./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix041_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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 8a4342b982522a964cfb4ed0b81a3c247fa38eb769cbb37584570f60425c66cb
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:32:16,609 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:32:16,702 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-08 18:32:16,712 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:32:16,713 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:32:16,752 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:32:16,753 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:32:16,754 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:32:16,756 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:32:16,757 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:32:16,758 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:32:16,759 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:32:16,760 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:32:16,761 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:32:16,764 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:32:16,765 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:32:16,765 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:32:16,766 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:32:16,766 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:32:16,767 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:32:16,767 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 18:32:16,768 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-08 18:32:16,772 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-08 18:32:16,773 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:32:16,774 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-08 18:32:16,774 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:32:16,774 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-08 18:32:16,775 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:32:16,775 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:32:16,776 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:32:16,778 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:32:16,778 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:32:16,778 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:32:16,779 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:32:16,779 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:32:16,780 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:32:16,781 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:32:16,781 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:32:16,782 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:32:16,782 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:32:16,783 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:32:16,783 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:32:16,783 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_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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 -> 8a4342b982522a964cfb4ed0b81a3c247fa38eb769cbb37584570f60425c66cb
[2024-11-08 18:32:17,140 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:32:17,210 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:32:17,215 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:32:17,217 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:32:17,217 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:32:17,219 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i
Unable to find full path for "g++"
[2024-11-08 18:32:19,746 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:32:20,151 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:32:20,152 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-08 18:32:20,181 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/data/fa3bc612a/c1ebbb2271df4a2584f911edabae2318/FLAG187c360c6
[2024-11-08 18:32:20,202 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/data/fa3bc612a/c1ebbb2271df4a2584f911edabae2318
[2024-11-08 18:32:20,205 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:32:20,207 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:32:20,209 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:32:20,209 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:32:20,217 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:32:20,218 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:32:20" (1/1) ...
[2024-11-08 18:32:20,219 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b51f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:20, skipping insertion in model container
[2024-11-08 18:32:20,220 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:32:20" (1/1) ...
[2024-11-08 18:32:20,301 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:32:20,848 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:32:20,873 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:32:20,997 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:32:21,070 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:32:21,070 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21 WrapperNode
[2024-11-08 18:32:21,071 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:32:21,072 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:32:21,073 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:32:21,073 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:32:21,084 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,102 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,139 INFO  L138                Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 109
[2024-11-08 18:32:21,140 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:32:21,141 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:32:21,141 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:32:21,142 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:32:21,159 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,159 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,163 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,185 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 18:32:21,186 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,186 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,201 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,208 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,210 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,216 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,223 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:32:21,225 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:32:21,228 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:32:21,229 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:32:21,230 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (1/1) ...
[2024-11-08 18:32:21,245 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:32:21,274 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:21,302 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:32:21,307 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:32:21,354 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:32:21,354 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:32:21,355 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 18:32:21,355 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 18:32:21,355 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 18:32:21,355 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 18:32:21,356 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:32:21,356 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:32:21,356 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:32:21,356 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:32:21,360 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 18:32:21,545 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:32:21,548 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:32:21,950 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:32:21,950 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:32:22,397 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:32:22,398 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:32:22,399 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:32:22 BoogieIcfgContainer
[2024-11-08 18:32:22,399 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:32:22,403 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:32:22,403 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:32:22,409 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:32:22,410 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:32:20" (1/3) ...
[2024-11-08 18:32:22,411 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e150b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:32:22, skipping insertion in model container
[2024-11-08 18:32:22,412 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:21" (2/3) ...
[2024-11-08 18:32:22,413 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e150b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:32:22, skipping insertion in model container
[2024-11-08 18:32:22,427 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:32:22" (3/3) ...
[2024-11-08 18:32:22,429 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix041_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-08 18:32:22,468 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:32:22,468 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-11-08 18:32:22,469 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:32:22,551 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:32:22,603 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 82 flow
[2024-11-08 18:32:22,643 INFO  L124   PetriNetUnfolderBase]: 2/35 cut-off events.
[2024-11-08 18:32:22,644 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:32:22,647 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 42 conditions, 35 events. 2/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. 
[2024-11-08 18:32:22,648 INFO  L82        GeneralOperation]: Start removeDead. Operand has 42 places, 37 transitions, 82 flow
[2024-11-08 18:32:22,652 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 40 places, 35 transitions, 76 flow
[2024-11-08 18:32:22,671 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:32:22,680 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;@32c284ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:32:22,680 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-11-08 18:32:22,685 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:32:22,686 INFO  L124   PetriNetUnfolderBase]: 0/5 cut-off events.
[2024-11-08 18:32:22,686 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:32:22,686 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:22,687 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-08 18:32:22,688 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:22,695 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:22,696 INFO  L85        PathProgramCache]: Analyzing trace with hash 10852339, now seen corresponding path program 1 times
[2024-11-08 18:32:22,710 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:22,711 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079619960]
[2024-11-08 18:32:22,711 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:22,714 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:22,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:23,399 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 18:32:23,400 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:32:23,400 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079619960]
[2024-11-08 18:32:23,402 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079619960] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:23,402 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:23,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:32:23,406 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090874989]
[2024-11-08 18:32:23,407 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:23,419 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:32:23,426 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:32:23,463 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:32:23,464 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:32:23,467 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 37
[2024-11-08 18:32:23,470 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 76 flow. Second operand  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:32:23,471 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:23,471 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 37
[2024-11-08 18:32:23,475 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:23,899 INFO  L124   PetriNetUnfolderBase]: 183/415 cut-off events.
[2024-11-08 18:32:23,899 INFO  L125   PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-08 18:32:23,905 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 749 conditions, 415 events. 183/415 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2225 event pairs, 21 based on Foata normal form. 32/439 useless extension candidates. Maximal degree in co-relation 739. Up to 265 conditions per place. 
[2024-11-08 18:32:23,911 INFO  L140   encePairwiseOnDemand]: 32/37 looper letters, 25 selfloop transitions, 2 changer transitions 2/43 dead transitions.
[2024-11-08 18:32:23,911 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 43 transitions, 153 flow
[2024-11-08 18:32:23,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:32:23,916 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:32:23,926 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions.
[2024-11-08 18:32:23,929 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7387387387387387
[2024-11-08 18:32:23,932 INFO  L175             Difference]: Start difference. First operand has 40 places, 35 transitions, 76 flow. Second operand 3 states and 82 transitions.
[2024-11-08 18:32:23,934 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 43 transitions, 153 flow
[2024-11-08 18:32:23,937 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 43 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:32:23,940 INFO  L231             Difference]: Finished difference. Result has 38 places, 30 transitions, 68 flow
[2024-11-08 18:32:23,943 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=38, PETRI_TRANSITIONS=30}
[2024-11-08 18:32:23,949 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places.
[2024-11-08 18:32:23,950 INFO  L471      AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 68 flow
[2024-11-08 18:32:23,951 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:32:23,952 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:23,952 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:32:23,953 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:32:23,953 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:23,954 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:23,955 INFO  L85        PathProgramCache]: Analyzing trace with hash 1742249253, now seen corresponding path program 1 times
[2024-11-08 18:32:23,955 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:23,956 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110879643]
[2024-11-08 18:32:23,956 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:23,957 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:24,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:24,098 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 18:32:24,098 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:32:24,099 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110879643]
[2024-11-08 18:32:24,100 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110879643] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:24,100 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:24,100 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:32:24,101 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526748471]
[2024-11-08 18:32:24,101 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:24,102 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:32:24,104 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:32:24,104 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:32:24,105 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:32:24,106 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 37
[2024-11-08 18:32:24,106 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 68 flow. Second operand  has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 18:32:24,106 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:24,106 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 37
[2024-11-08 18:32:24,107 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:24,308 INFO  L124   PetriNetUnfolderBase]: 159/379 cut-off events.
[2024-11-08 18:32:24,308 INFO  L125   PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-11-08 18:32:24,312 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 703 conditions, 379 events. 159/379 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2039 event pairs, 159 based on Foata normal form. 16/372 useless extension candidates. Maximal degree in co-relation 693. Up to 280 conditions per place. 
[2024-11-08 18:32:24,316 INFO  L140   encePairwiseOnDemand]: 35/37 looper letters, 14 selfloop transitions, 1 changer transitions 1/29 dead transitions.
[2024-11-08 18:32:24,316 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 98 flow
[2024-11-08 18:32:24,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:32:24,317 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:32:24,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions.
[2024-11-08 18:32:24,321 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5585585585585585
[2024-11-08 18:32:24,321 INFO  L175             Difference]: Start difference. First operand has 38 places, 30 transitions, 68 flow. Second operand 3 states and 62 transitions.
[2024-11-08 18:32:24,321 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 98 flow
[2024-11-08 18:32:24,322 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 29 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:32:24,324 INFO  L231             Difference]: Finished difference. Result has 36 places, 28 transitions, 62 flow
[2024-11-08 18:32:24,325 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=36, PETRI_TRANSITIONS=28}
[2024-11-08 18:32:24,326 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, -4 predicate places.
[2024-11-08 18:32:24,327 INFO  L471      AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 62 flow
[2024-11-08 18:32:24,328 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 18:32:24,328 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:24,328 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:32:24,328 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:32:24,329 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:24,331 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:24,331 INFO  L85        PathProgramCache]: Analyzing trace with hash 1742250718, now seen corresponding path program 1 times
[2024-11-08 18:32:24,331 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:24,333 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040476122]
[2024-11-08 18:32:24,334 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:24,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:24,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:24,748 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:32:24,749 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:32:24,751 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040476122]
[2024-11-08 18:32:24,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040476122] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:24,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:24,752 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:32:24,753 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322679726]
[2024-11-08 18:32:24,753 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:24,754 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:32:24,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:32:24,755 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:32:24,756 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:32:24,765 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37
[2024-11-08 18:32:24,766 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 62 flow. Second operand  has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:32:24,766 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:24,767 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37
[2024-11-08 18:32:24,767 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:25,254 INFO  L124   PetriNetUnfolderBase]: 284/568 cut-off events.
[2024-11-08 18:32:25,255 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:32:25,258 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1079 conditions, 568 events. 284/568 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3066 event pairs, 51 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 1073. Up to 281 conditions per place. 
[2024-11-08 18:32:25,262 INFO  L140   encePairwiseOnDemand]: 31/37 looper letters, 21 selfloop transitions, 2 changer transitions 32/65 dead transitions.
[2024-11-08 18:32:25,263 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 65 transitions, 246 flow
[2024-11-08 18:32:25,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:32:25,265 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-08 18:32:25,266 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 161 transitions.
[2024-11-08 18:32:25,268 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.543918918918919
[2024-11-08 18:32:25,268 INFO  L175             Difference]: Start difference. First operand has 36 places, 28 transitions, 62 flow. Second operand 8 states and 161 transitions.
[2024-11-08 18:32:25,269 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 65 transitions, 246 flow
[2024-11-08 18:32:25,270 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 65 transitions, 245 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 18:32:25,272 INFO  L231             Difference]: Finished difference. Result has 46 places, 27 transitions, 75 flow
[2024-11-08 18:32:25,273 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=75, PETRI_PLACES=46, PETRI_TRANSITIONS=27}
[2024-11-08 18:32:25,274 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, 6 predicate places.
[2024-11-08 18:32:25,275 INFO  L471      AbstractCegarLoop]: Abstraction has has 46 places, 27 transitions, 75 flow
[2024-11-08 18:32:25,275 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:32:25,276 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:25,277 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 18:32:25,277 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:32:25,277 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:25,278 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:25,278 INFO  L85        PathProgramCache]: Analyzing trace with hash -473348070, now seen corresponding path program 1 times
[2024-11-08 18:32:25,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:25,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30389710]
[2024-11-08 18:32:25,279 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:25,280 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:25,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:25,506 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 18:32:25,507 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:32:25,508 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30389710]
[2024-11-08 18:32:25,508 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30389710] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:25,508 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:25,509 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:32:25,509 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17379615]
[2024-11-08 18:32:25,509 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:25,510 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:32:25,511 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:32:25,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:32:25,514 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:32:25,520 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37
[2024-11-08 18:32:25,520 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 27 transitions, 75 flow. Second operand  has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 18:32:25,521 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:25,521 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37
[2024-11-08 18:32:25,522 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:25,762 INFO  L124   PetriNetUnfolderBase]: 198/426 cut-off events.
[2024-11-08 18:32:25,762 INFO  L125   PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES.
[2024-11-08 18:32:25,764 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 898 conditions, 426 events. 198/426 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1972 event pairs, 38 based on Foata normal form. 25/436 useless extension candidates. Maximal degree in co-relation 886. Up to 191 conditions per place. 
[2024-11-08 18:32:25,767 INFO  L140   encePairwiseOnDemand]: 32/37 looper letters, 31 selfloop transitions, 4 changer transitions 1/45 dead transitions.
[2024-11-08 18:32:25,767 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 185 flow
[2024-11-08 18:32:25,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:32:25,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:32:25,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions.
[2024-11-08 18:32:25,771 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6081081081081081
[2024-11-08 18:32:25,771 INFO  L175             Difference]: Start difference. First operand has 46 places, 27 transitions, 75 flow. Second operand 4 states and 90 transitions.
[2024-11-08 18:32:25,771 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 185 flow
[2024-11-08 18:32:25,776 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 45 transitions, 173 flow, removed 4 selfloop flow, removed 6 redundant places.
[2024-11-08 18:32:25,780 INFO  L231             Difference]: Finished difference. Result has 39 places, 29 transitions, 89 flow
[2024-11-08 18:32:25,781 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=89, PETRI_PLACES=39, PETRI_TRANSITIONS=29}
[2024-11-08 18:32:25,782 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, -1 predicate places.
[2024-11-08 18:32:25,784 INFO  L471      AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 89 flow
[2024-11-08 18:32:25,784 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 18:32:25,784 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:25,785 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 18:32:25,785 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:32:25,785 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:25,787 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:25,788 INFO  L85        PathProgramCache]: Analyzing trace with hash -311855967, now seen corresponding path program 1 times
[2024-11-08 18:32:25,790 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:25,791 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074279937]
[2024-11-08 18:32:25,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:25,791 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:25,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:26,283 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 18:32:26,284 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:32:26,284 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074279937]
[2024-11-08 18:32:26,284 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074279937] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:26,284 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:26,285 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:32:26,285 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583725554]
[2024-11-08 18:32:26,285 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:26,286 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:32:26,287 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:32:26,288 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:32:26,288 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:32:26,304 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37
[2024-11-08 18:32:26,305 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 89 flow. Second operand  has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:32:26,305 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:26,305 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37
[2024-11-08 18:32:26,305 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:26,500 INFO  L124   PetriNetUnfolderBase]: 102/225 cut-off events.
[2024-11-08 18:32:26,500 INFO  L125   PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES.
[2024-11-08 18:32:26,501 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 531 conditions, 225 events. 102/225 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 749 event pairs, 26 based on Foata normal form. 16/231 useless extension candidates. Maximal degree in co-relation 521. Up to 86 conditions per place. 
[2024-11-08 18:32:26,503 INFO  L140   encePairwiseOnDemand]: 32/37 looper letters, 26 selfloop transitions, 6 changer transitions 1/42 dead transitions.
[2024-11-08 18:32:26,503 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 42 transitions, 186 flow
[2024-11-08 18:32:26,503 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:32:26,504 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:32:26,505 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions.
[2024-11-08 18:32:26,506 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5405405405405406
[2024-11-08 18:32:26,506 INFO  L175             Difference]: Start difference. First operand has 39 places, 29 transitions, 89 flow. Second operand 5 states and 100 transitions.
[2024-11-08 18:32:26,506 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 42 transitions, 186 flow
[2024-11-08 18:32:26,509 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 173 flow, removed 2 selfloop flow, removed 3 redundant places.
[2024-11-08 18:32:26,510 INFO  L231             Difference]: Finished difference. Result has 42 places, 29 transitions, 101 flow
[2024-11-08 18:32:26,511 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=101, PETRI_PLACES=42, PETRI_TRANSITIONS=29}
[2024-11-08 18:32:26,512 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, 2 predicate places.
[2024-11-08 18:32:26,515 INFO  L471      AbstractCegarLoop]: Abstraction has has 42 places, 29 transitions, 101 flow
[2024-11-08 18:32:26,515 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:32:26,515 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:26,516 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 18:32:26,516 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:32:26,516 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:26,517 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:26,517 INFO  L85        PathProgramCache]: Analyzing trace with hash 1875798284, now seen corresponding path program 1 times
[2024-11-08 18:32:26,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:26,517 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282051917]
[2024-11-08 18:32:26,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:26,518 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:26,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:27,828 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 18:32:27,828 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:32:27,829 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282051917]
[2024-11-08 18:32:27,829 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282051917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:27,829 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:27,830 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-08 18:32:27,830 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298390817]
[2024-11-08 18:32:27,830 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:27,831 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 18:32:27,831 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:32:27,832 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 18:32:27,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-08 18:32:27,836 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 37
[2024-11-08 18:32:27,837 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 29 transitions, 101 flow. Second operand  has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 18:32:27,837 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:27,837 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 37
[2024-11-08 18:32:27,837 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:28,264 INFO  L124   PetriNetUnfolderBase]: 116/288 cut-off events.
[2024-11-08 18:32:28,265 INFO  L125   PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES.
[2024-11-08 18:32:28,266 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 679 conditions, 288 events. 116/288 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1191 event pairs, 31 based on Foata normal form. 4/280 useless extension candidates. Maximal degree in co-relation 668. Up to 103 conditions per place. 
[2024-11-08 18:32:28,267 INFO  L140   encePairwiseOnDemand]: 29/37 looper letters, 23 selfloop transitions, 6 changer transitions 17/59 dead transitions.
[2024-11-08 18:32:28,267 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 59 transitions, 269 flow
[2024-11-08 18:32:28,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-08 18:32:28,268 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-11-08 18:32:28,269 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 159 transitions.
[2024-11-08 18:32:28,269 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5371621621621622
[2024-11-08 18:32:28,269 INFO  L175             Difference]: Start difference. First operand has 42 places, 29 transitions, 101 flow. Second operand 8 states and 159 transitions.
[2024-11-08 18:32:28,270 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 59 transitions, 269 flow
[2024-11-08 18:32:28,271 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 59 transitions, 229 flow, removed 11 selfloop flow, removed 6 redundant places.
[2024-11-08 18:32:28,273 INFO  L231             Difference]: Finished difference. Result has 48 places, 34 transitions, 118 flow
[2024-11-08 18:32:28,273 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=118, PETRI_PLACES=48, PETRI_TRANSITIONS=34}
[2024-11-08 18:32:28,274 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, 8 predicate places.
[2024-11-08 18:32:28,274 INFO  L471      AbstractCegarLoop]: Abstraction has has 48 places, 34 transitions, 118 flow
[2024-11-08 18:32:28,274 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 18:32:28,275 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:28,275 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 18:32:28,275 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 18:32:28,275 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:28,276 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:28,276 INFO  L85        PathProgramCache]: Analyzing trace with hash -73270978, now seen corresponding path program 2 times
[2024-11-08 18:32:28,276 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:28,277 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048412304]
[2024-11-08 18:32:28,277 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:28,277 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:28,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:28,641 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 18:32:28,642 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:32:28,642 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048412304]
[2024-11-08 18:32:28,642 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048412304] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:28,643 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:28,643 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:32:28,643 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913408032]
[2024-11-08 18:32:28,644 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:28,644 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:32:28,644 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:32:28,645 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:32:28,645 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:32:28,651 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 11 out of 37
[2024-11-08 18:32:28,651 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 34 transitions, 118 flow. Second operand  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 18:32:28,652 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:28,652 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 37
[2024-11-08 18:32:28,652 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:28,920 INFO  L124   PetriNetUnfolderBase]: 179/406 cut-off events.
[2024-11-08 18:32:28,920 INFO  L125   PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES.
[2024-11-08 18:32:28,923 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 956 conditions, 406 events. 179/406 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1810 event pairs, 84 based on Foata normal form. 4/395 useless extension candidates. Maximal degree in co-relation 944. Up to 163 conditions per place. 
[2024-11-08 18:32:28,925 INFO  L140   encePairwiseOnDemand]: 29/37 looper letters, 19 selfloop transitions, 5 changer transitions 19/53 dead transitions.
[2024-11-08 18:32:28,925 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 53 transitions, 265 flow
[2024-11-08 18:32:28,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:32:28,926 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:32:28,926 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 92 transitions.
[2024-11-08 18:32:28,927 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.4972972972972973
[2024-11-08 18:32:28,927 INFO  L175             Difference]: Start difference. First operand has 48 places, 34 transitions, 118 flow. Second operand 5 states and 92 transitions.
[2024-11-08 18:32:28,927 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 53 transitions, 265 flow
[2024-11-08 18:32:28,929 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 53 transitions, 255 flow, removed 5 selfloop flow, removed 3 redundant places.
[2024-11-08 18:32:28,930 INFO  L231             Difference]: Finished difference. Result has 49 places, 32 transitions, 126 flow
[2024-11-08 18:32:28,931 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=126, PETRI_PLACES=49, PETRI_TRANSITIONS=32}
[2024-11-08 18:32:28,931 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, 9 predicate places.
[2024-11-08 18:32:28,932 INFO  L471      AbstractCegarLoop]: Abstraction has has 49 places, 32 transitions, 126 flow
[2024-11-08 18:32:28,932 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 18:32:28,932 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:28,932 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 18:32:28,933 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 18:32:28,933 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:28,933 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:28,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 1872615202, now seen corresponding path program 3 times
[2024-11-08 18:32:28,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:32:28,934 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74908032]
[2024-11-08 18:32:28,934 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:28,935 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:32:29,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:32:29,055 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:32:29,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:32:29,191 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:32:29,191 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:32:29,192 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining)
[2024-11-08 18:32:29,195 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining)
[2024-11-08 18:32:29,195 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining)
[2024-11-08 18:32:29,196 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2024-11-08 18:32:29,196 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining)
[2024-11-08 18:32:29,197 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining)
[2024-11-08 18:32:29,197 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 18:32:29,197 INFO  L407         BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1]
[2024-11-08 18:32:29,269 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 18:32:29,269 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:32:29,276 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:32:29 BasicIcfg
[2024-11-08 18:32:29,276 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:32:29,277 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:32:29,277 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:32:29,277 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:32:29,278 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:32:22" (3/4) ...
[2024-11-08 18:32:29,282 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-08 18:32:29,283 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:32:29,284 INFO  L158              Benchmark]: Toolchain (without parser) took 9077.17ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 150.5MB in the beginning and 165.8MB in the end (delta: -15.3MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB.
[2024-11-08 18:32:29,285 INFO  L158              Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:32:29,285 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 862.65ms. Allocated memory is still 184.5MB. Free memory was 149.7MB in the beginning and 124.2MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-08 18:32:29,286 INFO  L158              Benchmark]: Boogie Procedure Inliner took 68.10ms. Allocated memory is still 184.5MB. Free memory was 124.2MB in the beginning and 122.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:32:29,286 INFO  L158              Benchmark]: Boogie Preprocessor took 82.64ms. Allocated memory is still 184.5MB. Free memory was 122.1MB in the beginning and 118.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:32:29,287 INFO  L158              Benchmark]: RCFGBuilder took 1174.76ms. Allocated memory is still 184.5MB. Free memory was 118.3MB in the beginning and 144.3MB in the end (delta: -25.9MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB.
[2024-11-08 18:32:29,287 INFO  L158              Benchmark]: TraceAbstraction took 6873.33ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 143.2MB in the beginning and 166.8MB in the end (delta: -23.6MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB.
[2024-11-08 18:32:29,292 INFO  L158              Benchmark]: Witness Printer took 6.14ms. Allocated memory is still 243.3MB. Free memory was 166.8MB in the beginning and 165.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:32:29,295 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 862.65ms. Allocated memory is still 184.5MB. Free memory was 149.7MB in the beginning and 124.2MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 68.10ms. Allocated memory is still 184.5MB. Free memory was 124.2MB in the beginning and 122.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 82.64ms. Allocated memory is still 184.5MB. Free memory was 122.1MB in the beginning and 118.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1174.76ms. Allocated memory is still 184.5MB. Free memory was 118.3MB in the beginning and 144.3MB in the end (delta: -25.9MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 6873.33ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 143.2MB in the beginning and 166.8MB in the end (delta: -23.6MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB.
 * Witness Printer took 6.14ms. Allocated memory is still 243.3MB. Free memory was 166.8MB in the beginning and 165.8MB in the end (delta: 1.0MB). 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: 
[L708]               0  int __unbuffered_cnt = 0;
[L710]               0  int __unbuffered_p1_EAX = 0;
[L712]               0  int __unbuffered_p1_EBX = 0;
[L713]               0  _Bool main$tmp_guard0;
[L714]               0  _Bool main$tmp_guard1;
[L716]               0  int x = 0;
[L718]               0  int y = 0;
[L720]               0  int z = 0;
[L721]               0  _Bool z$flush_delayed;
[L722]               0  int z$mem_tmp;
[L723]               0  _Bool z$r_buff0_thd0;
[L724]               0  _Bool z$r_buff0_thd1;
[L725]               0  _Bool z$r_buff0_thd2;
[L726]               0  _Bool z$r_buff1_thd0;
[L727]               0  _Bool z$r_buff1_thd1;
[L728]               0  _Bool z$r_buff1_thd2;
[L729]               0  _Bool z$read_delayed;
[L730]               0  int *z$read_delayed_var;
[L731]               0  int z$w_buff0;
[L732]               0  _Bool z$w_buff0_used;
[L733]               0  int z$w_buff1;
[L734]               0  _Bool z$w_buff1_used;
[L735]               0  _Bool weak$$choice0;
[L736]               0  _Bool weak$$choice2;
[L815]               0  pthread_t t1089;
[L816]  FCALL, FORK  0  pthread_create(&t1089, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1089=-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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L740]               1  z$w_buff1 = z$w_buff0
[L741]               1  z$w_buff0 = 1
[L742]               1  z$w_buff1_used = z$w_buff0_used
[L743]               1  z$w_buff0_used = (_Bool)1
[L744]  CALL         1  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L18]   COND FALSE   1  !(!expression)
[L744]  RET          1  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L745]               1  z$r_buff1_thd0 = z$r_buff0_thd0
[L746]               1  z$r_buff1_thd1 = z$r_buff0_thd1
[L747]               1  z$r_buff1_thd2 = z$r_buff0_thd2
[L748]               1  z$r_buff0_thd1 = (_Bool)1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L817]               0  pthread_t t1090;
[L818]  FCALL, FORK  0  pthread_create(&t1090, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1089=-2, t1090=-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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L751]               1  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L768]               2  x = 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L771]               2  y = 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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  __unbuffered_p1_EAX = y
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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  weak$$choice0 = __VERIFIER_nondet_bool()
[L778]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L779]               2  z$flush_delayed = weak$$choice2
[L780]               2  z$mem_tmp = z
[L781]               2  z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1)
[L782]               2  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0))
[L783]               2  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1))
[L784]               2  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used))
[L785]               2  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L786]               2  z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2))
[L787]               2  z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L788]               2  __unbuffered_p1_EBX = z
[L789]               2  z = z$flush_delayed ? z$mem_tmp : z
[L790]               2  z$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L793]               2  z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z)
[L794]               2  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used
[L795]               2  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used
[L796]               2  z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2
[L797]               2  z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L754]               1  z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z)
[L755]               1  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used
[L756]               1  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used
[L757]               1  z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1
[L758]               1  z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L761]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L800]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L820]               0  main$tmp_guard0 = __unbuffered_cnt == 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1089=-2, t1090=-1, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L822]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L822]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L824]               0  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L825]               0  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L826]               0  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L827]               0  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L828]               0  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1089=-2, t1090=-1, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L831]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0)
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1089=-2, t1090=-1, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L833]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
[L18]   CALL         0  reach_error()
[L17]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L17]                0  __assert_fail ("0", "mix041_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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: 813]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 818]: 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: 816]: 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 5 procedures, 55 locations, 6 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: 6.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 540 IncrementalHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 3 mSDtfsCounter, 540 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=7, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 463 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 18:32:29,345 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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 8a4342b982522a964cfb4ed0b81a3c247fa38eb769cbb37584570f60425c66cb
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:32:32,333 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:32:32,427 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-08 18:32:32,432 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:32:32,433 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:32:32,478 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:32:32,478 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:32:32,479 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:32:32,482 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:32:32,483 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:32:32,484 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:32:32,485 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:32:32,486 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:32:32,486 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:32:32,489 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:32:32,489 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:32:32,490 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:32:32,490 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:32:32,490 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:32:32,491 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:32:32,491 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 18:32:32,495 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-08 18:32:32,495 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-08 18:32:32,496 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:32:32,496 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-08 18:32:32,496 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-08 18:32:32,496 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:32:32,497 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 18:32:32,497 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-08 18:32:32,497 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:32:32,498 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:32:32,498 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:32:32,498 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:32:32,501 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:32:32,502 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:32:32,502 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:32:32,503 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:32:32,504 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:32:32,504 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-08 18:32:32,504 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 18:32:32,504 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:32:32,505 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:32:32,516 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:32:32,517 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:32:32,517 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_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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 -> 8a4342b982522a964cfb4ed0b81a3c247fa38eb769cbb37584570f60425c66cb
[2024-11-08 18:32:32,976 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:32:33,011 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:32:33,016 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:32:33,017 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:32:33,018 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:32:33,020 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i
Unable to find full path for "g++"
[2024-11-08 18:32:35,232 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:32:35,638 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:32:35,639 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/sv-benchmarks/c/pthread-wmm/mix041_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-08 18:32:35,656 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/data/9341bed58/1382692230354353bce94595e4168378/FLAG9b0fe4be9
[2024-11-08 18:32:35,681 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/data/9341bed58/1382692230354353bce94595e4168378
[2024-11-08 18:32:35,686 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:32:35,688 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:32:35,691 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:32:35,693 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:32:35,700 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:32:35,701 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:32:35" (1/1) ...
[2024-11-08 18:32:35,703 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad906c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:35, skipping insertion in model container
[2024-11-08 18:32:35,703 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:32:35" (1/1) ...
[2024-11-08 18:32:35,785 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:32:36,474 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:32:36,517 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:32:36,589 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:32:36,651 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:32:36,652 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36 WrapperNode
[2024-11-08 18:32:36,652 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:32:36,654 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:32:36,654 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:32:36,654 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:32:36,665 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,691 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,738 INFO  L138                Inliner]: procedures = 175, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 110
[2024-11-08 18:32:36,738 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:32:36,739 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:32:36,742 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:32:36,743 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:32:36,760 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,760 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,769 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,809 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 18:32:36,812 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,812 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,829 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,836 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,842 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,844 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,855 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:32:36,860 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:32:36,860 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:32:36,861 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:32:36,862 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (1/1) ...
[2024-11-08 18:32:36,869 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:32:36,885 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:36,901 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:32:36,913 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:32:36,952 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 18:32:36,953 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:32:36,953 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 18:32:36,953 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 18:32:36,953 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 18:32:36,954 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 18:32:36,954 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 18:32:36,954 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 18:32:36,954 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:32:36,954 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:32:36,958 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 18:32:37,176 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:32:37,179 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:32:37,662 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:32:37,662 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:32:38,013 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:32:38,015 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:32:38,016 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:32:38 BoogieIcfgContainer
[2024-11-08 18:32:38,016 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:32:38,018 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:32:38,020 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:32:38,024 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:32:38,024 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:32:35" (1/3) ...
[2024-11-08 18:32:38,026 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bb50dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:32:38, skipping insertion in model container
[2024-11-08 18:32:38,026 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:32:36" (2/3) ...
[2024-11-08 18:32:38,027 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bb50dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:32:38, skipping insertion in model container
[2024-11-08 18:32:38,027 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:32:38" (3/3) ...
[2024-11-08 18:32:38,029 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix041_power.oepc_pso.oepc_rmo.oepc.i
[2024-11-08 18:32:38,053 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:32:38,054 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-11-08 18:32:38,054 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:32:38,138 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 18:32:38,184 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 82 flow
[2024-11-08 18:32:38,233 INFO  L124   PetriNetUnfolderBase]: 2/35 cut-off events.
[2024-11-08 18:32:38,235 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:32:38,240 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 42 conditions, 35 events. 2/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. 
[2024-11-08 18:32:38,240 INFO  L82        GeneralOperation]: Start removeDead. Operand has 42 places, 37 transitions, 82 flow
[2024-11-08 18:32:38,246 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 40 places, 35 transitions, 76 flow
[2024-11-08 18:32:38,263 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:32:38,273 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;@17427f42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:32:38,274 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-11-08 18:32:38,280 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:32:38,281 INFO  L124   PetriNetUnfolderBase]: 0/5 cut-off events.
[2024-11-08 18:32:38,281 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:32:38,283 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:38,284 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-11-08 18:32:38,285 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:38,291 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:38,292 INFO  L85        PathProgramCache]: Analyzing trace with hash 10913907, now seen corresponding path program 1 times
[2024-11-08 18:32:38,309 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:32:38,310 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34022917]
[2024-11-08 18:32:38,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:38,311 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:38,311 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:38,313 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:32:38,316 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 18:32:38,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:38,463 INFO  L255         TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:32:38,469 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:32:38,516 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 18:32:38,517 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:32:38,519 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:32:38,519 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34022917]
[2024-11-08 18:32:38,520 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [34022917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:38,520 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:38,521 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:32:38,523 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868704139]
[2024-11-08 18:32:38,524 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:38,534 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:32:38,542 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:32:38,594 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:32:38,595 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:32:38,596 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 16 out of 37
[2024-11-08 18:32:38,599 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 76 flow. Second operand  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:32:38,600 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:38,600 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 37
[2024-11-08 18:32:38,601 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:38,872 INFO  L124   PetriNetUnfolderBase]: 183/415 cut-off events.
[2024-11-08 18:32:38,873 INFO  L125   PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-08 18:32:38,876 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 749 conditions, 415 events. 183/415 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2225 event pairs, 21 based on Foata normal form. 32/439 useless extension candidates. Maximal degree in co-relation 739. Up to 265 conditions per place. 
[2024-11-08 18:32:38,880 INFO  L140   encePairwiseOnDemand]: 32/37 looper letters, 25 selfloop transitions, 2 changer transitions 2/43 dead transitions.
[2024-11-08 18:32:38,880 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 43 transitions, 153 flow
[2024-11-08 18:32:38,882 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:32:38,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:32:38,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions.
[2024-11-08 18:32:38,895 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.7387387387387387
[2024-11-08 18:32:38,898 INFO  L175             Difference]: Start difference. First operand has 40 places, 35 transitions, 76 flow. Second operand 3 states and 82 transitions.
[2024-11-08 18:32:38,899 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 43 transitions, 153 flow
[2024-11-08 18:32:38,902 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 43 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:32:38,905 INFO  L231             Difference]: Finished difference. Result has 38 places, 30 transitions, 68 flow
[2024-11-08 18:32:38,907 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=38, PETRI_TRANSITIONS=30}
[2024-11-08 18:32:38,911 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places.
[2024-11-08 18:32:38,912 INFO  L471      AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 68 flow
[2024-11-08 18:32:38,912 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:32:38,913 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:38,913 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:32:38,939 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 18:32:39,113 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:39,114 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:39,116 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:39,118 INFO  L85        PathProgramCache]: Analyzing trace with hash -868435033, now seen corresponding path program 1 times
[2024-11-08 18:32:39,118 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:32:39,119 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188126994]
[2024-11-08 18:32:39,119 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:39,120 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:39,120 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:39,122 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:32:39,125 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 18:32:39,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,267 INFO  L255         TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 18:32:39,268 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:32:39,330 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 18:32:39,331 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:32:39,332 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:32:39,332 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188126994]
[2024-11-08 18:32:39,332 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [188126994] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:39,333 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:39,333 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:32:39,333 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906355407]
[2024-11-08 18:32:39,334 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:39,335 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:32:39,337 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:32:39,338 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:32:39,338 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:32:39,343 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 37
[2024-11-08 18:32:39,343 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 68 flow. Second operand  has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 18:32:39,343 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:39,344 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 37
[2024-11-08 18:32:39,344 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:39,550 INFO  L124   PetriNetUnfolderBase]: 159/379 cut-off events.
[2024-11-08 18:32:39,550 INFO  L125   PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-11-08 18:32:39,556 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 703 conditions, 379 events. 159/379 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2054 event pairs, 159 based on Foata normal form. 16/372 useless extension candidates. Maximal degree in co-relation 693. Up to 280 conditions per place. 
[2024-11-08 18:32:39,558 INFO  L140   encePairwiseOnDemand]: 35/37 looper letters, 14 selfloop transitions, 1 changer transitions 1/29 dead transitions.
[2024-11-08 18:32:39,560 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 98 flow
[2024-11-08 18:32:39,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:32:39,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:32:39,562 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions.
[2024-11-08 18:32:39,563 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5585585585585585
[2024-11-08 18:32:39,563 INFO  L175             Difference]: Start difference. First operand has 38 places, 30 transitions, 68 flow. Second operand 3 states and 62 transitions.
[2024-11-08 18:32:39,564 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 98 flow
[2024-11-08 18:32:39,564 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 29 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 18:32:39,565 INFO  L231             Difference]: Finished difference. Result has 36 places, 28 transitions, 62 flow
[2024-11-08 18:32:39,565 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=36, PETRI_TRANSITIONS=28}
[2024-11-08 18:32:39,566 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, -4 predicate places.
[2024-11-08 18:32:39,567 INFO  L471      AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 62 flow
[2024-11-08 18:32:39,568 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 18:32:39,568 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:39,569 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:32:39,593 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-08 18:32:39,771 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:39,771 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:39,772 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:39,772 INFO  L85        PathProgramCache]: Analyzing trace with hash -868433568, now seen corresponding path program 1 times
[2024-11-08 18:32:39,773 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:32:39,773 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2109604570]
[2024-11-08 18:32:39,773 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:39,773 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:39,774 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:39,776 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:32:39,778 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 18:32:39,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:39,897 INFO  L255         TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 18:32:39,899 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:32:39,948 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 18:32:39,948 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:32:39,948 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:32:39,949 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109604570]
[2024-11-08 18:32:39,949 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109604570] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:39,949 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:39,950 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:32:39,950 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194894216]
[2024-11-08 18:32:39,950 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:39,951 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:32:39,951 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:32:39,951 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:32:39,951 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:32:39,957 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37
[2024-11-08 18:32:39,958 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 62 flow. Second operand  has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 18:32:39,958 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:39,958 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37
[2024-11-08 18:32:39,958 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:40,205 INFO  L124   PetriNetUnfolderBase]: 198/442 cut-off events.
[2024-11-08 18:32:40,206 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:32:40,207 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 822 conditions, 442 events. 198/442 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2172 event pairs, 38 based on Foata normal form. 25/452 useless extension candidates. Maximal degree in co-relation 816. Up to 191 conditions per place. 
[2024-11-08 18:32:40,209 INFO  L140   encePairwiseOnDemand]: 32/37 looper letters, 31 selfloop transitions, 4 changer transitions 1/46 dead transitions.
[2024-11-08 18:32:40,210 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 46 transitions, 172 flow
[2024-11-08 18:32:40,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:32:40,211 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 18:32:40,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions.
[2024-11-08 18:32:40,212 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.6081081081081081
[2024-11-08 18:32:40,212 INFO  L175             Difference]: Start difference. First operand has 36 places, 28 transitions, 62 flow. Second operand 4 states and 90 transitions.
[2024-11-08 18:32:40,213 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 46 transitions, 172 flow
[2024-11-08 18:32:40,213 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 46 transitions, 171 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 18:32:40,215 INFO  L231             Difference]: Finished difference. Result has 39 places, 30 transitions, 87 flow
[2024-11-08 18:32:40,216 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=87, PETRI_PLACES=39, PETRI_TRANSITIONS=30}
[2024-11-08 18:32:40,216 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, -1 predicate places.
[2024-11-08 18:32:40,217 INFO  L471      AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 87 flow
[2024-11-08 18:32:40,217 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 18:32:40,217 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:40,218 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 18:32:40,245 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-08 18:32:40,418 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:40,419 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:40,420 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:40,421 INFO  L85        PathProgramCache]: Analyzing trace with hash 1740384581, now seen corresponding path program 1 times
[2024-11-08 18:32:40,421 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:32:40,422 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435002746]
[2024-11-08 18:32:40,423 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:40,423 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:40,424 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:40,426 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:32:40,428 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 18:32:40,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:40,556 INFO  L255         TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 18:32:40,558 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:32:40,625 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 18:32:40,625 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:32:40,626 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:32:40,626 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435002746]
[2024-11-08 18:32:40,627 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [435002746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:40,628 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:40,628 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:32:40,628 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350433879]
[2024-11-08 18:32:40,628 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:40,629 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:32:40,629 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:32:40,630 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:32:40,630 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:32:40,646 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37
[2024-11-08 18:32:40,647 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 87 flow. Second operand  has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:32:40,648 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:40,648 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37
[2024-11-08 18:32:40,649 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:40,876 INFO  L124   PetriNetUnfolderBase]: 102/229 cut-off events.
[2024-11-08 18:32:40,877 INFO  L125   PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES.
[2024-11-08 18:32:40,878 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 527 conditions, 229 events. 102/229 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 780 event pairs, 26 based on Foata normal form. 16/235 useless extension candidates. Maximal degree in co-relation 518. Up to 86 conditions per place. 
[2024-11-08 18:32:40,879 INFO  L140   encePairwiseOnDemand]: 32/37 looper letters, 26 selfloop transitions, 6 changer transitions 1/43 dead transitions.
[2024-11-08 18:32:40,881 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 43 transitions, 184 flow
[2024-11-08 18:32:40,882 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:32:40,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 18:32:40,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions.
[2024-11-08 18:32:40,883 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5405405405405406
[2024-11-08 18:32:40,883 INFO  L175             Difference]: Start difference. First operand has 39 places, 30 transitions, 87 flow. Second operand 5 states and 100 transitions.
[2024-11-08 18:32:40,884 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 43 transitions, 184 flow
[2024-11-08 18:32:40,895 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 43 transitions, 175 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-11-08 18:32:40,897 INFO  L231             Difference]: Finished difference. Result has 43 places, 30 transitions, 103 flow
[2024-11-08 18:32:40,897 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=103, PETRI_PLACES=43, PETRI_TRANSITIONS=30}
[2024-11-08 18:32:40,898 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, 3 predicate places.
[2024-11-08 18:32:40,898 INFO  L471      AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 103 flow
[2024-11-08 18:32:40,899 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:32:40,899 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:40,899 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 18:32:40,925 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 18:32:41,100 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:41,100 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:41,101 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:41,101 INFO  L85        PathProgramCache]: Analyzing trace with hash 1591535118, now seen corresponding path program 1 times
[2024-11-08 18:32:41,102 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:32:41,102 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [908088854]
[2024-11-08 18:32:41,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:32:41,102 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:41,103 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:41,104 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:32:41,106 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 18:32:41,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:32:41,245 INFO  L255         TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-08 18:32:41,249 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:32:41,745 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 18:32:41,749 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:32:41,750 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:32:41,750 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908088854]
[2024-11-08 18:32:41,750 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [908088854] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:41,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:41,751 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-08 18:32:41,751 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014456433]
[2024-11-08 18:32:41,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:41,752 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 18:32:41,752 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:32:41,753 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 18:32:41,753 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-08 18:32:41,786 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 14 out of 37
[2024-11-08 18:32:41,787 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 30 transitions, 103 flow. Second operand  has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 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 18:32:41,788 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:41,788 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 37
[2024-11-08 18:32:41,789 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:42,251 INFO  L124   PetriNetUnfolderBase]: 99/249 cut-off events.
[2024-11-08 18:32:42,252 INFO  L125   PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES.
[2024-11-08 18:32:42,253 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 574 conditions, 249 events. 99/249 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 912 event pairs, 19 based on Foata normal form. 4/247 useless extension candidates. Maximal degree in co-relation 563. Up to 59 conditions per place. 
[2024-11-08 18:32:42,255 INFO  L140   encePairwiseOnDemand]: 28/37 looper letters, 23 selfloop transitions, 4 changer transitions 20/60 dead transitions.
[2024-11-08 18:32:42,255 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 60 transitions, 271 flow
[2024-11-08 18:32:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-08 18:32:42,256 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-11-08 18:32:42,257 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 188 transitions.
[2024-11-08 18:32:42,258 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.5081081081081081
[2024-11-08 18:32:42,258 INFO  L175             Difference]: Start difference. First operand has 43 places, 30 transitions, 103 flow. Second operand 10 states and 188 transitions.
[2024-11-08 18:32:42,258 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 60 transitions, 271 flow
[2024-11-08 18:32:42,260 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 60 transitions, 234 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-11-08 18:32:42,262 INFO  L231             Difference]: Finished difference. Result has 51 places, 30 transitions, 95 flow
[2024-11-08 18:32:42,262 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=95, PETRI_PLACES=51, PETRI_TRANSITIONS=30}
[2024-11-08 18:32:42,263 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, 11 predicate places.
[2024-11-08 18:32:42,263 INFO  L471      AbstractCegarLoop]: Abstraction has has 51 places, 30 transitions, 95 flow
[2024-11-08 18:32:42,264 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 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 18:32:42,264 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:42,264 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 18:32:42,293 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 18:32:42,465 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:42,466 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:42,466 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:42,467 INFO  L85        PathProgramCache]: Analyzing trace with hash -357534144, now seen corresponding path program 2 times
[2024-11-08 18:32:42,467 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:32:42,468 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662713229]
[2024-11-08 18:32:42,468 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 18:32:42,468 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:42,468 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:42,470 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:32:42,471 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 18:32:42,597 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-08 18:32:42,597 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 18:32:42,599 INFO  L255         TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 18:32:42,602 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:32:42,810 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 18:32:42,811 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:32:42,811 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:32:42,811 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662713229]
[2024-11-08 18:32:42,812 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [662713229] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:32:42,812 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:32:42,814 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 18:32:42,814 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349568630]
[2024-11-08 18:32:42,814 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:32:42,815 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 18:32:42,815 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:32:42,816 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 18:32:42,816 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-08 18:32:42,885 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37
[2024-11-08 18:32:42,886 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 30 transitions, 95 flow. Second operand  has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 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 18:32:42,886 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:32:42,886 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37
[2024-11-08 18:32:42,886 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:32:43,416 INFO  L124   PetriNetUnfolderBase]: 201/449 cut-off events.
[2024-11-08 18:32:43,417 INFO  L125   PetriNetUnfolderBase]: For 114/115 co-relation queries the response was YES.
[2024-11-08 18:32:43,418 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 449 events. 201/449 cut-off events. For 114/115 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1834 event pairs, 57 based on Foata normal form. 8/451 useless extension candidates. Maximal degree in co-relation 1029. Up to 127 conditions per place. 
[2024-11-08 18:32:43,420 INFO  L140   encePairwiseOnDemand]: 28/37 looper letters, 24 selfloop transitions, 5 changer transitions 46/82 dead transitions.
[2024-11-08 18:32:43,420 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 82 transitions, 399 flow
[2024-11-08 18:32:43,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-08 18:32:43,421 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2024-11-08 18:32:43,422 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 197 transitions.
[2024-11-08 18:32:43,422 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.4436936936936937
[2024-11-08 18:32:43,422 INFO  L175             Difference]: Start difference. First operand has 51 places, 30 transitions, 95 flow. Second operand 12 states and 197 transitions.
[2024-11-08 18:32:43,422 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 82 transitions, 399 flow
[2024-11-08 18:32:43,426 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 82 transitions, 357 flow, removed 10 selfloop flow, removed 8 redundant places.
[2024-11-08 18:32:43,427 INFO  L231             Difference]: Finished difference. Result has 57 places, 30 transitions, 107 flow
[2024-11-08 18:32:43,428 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=107, PETRI_PLACES=57, PETRI_TRANSITIONS=30}
[2024-11-08 18:32:43,428 INFO  L277   CegarLoopForPetriNet]: 40 programPoint places, 17 predicate places.
[2024-11-08 18:32:43,429 INFO  L471      AbstractCegarLoop]: Abstraction has has 57 places, 30 transitions, 107 flow
[2024-11-08 18:32:43,429 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 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 18:32:43,429 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:32:43,429 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 18:32:43,454 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-08 18:32:43,634 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:43,634 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-11-08 18:32:43,635 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:32:43,635 INFO  L85        PathProgramCache]: Analyzing trace with hash -935018700, now seen corresponding path program 3 times
[2024-11-08 18:32:43,636 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:32:43,636 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969239657]
[2024-11-08 18:32:43,636 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 18:32:43,636 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:43,636 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:32:43,638 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:32:43,641 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 18:32:43,746 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-08 18:32:43,746 INFO  L228   tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-08 18:32:43,747 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:32:43,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:32:43,834 INFO  L130   FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-08 18:32:43,834 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:32:43,835 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining)
[2024-11-08 18:32:43,838 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining)
[2024-11-08 18:32:43,838 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining)
[2024-11-08 18:32:43,839 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2024-11-08 18:32:43,839 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining)
[2024-11-08 18:32:43,839 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining)
[2024-11-08 18:32:43,863 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-08 18:32:44,040 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:32:44,040 INFO  L407         BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1]
[2024-11-08 18:32:44,117 INFO  L239   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 18:32:44,117 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:32:44,129 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:32:44 BasicIcfg
[2024-11-08 18:32:44,131 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:32:44,132 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:32:44,132 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:32:44,132 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:32:44,133 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:32:38" (3/4) ...
[2024-11-08 18:32:44,135 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-08 18:32:44,136 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:32:44,137 INFO  L158              Benchmark]: Toolchain (without parser) took 8449.80ms. Allocated memory was 81.8MB in the beginning and 157.3MB in the end (delta: 75.5MB). Free memory was 56.5MB in the beginning and 66.6MB in the end (delta: -10.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB.
[2024-11-08 18:32:44,138 INFO  L158              Benchmark]: CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:32:44,139 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 961.67ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 56.3MB in the beginning and 75.9MB in the end (delta: -19.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB.
[2024-11-08 18:32:44,139 INFO  L158              Benchmark]: Boogie Procedure Inliner took 84.87ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 73.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:32:44,143 INFO  L158              Benchmark]: Boogie Preprocessor took 116.16ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 70.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 18:32:44,144 INFO  L158              Benchmark]: RCFGBuilder took 1155.79ms. Allocated memory is still 107.0MB. Free memory was 70.1MB in the beginning and 71.4MB in the end (delta: -1.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB.
[2024-11-08 18:32:44,144 INFO  L158              Benchmark]: TraceAbstraction took 6113.29ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 70.7MB in the beginning and 66.6MB in the end (delta: 4.1MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB.
[2024-11-08 18:32:44,145 INFO  L158              Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 157.3MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:32:44,148 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 961.67ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 56.3MB in the beginning and 75.9MB in the end (delta: -19.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 84.87ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 73.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 116.16ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 70.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1155.79ms. Allocated memory is still 107.0MB. Free memory was 70.1MB in the beginning and 71.4MB in the end (delta: -1.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 6113.29ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 70.7MB in the beginning and 66.6MB in the end (delta: 4.1MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB.
 * Witness Printer took 4.76ms. Allocated memory is still 157.3MB. Free memory is still 66.6MB. 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: 
[L708]               0  int __unbuffered_cnt = 0;
[L710]               0  int __unbuffered_p1_EAX = 0;
[L712]               0  int __unbuffered_p1_EBX = 0;
[L713]               0  _Bool main$tmp_guard0;
[L714]               0  _Bool main$tmp_guard1;
[L716]               0  int x = 0;
[L718]               0  int y = 0;
[L720]               0  int z = 0;
[L721]               0  _Bool z$flush_delayed;
[L722]               0  int z$mem_tmp;
[L723]               0  _Bool z$r_buff0_thd0;
[L724]               0  _Bool z$r_buff0_thd1;
[L725]               0  _Bool z$r_buff0_thd2;
[L726]               0  _Bool z$r_buff1_thd0;
[L727]               0  _Bool z$r_buff1_thd1;
[L728]               0  _Bool z$r_buff1_thd2;
[L729]               0  _Bool z$read_delayed;
[L730]               0  int *z$read_delayed_var;
[L731]               0  int z$w_buff0;
[L732]               0  _Bool z$w_buff0_used;
[L733]               0  int z$w_buff1;
[L734]               0  _Bool z$w_buff1_used;
[L735]               0  _Bool weak$$choice0;
[L736]               0  _Bool weak$$choice2;
[L815]               0  pthread_t t1089;
[L816]  FCALL, FORK  0  pthread_create(&t1089, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1089=-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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L740]               1  z$w_buff1 = z$w_buff0
[L741]               1  z$w_buff0 = 1
[L742]               1  z$w_buff1_used = z$w_buff0_used
[L743]               1  z$w_buff0_used = (_Bool)1
[L744]  CALL         1  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L18]   COND FALSE   1  !(!expression)
[L744]  RET          1  __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L745]               1  z$r_buff1_thd0 = z$r_buff0_thd0
[L746]               1  z$r_buff1_thd1 = z$r_buff0_thd1
[L747]               1  z$r_buff1_thd2 = z$r_buff0_thd2
[L748]               1  z$r_buff0_thd1 = (_Bool)1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L817]               0  pthread_t t1090;
[L818]  FCALL, FORK  0  pthread_create(&t1090, ((void *)0), P1, ((void *)0))
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1089=-1, t1090=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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L751]               1  x = 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L768]               2  x = 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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]
[L771]               2  y = 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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  __unbuffered_p1_EAX = y
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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  weak$$choice0 = __VERIFIER_nondet_bool()
[L778]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L779]               2  z$flush_delayed = weak$$choice2
[L780]               2  z$mem_tmp = z
[L781]               2  z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1)
[L782]               2  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0))
[L783]               2  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1))
[L784]               2  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used))
[L785]               2  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L786]               2  z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2))
[L787]               2  z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L788]               2  __unbuffered_p1_EBX = z
[L789]               2  z = z$flush_delayed ? z$mem_tmp : z
[L790]               2  z$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L754]               1  z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z)
[L755]               1  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used
[L756]               1  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used
[L757]               1  z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1
[L758]               1  z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L793]               2  z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z)
[L794]               2  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used
[L795]               2  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used
[L796]               2  z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2
[L797]               2  z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L761]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L800]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L820]               0  main$tmp_guard0 = __unbuffered_cnt == 2
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1089=-1, t1090=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L822]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L3]    COND FALSE   0  !(!cond)
[L822]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L824]               0  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L825]               0  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L826]               0  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L827]               0  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L828]               0  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1089=-1, t1090=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L831]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0)
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1089=-1, t1090=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L833]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L18]   COND TRUE    0  !expression
[L18]   CALL         0  reach_error()
[L17]   COND FALSE   0  !(0)
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L17]                0  __assert_fail ("0", "mix041_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__)
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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: 813]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 818]: 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: 816]: 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 5 procedures, 55 locations, 6 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: 5.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 689 IncrementalHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 6 mSDtfsCounter, 689 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=6, InterpolantAutomatonStates: 37, 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 13 NumberOfNonLiveVariables, 493 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 18:32:44,204 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cc6fe3-2894-4bf4-badd-c84262161e3e/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