarLoop]: Abstraction has has 68 places, 52 transitions, 320 flow
[2024-11-08 18:36:42,175 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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)
[2024-11-08 18:36:42,175 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:42,175 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:42,175 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 18:36:42,175 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:42,176 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:42,176 INFO  L85        PathProgramCache]: Analyzing trace with hash 468078120, now seen corresponding path program 1 times
[2024-11-08 18:36:42,177 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:42,178 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066698919]
[2024-11-08 18:36:42,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:42,179 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:42,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:42,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:42,488 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:42,488 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066698919]
[2024-11-08 18:36:42,488 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066698919] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:42,488 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:42,488 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:36:42,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896372403]
[2024-11-08 18:36:42,489 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:42,489 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:36:42,490 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:42,490 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:36:42,490 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:36:42,503 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45
[2024-11-08 18:36:42,504 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 52 transitions, 320 flow. Second operand  has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:36:42,504 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:42,504 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45
[2024-11-08 18:36:42,504 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:43,688 INFO  L124   PetriNetUnfolderBase]: 3683/6174 cut-off events.
[2024-11-08 18:36:43,689 INFO  L125   PetriNetUnfolderBase]: For 6186/6624 co-relation queries the response was YES.
[2024-11-08 18:36:43,717 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16997 conditions, 6174 events. 3683/6174 cut-off events. For 6186/6624 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 40072 event pairs, 579 based on Foata normal form. 364/6341 useless extension candidates. Maximal degree in co-relation 16972. Up to 1794 conditions per place. 
[2024-11-08 18:36:43,733 INFO  L140   encePairwiseOnDemand]: 39/45 looper letters, 57 selfloop transitions, 8 changer transitions 5/91 dead transitions.
[2024-11-08 18:36:43,733 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 91 transitions, 580 flow
[2024-11-08 18:36:43,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:36:43,734 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:36:43,735 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 145 transitions.
[2024-11-08 18:36:43,735 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6444444444444445
[2024-11-08 18:36:43,735 INFO  L175             Difference]: Start difference. First operand has 68 places, 52 transitions, 320 flow. Second operand 5 states and 145 transitions.
[2024-11-08 18:36:43,736 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 91 transitions, 580 flow
[2024-11-08 18:36:43,757 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 91 transitions, 560 flow, removed 10 selfloop flow, removed 0 redundant places.
[2024-11-08 18:36:43,764 INFO  L231             Difference]: Finished difference. Result has 74 places, 53 transitions, 326 flow
[2024-11-08 18:36:43,765 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=326, PETRI_PLACES=74, PETRI_TRANSITIONS=53}
[2024-11-08 18:36:43,765 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 24 predicate places.
[2024-11-08 18:36:43,766 INFO  L471      AbstractCegarLoop]: Abstraction has has 74 places, 53 transitions, 326 flow
[2024-11-08 18:36:43,766 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:36:43,766 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:43,766 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:43,767 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 18:36:43,767 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:43,771 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:43,771 INFO  L85        PathProgramCache]: Analyzing trace with hash -444911290, now seen corresponding path program 1 times
[2024-11-08 18:36:43,772 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:43,772 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957265213]
[2024-11-08 18:36:43,772 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:43,772 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:43,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:44,307 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:44,307 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:44,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957265213]
[2024-11-08 18:36:44,308 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957265213] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:44,308 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:44,308 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:36:44,309 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102109407]
[2024-11-08 18:36:44,309 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:44,309 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:36:44,310 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:44,310 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:36:44,311 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:36:44,318 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45
[2024-11-08 18:36:44,319 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 53 transitions, 326 flow. Second operand  has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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)
[2024-11-08 18:36:44,319 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:44,319 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45
[2024-11-08 18:36:44,319 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:45,356 INFO  L124   PetriNetUnfolderBase]: 2887/4770 cut-off events.
[2024-11-08 18:36:45,356 INFO  L125   PetriNetUnfolderBase]: For 7342/7683 co-relation queries the response was YES.
[2024-11-08 18:36:45,386 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 14544 conditions, 4770 events. 2887/4770 cut-off events. For 7342/7683 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 30110 event pairs, 517 based on Foata normal form. 182/4755 useless extension candidates. Maximal degree in co-relation 14515. Up to 1794 conditions per place. 
[2024-11-08 18:36:45,398 INFO  L140   encePairwiseOnDemand]: 39/45 looper letters, 50 selfloop transitions, 11 changer transitions 5/83 dead transitions.
[2024-11-08 18:36:45,399 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 83 transitions, 529 flow
[2024-11-08 18:36:45,399 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:36:45,400 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:36:45,401 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions.
[2024-11-08 18:36:45,401 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5851851851851851
[2024-11-08 18:36:45,401 INFO  L175             Difference]: Start difference. First operand has 74 places, 53 transitions, 326 flow. Second operand 6 states and 158 transitions.
[2024-11-08 18:36:45,401 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 83 transitions, 529 flow
[2024-11-08 18:36:45,413 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 83 transitions, 486 flow, removed 16 selfloop flow, removed 8 redundant places.
[2024-11-08 18:36:45,415 INFO  L231             Difference]: Finished difference. Result has 70 places, 50 transitions, 295 flow
[2024-11-08 18:36:45,415 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=295, PETRI_PLACES=70, PETRI_TRANSITIONS=50}
[2024-11-08 18:36:45,416 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 20 predicate places.
[2024-11-08 18:36:45,417 INFO  L471      AbstractCegarLoop]: Abstraction has has 70 places, 50 transitions, 295 flow
[2024-11-08 18:36:45,417 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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)
[2024-11-08 18:36:45,417 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:45,418 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:45,418 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 18:36:45,418 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:45,419 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:45,419 INFO  L85        PathProgramCache]: Analyzing trace with hash 970856693, now seen corresponding path program 1 times
[2024-11-08 18:36:45,420 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:45,420 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996077218]
[2024-11-08 18:36:45,420 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:45,420 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:45,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:47,448 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:47,448 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:36:47,448 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996077218]
[2024-11-08 18:36:47,449 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996077218] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:47,449 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:47,449 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-08 18:36:47,449 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740465426]
[2024-11-08 18:36:47,449 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:47,450 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:36:47,450 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:36:47,450 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:36:47,451 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-11-08 18:36:47,468 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 45
[2024-11-08 18:36:47,469 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 50 transitions, 295 flow. Second operand  has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 9 states have internal predecessors, (179), 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)
[2024-11-08 18:36:47,469 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:47,469 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 45
[2024-11-08 18:36:47,470 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:36:48,225 INFO  L124   PetriNetUnfolderBase]: 867/1828 cut-off events.
[2024-11-08 18:36:48,226 INFO  L125   PetriNetUnfolderBase]: For 2719/3101 co-relation queries the response was YES.
[2024-11-08 18:36:48,240 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5267 conditions, 1828 events. 867/1828 cut-off events. For 2719/3101 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 12405 event pairs, 237 based on Foata normal form. 43/1689 useless extension candidates. Maximal degree in co-relation 5242. Up to 780 conditions per place. 
[2024-11-08 18:36:48,245 INFO  L140   encePairwiseOnDemand]: 36/45 looper letters, 34 selfloop transitions, 7 changer transitions 25/95 dead transitions.
[2024-11-08 18:36:48,246 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 95 transitions, 565 flow
[2024-11-08 18:36:48,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:36:48,247 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 18:36:48,248 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 227 transitions.
[2024-11-08 18:36:48,248 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5604938271604938
[2024-11-08 18:36:48,249 INFO  L175             Difference]: Start difference. First operand has 70 places, 50 transitions, 295 flow. Second operand 9 states and 227 transitions.
[2024-11-08 18:36:48,249 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 95 transitions, 565 flow
[2024-11-08 18:36:48,267 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 95 transitions, 488 flow, removed 28 selfloop flow, removed 8 redundant places.
[2024-11-08 18:36:48,269 INFO  L231             Difference]: Finished difference. Result has 75 places, 54 transitions, 282 flow
[2024-11-08 18:36:48,269 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=282, PETRI_PLACES=75, PETRI_TRANSITIONS=54}
[2024-11-08 18:36:48,270 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 25 predicate places.
[2024-11-08 18:36:48,270 INFO  L471      AbstractCegarLoop]: Abstraction has has 75 places, 54 transitions, 282 flow
[2024-11-08 18:36:48,271 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 9 states have internal predecessors, (179), 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)
[2024-11-08 18:36:48,271 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:48,271 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:48,272 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 18:36:48,272 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:48,272 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:48,273 INFO  L85        PathProgramCache]: Analyzing trace with hash 2074571441, now seen corresponding path program 2 times
[2024-11-08 18:36:48,273 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:36:48,273 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88241348]
[2024-11-08 18:36:48,273 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:48,274 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:36:48,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:36:48,420 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:36:48,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:36:48,628 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:36:48,628 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:36:48,630 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining)
[2024-11-08 18:36:48,633 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining)
[2024-11-08 18:36:48,635 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining)
[2024-11-08 18:36:48,636 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining)
[2024-11-08 18:36:48,636 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining)
[2024-11-08 18:36:48,636 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining)
[2024-11-08 18:36:48,637 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining)
[2024-11-08 18:36:48,637 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-08 18:36:48,637 INFO  L407         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:36:48,767 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 18:36:48,768 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:36:48,780 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:36:48 BasicIcfg
[2024-11-08 18:36:48,780 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:36:48,781 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:36:48,781 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:36:48,781 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:36:48,782 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:36:28" (3/4) ...
[2024-11-08 18:36:48,786 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-08 18:36:48,787 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:36:48,788 INFO  L158              Benchmark]: Toolchain (without parser) took 22314.21ms. Allocated memory was 174.1MB in the beginning and 1.2GB in the end (delta: 987.8MB). Free memory was 144.4MB in the beginning and 803.0MB in the end (delta: -658.6MB). Peak memory consumption was 329.8MB. Max. memory is 16.1GB.
[2024-11-08 18:36:48,790 INFO  L158              Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:36:48,790 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1031.73ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 130.0MB in the end (delta: 14.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB.
[2024-11-08 18:36:48,793 INFO  L158              Benchmark]: Boogie Procedure Inliner took 70.35ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 126.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:36:48,793 INFO  L158              Benchmark]: Boogie Preprocessor took 71.20ms. Allocated memory is still 174.1MB. Free memory was 126.9MB in the beginning and 123.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 18:36:48,794 INFO  L158              Benchmark]: RCFGBuilder took 1244.64ms. Allocated memory is still 174.1MB. Free memory was 123.7MB in the beginning and 72.4MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-11-08 18:36:48,794 INFO  L158              Benchmark]: TraceAbstraction took 19881.07ms. Allocated memory was 174.1MB in the beginning and 1.2GB in the end (delta: 987.8MB). Free memory was 72.4MB in the beginning and 803.0MB in the end (delta: -730.6MB). Peak memory consumption was 260.1MB. Max. memory is 16.1GB.
[2024-11-08 18:36:48,794 INFO  L158              Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 1.2GB. Free memory is still 803.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:36:48,801 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1031.73ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 130.0MB in the end (delta: 14.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 70.35ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 126.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 71.20ms. Allocated memory is still 174.1MB. Free memory was 126.9MB in the beginning and 123.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1244.64ms. Allocated memory is still 174.1MB. Free memory was 123.7MB in the beginning and 72.4MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 19881.07ms. Allocated memory was 174.1MB in the beginning and 1.2GB in the end (delta: 987.8MB). Free memory was 72.4MB in the beginning and 803.0MB in the end (delta: -730.6MB). Peak memory consumption was 260.1MB. Max. memory is 16.1GB.
 * Witness Printer took 6.60ms. Allocated memory is still 1.2GB. Free memory is still 803.0MB. There was no memory consumed. 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: 
[L709]               0  int __unbuffered_cnt = 0;
[L711]               0  int __unbuffered_p1_EAX = 0;
[L713]               0  int __unbuffered_p2_EAX = 0;
[L715]               0  int __unbuffered_p2_EBX = 0;
[L716]               0  _Bool main$tmp_guard0;
[L717]               0  _Bool main$tmp_guard1;
[L719]               0  int x = 0;
[L721]               0  int y = 0;
[L723]               0  int z = 0;
[L724]               0  _Bool z$flush_delayed;
[L725]               0  int z$mem_tmp;
[L726]               0  _Bool z$r_buff0_thd0;
[L727]               0  _Bool z$r_buff0_thd1;
[L728]               0  _Bool z$r_buff0_thd2;
[L729]               0  _Bool z$r_buff0_thd3;
[L730]               0  _Bool z$r_buff1_thd0;
[L731]               0  _Bool z$r_buff1_thd1;
[L732]               0  _Bool z$r_buff1_thd2;
[L733]               0  _Bool z$r_buff1_thd3;
[L734]               0  _Bool z$read_delayed;
[L735]               0  int *z$read_delayed_var;
[L736]               0  int z$w_buff0;
[L737]               0  _Bool z$w_buff0_used;
[L738]               0  int z$w_buff1;
[L739]               0  _Bool z$w_buff1_used;
[L740]               0  _Bool weak$$choice0;
[L741]               0  _Bool weak$$choice2;
[L838]               0  pthread_t t497;
[L839]  FCALL, FORK  0  pthread_create(&t497, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t497=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L840]               0  pthread_t t498;
[L841]  FCALL, FORK  0  pthread_create(&t498, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t497=-2, t498=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L842]               0  pthread_t t499;
[L843]  FCALL, FORK  0  pthread_create(&t499, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t497=-2, t498=-1, t499=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L745]               1  z$w_buff1 = z$w_buff0
[L746]               1  z$w_buff0 = 1
[L747]               1  z$w_buff1_used = z$w_buff0_used
[L748]               1  z$w_buff0_used = (_Bool)1
[L749]  CALL         1  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L18]   COND FALSE   1  !(!expression)
[L749]  RET          1  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L750]               1  z$r_buff1_thd0 = z$r_buff0_thd0
[L751]               1  z$r_buff1_thd1 = z$r_buff0_thd1
[L752]               1  z$r_buff1_thd2 = z$r_buff0_thd2
[L753]               1  z$r_buff1_thd3 = z$r_buff0_thd3
[L754]               1  z$r_buff0_thd1 = (_Bool)1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L757]               1  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L774]               2  x = 2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L777]               2  __unbuffered_p1_EAX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L780]               2  z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z)
[L781]               2  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used
[L782]               2  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used
[L783]               2  z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2
[L784]               2  z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L794]               3  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L797]               3  __unbuffered_p2_EAX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L800]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L801]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L802]               3  z$flush_delayed = weak$$choice2
[L803]               3  z$mem_tmp = z
[L804]               3  z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)
[L805]               3  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L806]               3  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L807]               3  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used))
[L808]               3  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L809]               3  z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3))
[L810]               3  z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L811]               3  __unbuffered_p2_EBX = z
[L812]               3  z = z$flush_delayed ? z$mem_tmp : z
[L813]               3  z$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L816]               3  z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z)
[L817]               3  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used
[L818]               3  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used
[L819]               3  z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3
[L820]               3  z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L760]               1  z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z)
[L761]               1  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used
[L762]               1  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used
[L763]               1  z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1
[L764]               1  z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L767]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L787]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L823]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L845]               0  main$tmp_guard0 = __unbuffered_cnt == 3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t497=-2, t498=-1, t499=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L847]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L847]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L849]               0  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L850]               0  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L851]               0  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L852]               0  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L853]               0  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t497=-2, t498=-1, t499=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L856]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t497=-2, t498=-1, t499=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L858]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
[L18]   CALL         0  reach_error()
[L17]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L17]                0  __assert_fail ("0", "mix019_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]

  - 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: 836]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 841]: 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: 839]: 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: 843]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 70 locations, 7 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: 19.5s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 455 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1182 IncrementalHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 48 mSDtfsCounter, 1182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=8, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 1137 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 18:36:48,853 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX --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 3361d121b1701e03d91abe21b23341050c9e7b0bb70abe94dd0f34e8fd521162
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:36:52,067 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:36:52,205 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-08 18:36:52,217 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:36:52,217 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:36:52,265 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:36:52,266 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:36:52,266 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:36:52,267 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:36:52,268 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:36:52,269 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:36:52,269 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:36:52,270 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:36:52,271 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:36:52,273 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:36:52,274 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:36:52,274 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:36:52,275 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:36:52,275 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:36:52,275 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:36:52,276 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 18:36:52,276 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-08 18:36:52,277 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-08 18:36:52,277 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:36:52,278 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-08 18:36:52,278 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-08 18:36:52,278 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:36:52,279 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 18:36:52,279 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-08 18:36:52,279 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:36:52,280 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:36:52,280 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:36:52,280 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:36:52,281 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:36:52,281 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:36:52,281 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:36:52,282 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:36:52,282 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:36:52,282 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-08 18:36:52,283 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 18:36:52,283 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:36:52,283 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:36:52,284 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:36:52,284 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:36:52,284 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX
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 -> 3361d121b1701e03d91abe21b23341050c9e7b0bb70abe94dd0f34e8fd521162
[2024-11-08 18:36:52,841 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:36:52,872 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:36:52,876 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:36:52,878 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:36:52,879 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:36:52,881 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i
Unable to find full path for "g++"
[2024-11-08 18:36:55,440 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:36:55,826 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:36:55,827 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/sv-benchmarks/c/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-08 18:36:55,862 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/data/144f7a40d/c01c5580e7b54f17a9d3a8b77cb70c85/FLAGc332d40e6
[2024-11-08 18:36:55,889 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/data/144f7a40d/c01c5580e7b54f17a9d3a8b77cb70c85
[2024-11-08 18:36:55,893 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:36:55,897 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:36:55,899 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:36:55,901 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:36:55,909 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:36:55,910 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:36:55" (1/1) ...
[2024-11-08 18:36:55,912 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98d3eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:55, skipping insertion in model container
[2024-11-08 18:36:55,913 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:36:55" (1/1) ...
[2024-11-08 18:36:56,002 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:36:56,768 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:36:56,792 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:36:56,910 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:36:56,981 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:36:56,981 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56 WrapperNode
[2024-11-08 18:36:56,981 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:36:56,982 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:36:56,983 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:36:56,983 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:36:56,994 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,025 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,080 INFO  L138                Inliner]: procedures = 176, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 121
[2024-11-08 18:36:57,080 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:36:57,081 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:36:57,082 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:36:57,082 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:36:57,098 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,099 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,105 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,150 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].
[2024-11-08 18:36:57,151 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,151 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,170 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,173 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,176 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,178 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,183 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:36:57,184 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:36:57,185 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:36:57,185 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:36:57,186 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (1/1) ...
[2024-11-08 18:36:57,194 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:36:57,212 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:36:57,230 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:36:57,238 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:36:57,277 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:36:57,277 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:36:57,278 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 18:36:57,278 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 18:36:57,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 18:36:57,278 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 18:36:57,279 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 18:36:57,279 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 18:36:57,281 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 18:36:57,282 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:36:57,282 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:36:57,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:36:57,284 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 18:36:57,526 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:36:57,529 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:36:58,115 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:36:58,115 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:36:58,528 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:36:58,528 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:36:58,529 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:36:58 BoogieIcfgContainer
[2024-11-08 18:36:58,529 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:36:58,534 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:36:58,535 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:36:58,540 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:36:58,540 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:36:55" (1/3) ...
[2024-11-08 18:36:58,542 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57fd239f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:36:58, skipping insertion in model container
[2024-11-08 18:36:58,543 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:36:56" (2/3) ...
[2024-11-08 18:36:58,543 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57fd239f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:36:58, skipping insertion in model container
[2024-11-08 18:36:58,544 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:36:58" (3/3) ...
[2024-11-08 18:36:58,546 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix019_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-08 18:36:58,584 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:36:58,584 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-11-08 18:36:58,584 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:36:58,691 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:36:58,753 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow
[2024-11-08 18:36:58,815 INFO  L124   PetriNetUnfolderBase]: 2/42 cut-off events.
[2024-11-08 18:36:58,816 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:36:58,822 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. 
[2024-11-08 18:36:58,822 INFO  L82        GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow
[2024-11-08 18:36:58,828 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow
[2024-11-08 18:36:58,847 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:36:58,860 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;@c278023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:36:58,860 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-11-08 18:36:58,868 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:36:58,868 INFO  L124   PetriNetUnfolderBase]: 0/5 cut-off events.
[2024-11-08 18:36:58,869 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:36:58,869 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:36:58,870 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-08 18:36:58,871 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:36:58,878 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:36:58,879 INFO  L85        PathProgramCache]: Analyzing trace with hash 12155902, now seen corresponding path program 1 times
[2024-11-08 18:36:58,901 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:36:58,902 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850751606]
[2024-11-08 18:36:58,903 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:36:58,903 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:36:58,904 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:36:58,907 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:36:58,909 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 18:36:59,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:36:59,098 INFO  L255         TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:36:59,108 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:36:59,163 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:36:59,165 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:36:59,166 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:36:59,166 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850751606]
[2024-11-08 18:36:59,167 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [850751606] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:36:59,168 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:36:59,168 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:36:59,171 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74791825]
[2024-11-08 18:36:59,173 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:36:59,193 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:36:59,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:36:59,241 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:36:59,242 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:36:59,244 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45
[2024-11-08 18:36:59,247 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand  has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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)
[2024-11-08 18:36:59,248 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:36:59,249 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45
[2024-11-08 18:36:59,250 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:37:00,033 INFO  L124   PetriNetUnfolderBase]: 825/1530 cut-off events.
[2024-11-08 18:37:00,033 INFO  L125   PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES.
[2024-11-08 18:37:00,045 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2811 conditions, 1530 events. 825/1530 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 9940 event pairs, 129 based on Foata normal form. 96/1610 useless extension candidates. Maximal degree in co-relation 2800. Up to 1009 conditions per place. 
[2024-11-08 18:37:00,062 INFO  L140   encePairwiseOnDemand]: 40/45 looper letters, 33 selfloop transitions, 2 changer transitions 2/54 dead transitions.
[2024-11-08 18:37:00,064 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 197 flow
[2024-11-08 18:37:00,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:37:00,069 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:37:00,079 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions.
[2024-11-08 18:37:00,082 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7555555555555555
[2024-11-08 18:37:00,084 INFO  L175             Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 102 transitions.
[2024-11-08 18:37:00,086 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 197 flow
[2024-11-08 18:37:00,090 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 18:37:00,095 INFO  L231             Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow
[2024-11-08 18:37:00,100 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37}
[2024-11-08 18:37:00,106 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places.
[2024-11-08 18:37:00,107 INFO  L471      AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow
[2024-11-08 18:37:00,107 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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)
[2024-11-08 18:37:00,108 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:37:00,108 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:37:00,135 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 18:37:00,309 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:00,311 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:37:00,311 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:37:00,312 INFO  L85        PathProgramCache]: Analyzing trace with hash 1794921014, now seen corresponding path program 1 times
[2024-11-08 18:37:00,312 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:37:00,313 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445942921]
[2024-11-08 18:37:00,313 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:37:00,315 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:00,316 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:37:00,318 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:37:00,331 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 18:37:00,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:37:00,471 INFO  L255         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 18:37:00,473 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:37:00,521 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:37:00,521 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:37:00,521 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:37:00,522 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445942921]
[2024-11-08 18:37:00,522 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445942921] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:37:00,522 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:37:00,523 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:37:00,523 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969006327]
[2024-11-08 18:37:00,523 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:37:00,525 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:37:00,525 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:37:00,526 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:37:00,526 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:37:00,527 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45
[2024-11-08 18:37:00,527 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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)
[2024-11-08 18:37:00,527 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:37:00,528 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45
[2024-11-08 18:37:00,528 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:37:00,939 INFO  L124   PetriNetUnfolderBase]: 721/1385 cut-off events.
[2024-11-08 18:37:00,939 INFO  L125   PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES.
[2024-11-08 18:37:00,944 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 1385 events. 721/1385 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8828 event pairs, 721 based on Foata normal form. 48/1383 useless extension candidates. Maximal degree in co-relation 2595. Up to 1090 conditions per place. 
[2024-11-08 18:37:00,952 INFO  L140   encePairwiseOnDemand]: 43/45 looper letters, 18 selfloop transitions, 1 changer transitions 1/36 dead transitions.
[2024-11-08 18:37:00,953 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 122 flow
[2024-11-08 18:37:00,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:37:00,956 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:37:00,957 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions.
[2024-11-08 18:37:00,958 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5777777777777777
[2024-11-08 18:37:00,958 INFO  L175             Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 3 states and 78 transitions.
[2024-11-08 18:37:00,959 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 122 flow
[2024-11-08 18:37:00,959 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:37:00,961 INFO  L231             Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow
[2024-11-08 18:37:00,961 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35}
[2024-11-08 18:37:00,962 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places.
[2024-11-08 18:37:00,965 INFO  L471      AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow
[2024-11-08 18:37:00,966 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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)
[2024-11-08 18:37:00,966 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:37:00,967 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:37:00,995 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 18:37:01,168 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:01,170 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:37:01,171 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:37:01,171 INFO  L85        PathProgramCache]: Analyzing trace with hash 1794922563, now seen corresponding path program 1 times
[2024-11-08 18:37:01,172 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:37:01,172 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1308874149]
[2024-11-08 18:37:01,172 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:37:01,173 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:01,173 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:37:01,175 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:37:01,177 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 18:37:01,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:37:01,339 INFO  L255         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 18:37:01,340 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:37:01,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:37:01,422 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:37:01,423 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:37:01,423 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308874149]
[2024-11-08 18:37:01,423 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308874149] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:37:01,423 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:37:01,424 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:37:01,424 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339771517]
[2024-11-08 18:37:01,424 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:37:01,424 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:37:01,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:37:01,425 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:37:01,426 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:37:01,453 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45
[2024-11-08 18:37:01,454 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand  has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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)
[2024-11-08 18:37:01,454 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:37:01,454 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45
[2024-11-08 18:37:01,456 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:37:02,079 INFO  L124   PetriNetUnfolderBase]: 1499/2617 cut-off events.
[2024-11-08 18:37:02,079 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:37:02,086 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4933 conditions, 2617 events. 1499/2617 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 16573 event pairs, 188 based on Foata normal form. 100/2677 useless extension candidates. Maximal degree in co-relation 4927. Up to 1316 conditions per place. 
[2024-11-08 18:37:02,099 INFO  L140   encePairwiseOnDemand]: 39/45 looper letters, 42 selfloop transitions, 5 changer transitions 1/60 dead transitions.
[2024-11-08 18:37:02,100 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 60 transitions, 228 flow
[2024-11-08 18:37:02,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:37:02,101 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:37:02,102 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions.
[2024-11-08 18:37:02,102 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6333333333333333
[2024-11-08 18:37:02,102 INFO  L175             Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 4 states and 114 transitions.
[2024-11-08 18:37:02,103 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 60 transitions, 228 flow
[2024-11-08 18:37:02,103 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 60 transitions, 227 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 18:37:02,105 INFO  L231             Difference]: Finished difference. Result has 48 places, 38 transitions, 111 flow
[2024-11-08 18:37:02,106 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=111, PETRI_PLACES=48, PETRI_TRANSITIONS=38}
[2024-11-08 18:37:02,107 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places.
[2024-11-08 18:37:02,107 INFO  L471      AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 111 flow
[2024-11-08 18:37:02,107 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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)
[2024-11-08 18:37:02,107 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:37:02,108 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:37:02,133 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-08 18:37:02,308 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:02,309 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:37:02,310 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:37:02,311 INFO  L85        PathProgramCache]: Analyzing trace with hash -2071795182, now seen corresponding path program 1 times
[2024-11-08 18:37:02,312 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:37:02,316 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [856538408]
[2024-11-08 18:37:02,316 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:37:02,316 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:02,317 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:37:02,323 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:37:02,325 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 18:37:02,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:37:02,439 INFO  L255         TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 18:37:02,441 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:37:02,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:37:02,493 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:37:02,494 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:37:02,494 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856538408]
[2024-11-08 18:37:02,494 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [856538408] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:37:02,494 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:37:02,495 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:37:02,495 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475163563]
[2024-11-08 18:37:02,495 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:37:02,498 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:37:02,499 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:37:02,499 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:37:02,499 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:37:02,513 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45
[2024-11-08 18:37:02,514 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 111 flow. Second operand  has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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)
[2024-11-08 18:37:02,514 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:37:02,514 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45
[2024-11-08 18:37:02,514 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:37:02,940 INFO  L124   PetriNetUnfolderBase]: 962/1684 cut-off events.
[2024-11-08 18:37:02,940 INFO  L125   PetriNetUnfolderBase]: For 423/423 co-relation queries the response was YES.
[2024-11-08 18:37:02,944 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3790 conditions, 1684 events. 962/1684 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 9327 event pairs, 100 based on Foata normal form. 82/1733 useless extension candidates. Maximal degree in co-relation 3781. Up to 581 conditions per place. 
[2024-11-08 18:37:02,952 INFO  L140   encePairwiseOnDemand]: 39/45 looper letters, 53 selfloop transitions, 8 changer transitions 1/74 dead transitions.
[2024-11-08 18:37:02,953 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 74 transitions, 328 flow
[2024-11-08 18:37:02,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:37:02,954 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:37:02,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions.
[2024-11-08 18:37:02,955 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.64
[2024-11-08 18:37:02,955 INFO  L175             Difference]: Start difference. First operand has 48 places, 38 transitions, 111 flow. Second operand 5 states and 144 transitions.
[2024-11-08 18:37:02,956 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 74 transitions, 328 flow
[2024-11-08 18:37:02,958 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 74 transitions, 318 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-08 18:37:02,959 INFO  L231             Difference]: Finished difference. Result has 52 places, 41 transitions, 151 flow
[2024-11-08 18:37:02,960 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=52, PETRI_TRANSITIONS=41}
[2024-11-08 18:37:02,960 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places.
[2024-11-08 18:37:02,961 INFO  L471      AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 151 flow
[2024-11-08 18:37:02,961 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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)
[2024-11-08 18:37:02,961 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:37:02,961 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:37:02,983 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-08 18:37:03,165 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:03,166 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:37:03,167 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:37:03,167 INFO  L85        PathProgramCache]: Analyzing trace with hash 961573764, now seen corresponding path program 1 times
[2024-11-08 18:37:03,167 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:37:03,167 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722586866]
[2024-11-08 18:37:03,168 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:37:03,168 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:03,168 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:37:03,172 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:37:03,174 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 18:37:03,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:37:03,296 INFO  L255         TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:37:03,298 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:37:03,382 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:37:03,382 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:37:03,382 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:37:03,383 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722586866]
[2024-11-08 18:37:03,383 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722586866] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:37:03,387 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:37:03,387 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:37:03,387 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482634794]
[2024-11-08 18:37:03,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:37:03,388 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:37:03,388 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:37:03,389 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:37:03,389 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:37:03,417 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45
[2024-11-08 18:37:03,417 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 151 flow. Second operand  has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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)
[2024-11-08 18:37:03,417 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:37:03,418 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45
[2024-11-08 18:37:03,418 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:37:03,880 INFO  L124   PetriNetUnfolderBase]: 569/961 cut-off events.
[2024-11-08 18:37:03,881 INFO  L125   PetriNetUnfolderBase]: For 806/806 co-relation queries the response was YES.
[2024-11-08 18:37:03,884 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2476 conditions, 961 events. 569/961 cut-off events. For 806/806 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4381 event pairs, 83 based on Foata normal form. 40/970 useless extension candidates. Maximal degree in co-relation 2465. Up to 308 conditions per place. 
[2024-11-08 18:37:03,889 INFO  L140   encePairwiseOnDemand]: 39/45 looper letters, 46 selfloop transitions, 11 changer transitions 1/70 dead transitions.
[2024-11-08 18:37:03,890 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 70 transitions, 335 flow
[2024-11-08 18:37:03,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:37:03,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:37:03,891 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions.
[2024-11-08 18:37:03,892 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5777777777777777
[2024-11-08 18:37:03,892 INFO  L175             Difference]: Start difference. First operand has 52 places, 41 transitions, 151 flow. Second operand 6 states and 156 transitions.
[2024-11-08 18:37:03,892 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 70 transitions, 335 flow
[2024-11-08 18:37:03,898 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 70 transitions, 310 flow, removed 4 selfloop flow, removed 4 redundant places.
[2024-11-08 18:37:03,900 INFO  L231             Difference]: Finished difference. Result has 55 places, 41 transitions, 165 flow
[2024-11-08 18:37:03,901 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=165, PETRI_PLACES=55, PETRI_TRANSITIONS=41}
[2024-11-08 18:37:03,902 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 5 predicate places.
[2024-11-08 18:37:03,902 INFO  L471      AbstractCegarLoop]: Abstraction has has 55 places, 41 transitions, 165 flow
[2024-11-08 18:37:03,902 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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)
[2024-11-08 18:37:03,902 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:37:03,903 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:37:03,928 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 18:37:04,104 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:04,104 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:37:04,105 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:37:04,105 INFO  L85        PathProgramCache]: Analyzing trace with hash -22143689, now seen corresponding path program 1 times
[2024-11-08 18:37:04,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:37:04,106 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241240713]
[2024-11-08 18:37:04,106 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:37:04,106 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:04,106 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:37:04,111 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:37:04,113 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 18:37:04,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:37:04,261 INFO  L255         TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-08 18:37:04,267 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:37:05,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:37:05,011 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:37:05,011 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:37:05,012 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241240713]
[2024-11-08 18:37:05,012 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241240713] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:37:05,012 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:37:05,012 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 18:37:05,013 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251981799]
[2024-11-08 18:37:05,013 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:37:05,013 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 18:37:05,014 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:37:05,014 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 18:37:05,014 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2024-11-08 18:37:05,038 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 18 out of 45
[2024-11-08 18:37:05,039 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 41 transitions, 165 flow. Second operand  has 10 states, 10 states have (on average 19.8) internal successors, (198), 10 states have internal predecessors, (198), 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)
[2024-11-08 18:37:05,039 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:37:05,039 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 45
[2024-11-08 18:37:05,040 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:37:05,904 INFO  L124   PetriNetUnfolderBase]: 477/918 cut-off events.
[2024-11-08 18:37:05,904 INFO  L125   PetriNetUnfolderBase]: For 488/508 co-relation queries the response was YES.
[2024-11-08 18:37:05,908 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2161 conditions, 918 events. 477/918 cut-off events. For 488/508 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4691 event pairs, 98 based on Foata normal form. 8/888 useless extension candidates. Maximal degree in co-relation 2149. Up to 256 conditions per place. 
[2024-11-08 18:37:05,911 INFO  L140   encePairwiseOnDemand]: 36/45 looper letters, 33 selfloop transitions, 4 changer transitions 28/85 dead transitions.
[2024-11-08 18:37:05,912 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 85 transitions, 403 flow
[2024-11-08 18:37:05,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-08 18:37:05,912 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-08 18:37:05,913 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 246 transitions.
[2024-11-08 18:37:05,914 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5466666666666666
[2024-11-08 18:37:05,914 INFO  L175             Difference]: Start difference. First operand has 55 places, 41 transitions, 165 flow. Second operand 10 states and 246 transitions.
[2024-11-08 18:37:05,914 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 85 transitions, 403 flow
[2024-11-08 18:37:05,918 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 85 transitions, 336 flow, removed 14 selfloop flow, removed 8 redundant places.
[2024-11-08 18:37:05,920 INFO  L231             Difference]: Finished difference. Result has 61 places, 41 transitions, 129 flow
[2024-11-08 18:37:05,920 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=129, PETRI_PLACES=61, PETRI_TRANSITIONS=41}
[2024-11-08 18:37:05,921 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 11 predicate places.
[2024-11-08 18:37:05,922 INFO  L471      AbstractCegarLoop]: Abstraction has has 61 places, 41 transitions, 129 flow
[2024-11-08 18:37:05,922 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 19.8) internal successors, (198), 10 states have internal predecessors, (198), 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)
[2024-11-08 18:37:05,922 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:37:05,923 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:37:05,950 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-08 18:37:06,123 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:06,124 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:37:06,124 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:37:06,124 INFO  L85        PathProgramCache]: Analyzing trace with hash 1451977501, now seen corresponding path program 2 times
[2024-11-08 18:37:06,125 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:37:06,125 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837680360]
[2024-11-08 18:37:06,125 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 18:37:06,125 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:06,126 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:37:06,129 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:37:06,130 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 18:37:06,264 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-08 18:37:06,264 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 18:37:06,267 INFO  L255         TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-08 18:37:06,269 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:37:06,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:37:06,375 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:37:06,375 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:37:06,376 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837680360]
[2024-11-08 18:37:06,376 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [837680360] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:37:06,376 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:37:06,376 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 18:37:06,377 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906532927]
[2024-11-08 18:37:06,377 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:37:06,377 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:37:06,378 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:37:06,379 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:37:06,379 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:37:06,406 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45
[2024-11-08 18:37:06,406 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 41 transitions, 129 flow. Second operand  has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 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)
[2024-11-08 18:37:06,407 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:37:06,407 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45
[2024-11-08 18:37:06,407 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:37:06,955 INFO  L124   PetriNetUnfolderBase]: 717/1359 cut-off events.
[2024-11-08 18:37:06,955 INFO  L125   PetriNetUnfolderBase]: For 262/270 co-relation queries the response was YES.
[2024-11-08 18:37:06,961 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2947 conditions, 1359 events. 717/1359 cut-off events. For 262/270 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 7532 event pairs, 305 based on Foata normal form. 8/1307 useless extension candidates. Maximal degree in co-relation 2934. Up to 625 conditions per place. 
[2024-11-08 18:37:06,965 INFO  L140   encePairwiseOnDemand]: 39/45 looper letters, 31 selfloop transitions, 2 changer transitions 17/68 dead transitions.
[2024-11-08 18:37:06,966 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 302 flow
[2024-11-08 18:37:06,966 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 18:37:06,967 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-08 18:37:06,967 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 147 transitions.
[2024-11-08 18:37:06,968 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5444444444444444
[2024-11-08 18:37:06,968 INFO  L175             Difference]: Start difference. First operand has 61 places, 41 transitions, 129 flow. Second operand 6 states and 147 transitions.
[2024-11-08 18:37:06,968 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 302 flow
[2024-11-08 18:37:06,973 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 68 transitions, 276 flow, removed 7 selfloop flow, removed 8 redundant places.
[2024-11-08 18:37:06,977 INFO  L231             Difference]: Finished difference. Result has 57 places, 41 transitions, 127 flow
[2024-11-08 18:37:06,978 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=127, PETRI_PLACES=57, PETRI_TRANSITIONS=41}
[2024-11-08 18:37:06,978 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places.
[2024-11-08 18:37:06,978 INFO  L471      AbstractCegarLoop]: Abstraction has has 57 places, 41 transitions, 127 flow
[2024-11-08 18:37:06,979 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 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)
[2024-11-08 18:37:06,979 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:37:06,979 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:37:07,008 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-08 18:37:07,179 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:07,180 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:37:07,180 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:37:07,180 INFO  L85        PathProgramCache]: Analyzing trace with hash -652768355, now seen corresponding path program 3 times
[2024-11-08 18:37:07,181 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:37:07,181 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828156869]
[2024-11-08 18:37:07,181 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 18:37:07,182 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:07,182 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:37:07,191 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:37:07,196 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 18:37:07,342 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-08 18:37:07,343 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 18:37:07,345 INFO  L255         TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 18:37:07,348 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:37:07,584 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:37:07,585 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:37:07,585 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:37:07,585 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828156869]
[2024-11-08 18:37:07,585 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [828156869] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:37:07,586 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:37:07,586 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-08 18:37:07,586 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791622328]
[2024-11-08 18:37:07,586 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:37:07,587 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:37:07,587 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:37:07,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:37:07,588 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-11-08 18:37:07,664 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 45
[2024-11-08 18:37:07,665 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 41 transitions, 127 flow. Second operand  has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 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)
[2024-11-08 18:37:07,665 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:37:07,665 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 45
[2024-11-08 18:37:07,665 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:37:08,372 INFO  L124   PetriNetUnfolderBase]: 907/1530 cut-off events.
[2024-11-08 18:37:08,373 INFO  L125   PetriNetUnfolderBase]: For 310/310 co-relation queries the response was YES.
[2024-11-08 18:37:08,378 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3433 conditions, 1530 events. 907/1530 cut-off events. For 310/310 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6932 event pairs, 222 based on Foata normal form. 8/1534 useless extension candidates. Maximal degree in co-relation 3421. Up to 767 conditions per place. 
[2024-11-08 18:37:08,383 INFO  L140   encePairwiseOnDemand]: 35/45 looper letters, 40 selfloop transitions, 6 changer transitions 41/96 dead transitions.
[2024-11-08 18:37:08,383 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 96 transitions, 455 flow
[2024-11-08 18:37:08,384 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-08 18:37:08,384 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-08 18:37:08,385 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 199 transitions.
[2024-11-08 18:37:08,385 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.49135802469135803
[2024-11-08 18:37:08,386 INFO  L175             Difference]: Start difference. First operand has 57 places, 41 transitions, 127 flow. Second operand 9 states and 199 transitions.
[2024-11-08 18:37:08,386 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 96 transitions, 455 flow
[2024-11-08 18:37:08,388 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 96 transitions, 437 flow, removed 7 selfloop flow, removed 5 redundant places.
[2024-11-08 18:37:08,390 INFO  L231             Difference]: Finished difference. Result has 63 places, 43 transitions, 152 flow
[2024-11-08 18:37:08,390 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=152, PETRI_PLACES=63, PETRI_TRANSITIONS=43}
[2024-11-08 18:37:08,391 INFO  L277   CegarLoopForPetriNet]: 50 programPoint places, 13 predicate places.
[2024-11-08 18:37:08,391 INFO  L471      AbstractCegarLoop]: Abstraction has has 63 places, 43 transitions, 152 flow
[2024-11-08 18:37:08,392 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 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)
[2024-11-08 18:37:08,392 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:37:08,392 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:37:08,419 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-08 18:37:08,596 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:08,598 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] ===
[2024-11-08 18:37:08,600 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:37:08,600 INFO  L85        PathProgramCache]: Analyzing trace with hash 1440620657, now seen corresponding path program 4 times
[2024-11-08 18:37:08,601 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:37:08,601 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528903914]
[2024-11-08 18:37:08,602 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-08 18:37:08,602 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:08,602 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:37:08,604 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:37:08,607 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-08 18:37:08,753 INFO  L227   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-08 18:37:08,754 INFO  L228   tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-08 18:37:08,754 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:37:08,803 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:37:08,877 INFO  L130   FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-08 18:37:08,878 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:37:08,881 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining)
[2024-11-08 18:37:08,884 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining)
[2024-11-08 18:37:08,884 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining)
[2024-11-08 18:37:08,887 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining)
[2024-11-08 18:37:08,887 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining)
[2024-11-08 18:37:08,888 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining)
[2024-11-08 18:37:08,888 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining)
[2024-11-08 18:37:08,915 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-08 18:37:09,088 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:37:09,089 INFO  L407         BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1]
[2024-11-08 18:37:09,216 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 18:37:09,216 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:37:09,224 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:37:09 BasicIcfg
[2024-11-08 18:37:09,224 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:37:09,225 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:37:09,225 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:37:09,225 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:37:09,226 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:36:58" (3/4) ...
[2024-11-08 18:37:09,229 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-08 18:37:09,230 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:37:09,232 INFO  L158              Benchmark]: Toolchain (without parser) took 13334.97ms. Allocated memory was 67.1MB in the beginning and 190.8MB in the end (delta: 123.7MB). Free memory was 41.4MB in the beginning and 61.3MB in the end (delta: -20.0MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB.
[2024-11-08 18:37:09,232 INFO  L158              Benchmark]: CDTParser took 1.74ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:37:09,233 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1082.47ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 41.2MB in the beginning and 53.2MB in the end (delta: -12.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
[2024-11-08 18:37:09,233 INFO  L158              Benchmark]: Boogie Procedure Inliner took 98.39ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 50.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 18:37:09,234 INFO  L158              Benchmark]: Boogie Preprocessor took 101.95ms. Allocated memory is still 88.1MB. Free memory was 50.5MB in the beginning and 46.9MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:37:09,235 INFO  L158              Benchmark]: RCFGBuilder took 1344.50ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 35.4MB in the end (delta: 11.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB.
[2024-11-08 18:37:09,235 INFO  L158              Benchmark]: TraceAbstraction took 10689.80ms. Allocated memory was 88.1MB in the beginning and 190.8MB in the end (delta: 102.8MB). Free memory was 34.9MB in the beginning and 61.3MB in the end (delta: -26.4MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB.
[2024-11-08 18:37:09,236 INFO  L158              Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 190.8MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:37:09,239 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.74ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1082.47ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 41.2MB in the beginning and 53.2MB in the end (delta: -12.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 98.39ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 50.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 101.95ms. Allocated memory is still 88.1MB. Free memory was 50.5MB in the beginning and 46.9MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1344.50ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 35.4MB in the end (delta: 11.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 10689.80ms. Allocated memory was 88.1MB in the beginning and 190.8MB in the end (delta: 102.8MB). Free memory was 34.9MB in the beginning and 61.3MB in the end (delta: -26.4MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB.
 * Witness Printer took 5.82ms. Allocated memory is still 190.8MB. Free memory is still 61.3MB. There was no memory consumed. 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: 
[L709]               0  int __unbuffered_cnt = 0;
[L711]               0  int __unbuffered_p1_EAX = 0;
[L713]               0  int __unbuffered_p2_EAX = 0;
[L715]               0  int __unbuffered_p2_EBX = 0;
[L716]               0  _Bool main$tmp_guard0;
[L717]               0  _Bool main$tmp_guard1;
[L719]               0  int x = 0;
[L721]               0  int y = 0;
[L723]               0  int z = 0;
[L724]               0  _Bool z$flush_delayed;
[L725]               0  int z$mem_tmp;
[L726]               0  _Bool z$r_buff0_thd0;
[L727]               0  _Bool z$r_buff0_thd1;
[L728]               0  _Bool z$r_buff0_thd2;
[L729]               0  _Bool z$r_buff0_thd3;
[L730]               0  _Bool z$r_buff1_thd0;
[L731]               0  _Bool z$r_buff1_thd1;
[L732]               0  _Bool z$r_buff1_thd2;
[L733]               0  _Bool z$r_buff1_thd3;
[L734]               0  _Bool z$read_delayed;
[L735]               0  int *z$read_delayed_var;
[L736]               0  int z$w_buff0;
[L737]               0  _Bool z$w_buff0_used;
[L738]               0  int z$w_buff1;
[L739]               0  _Bool z$w_buff1_used;
[L740]               0  _Bool weak$$choice0;
[L741]               0  _Bool weak$$choice2;
[L838]               0  pthread_t t497;
[L839]  FCALL, FORK  0  pthread_create(&t497, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t497=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L745]               1  z$w_buff1 = z$w_buff0
[L746]               1  z$w_buff0 = 1
[L747]               1  z$w_buff1_used = z$w_buff0_used
[L748]               1  z$w_buff0_used = (_Bool)1
[L749]  CALL         1  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L18]   COND FALSE   1  !(!expression)
[L749]  RET          1  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L750]               1  z$r_buff1_thd0 = z$r_buff0_thd0
[L751]               1  z$r_buff1_thd1 = z$r_buff0_thd1
[L752]               1  z$r_buff1_thd2 = z$r_buff0_thd2
[L753]               1  z$r_buff1_thd3 = z$r_buff0_thd3
[L754]               1  z$r_buff0_thd1 = (_Bool)1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L840]               0  pthread_t t498;
[L841]  FCALL, FORK  0  pthread_create(&t498, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t497=-2, t498=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L757]               1  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L774]               2  x = 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L777]               2  __unbuffered_p1_EAX = y
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L842]               0  pthread_t t499;
[L843]  FCALL, FORK  0  pthread_create(&t499, ((void *)0), P2, ((void *)0))
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t497=-2, t498=-1, t499=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L780]               2  z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z)
[L781]               2  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used
[L782]               2  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used
[L783]               2  z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2
[L784]               2  z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L794]               3  y = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L797]               3  __unbuffered_p2_EAX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L800]               3  weak$$choice0 = __VERIFIER_nondet_bool()
[L801]               3  weak$$choice2 = __VERIFIER_nondet_bool()
[L802]               3  z$flush_delayed = weak$$choice2
[L803]               3  z$mem_tmp = z
[L804]               3  z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)
[L805]               3  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L806]               3  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L807]               3  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used))
[L808]               3  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L809]               3  z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3))
[L810]               3  z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L811]               3  __unbuffered_p2_EBX = z
[L812]               3  z = z$flush_delayed ? z$mem_tmp : z
[L813]               3  z$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L760]               1  z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z)
[L761]               1  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used
[L762]               1  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used
[L763]               1  z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1
[L764]               1  z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L816]               3  z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z)
[L817]               3  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used
[L818]               3  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used
[L819]               3  z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3
[L820]               3  z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L823]               3  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L787]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L767]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L845]               0  main$tmp_guard0 = __unbuffered_cnt == 3
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t497=-2, t498=-1, t499=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L847]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L847]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L849]               0  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L850]               0  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L851]               0  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L852]               0  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L853]               0  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t497=-2, t498=-1, t499=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L856]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t497=-2, t498=-1, t499=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L858]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
[L18]   CALL         0  reach_error()
[L17]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L17]                0  __assert_fail ("0", "mix019_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]

  - 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: 836]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 841]: 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: 839]: 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: 843]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 70 locations, 7 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: 10.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 380 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 336 mSDsluCounter, 200 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 165 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1326 IncrementalHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 35 mSDtfsCounter, 1326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=5, InterpolantAutomatonStates: 46, 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: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 678 SizeOfPredicates, 22 NumberOfNonLiveVariables, 819 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 18:37:09,284 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49933cf1-b5d1-4802-84df-40a494531d3c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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