./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1 --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 4dcfd24df13a4fc35e028ca53c41591d13aa2fa957261180f0dd9c1764b57d13
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:51:41,455 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:51:41,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-12-02 08:51:41,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:51:41,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:51:41,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:51:41,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:51:41,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:51:41,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:51:41,542 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 08:51:41,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 08:51:41,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 08:51:41,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:51:41,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 08:51:41,542 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 08:51:41,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 08:51:41,543 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 08:51:41,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 08:51:41,544 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 08:51:41,544 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:51:41,544 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 08:51:41,544 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 08:51:41,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:51:41,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:51:41,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:51:41,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:51:41,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:51:41,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:51:41,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:51:41,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:51:41,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:51:41,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:51:41,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 08:51:41,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 08:51:41,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 08:51:41,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 08:51:41,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 08:51:41,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 08:51:41,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 08:51:41,546 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1
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 -> 4dcfd24df13a4fc35e028ca53c41591d13aa2fa957261180f0dd9c1764b57d13
[2024-12-02 08:51:41,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:51:41,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:51:41,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:51:41,776 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 08:51:41,776 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 08:51:41,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i
[2024-12-02 08:51:44,431 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data/f893fd93a/c484cd23283544cd9b713d0d2f0c5e21/FLAG8322da7b9
[2024-12-02 08:51:44,707 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 08:51:44,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/sv-benchmarks/c/pthread-wmm/mix009.oepc.i
[2024-12-02 08:51:44,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data/f893fd93a/c484cd23283544cd9b713d0d2f0c5e21/FLAG8322da7b9
[2024-12-02 08:51:45,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data/f893fd93a/c484cd23283544cd9b713d0d2f0c5e21
[2024-12-02 08:51:45,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:51:45,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:51:45,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:51:45,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:51:45,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:51:45,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5099ffbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45, skipping insertion in model container
[2024-12-02 08:51:45,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,045 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:51:45,381 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:51:45,393 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 08:51:45,460 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:51:45,499 INFO L204 MainTranslator]: Completed translation
[2024-12-02 08:51:45,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45 WrapperNode
[2024-12-02 08:51:45,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:51:45,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:51:45,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:51:45,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:51:45,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,543 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 117
[2024-12-02 08:51:45,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:51:45,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:51:45,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:51:45,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:51:45,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,558 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,573 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].
[2024-12-02 08:51:45,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,582 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:51:45,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:51:45,592 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:51:45,592 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:51:45,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (1/1) ...
[2024-12-02 08:51:45,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:51:45,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:51:45,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 08:51:45,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 08:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-12-02 08:51:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-12-02 08:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-12-02 08:51:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-12-02 08:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 08:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:51:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:51:45,648 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 08:51:45,777 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 08:51:45,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:51:46,063 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 08:51:46,063 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 08:51:46,252 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:51:46,252 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 08:51:46,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:46 BoogieIcfgContainer
[2024-12-02 08:51:46,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:51:46,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 08:51:46,255 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 08:51:46,260 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 08:51:46,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:51:45" (1/3) ...
[2024-12-02 08:51:46,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d342d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:46, skipping insertion in model container
[2024-12-02 08:51:46,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:45" (2/3) ...
[2024-12-02 08:51:46,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d342d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:46, skipping insertion in model container
[2024-12-02 08:51:46,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:46" (3/3) ...
[2024-12-02 08:51:46,263 INFO L128 eAbstractionObserver]: Analyzing ICFG mix009.oepc.i
[2024-12-02 08:51:46,279 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 08:51:46,281 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix009.oepc.i that has 3 procedures, 37 locations, 1 initial locations, 0 loop locations, and 3 error locations.
[2024-12-02 08:51:46,281 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 08:51:46,332 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 08:51:46,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow
[2024-12-02 08:51:46,389 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events.
[2024-12-02 08:51:46,392 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 08:51:46,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 36 events. 2/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place.
[2024-12-02 08:51:46,395 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow
[2024-12-02 08:51:46,398 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow
[2024-12-02 08:51:46,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 08:51:46,418 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;@62d10a5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 08:51:46,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-12-02 08:51:46,422 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 08:51:46,423 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events.
[2024-12-02 08:51:46,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 08:51:46,423 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:46,423 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-12-02 08:51:46,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:46,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:46,429 INFO L85 PathProgramCache]: Analyzing trace with hash 11008213, now seen corresponding path program 1 times
[2024-12-02 08:51:46,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:46,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958176455]
[2024-12-02 08:51:46,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:46,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:46,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:46,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958176455]
[2024-12-02 08:51:46,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958176455] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:46,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:46,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 08:51:46,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083655864]
[2024-12-02 08:51:46,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:46,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:51:46,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:46,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:51:46,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:51:46,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38
[2024-12-02 08:51:46,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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)
[2024-12-02 08:51:46,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:46,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38
[2024-12-02 08:51:46,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:47,125 INFO L124 PetriNetUnfolderBase]: 183/410 cut-off events.
[2024-12-02 08:51:47,126 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-12-02 08:51:47,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 410 events. 183/410 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2109 event pairs, 69 based on Foata normal form. 32/437 useless extension candidates. Maximal degree in co-relation 734. Up to 265 conditions per place.
[2024-12-02 08:51:47,131 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 25 selfloop transitions, 2 changer transitions 2/44 dead transitions.
[2024-12-02 08:51:47,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 155 flow
[2024-12-02 08:51:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:51:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 08:51:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions.
[2024-12-02 08:51:47,143 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7456140350877193
[2024-12-02 08:51:47,145 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 85 transitions.
[2024-12-02 08:51:47,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 155 flow
[2024-12-02 08:51:47,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 08:51:47,152 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow
[2024-12-02 08:51:47,154 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31}
[2024-12-02 08:51:47,157 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places.
[2024-12-02 08:51:47,157 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow
[2024-12-02 08:51:47,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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)
[2024-12-02 08:51:47,157 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:47,157 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:47,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 08:51:47,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:47,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash 668218751, now seen corresponding path program 1 times
[2024-12-02 08:51:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:47,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565850147]
[2024-12-02 08:51:47,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:47,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:47,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:47,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565850147]
[2024-12-02 08:51:47,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565850147] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:47,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:47,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 08:51:47,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444898885]
[2024-12-02 08:51:47,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:47,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:51:47,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:47,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:51:47,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:51:47,232 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 38
[2024-12-02 08:51:47,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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)
[2024-12-02 08:51:47,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:47,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 38
[2024-12-02 08:51:47,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:47,340 INFO L124 PetriNetUnfolderBase]: 159/377 cut-off events.
[2024-12-02 08:51:47,340 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-12-02 08:51:47,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 701 conditions, 377 events. 159/377 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2115 event pairs, 159 based on Foata normal form. 16/376 useless extension candidates. Maximal degree in co-relation 691. Up to 280 conditions per place.
[2024-12-02 08:51:47,344 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 14 selfloop transitions, 1 changer transitions 1/30 dead transitions.
[2024-12-02 08:51:47,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 100 flow
[2024-12-02 08:51:47,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:51:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 08:51:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions.
[2024-12-02 08:51:47,346 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5701754385964912
[2024-12-02 08:51:47,346 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 65 transitions.
[2024-12-02 08:51:47,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 100 flow
[2024-12-02 08:51:47,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 08:51:47,348 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow
[2024-12-02 08:51:47,348 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29}
[2024-12-02 08:51:47,349 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places.
[2024-12-02 08:51:47,349 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow
[2024-12-02 08:51:47,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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)
[2024-12-02 08:51:47,349 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:47,349 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:47,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 08:51:47,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:47,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:47,350 INFO L85 PathProgramCache]: Analyzing trace with hash 668220093, now seen corresponding path program 1 times
[2024-12-02 08:51:47,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:47,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567729342]
[2024-12-02 08:51:47,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:47,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:47,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:47,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567729342]
[2024-12-02 08:51:47,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567729342] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:47,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:47,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:51:47,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797589796]
[2024-12-02 08:51:47,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:47,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:51:47,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:47,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:51:47,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:51:47,615 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38
[2024-12-02 08:51:47,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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)
[2024-12-02 08:51:47,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:47,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38
[2024-12-02 08:51:47,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:48,029 INFO L124 PetriNetUnfolderBase]: 476/928 cut-off events.
[2024-12-02 08:51:48,030 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 08:51:48,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1757 conditions, 928 events. 476/928 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 5159 event pairs, 200 based on Foata normal form. 0/895 useless extension candidates. Maximal degree in co-relation 1751. Up to 512 conditions per place.
[2024-12-02 08:51:48,036 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 24 selfloop transitions, 3 changer transitions 39/75 dead transitions.
[2024-12-02 08:51:48,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 75 transitions, 290 flow
[2024-12-02 08:51:48,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 08:51:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-12-02 08:51:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 164 transitions.
[2024-12-02 08:51:48,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5394736842105263
[2024-12-02 08:51:48,038 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 8 states and 164 transitions.
[2024-12-02 08:51:48,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 75 transitions, 290 flow
[2024-12-02 08:51:48,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 75 transitions, 289 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 08:51:48,042 INFO L231 Difference]: Finished difference. Result has 47 places, 30 transitions, 96 flow
[2024-12-02 08:51:48,042 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=96, PETRI_PLACES=47, PETRI_TRANSITIONS=30}
[2024-12-02 08:51:48,043 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places.
[2024-12-02 08:51:48,043 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 30 transitions, 96 flow
[2024-12-02 08:51:48,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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)
[2024-12-02 08:51:48,043 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:48,043 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:48,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 08:51:48,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:48,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:48,044 INFO L85 PathProgramCache]: Analyzing trace with hash 19270634, now seen corresponding path program 1 times
[2024-12-02 08:51:48,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:48,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008370099]
[2024-12-02 08:51:48,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:48,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:48,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:48,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008370099]
[2024-12-02 08:51:48,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008370099] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:48,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:48,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 08:51:48,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382246521]
[2024-12-02 08:51:48,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:48,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:51:48,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:48,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:51:48,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:51:48,286 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38
[2024-12-02 08:51:48,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 30 transitions, 96 flow. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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)
[2024-12-02 08:51:48,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:48,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38
[2024-12-02 08:51:48,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:48,643 INFO L124 PetriNetUnfolderBase]: 330/660 cut-off events.
[2024-12-02 08:51:48,644 INFO L125 PetriNetUnfolderBase]: For 406/406 co-relation queries the response was YES.
[2024-12-02 08:51:48,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 660 events. 330/660 cut-off events. For 406/406 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3328 event pairs, 186 based on Foata normal form. 24/680 useless extension candidates. Maximal degree in co-relation 1583. Up to 374 conditions per place.
[2024-12-02 08:51:48,649 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 26 selfloop transitions, 3 changer transitions 25/63 dead transitions.
[2024-12-02 08:51:48,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 63 transitions, 294 flow
[2024-12-02 08:51:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 08:51:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-12-02 08:51:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions.
[2024-12-02 08:51:48,651 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5225563909774437
[2024-12-02 08:51:48,651 INFO L175 Difference]: Start difference. First operand has 47 places, 30 transitions, 96 flow. Second operand 7 states and 139 transitions.
[2024-12-02 08:51:48,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 63 transitions, 294 flow
[2024-12-02 08:51:48,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 63 transitions, 277 flow, removed 7 selfloop flow, removed 3 redundant places.
[2024-12-02 08:51:48,657 INFO L231 Difference]: Finished difference. Result has 49 places, 30 transitions, 106 flow
[2024-12-02 08:51:48,658 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=106, PETRI_PLACES=49, PETRI_TRANSITIONS=30}
[2024-12-02 08:51:48,659 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 8 predicate places.
[2024-12-02 08:51:48,659 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 30 transitions, 106 flow
[2024-12-02 08:51:48,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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)
[2024-12-02 08:51:48,659 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:48,659 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:48,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 08:51:48,660 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:48,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:48,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1153464018, now seen corresponding path program 1 times
[2024-12-02 08:51:48,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:48,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729212996]
[2024-12-02 08:51:48,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:48,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:49,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:49,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729212996]
[2024-12-02 08:51:49,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729212996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:49,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:49,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:51:49,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753435434]
[2024-12-02 08:51:49,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:49,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 08:51:49,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:49,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 08:51:49,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:51:49,131 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38
[2024-12-02 08:51:49,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 30 transitions, 106 flow. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 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)
[2024-12-02 08:51:49,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:49,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38
[2024-12-02 08:51:49,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:49,520 INFO L124 PetriNetUnfolderBase]: 216/467 cut-off events.
[2024-12-02 08:51:49,520 INFO L125 PetriNetUnfolderBase]: For 389/390 co-relation queries the response was YES.
[2024-12-02 08:51:49,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 467 events. 216/467 cut-off events. For 389/390 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2306 event pairs, 30 based on Foata normal form. 16/479 useless extension candidates. Maximal degree in co-relation 1119. Up to 278 conditions per place.
[2024-12-02 08:51:49,524 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 30 selfloop transitions, 9 changer transitions 25/76 dead transitions.
[2024-12-02 08:51:49,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 76 transitions, 390 flow
[2024-12-02 08:51:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 08:51:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2024-12-02 08:51:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 219 transitions.
[2024-12-02 08:51:49,526 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5239234449760766
[2024-12-02 08:51:49,526 INFO L175 Difference]: Start difference. First operand has 49 places, 30 transitions, 106 flow. Second operand 11 states and 219 transitions.
[2024-12-02 08:51:49,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 76 transitions, 390 flow
[2024-12-02 08:51:49,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 76 transitions, 350 flow, removed 17 selfloop flow, removed 6 redundant places.
[2024-12-02 08:51:49,529 INFO L231 Difference]: Finished difference. Result has 58 places, 36 transitions, 164 flow
[2024-12-02 08:51:49,530 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=164, PETRI_PLACES=58, PETRI_TRANSITIONS=36}
[2024-12-02 08:51:49,530 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 17 predicate places.
[2024-12-02 08:51:49,530 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 36 transitions, 164 flow
[2024-12-02 08:51:49,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 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)
[2024-12-02 08:51:49,531 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:49,531 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:49,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 08:51:49,531 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:49,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash 949088521, now seen corresponding path program 1 times
[2024-12-02 08:51:49,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:49,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189486893]
[2024-12-02 08:51:49,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:49,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:49,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:49,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189486893]
[2024-12-02 08:51:49,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189486893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:49,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:49,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 08:51:49,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647281638]
[2024-12-02 08:51:49,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:49,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:51:49,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:49,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:51:49,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:51:49,702 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38
[2024-12-02 08:51:49,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 36 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:51:49,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:49,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38
[2024-12-02 08:51:49,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:49,886 INFO L124 PetriNetUnfolderBase]: 229/482 cut-off events.
[2024-12-02 08:51:49,886 INFO L125 PetriNetUnfolderBase]: For 539/541 co-relation queries the response was YES.
[2024-12-02 08:51:49,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1277 conditions, 482 events. 229/482 cut-off events. For 539/541 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2193 event pairs, 32 based on Foata normal form. 33/496 useless extension candidates. Maximal degree in co-relation 1256. Up to 207 conditions per place.
[2024-12-02 08:51:49,890 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 34 selfloop transitions, 4 changer transitions 0/52 dead transitions.
[2024-12-02 08:51:49,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 52 transitions, 281 flow
[2024-12-02 08:51:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 08:51:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 08:51:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 94 transitions.
[2024-12-02 08:51:49,891 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.618421052631579
[2024-12-02 08:51:49,891 INFO L175 Difference]: Start difference. First operand has 58 places, 36 transitions, 164 flow. Second operand 4 states and 94 transitions.
[2024-12-02 08:51:49,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 52 transitions, 281 flow
[2024-12-02 08:51:49,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 258 flow, removed 9 selfloop flow, removed 7 redundant places.
[2024-12-02 08:51:49,896 INFO L231 Difference]: Finished difference. Result has 50 places, 37 transitions, 158 flow
[2024-12-02 08:51:49,896 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=158, PETRI_PLACES=50, PETRI_TRANSITIONS=37}
[2024-12-02 08:51:49,897 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places.
[2024-12-02 08:51:49,897 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 158 flow
[2024-12-02 08:51:49,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:51:49,897 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:49,897 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:49,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 08:51:49,897 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:49,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1138677676, now seen corresponding path program 1 times
[2024-12-02 08:51:49,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:49,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679793550]
[2024-12-02 08:51:49,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:50,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:50,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679793550]
[2024-12-02 08:51:50,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679793550] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:50,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:50,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:51:50,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087997835]
[2024-12-02 08:51:50,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:50,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:51:50,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:50,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:51:50,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:51:50,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38
[2024-12-02 08:51:50,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 158 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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)
[2024-12-02 08:51:50,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:50,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38
[2024-12-02 08:51:50,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:50,281 INFO L124 PetriNetUnfolderBase]: 151/326 cut-off events.
[2024-12-02 08:51:50,281 INFO L125 PetriNetUnfolderBase]: For 269/269 co-relation queries the response was YES.
[2024-12-02 08:51:50,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 326 events. 151/326 cut-off events. For 269/269 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1317 event pairs, 34 based on Foata normal form. 20/327 useless extension candidates. Maximal degree in co-relation 894. Up to 130 conditions per place.
[2024-12-02 08:51:50,284 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 30 selfloop transitions, 6 changer transitions 0/50 dead transitions.
[2024-12-02 08:51:50,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 50 transitions, 269 flow
[2024-12-02 08:51:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 08:51:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-12-02 08:51:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 106 transitions.
[2024-12-02 08:51:50,285 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5578947368421052
[2024-12-02 08:51:50,285 INFO L175 Difference]: Start difference. First operand has 50 places, 37 transitions, 158 flow. Second operand 5 states and 106 transitions.
[2024-12-02 08:51:50,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 50 transitions, 269 flow
[2024-12-02 08:51:50,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 50 transitions, 239 flow, removed 11 selfloop flow, removed 5 redundant places.
[2024-12-02 08:51:50,288 INFO L231 Difference]: Finished difference. Result has 51 places, 38 transitions, 162 flow
[2024-12-02 08:51:50,288 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=162, PETRI_PLACES=51, PETRI_TRANSITIONS=38}
[2024-12-02 08:51:50,289 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 10 predicate places.
[2024-12-02 08:51:50,289 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 38 transitions, 162 flow
[2024-12-02 08:51:50,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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)
[2024-12-02 08:51:50,290 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:50,290 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:50,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 08:51:50,290 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:50,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1220580318, now seen corresponding path program 1 times
[2024-12-02 08:51:50,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:50,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915573727]
[2024-12-02 08:51:50,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:50,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:50,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:50,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915573727]
[2024-12-02 08:51:50,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915573727] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:50,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:50,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 08:51:50,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421744104]
[2024-12-02 08:51:50,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:50,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 08:51:50,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:50,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 08:51:50,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:51:50,840 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 38
[2024-12-02 08:51:50,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 38 transitions, 162 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 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)
[2024-12-02 08:51:50,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:50,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 38
[2024-12-02 08:51:50,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:51,160 INFO L124 PetriNetUnfolderBase]: 151/413 cut-off events.
[2024-12-02 08:51:51,160 INFO L125 PetriNetUnfolderBase]: For 389/430 co-relation queries the response was YES.
[2024-12-02 08:51:51,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 413 events. 151/413 cut-off events. For 389/430 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2129 event pairs, 60 based on Foata normal form. 10/386 useless extension candidates. Maximal degree in co-relation 1040. Up to 127 conditions per place.
[2024-12-02 08:51:51,163 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 23 selfloop transitions, 7 changer transitions 19/68 dead transitions.
[2024-12-02 08:51:51,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 68 transitions, 340 flow
[2024-12-02 08:51:51,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 08:51:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-12-02 08:51:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 167 transitions.
[2024-12-02 08:51:51,164 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5493421052631579
[2024-12-02 08:51:51,164 INFO L175 Difference]: Start difference. First operand has 51 places, 38 transitions, 162 flow. Second operand 8 states and 167 transitions.
[2024-12-02 08:51:51,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 68 transitions, 340 flow
[2024-12-02 08:51:51,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 68 transitions, 331 flow, removed 2 selfloop flow, removed 2 redundant places.
[2024-12-02 08:51:51,166 INFO L231 Difference]: Finished difference. Result has 61 places, 41 transitions, 195 flow
[2024-12-02 08:51:51,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=195, PETRI_PLACES=61, PETRI_TRANSITIONS=41}
[2024-12-02 08:51:51,167 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 20 predicate places.
[2024-12-02 08:51:51,167 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 41 transitions, 195 flow
[2024-12-02 08:51:51,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 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)
[2024-12-02 08:51:51,168 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:51,168 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:51,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 08:51:51,168 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:51,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2146725534, now seen corresponding path program 2 times
[2024-12-02 08:51:51,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:51,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265736047]
[2024-12-02 08:51:51,169 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 08:51:51,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:51,201 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 08:51:51,201 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:51:51,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:51,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:51,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265736047]
[2024-12-02 08:51:51,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265736047] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:51,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:51,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:51:51,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587872676]
[2024-12-02 08:51:51,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:51,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 08:51:51,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:51,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 08:51:51,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 08:51:51,507 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 38
[2024-12-02 08:51:51,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 41 transitions, 195 flow. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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)
[2024-12-02 08:51:51,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:51,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 38
[2024-12-02 08:51:51,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:51,777 INFO L124 PetriNetUnfolderBase]: 199/504 cut-off events.
[2024-12-02 08:51:51,777 INFO L125 PetriNetUnfolderBase]: For 439/481 co-relation queries the response was YES.
[2024-12-02 08:51:51,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 504 events. 199/504 cut-off events. For 439/481 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2622 event pairs, 54 based on Foata normal form. 11/482 useless extension candidates. Maximal degree in co-relation 1408. Up to 192 conditions per place.
[2024-12-02 08:51:51,780 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 25 selfloop transitions, 10 changer transitions 19/66 dead transitions.
[2024-12-02 08:51:51,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 400 flow
[2024-12-02 08:51:51,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 08:51:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-12-02 08:51:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 123 transitions.
[2024-12-02 08:51:51,782 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.462406015037594
[2024-12-02 08:51:51,782 INFO L175 Difference]: Start difference. First operand has 61 places, 41 transitions, 195 flow. Second operand 7 states and 123 transitions.
[2024-12-02 08:51:51,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 400 flow
[2024-12-02 08:51:51,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 66 transitions, 386 flow, removed 7 selfloop flow, removed 3 redundant places.
[2024-12-02 08:51:51,786 INFO L231 Difference]: Finished difference. Result has 63 places, 41 transitions, 223 flow
[2024-12-02 08:51:51,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=223, PETRI_PLACES=63, PETRI_TRANSITIONS=41}
[2024-12-02 08:51:51,787 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 22 predicate places.
[2024-12-02 08:51:51,787 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 41 transitions, 223 flow
[2024-12-02 08:51:51,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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)
[2024-12-02 08:51:51,787 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:51,787 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:51,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 08:51:51,788 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:51,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:51,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1110479970, now seen corresponding path program 3 times
[2024-12-02 08:51:51,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:51,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525339565]
[2024-12-02 08:51:51,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 08:51:51,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:51,821 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-12-02 08:51:51,821 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:51:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:52,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:51:52,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525339565]
[2024-12-02 08:51:52,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525339565] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:52,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:52,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 08:51:52,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644813888]
[2024-12-02 08:51:52,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:52,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 08:51:52,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:51:52,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 08:51:52,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:51:52,112 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 38
[2024-12-02 08:51:52,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 41 transitions, 223 flow. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:51:52,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:52,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 38
[2024-12-02 08:51:52,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:51:52,382 INFO L124 PetriNetUnfolderBase]: 174/434 cut-off events.
[2024-12-02 08:51:52,383 INFO L125 PetriNetUnfolderBase]: For 381/386 co-relation queries the response was YES.
[2024-12-02 08:51:52,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 434 events. 174/434 cut-off events. For 381/386 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2122 event pairs, 66 based on Foata normal form. 6/409 useless extension candidates. Maximal degree in co-relation 1248. Up to 148 conditions per place.
[2024-12-02 08:51:52,385 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 21 selfloop transitions, 3 changer transitions 25/61 dead transitions.
[2024-12-02 08:51:52,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 61 transitions, 393 flow
[2024-12-02 08:51:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 08:51:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-12-02 08:51:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 136 transitions.
[2024-12-02 08:51:52,387 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316
[2024-12-02 08:51:52,387 INFO L175 Difference]: Start difference. First operand has 63 places, 41 transitions, 223 flow. Second operand 8 states and 136 transitions.
[2024-12-02 08:51:52,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 61 transitions, 393 flow
[2024-12-02 08:51:52,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 61 transitions, 368 flow, removed 7 selfloop flow, removed 5 redundant places.
[2024-12-02 08:51:52,391 INFO L231 Difference]: Finished difference. Result has 65 places, 32 transitions, 154 flow
[2024-12-02 08:51:52,391 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=154, PETRI_PLACES=65, PETRI_TRANSITIONS=32}
[2024-12-02 08:51:52,392 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 24 predicate places.
[2024-12-02 08:51:52,392 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 32 transitions, 154 flow
[2024-12-02 08:51:52,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:51:52,392 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:52,393 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:52,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 08:51:52,393 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:52,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:52,393 INFO L85 PathProgramCache]: Analyzing trace with hash -794663364, now seen corresponding path program 4 times
[2024-12-02 08:51:52,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:51:52,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881180916]
[2024-12-02 08:51:52,394 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 08:51:52,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:51:52,478 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 08:51:52,478 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-12-02 08:51:52,478 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:51:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:51:52,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 08:51:52,583 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 08:51:52,584 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining)
[2024-12-02 08:51:52,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining)
[2024-12-02 08:51:52,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining)
[2024-12-02 08:51:52,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2024-12-02 08:51:52,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining)
[2024-12-02 08:51:52,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining)
[2024-12-02 08:51:52,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 08:51:52,588 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:51:52,647 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 08:51:52,647 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 08:51:52,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:51:52 BasicIcfg
[2024-12-02 08:51:52,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 08:51:52,653 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:51:52,653 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:51:52,653 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 08:51:52,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:46" (3/4) ...
[2024-12-02 08:51:52,656 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 08:51:52,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 08:51:52,658 INFO L158 Benchmark]: Toolchain (without parser) took 7652.42ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.2MB in the beginning and 322.0MB in the end (delta: -203.8MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB.
[2024-12-02 08:51:52,658 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:51:52,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.48ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 95.3MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 08:51:52,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.52ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 93.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:51:52,659 INFO L158 Benchmark]: Boogie Preprocessor took 46.96ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 90.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:51:52,660 INFO L158 Benchmark]: RCFGBuilder took 661.21ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 98.2MB in the end (delta: -7.8MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB.
[2024-12-02 08:51:52,660 INFO L158 Benchmark]: TraceAbstraction took 6397.16ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 97.6MB in the beginning and 322.0MB in the end (delta: -224.4MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB.
[2024-12-02 08:51:52,660 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 427.8MB. Free memory was 322.0MB in the beginning and 322.0MB in the end (delta: 35.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:51:52,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 493.48ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 95.3MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.52ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 93.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 46.96ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 90.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 661.21ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 98.2MB in the end (delta: -7.8MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 6397.16ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 97.6MB in the beginning and 322.0MB in the end (delta: -224.4MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB.
* Witness Printer took 4.03ms. Allocated memory is still 427.8MB. Free memory was 322.0MB in the beginning and 322.0MB in the end (delta: 35.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: overapproximation of memtrack at line 17.
Possible FailurePath:
[L708] 0 int __unbuffered_cnt = 0;
[L710] 0 int __unbuffered_p0_EAX = 0;
[L712] 0 int __unbuffered_p0_EBX = 0;
[L714] 0 int __unbuffered_p1_EAX = 0;
[L716] 0 int __unbuffered_p1_EBX = 0;
[L717] 0 _Bool main$tmp_guard0;
[L718] 0 _Bool main$tmp_guard1;
[L720] 0 int x = 0;
[L722] 0 int y = 0;
[L724] 0 int z = 0;
[L725] 0 _Bool z$flush_delayed;
[L726] 0 int z$mem_tmp;
[L727] 0 _Bool z$r_buff0_thd0;
[L728] 0 _Bool z$r_buff0_thd1;
[L729] 0 _Bool z$r_buff0_thd2;
[L730] 0 _Bool z$r_buff1_thd0;
[L731] 0 _Bool z$r_buff1_thd1;
[L732] 0 _Bool z$r_buff1_thd2;
[L733] 0 _Bool z$read_delayed;
[L734] 0 int *z$read_delayed_var;
[L735] 0 int z$w_buff0;
[L736] 0 _Bool z$w_buff0_used;
[L737] 0 int z$w_buff1;
[L738] 0 _Bool z$w_buff1_used;
[L739] 0 _Bool weak$$choice0;
[L740] 0 _Bool weak$$choice2;
[L822] 0 pthread_t t241;
[L823] FCALL, FORK 0 pthread_create(&t241, ((void *)0), P0, ((void *)0))
VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t241=-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]
[L744] 1 z$w_buff1 = z$w_buff0
[L745] 1 z$w_buff0 = 1
[L746] 1 z$w_buff1_used = z$w_buff0_used
[L747] 1 z$w_buff0_used = (_Bool)1
[L748] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L18] COND FALSE 1 !(!expression)
[L748] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L749] 1 z$r_buff1_thd0 = z$r_buff0_thd0
[L750] 1 z$r_buff1_thd1 = z$r_buff0_thd1
[L751] 1 z$r_buff1_thd2 = z$r_buff0_thd2
[L752] 1 z$r_buff0_thd1 = (_Bool)1
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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]
[L824] 0 pthread_t t242;
[L825] FCALL, FORK 0 pthread_create(&t242, ((void *)0), P1, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t241=-2, t242=-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]
[L755] 1 x = 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$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]
[L758] 1 __unbuffered_p0_EAX = x
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$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]
[L761] 1 __unbuffered_p0_EBX = y
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$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]
[L778] 2 y = 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=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=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]
[L781] 2 __unbuffered_p1_EAX = y
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=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=1, 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]
[L784] 2 weak$$choice0 = __VERIFIER_nondet_bool()
[L785] 2 weak$$choice2 = __VERIFIER_nondet_bool()
[L786] 2 z$flush_delayed = weak$$choice2
[L787] 2 z$mem_tmp = z
[L788] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1)
[L789] 2 z$w_buff0 = weak$$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$w_buff0))
[L790] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1))
[L791] 2 z$w_buff0_used = weak$$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))
[L792] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L793] 2 z$r_buff0_thd2 = weak$$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))
[L794] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L795] 2 __unbuffered_p1_EBX = z
[L796] 2 z = z$flush_delayed ? z$mem_tmp : z
[L797] 2 z$flush_delayed = (_Bool)0
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L800] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z)
[L801] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used
[L802] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used
[L803] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2
[L804] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L807] 2 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L764] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z)
[L765] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used
[L766] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used
[L767] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1
[L768] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L827] 0 main$tmp_guard0 = __unbuffered_cnt == 2
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t241=-2, t242=-1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L829] CALL 0 assume_abort_if_not(main$tmp_guard0)
[L3] COND FALSE 0 !(!cond)
[L829] RET 0 assume_abort_if_not(main$tmp_guard0)
[L831] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L832] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L833] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L834] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L835] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t241=-2, t242=-1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L838] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0)
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t241=-2, t242=-1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L840] CALL 0 __VERIFIER_assert(main$tmp_guard1)
[L18] COND TRUE 0 !expression
[L18] CALL 0 reach_error()
[L17] COND FALSE 0 !(0)
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L17] 0 __assert_fail ("0", "mix009.oepc.c", 8, __extension__ __PRETTY_FUNCTION__)
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, 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: 820]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: 823]: 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: 825]: 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, 57 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: 6.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 339 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1012 IncrementalHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 34 mSDtfsCounter, 1012 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=9, InterpolantAutomatonStates: 64, 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, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 1046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-02 08:51:52,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1 --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 4dcfd24df13a4fc35e028ca53c41591d13aa2fa957261180f0dd9c1764b57d13
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:51:54,905 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:51:54,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-12-02 08:51:54,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:51:55,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:51:55,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:51:55,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:51:55,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:51:55,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:51:55,026 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 08:51:55,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 08:51:55,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 08:51:55,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:51:55,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 08:51:55,027 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 08:51:55,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:51:55,027 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 08:51:55,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:51:55,028 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 08:51:55,029 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 08:51:55,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:51:55,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:51:55,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:51:55,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:51:55,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:51:55,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:51:55,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:51:55,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:51:55,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:51:55,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:51:55,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 08:51:55,030 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 08:51:55,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 08:51:55,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 08:51:55,030 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 08:51:55,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 08:51:55,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 08:51:55,030 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1
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 -> 4dcfd24df13a4fc35e028ca53c41591d13aa2fa957261180f0dd9c1764b57d13
[2024-12-02 08:51:55,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:51:55,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:51:55,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:51:55,292 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 08:51:55,292 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 08:51:55,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i
[2024-12-02 08:51:58,103 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data/ef0a0b9e3/40e69e67415f47c39def302c29cb7c87/FLAGf784a1ce1
[2024-12-02 08:51:58,341 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 08:51:58,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/sv-benchmarks/c/pthread-wmm/mix009.oepc.i
[2024-12-02 08:51:58,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data/ef0a0b9e3/40e69e67415f47c39def302c29cb7c87/FLAGf784a1ce1
[2024-12-02 08:51:58,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/data/ef0a0b9e3/40e69e67415f47c39def302c29cb7c87
[2024-12-02 08:51:58,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:51:58,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:51:58,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:51:58,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:51:58,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:51:58,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b27081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58, skipping insertion in model container
[2024-12-02 08:51:58,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,404 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:51:58,680 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:51:58,694 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 08:51:58,748 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:51:58,777 INFO L204 MainTranslator]: Completed translation
[2024-12-02 08:51:58,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58 WrapperNode
[2024-12-02 08:51:58,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:51:58,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:51:58,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:51:58,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:51:58,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,822 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 118
[2024-12-02 08:51:58,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:51:58,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:51:58,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:51:58,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:51:58,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,848 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].
[2024-12-02 08:51:58,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,856 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:51:58,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:51:58,867 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:51:58,867 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:51:58,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (1/1) ...
[2024-12-02 08:51:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:51:58,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:51:58,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 08:51:58,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:51:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 08:51:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:51:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 08:51:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-12-02 08:51:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-12-02 08:51:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-12-02 08:51:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-12-02 08:51:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 08:51:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:51:58,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:51:58,929 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 08:51:59,049 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 08:51:59,050 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:51:59,351 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 08:51:59,351 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 08:51:59,556 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:51:59,557 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 08:51:59,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:59 BoogieIcfgContainer
[2024-12-02 08:51:59,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:51:59,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 08:51:59,560 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 08:51:59,564 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 08:51:59,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:51:58" (1/3) ...
[2024-12-02 08:51:59,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489011f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:59, skipping insertion in model container
[2024-12-02 08:51:59,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:58" (2/3) ...
[2024-12-02 08:51:59,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489011f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:59, skipping insertion in model container
[2024-12-02 08:51:59,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:59" (3/3) ...
[2024-12-02 08:51:59,567 INFO L128 eAbstractionObserver]: Analyzing ICFG mix009.oepc.i
[2024-12-02 08:51:59,583 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 08:51:59,586 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix009.oepc.i that has 3 procedures, 37 locations, 1 initial locations, 0 loop locations, and 3 error locations.
[2024-12-02 08:51:59,587 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 08:51:59,646 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 08:51:59,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow
[2024-12-02 08:51:59,714 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events.
[2024-12-02 08:51:59,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 08:51:59,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 36 events. 2/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place.
[2024-12-02 08:51:59,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow
[2024-12-02 08:51:59,723 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow
[2024-12-02 08:51:59,731 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 08:51:59,744 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;@184b719f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 08:51:59,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-12-02 08:51:59,748 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 08:51:59,748 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events.
[2024-12-02 08:51:59,748 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 08:51:59,749 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:51:59,749 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-12-02 08:51:59,750 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:51:59,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:51:59,764 INFO L85 PathProgramCache]: Analyzing trace with hash 11069781, now seen corresponding path program 1 times
[2024-12-02 08:51:59,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 08:51:59,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135312524]
[2024-12-02 08:51:59,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:51:59,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:51:59,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:51:59,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:51:59,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 08:51:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:51:59,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 08:51:59,876 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:51:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:51:59,911 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 08:51:59,912 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 08:51:59,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135312524]
[2024-12-02 08:51:59,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135312524] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:51:59,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:51:59,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 08:51:59,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113512699]
[2024-12-02 08:51:59,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:51:59,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:51:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 08:51:59,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:51:59,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:51:59,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 38
[2024-12-02 08:51:59,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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)
[2024-12-02 08:51:59,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:51:59,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 38
[2024-12-02 08:51:59,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:52:00,216 INFO L124 PetriNetUnfolderBase]: 183/482 cut-off events.
[2024-12-02 08:52:00,216 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-12-02 08:52:00,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 482 events. 183/482 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2779 event pairs, 21 based on Foata normal form. 32/509 useless extension candidates. Maximal degree in co-relation 806. Up to 265 conditions per place.
[2024-12-02 08:52:00,223 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 25 selfloop transitions, 2 changer transitions 2/44 dead transitions.
[2024-12-02 08:52:00,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 155 flow
[2024-12-02 08:52:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:52:00,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 08:52:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions.
[2024-12-02 08:52:00,238 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7456140350877193
[2024-12-02 08:52:00,240 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 85 transitions.
[2024-12-02 08:52:00,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 155 flow
[2024-12-02 08:52:00,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 08:52:00,249 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow
[2024-12-02 08:52:00,252 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31}
[2024-12-02 08:52:00,256 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places.
[2024-12-02 08:52:00,256 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow
[2024-12-02 08:52:00,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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)
[2024-12-02 08:52:00,256 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:52:00,256 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:52:00,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 08:52:00,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:00,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:52:00,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:52:00,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1942465535, now seen corresponding path program 1 times
[2024-12-02 08:52:00,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 08:52:00,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1967530156]
[2024-12-02 08:52:00,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:52:00,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:00,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:52:00,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:52:00,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 08:52:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:52:00,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 08:52:00,548 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:52:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:52:00,583 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 08:52:00,583 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 08:52:00,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967530156]
[2024-12-02 08:52:00,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967530156] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:52:00,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:52:00,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 08:52:00,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154543241]
[2024-12-02 08:52:00,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:52:00,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:52:00,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 08:52:00,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:52:00,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:52:00,587 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 38
[2024-12-02 08:52:00,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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)
[2024-12-02 08:52:00,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:52:00,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 38
[2024-12-02 08:52:00,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:52:00,699 INFO L124 PetriNetUnfolderBase]: 159/377 cut-off events.
[2024-12-02 08:52:00,699 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-12-02 08:52:00,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 701 conditions, 377 events. 159/377 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2093 event pairs, 159 based on Foata normal form. 16/376 useless extension candidates. Maximal degree in co-relation 691. Up to 280 conditions per place.
[2024-12-02 08:52:00,703 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 14 selfloop transitions, 1 changer transitions 1/30 dead transitions.
[2024-12-02 08:52:00,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 100 flow
[2024-12-02 08:52:00,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:52:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 08:52:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions.
[2024-12-02 08:52:00,705 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5701754385964912
[2024-12-02 08:52:00,705 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 65 transitions.
[2024-12-02 08:52:00,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 100 flow
[2024-12-02 08:52:00,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 08:52:00,707 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow
[2024-12-02 08:52:00,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29}
[2024-12-02 08:52:00,708 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places.
[2024-12-02 08:52:00,708 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow
[2024-12-02 08:52:00,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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)
[2024-12-02 08:52:00,708 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:52:00,708 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:52:00,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 08:52:00,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:00,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:52:00,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:52:00,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1942464193, now seen corresponding path program 1 times
[2024-12-02 08:52:00,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 08:52:00,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758290194]
[2024-12-02 08:52:00,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:52:00,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:00,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:52:00,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:52:00,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 08:52:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:52:00,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 08:52:00,995 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:52:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:52:01,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 08:52:01,036 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 08:52:01,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758290194]
[2024-12-02 08:52:01,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758290194] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:52:01,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:52:01,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 08:52:01,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774245148]
[2024-12-02 08:52:01,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:52:01,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:52:01,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 08:52:01,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:52:01,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:52:01,042 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38
[2024-12-02 08:52:01,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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)
[2024-12-02 08:52:01,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:52:01,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38
[2024-12-02 08:52:01,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:52:01,190 INFO L124 PetriNetUnfolderBase]: 198/441 cut-off events.
[2024-12-02 08:52:01,190 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 08:52:01,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 441 events. 198/441 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2168 event pairs, 38 based on Foata normal form. 25/454 useless extension candidates. Maximal degree in co-relation 815. Up to 191 conditions per place.
[2024-12-02 08:52:01,193 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 31 selfloop transitions, 4 changer transitions 1/47 dead transitions.
[2024-12-02 08:52:01,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 47 transitions, 174 flow
[2024-12-02 08:52:01,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 08:52:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 08:52:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 94 transitions.
[2024-12-02 08:52:01,196 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.618421052631579
[2024-12-02 08:52:01,196 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 4 states and 94 transitions.
[2024-12-02 08:52:01,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 47 transitions, 174 flow
[2024-12-02 08:52:01,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 47 transitions, 173 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 08:52:01,198 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 89 flow
[2024-12-02 08:52:01,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=89, PETRI_PLACES=40, PETRI_TRANSITIONS=31}
[2024-12-02 08:52:01,199 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -1 predicate places.
[2024-12-02 08:52:01,199 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 89 flow
[2024-12-02 08:52:01,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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)
[2024-12-02 08:52:01,199 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:52:01,199 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:52:01,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 08:52:01,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:01,400 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:52:01,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:52:01,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2042225214, now seen corresponding path program 1 times
[2024-12-02 08:52:01,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 08:52:01,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1308280413]
[2024-12-02 08:52:01,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:52:01,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:01,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:52:01,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:52:01,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 08:52:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:52:01,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 08:52:01,485 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:52:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:52:01,532 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 08:52:01,532 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 08:52:01,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308280413]
[2024-12-02 08:52:01,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308280413] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:52:01,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:52:01,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:52:01,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700310924]
[2024-12-02 08:52:01,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:52:01,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:52:01,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 08:52:01,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:52:01,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:52:01,538 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38
[2024-12-02 08:52:01,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 89 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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)
[2024-12-02 08:52:01,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:52:01,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38
[2024-12-02 08:52:01,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:52:01,673 INFO L124 PetriNetUnfolderBase]: 102/228 cut-off events.
[2024-12-02 08:52:01,673 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES.
[2024-12-02 08:52:01,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 228 events. 102/228 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 781 event pairs, 26 based on Foata normal form. 16/235 useless extension candidates. Maximal degree in co-relation 517. Up to 86 conditions per place.
[2024-12-02 08:52:01,675 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 26 selfloop transitions, 6 changer transitions 1/44 dead transitions.
[2024-12-02 08:52:01,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 44 transitions, 186 flow
[2024-12-02 08:52:01,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 08:52:01,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-12-02 08:52:01,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions.
[2024-12-02 08:52:01,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685
[2024-12-02 08:52:01,677 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 89 flow. Second operand 5 states and 105 transitions.
[2024-12-02 08:52:01,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 44 transitions, 186 flow
[2024-12-02 08:52:01,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 44 transitions, 177 flow, removed 1 selfloop flow, removed 2 redundant places.
[2024-12-02 08:52:01,679 INFO L231 Difference]: Finished difference. Result has 44 places, 31 transitions, 105 flow
[2024-12-02 08:52:01,679 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=105, PETRI_PLACES=44, PETRI_TRANSITIONS=31}
[2024-12-02 08:52:01,679 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 3 predicate places.
[2024-12-02 08:52:01,680 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 31 transitions, 105 flow
[2024-12-02 08:52:01,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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)
[2024-12-02 08:52:01,680 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:52:01,680 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:52:01,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 08:52:01,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:01,881 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:52:01,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:52:01,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1442803870, now seen corresponding path program 1 times
[2024-12-02 08:52:01,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 08:52:01,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058065368]
[2024-12-02 08:52:01,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:52:01,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:01,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:52:01,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:52:01,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 08:52:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:52:01,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-12-02 08:52:01,972 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:52:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:52:02,274 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 08:52:02,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 08:52:02,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058065368]
[2024-12-02 08:52:02,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058065368] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:52:02,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:52:02,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 08:52:02,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252668467]
[2024-12-02 08:52:02,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:52:02,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 08:52:02,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 08:52:02,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 08:52:02,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-12-02 08:52:02,294 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 38
[2024-12-02 08:52:02,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 31 transitions, 105 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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)
[2024-12-02 08:52:02,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:52:02,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 38
[2024-12-02 08:52:02,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:52:02,614 INFO L124 PetriNetUnfolderBase]: 99/268 cut-off events.
[2024-12-02 08:52:02,614 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES.
[2024-12-02 08:52:02,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 268 events. 99/268 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1026 event pairs, 19 based on Foata normal form. 4/266 useless extension candidates. Maximal degree in co-relation 582. Up to 59 conditions per place.
[2024-12-02 08:52:02,615 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 23 selfloop transitions, 4 changer transitions 20/61 dead transitions.
[2024-12-02 08:52:02,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 61 transitions, 273 flow
[2024-12-02 08:52:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 08:52:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-12-02 08:52:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 198 transitions.
[2024-12-02 08:52:02,617 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5210526315789473
[2024-12-02 08:52:02,617 INFO L175 Difference]: Start difference. First operand has 44 places, 31 transitions, 105 flow. Second operand 10 states and 198 transitions.
[2024-12-02 08:52:02,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 61 transitions, 273 flow
[2024-12-02 08:52:02,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 61 transitions, 236 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-12-02 08:52:02,620 INFO L231 Difference]: Finished difference. Result has 52 places, 31 transitions, 97 flow
[2024-12-02 08:52:02,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=97, PETRI_PLACES=52, PETRI_TRANSITIONS=31}
[2024-12-02 08:52:02,621 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 11 predicate places.
[2024-12-02 08:52:02,621 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 31 transitions, 97 flow
[2024-12-02 08:52:02,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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)
[2024-12-02 08:52:02,621 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:52:02,621 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:52:02,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 08:52:02,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:02,822 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:52:02,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:52:02,822 INFO L85 PathProgramCache]: Analyzing trace with hash -125740488, now seen corresponding path program 2 times
[2024-12-02 08:52:02,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 08:52:02,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079603757]
[2024-12-02 08:52:02,823 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 08:52:02,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:02,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:52:02,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:52:02,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 08:52:02,900 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 08:52:02,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:52:02,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-12-02 08:52:02,904 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:52:03,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:52:03,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 08:52:03,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 08:52:03,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079603757]
[2024-12-02 08:52:03,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079603757] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:52:03,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:52:03,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 08:52:03,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074987968]
[2024-12-02 08:52:03,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:52:03,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 08:52:03,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 08:52:03,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 08:52:03,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-12-02 08:52:03,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 38
[2024-12-02 08:52:03,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 31 transitions, 97 flow. Second operand has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 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)
[2024-12-02 08:52:03,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:52:03,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 38
[2024-12-02 08:52:03,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:52:03,312 INFO L124 PetriNetUnfolderBase]: 169/368 cut-off events.
[2024-12-02 08:52:03,312 INFO L125 PetriNetUnfolderBase]: For 108/108 co-relation queries the response was YES.
[2024-12-02 08:52:03,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 368 events. 169/368 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1391 event pairs, 43 based on Foata normal form. 4/369 useless extension candidates. Maximal degree in co-relation 852. Up to 145 conditions per place.
[2024-12-02 08:52:03,314 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 26 selfloop transitions, 4 changer transitions 30/68 dead transitions.
[2024-12-02 08:52:03,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 68 transitions, 331 flow
[2024-12-02 08:52:03,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 08:52:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-12-02 08:52:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 160 transitions.
[2024-12-02 08:52:03,316 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4678362573099415
[2024-12-02 08:52:03,316 INFO L175 Difference]: Start difference. First operand has 52 places, 31 transitions, 97 flow. Second operand 9 states and 160 transitions.
[2024-12-02 08:52:03,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 68 transitions, 331 flow
[2024-12-02 08:52:03,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 68 transitions, 295 flow, removed 7 selfloop flow, removed 8 redundant places.
[2024-12-02 08:52:03,318 INFO L231 Difference]: Finished difference. Result has 52 places, 31 transitions, 102 flow
[2024-12-02 08:52:03,318 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=102, PETRI_PLACES=52, PETRI_TRANSITIONS=31}
[2024-12-02 08:52:03,319 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 11 predicate places.
[2024-12-02 08:52:03,319 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 31 transitions, 102 flow
[2024-12-02 08:52:03,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 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)
[2024-12-02 08:52:03,319 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:52:03,319 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:52:03,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 08:52:03,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:03,520 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] ===
[2024-12-02 08:52:03,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:52:03,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1756303950, now seen corresponding path program 3 times
[2024-12-02 08:52:03,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 08:52:03,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446151282]
[2024-12-02 08:52:03,521 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 08:52:03,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:03,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:52:03,522 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:52:03,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 08:52:03,591 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-12-02 08:52:03,592 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-12-02 08:52:03,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:52:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:52:03,663 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-12-02 08:52:03,663 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 08:52:03,664 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining)
[2024-12-02 08:52:03,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining)
[2024-12-02 08:52:03,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining)
[2024-12-02 08:52:03,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2024-12-02 08:52:03,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining)
[2024-12-02 08:52:03,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining)
[2024-12-02 08:52:03,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 08:52:03,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:52:03,867 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1]
[2024-12-02 08:52:03,918 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 08:52:03,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 08:52:03,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:52:03 BasicIcfg
[2024-12-02 08:52:03,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 08:52:03,924 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:52:03,924 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:52:03,925 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 08:52:03,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:59" (3/4) ...
[2024-12-02 08:52:03,927 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 08:52:03,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 08:52:03,929 INFO L158 Benchmark]: Toolchain (without parser) took 5558.21ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 68.4MB in the beginning and 109.8MB in the end (delta: -41.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB.
[2024-12-02 08:52:03,929 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:52:03,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.72ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 45.3MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 08:52:03,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.00ms. Allocated memory is still 92.3MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:52:03,930 INFO L158 Benchmark]: Boogie Preprocessor took 42.19ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 40.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:52:03,930 INFO L158 Benchmark]: RCFGBuilder took 690.74ms. Allocated memory is still 92.3MB. Free memory was 40.4MB in the beginning and 42.8MB in the end (delta: -2.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB.
[2024-12-02 08:52:03,930 INFO L158 Benchmark]: TraceAbstraction took 4364.31ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 42.3MB in the beginning and 109.8MB in the end (delta: -67.4MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB.
[2024-12-02 08:52:03,931 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 151.0MB. Free memory was 109.8MB in the beginning and 109.8MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:52:03,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 406.72ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 45.3MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 44.00ms. Allocated memory is still 92.3MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.19ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 40.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 690.74ms. Allocated memory is still 92.3MB. Free memory was 40.4MB in the beginning and 42.8MB in the end (delta: -2.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 4364.31ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 42.3MB in the beginning and 109.8MB in the end (delta: -67.4MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB.
* Witness Printer took 4.04ms. Allocated memory is still 151.0MB. Free memory was 109.8MB in the beginning and 109.8MB in the end (delta: 17.6kB). 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_p0_EAX = 0;
[L712] 0 int __unbuffered_p0_EBX = 0;
[L714] 0 int __unbuffered_p1_EAX = 0;
[L716] 0 int __unbuffered_p1_EBX = 0;
[L717] 0 _Bool main$tmp_guard0;
[L718] 0 _Bool main$tmp_guard1;
[L720] 0 int x = 0;
[L722] 0 int y = 0;
[L724] 0 int z = 0;
[L725] 0 _Bool z$flush_delayed;
[L726] 0 int z$mem_tmp;
[L727] 0 _Bool z$r_buff0_thd0;
[L728] 0 _Bool z$r_buff0_thd1;
[L729] 0 _Bool z$r_buff0_thd2;
[L730] 0 _Bool z$r_buff1_thd0;
[L731] 0 _Bool z$r_buff1_thd1;
[L732] 0 _Bool z$r_buff1_thd2;
[L733] 0 _Bool z$read_delayed;
[L734] 0 int *z$read_delayed_var;
[L735] 0 int z$w_buff0;
[L736] 0 _Bool z$w_buff0_used;
[L737] 0 int z$w_buff1;
[L738] 0 _Bool z$w_buff1_used;
[L739] 0 _Bool weak$$choice0;
[L740] 0 _Bool weak$$choice2;
[L822] 0 pthread_t t241;
[L823] FCALL, FORK 0 pthread_create(&t241, ((void *)0), P0, ((void *)0))
VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t241=31, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L744] 1 z$w_buff1 = z$w_buff0
[L745] 1 z$w_buff0 = 1
[L746] 1 z$w_buff1_used = z$w_buff0_used
[L747] 1 z$w_buff0_used = (_Bool)1
[L748] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L18] COND FALSE 1 !(!expression)
[L748] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L749] 1 z$r_buff1_thd0 = z$r_buff0_thd0
[L750] 1 z$r_buff1_thd1 = z$r_buff0_thd1
[L751] 1 z$r_buff1_thd2 = z$r_buff0_thd2
[L752] 1 z$r_buff0_thd1 = (_Bool)1
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L755] 1 x = 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L758] 1 __unbuffered_p0_EAX = x
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L761] 1 __unbuffered_p0_EBX = y
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L824] 0 pthread_t t242;
[L825] FCALL, FORK 0 pthread_create(&t242, ((void *)0), P1, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t241=31, t242=32, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L778] 2 y = 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L781] 2 __unbuffered_p1_EAX = y
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L784] 2 weak$$choice0 = __VERIFIER_nondet_bool()
[L785] 2 weak$$choice2 = __VERIFIER_nondet_bool()
[L786] 2 z$flush_delayed = weak$$choice2
[L787] 2 z$mem_tmp = z
[L788] 2 z = !z$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)
[L789] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0))
[L790] 2 z$w_buff1 = weak$$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$w_buff1))
[L791] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used))
[L792] 2 z$w_buff1_used = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L793] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2))
[L794] 2 z$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L795] 2 __unbuffered_p1_EBX = z
[L796] 2 z = z$flush_delayed ? z$mem_tmp : z
[L797] 2 z$flush_delayed = (_Bool)0
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=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=1, 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]
[L800] 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)
[L801] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used
[L802] 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
[L803] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2
[L804] 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_p0_EAX=1, __unbuffered_p0_EBX=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=1, 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]
[L764] 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)
[L765] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used
[L766] 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
[L767] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1
[L768] 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_p0_EAX=1, __unbuffered_p0_EBX=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=1, 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]
[L807] 2 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=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=1, 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]
[L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=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=1, 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]
[L827] 0 main$tmp_guard0 = __unbuffered_cnt == 2
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t241=31, t242=32, weak$$choice0=0, weak$$choice2=1, x=1, 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]
[L829] CALL 0 assume_abort_if_not(main$tmp_guard0)
[L3] COND FALSE 0 !(!cond)
[L829] RET 0 assume_abort_if_not(main$tmp_guard0)
[L831] 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)
[L832] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L833] 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
[L834] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L835] 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_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t241=31, t242=32, weak$$choice0=0, weak$$choice2=1, x=1, 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]
[L838] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0)
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t241=31, t242=32, weak$$choice0=0, weak$$choice2=1, x=1, 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]
[L840] CALL 0 __VERIFIER_assert(main$tmp_guard1)
[L18] COND TRUE 0 !expression
[L18] CALL 0 reach_error()
[L17] COND FALSE 0 !(0)
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, 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", "mix009.oepc.c", 8, __extension__ __PRETTY_FUNCTION__)
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __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=1, 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: 820]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: 823]: 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: 825]: 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, 57 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: 4.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 646 IncrementalHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2 mSDtfsCounter, 646 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 421 SizeOfPredicates, 15 NumberOfNonLiveVariables, 511 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, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-12-02 08:52:03,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe73eb54-644b-4bdb-aa31-c53bbd658905/bin/uautomizer-verify-84ZbGMXZE1/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