./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/triangular-longest-1.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_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/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_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/triangular-longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/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_53abafaa-3717-4b62-82f2-e9bc04b77c35/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 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:53:11,681 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:53:11,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-12-02 11:53:11,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:53:11,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:53:11,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:53:11,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:53:11,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:53:11,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:53:11,765 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:53:11,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:53:11,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:53:11,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:53:11,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-12-02 11:53:11,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:53:11,767 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:53:11,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:53:11,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:53:11,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:53:11,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:53:11,768 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_53abafaa-3717-4b62-82f2-e9bc04b77c35/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 -> 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683
[2024-12-02 11:53:12,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:53:12,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:53:12,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:53:12,014 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:53:12,015 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:53:12,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread/triangular-longest-1.i
[2024-12-02 11:53:14,660 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/data/a6dc14e1a/8189c8d336954332afea912dcdca3704/FLAGe7ceb134c
[2024-12-02 11:53:14,928 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:53:14,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/sv-benchmarks/c/pthread/triangular-longest-1.i
[2024-12-02 11:53:14,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/data/a6dc14e1a/8189c8d336954332afea912dcdca3704/FLAGe7ceb134c
[2024-12-02 11:53:15,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/data/a6dc14e1a/8189c8d336954332afea912dcdca3704
[2024-12-02 11:53:15,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:53:15,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:53:15,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:53:15,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:53:15,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:53:15,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70151063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15, skipping insertion in model container
[2024-12-02 11:53:15,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,256 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:53:15,506 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:53:15,514 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 11:53:15,548 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:53:15,579 INFO L204 MainTranslator]: Completed translation
[2024-12-02 11:53:15,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15 WrapperNode
[2024-12-02 11:53:15,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:53:15,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:53:15,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:53:15,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:53:15,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,611 INFO L138 Inliner]: procedures = 168, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39
[2024-12-02 11:53:15,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:53:15,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:53:15,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:53:15,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:53:15,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,628 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 11:53:15,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,633 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:53:15,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:53:15,639 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:53:15,639 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:53:15,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (1/1) ...
[2024-12-02 11:53:15,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:53:15,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:15,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:53:15,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:53:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure t1
[2024-12-02 11:53:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure t1
[2024-12-02 11:53:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure t2
[2024-12-02 11:53:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t2
[2024-12-02 11:53:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 11:53:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:53:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:53:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 11:53:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:53:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:53:15,689 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 11:53:15,781 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 11:53:15,783 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:53:15,884 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 11:53:15,884 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 11:53:15,948 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:53:15,949 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 11:53:15,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:53:15 BoogieIcfgContainer
[2024-12-02 11:53:15,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:53:15,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:53:15,951 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:53:15,954 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:53:15,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:53:15" (1/3) ...
[2024-12-02 11:53:15,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3879e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:53:15, skipping insertion in model container
[2024-12-02 11:53:15,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:15" (2/3) ...
[2024-12-02 11:53:15,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3879e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:53:15, skipping insertion in model container
[2024-12-02 11:53:15,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:53:15" (3/3) ...
[2024-12-02 11:53:15,956 INFO L128 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i
[2024-12-02 11:53:15,966 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:53:15,967 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG triangular-longest-1.i that has 3 procedures, 26 locations, 1 initial locations, 2 loop locations, and 2 error locations.
[2024-12-02 11:53:15,967 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 11:53:16,003 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 11:53:16,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 29 transitions, 66 flow
[2024-12-02 11:53:16,056 INFO L124 PetriNetUnfolderBase]: 4/27 cut-off events.
[2024-12-02 11:53:16,058 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 11:53:16,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 27 events. 4/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place.
[2024-12-02 11:53:16,061 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 29 transitions, 66 flow
[2024-12-02 11:53:16,064 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 27 transitions, 60 flow
[2024-12-02 11:53:16,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:53:16,080 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;@59cfa1a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:53:16,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 11:53:16,089 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 11:53:16,089 INFO L124 PetriNetUnfolderBase]: 4/24 cut-off events.
[2024-12-02 11:53:16,089 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 11:53:16,089 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:16,090 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:16,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:16,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:16,095 INFO L85 PathProgramCache]: Analyzing trace with hash -704578515, now seen corresponding path program 1 times
[2024-12-02 11:53:16,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:16,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244153142]
[2024-12-02 11:53:16,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:16,276 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 11:53:16,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:16,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244153142]
[2024-12-02 11:53:16,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244153142] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:16,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:16,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 11:53:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813799546]
[2024-12-02 11:53:16,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:16,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:53:16,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:16,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:53:16,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:53:16,302 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 29
[2024-12-02 11:53:16,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 11:53:16,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:16,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 29
[2024-12-02 11:53:16,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:16,367 INFO L124 PetriNetUnfolderBase]: 70/159 cut-off events.
[2024-12-02 11:53:16,367 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-12-02 11:53:16,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 159 events. 70/159 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 568 event pairs, 44 based on Foata normal form. 15/162 useless extension candidates. Maximal degree in co-relation 274. Up to 113 conditions per place.
[2024-12-02 11:53:16,369 INFO L140 encePairwiseOnDemand]: 25/29 looper letters, 11 selfloop transitions, 1 changer transitions 1/23 dead transitions.
[2024-12-02 11:53:16,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 23 transitions, 78 flow
[2024-12-02 11:53:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:53:16,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 11:53:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions.
[2024-12-02 11:53:16,378 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5977011494252874
[2024-12-02 11:53:16,379 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 60 flow. Second operand 3 states and 52 transitions.
[2024-12-02 11:53:16,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 23 transitions, 78 flow
[2024-12-02 11:53:16,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 11:53:16,384 INFO L231 Difference]: Finished difference. Result has 28 places, 22 transitions, 50 flow
[2024-12-02 11:53:16,385 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=28, PETRI_TRANSITIONS=22}
[2024-12-02 11:53:16,388 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places.
[2024-12-02 11:53:16,388 INFO L471 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 50 flow
[2024-12-02 11:53:16,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 11:53:16,388 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:16,388 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:16,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 11:53:16,389 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:16,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash -704577352, now seen corresponding path program 1 times
[2024-12-02 11:53:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:16,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942061918]
[2024-12-02 11:53:16,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:16,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:16,572 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 11:53:16,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:16,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942061918]
[2024-12-02 11:53:16,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942061918] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:16,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:16,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:53:16,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364558102]
[2024-12-02 11:53:16,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:16,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:53:16,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:16,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:53:16,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:53:16,597 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:16,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 50 flow. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 11:53:16,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:16,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:16,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:16,808 INFO L124 PetriNetUnfolderBase]: 273/488 cut-off events.
[2024-12-02 11:53:16,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 11:53:16,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 488 events. 273/488 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2002 event pairs, 45 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 922. Up to 181 conditions per place.
[2024-12-02 11:53:16,812 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 25 selfloop transitions, 4 changer transitions 21/54 dead transitions.
[2024-12-02 11:53:16,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 54 transitions, 212 flow
[2024-12-02 11:53:16,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 11:53:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 11:53:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 99 transitions.
[2024-12-02 11:53:16,815 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5689655172413793
[2024-12-02 11:53:16,815 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 50 flow. Second operand 6 states and 99 transitions.
[2024-12-02 11:53:16,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 54 transitions, 212 flow
[2024-12-02 11:53:16,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 54 transitions, 211 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 11:53:16,818 INFO L231 Difference]: Finished difference. Result has 35 places, 23 transitions, 74 flow
[2024-12-02 11:53:16,819 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=74, PETRI_PLACES=35, PETRI_TRANSITIONS=23}
[2024-12-02 11:53:16,820 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 5 predicate places.
[2024-12-02 11:53:16,820 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 23 transitions, 74 flow
[2024-12-02 11:53:16,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 11:53:16,820 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:16,820 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:16,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:53:16,821 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:16,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:16,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1380359534, now seen corresponding path program 1 times
[2024-12-02 11:53:16,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:16,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648309267]
[2024-12-02 11:53:16,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:16,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:16,981 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 11:53:16,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:16,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648309267]
[2024-12-02 11:53:16,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648309267] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:16,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:16,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:53:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351103786]
[2024-12-02 11:53:16,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:16,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:53:16,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:16,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:53:16,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:53:17,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:17,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 23 transitions, 74 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 11:53:17,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:17,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:17,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:17,275 INFO L124 PetriNetUnfolderBase]: 382/705 cut-off events.
[2024-12-02 11:53:17,275 INFO L125 PetriNetUnfolderBase]: For 276/276 co-relation queries the response was YES.
[2024-12-02 11:53:17,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1603 conditions, 705 events. 382/705 cut-off events. For 276/276 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3087 event pairs, 65 based on Foata normal form. 27/728 useless extension candidates. Maximal degree in co-relation 1592. Up to 246 conditions per place.
[2024-12-02 11:53:17,281 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 46 selfloop transitions, 9 changer transitions 20/79 dead transitions.
[2024-12-02 11:53:17,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 79 transitions, 382 flow
[2024-12-02 11:53:17,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 11:53:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-12-02 11:53:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 144 transitions.
[2024-12-02 11:53:17,284 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5517241379310345
[2024-12-02 11:53:17,284 INFO L175 Difference]: Start difference. First operand has 35 places, 23 transitions, 74 flow. Second operand 9 states and 144 transitions.
[2024-12-02 11:53:17,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 79 transitions, 382 flow
[2024-12-02 11:53:17,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 79 transitions, 366 flow, removed 8 selfloop flow, removed 2 redundant places.
[2024-12-02 11:53:17,290 INFO L231 Difference]: Finished difference. Result has 44 places, 32 transitions, 159 flow
[2024-12-02 11:53:17,290 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=159, PETRI_PLACES=44, PETRI_TRANSITIONS=32}
[2024-12-02 11:53:17,291 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 14 predicate places.
[2024-12-02 11:53:17,291 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 159 flow
[2024-12-02 11:53:17,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 11:53:17,292 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:17,292 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:17,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:53:17,292 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:17,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:17,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1497371246, now seen corresponding path program 2 times
[2024-12-02 11:53:17,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:17,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115986614]
[2024-12-02 11:53:17,293 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:53:17,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:17,308 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 11:53:17,308 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:17,433 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 11:53:17,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:17,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115986614]
[2024-12-02 11:53:17,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115986614] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:17,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:17,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:53:17,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552110958]
[2024-12-02 11:53:17,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:17,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:53:17,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:17,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:53:17,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:53:17,451 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:17,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 159 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 11:53:17,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:17,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:17,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:17,693 INFO L124 PetriNetUnfolderBase]: 328/612 cut-off events.
[2024-12-02 11:53:17,693 INFO L125 PetriNetUnfolderBase]: For 971/971 co-relation queries the response was YES.
[2024-12-02 11:53:17,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1742 conditions, 612 events. 328/612 cut-off events. For 971/971 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2609 event pairs, 65 based on Foata normal form. 45/653 useless extension candidates. Maximal degree in co-relation 1724. Up to 234 conditions per place.
[2024-12-02 11:53:17,698 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 38 selfloop transitions, 9 changer transitions 28/79 dead transitions.
[2024-12-02 11:53:17,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 79 transitions, 499 flow
[2024-12-02 11:53:17,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 11:53:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-12-02 11:53:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 127 transitions.
[2024-12-02 11:53:17,700 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5474137931034483
[2024-12-02 11:53:17,700 INFO L175 Difference]: Start difference. First operand has 44 places, 32 transitions, 159 flow. Second operand 8 states and 127 transitions.
[2024-12-02 11:53:17,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 79 transitions, 499 flow
[2024-12-02 11:53:17,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 79 transitions, 491 flow, removed 4 selfloop flow, removed 2 redundant places.
[2024-12-02 11:53:17,707 INFO L231 Difference]: Finished difference. Result has 51 places, 34 transitions, 213 flow
[2024-12-02 11:53:17,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=213, PETRI_PLACES=51, PETRI_TRANSITIONS=34}
[2024-12-02 11:53:17,707 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 21 predicate places.
[2024-12-02 11:53:17,708 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 34 transitions, 213 flow
[2024-12-02 11:53:17,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 11:53:17,708 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:17,708 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:17,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 11:53:17,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:17,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:17,709 INFO L85 PathProgramCache]: Analyzing trace with hash -160173143, now seen corresponding path program 1 times
[2024-12-02 11:53:17,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:17,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649118717]
[2024-12-02 11:53:17,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:17,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:17,841 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 11:53:17,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:17,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649118717]
[2024-12-02 11:53:17,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649118717] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:17,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:17,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:53:17,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92586680]
[2024-12-02 11:53:17,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:17,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 11:53:17,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:17,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 11:53:17,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:53:17,857 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:17,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 34 transitions, 213 flow. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 11:53:17,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:17,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:17,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:18,076 INFO L124 PetriNetUnfolderBase]: 355/663 cut-off events.
[2024-12-02 11:53:18,076 INFO L125 PetriNetUnfolderBase]: For 1747/1747 co-relation queries the response was YES.
[2024-12-02 11:53:18,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2070 conditions, 663 events. 355/663 cut-off events. For 1747/1747 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2911 event pairs, 86 based on Foata normal form. 18/677 useless extension candidates. Maximal degree in co-relation 2047. Up to 258 conditions per place.
[2024-12-02 11:53:18,080 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 43 selfloop transitions, 16 changer transitions 21/84 dead transitions.
[2024-12-02 11:53:18,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 84 transitions, 600 flow
[2024-12-02 11:53:18,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 11:53:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-12-02 11:53:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 140 transitions.
[2024-12-02 11:53:18,082 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5363984674329502
[2024-12-02 11:53:18,082 INFO L175 Difference]: Start difference. First operand has 51 places, 34 transitions, 213 flow. Second operand 9 states and 140 transitions.
[2024-12-02 11:53:18,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 84 transitions, 600 flow
[2024-12-02 11:53:18,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 84 transitions, 530 flow, removed 24 selfloop flow, removed 7 redundant places.
[2024-12-02 11:53:18,088 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 300 flow
[2024-12-02 11:53:18,089 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=300, PETRI_PLACES=54, PETRI_TRANSITIONS=42}
[2024-12-02 11:53:18,089 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 24 predicate places.
[2024-12-02 11:53:18,089 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 300 flow
[2024-12-02 11:53:18,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 11:53:18,090 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:18,090 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:18,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 11:53:18,090 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:18,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash 933707891, now seen corresponding path program 2 times
[2024-12-02 11:53:18,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:18,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289072243]
[2024-12-02 11:53:18,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:53:18,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:18,102 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 11:53:18,102 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:18,193 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 11:53:18,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:18,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289072243]
[2024-12-02 11:53:18,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289072243] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:18,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:18,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:53:18,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914749754]
[2024-12-02 11:53:18,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:18,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 11:53:18,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:18,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 11:53:18,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:53:18,211 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:18,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 300 flow. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 11:53:18,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:18,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:18,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:18,491 INFO L124 PetriNetUnfolderBase]: 463/852 cut-off events.
[2024-12-02 11:53:18,491 INFO L125 PetriNetUnfolderBase]: For 2576/2576 co-relation queries the response was YES.
[2024-12-02 11:53:18,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 852 events. 463/852 cut-off events. For 2576/2576 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3828 event pairs, 59 based on Foata normal form. 27/874 useless extension candidates. Maximal degree in co-relation 2727. Up to 154 conditions per place.
[2024-12-02 11:53:18,497 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 44 selfloop transitions, 25 changer transitions 30/103 dead transitions.
[2024-12-02 11:53:18,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 103 transitions, 764 flow
[2024-12-02 11:53:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 11:53:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2024-12-02 11:53:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 171 transitions.
[2024-12-02 11:53:18,498 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5360501567398119
[2024-12-02 11:53:18,498 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 300 flow. Second operand 11 states and 171 transitions.
[2024-12-02 11:53:18,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 103 transitions, 764 flow
[2024-12-02 11:53:18,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 103 transitions, 716 flow, removed 20 selfloop flow, removed 3 redundant places.
[2024-12-02 11:53:18,508 INFO L231 Difference]: Finished difference. Result has 66 places, 48 transitions, 424 flow
[2024-12-02 11:53:18,508 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=424, PETRI_PLACES=66, PETRI_TRANSITIONS=48}
[2024-12-02 11:53:18,509 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 36 predicate places.
[2024-12-02 11:53:18,509 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 48 transitions, 424 flow
[2024-12-02 11:53:18,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 11:53:18,509 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:18,509 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:18,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 11:53:18,510 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:18,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:18,510 INFO L85 PathProgramCache]: Analyzing trace with hash 97501963, now seen corresponding path program 1 times
[2024-12-02 11:53:18,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:18,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556323626]
[2024-12-02 11:53:18,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:18,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:18,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:18,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556323626]
[2024-12-02 11:53:18,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556323626] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:53:18,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110692780]
[2024-12-02 11:53:18,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:18,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:18,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:18,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:53:18,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 11:53:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:18,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 11:53:18,708 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:53:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:18,788 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:53:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:18,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110692780] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:53:18,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:53:18,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12
[2024-12-02 11:53:18,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807725287]
[2024-12-02 11:53:18,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:53:18,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 11:53:18,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:18,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 11:53:18,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-12-02 11:53:18,988 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:18,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 48 transitions, 424 flow. Second operand has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 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 11:53:18,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:18,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:18,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:19,492 INFO L124 PetriNetUnfolderBase]: 589/1101 cut-off events.
[2024-12-02 11:53:19,492 INFO L125 PetriNetUnfolderBase]: For 7230/7230 co-relation queries the response was YES.
[2024-12-02 11:53:19,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4285 conditions, 1101 events. 589/1101 cut-off events. For 7230/7230 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4777 event pairs, 137 based on Foata normal form. 63/1160 useless extension candidates. Maximal degree in co-relation 4255. Up to 486 conditions per place.
[2024-12-02 11:53:19,501 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 64 selfloop transitions, 19 changer transitions 67/154 dead transitions.
[2024-12-02 11:53:19,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 154 transitions, 1384 flow
[2024-12-02 11:53:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-12-02 11:53:19,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states.
[2024-12-02 11:53:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 288 transitions.
[2024-12-02 11:53:19,503 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5226860254083484
[2024-12-02 11:53:19,503 INFO L175 Difference]: Start difference. First operand has 66 places, 48 transitions, 424 flow. Second operand 19 states and 288 transitions.
[2024-12-02 11:53:19,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 154 transitions, 1384 flow
[2024-12-02 11:53:19,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 154 transitions, 1305 flow, removed 32 selfloop flow, removed 5 redundant places.
[2024-12-02 11:53:19,521 INFO L231 Difference]: Finished difference. Result has 89 places, 54 transitions, 560 flow
[2024-12-02 11:53:19,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=560, PETRI_PLACES=89, PETRI_TRANSITIONS=54}
[2024-12-02 11:53:19,522 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 59 predicate places.
[2024-12-02 11:53:19,522 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 54 transitions, 560 flow
[2024-12-02 11:53:19,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 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 11:53:19,522 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:19,523 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:19,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 11:53:19,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:19,723 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:19,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:19,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1100492635, now seen corresponding path program 2 times
[2024-12-02 11:53:19,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:19,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100185939]
[2024-12-02 11:53:19,724 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:53:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:19,737 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 11:53:19,737 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:19,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:19,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:19,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100185939]
[2024-12-02 11:53:19,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100185939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:19,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:19,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 11:53:19,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460446218]
[2024-12-02 11:53:19,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:19,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 11:53:19,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:19,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 11:53:19,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-12-02 11:53:19,882 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:19,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 54 transitions, 560 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:19,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:19,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:19,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:20,299 INFO L124 PetriNetUnfolderBase]: 670/1277 cut-off events.
[2024-12-02 11:53:20,299 INFO L125 PetriNetUnfolderBase]: For 19712/19712 co-relation queries the response was YES.
[2024-12-02 11:53:20,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6235 conditions, 1277 events. 670/1277 cut-off events. For 19712/19712 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6164 event pairs, 132 based on Foata normal form. 27/1300 useless extension candidates. Maximal degree in co-relation 6194. Up to 483 conditions per place.
[2024-12-02 11:53:20,312 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 76 selfloop transitions, 25 changer transitions 31/136 dead transitions.
[2024-12-02 11:53:20,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 136 transitions, 1552 flow
[2024-12-02 11:53:20,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-02 11:53:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2024-12-02 11:53:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 232 transitions.
[2024-12-02 11:53:20,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333
[2024-12-02 11:53:20,314 INFO L175 Difference]: Start difference. First operand has 89 places, 54 transitions, 560 flow. Second operand 15 states and 232 transitions.
[2024-12-02 11:53:20,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 136 transitions, 1552 flow
[2024-12-02 11:53:20,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 136 transitions, 1251 flow, removed 138 selfloop flow, removed 12 redundant places.
[2024-12-02 11:53:20,345 INFO L231 Difference]: Finished difference. Result has 91 places, 60 transitions, 624 flow
[2024-12-02 11:53:20,345 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=433, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=624, PETRI_PLACES=91, PETRI_TRANSITIONS=60}
[2024-12-02 11:53:20,346 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 61 predicate places.
[2024-12-02 11:53:20,346 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 60 transitions, 624 flow
[2024-12-02 11:53:20,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:20,346 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:20,346 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:20,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 11:53:20,346 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:20,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:20,347 INFO L85 PathProgramCache]: Analyzing trace with hash -966709805, now seen corresponding path program 3 times
[2024-12-02 11:53:20,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:20,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098418205]
[2024-12-02 11:53:20,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:53:20,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:20,360 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-12-02 11:53:20,360 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:20,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:20,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098418205]
[2024-12-02 11:53:20,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098418205] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:53:20,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378869763]
[2024-12-02 11:53:20,479 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:53:20,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:20,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:20,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:53:20,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 11:53:20,537 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-12-02 11:53:20,537 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:20,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 11:53:20,539 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:53:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:20,589 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:53:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:20,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378869763] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:53:20,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:53:20,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13
[2024-12-02 11:53:20,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921555828]
[2024-12-02 11:53:20,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:53:20,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 11:53:20,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:20,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 11:53:20,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182
[2024-12-02 11:53:20,731 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:20,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 60 transitions, 624 flow. Second operand has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 14 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:20,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:20,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:20,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:21,492 INFO L124 PetriNetUnfolderBase]: 973/1789 cut-off events.
[2024-12-02 11:53:21,492 INFO L125 PetriNetUnfolderBase]: For 26627/26627 co-relation queries the response was YES.
[2024-12-02 11:53:21,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8715 conditions, 1789 events. 973/1789 cut-off events. For 26627/26627 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 9123 event pairs, 96 based on Foata normal form. 81/1866 useless extension candidates. Maximal degree in co-relation 8674. Up to 269 conditions per place.
[2024-12-02 11:53:21,504 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 85 selfloop transitions, 54 changer transitions 81/224 dead transitions.
[2024-12-02 11:53:21,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 224 transitions, 2567 flow
[2024-12-02 11:53:21,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-12-02 11:53:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states.
[2024-12-02 11:53:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 388 transitions.
[2024-12-02 11:53:21,507 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5351724137931034
[2024-12-02 11:53:21,507 INFO L175 Difference]: Start difference. First operand has 91 places, 60 transitions, 624 flow. Second operand 25 states and 388 transitions.
[2024-12-02 11:53:21,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 224 transitions, 2567 flow
[2024-12-02 11:53:21,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 224 transitions, 2347 flow, removed 94 selfloop flow, removed 8 redundant places.
[2024-12-02 11:53:21,550 INFO L231 Difference]: Finished difference. Result has 120 places, 81 transitions, 1072 flow
[2024-12-02 11:53:21,550 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=1072, PETRI_PLACES=120, PETRI_TRANSITIONS=81}
[2024-12-02 11:53:21,551 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 90 predicate places.
[2024-12-02 11:53:21,551 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 81 transitions, 1072 flow
[2024-12-02 11:53:21,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 14 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:21,551 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:21,551 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:21,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 11:53:21,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:21,752 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:21,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash 285681605, now seen corresponding path program 1 times
[2024-12-02 11:53:21,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:21,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476944635]
[2024-12-02 11:53:21,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:21,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:21,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:21,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476944635]
[2024-12-02 11:53:21,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476944635] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:53:21,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822851130]
[2024-12-02 11:53:21,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:21,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:21,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:21,880 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:53:21,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 11:53:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:21,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 11:53:21,935 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:53:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:21,998 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:53:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:22,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822851130] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:53:22,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:53:22,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15
[2024-12-02 11:53:22,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971289159]
[2024-12-02 11:53:22,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:53:22,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-12-02 11:53:22,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:22,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-12-02 11:53:22,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240
[2024-12-02 11:53:22,150 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:22,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 81 transitions, 1072 flow. Second operand has 16 states, 16 states have (on average 10.375) internal successors, (166), 16 states have internal predecessors, (166), 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 11:53:22,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:22,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:22,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:22,923 INFO L124 PetriNetUnfolderBase]: 1369/2571 cut-off events.
[2024-12-02 11:53:22,923 INFO L125 PetriNetUnfolderBase]: For 77683/77683 co-relation queries the response was YES.
[2024-12-02 11:53:22,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15554 conditions, 2571 events. 1369/2571 cut-off events. For 77683/77683 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 14489 event pairs, 70 based on Foata normal form. 72/2639 useless extension candidates. Maximal degree in co-relation 15501. Up to 458 conditions per place.
[2024-12-02 11:53:22,938 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 92 selfloop transitions, 84 changer transitions 88/268 dead transitions.
[2024-12-02 11:53:22,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 268 transitions, 4200 flow
[2024-12-02 11:53:22,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-12-02 11:53:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2024-12-02 11:53:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 425 transitions.
[2024-12-02 11:53:22,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5233990147783252
[2024-12-02 11:53:22,940 INFO L175 Difference]: Start difference. First operand has 120 places, 81 transitions, 1072 flow. Second operand 28 states and 425 transitions.
[2024-12-02 11:53:22,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 268 transitions, 4200 flow
[2024-12-02 11:53:23,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 268 transitions, 3452 flow, removed 348 selfloop flow, removed 17 redundant places.
[2024-12-02 11:53:23,037 INFO L231 Difference]: Finished difference. Result has 141 places, 117 transitions, 1798 flow
[2024-12-02 11:53:23,038 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1798, PETRI_PLACES=141, PETRI_TRANSITIONS=117}
[2024-12-02 11:53:23,038 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 111 predicate places.
[2024-12-02 11:53:23,038 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 117 transitions, 1798 flow
[2024-12-02 11:53:23,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.375) internal successors, (166), 16 states have internal predecessors, (166), 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 11:53:23,039 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:23,039 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:23,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 11:53:23,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-02 11:53:23,239 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:23,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:23,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1557311197, now seen corresponding path program 2 times
[2024-12-02 11:53:23,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:23,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683980186]
[2024-12-02 11:53:23,240 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:53:23,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:23,249 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:53:23,249 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:23,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:23,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683980186]
[2024-12-02 11:53:23,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683980186] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:53:23,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764652850]
[2024-12-02 11:53:23,375 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:53:23,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:23,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:23,376 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:53:23,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 11:53:23,428 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:53:23,428 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:23,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 11:53:23,430 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:53:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:23,479 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:53:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:23,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764652850] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:53:23,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:53:23,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19
[2024-12-02 11:53:23,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080837688]
[2024-12-02 11:53:23,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:53:23,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-12-02 11:53:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:23,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-12-02 11:53:23,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380
[2024-12-02 11:53:23,632 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:23,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 117 transitions, 1798 flow. Second operand has 20 states, 20 states have (on average 10.05) internal successors, (201), 20 states have internal predecessors, (201), 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 11:53:23,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:23,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:23,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:24,869 INFO L124 PetriNetUnfolderBase]: 1918/3588 cut-off events.
[2024-12-02 11:53:24,869 INFO L125 PetriNetUnfolderBase]: For 195221/195221 co-relation queries the response was YES.
[2024-12-02 11:53:24,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26037 conditions, 3588 events. 1918/3588 cut-off events. For 195221/195221 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 19544 event pairs, 46 based on Foata normal form. 99/3683 useless extension candidates. Maximal degree in co-relation 25974. Up to 698 conditions per place.
[2024-12-02 11:53:24,903 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 132 selfloop transitions, 130 changer transitions 134/400 dead transitions.
[2024-12-02 11:53:24,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 400 transitions, 7460 flow
[2024-12-02 11:53:24,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2024-12-02 11:53:24,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states.
[2024-12-02 11:53:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 657 transitions.
[2024-12-02 11:53:24,906 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5268644747393745
[2024-12-02 11:53:24,906 INFO L175 Difference]: Start difference. First operand has 141 places, 117 transitions, 1798 flow. Second operand 43 states and 657 transitions.
[2024-12-02 11:53:24,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 400 transitions, 7460 flow
[2024-12-02 11:53:25,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 400 transitions, 5730 flow, removed 828 selfloop flow, removed 16 redundant places.
[2024-12-02 11:53:25,108 INFO L231 Difference]: Finished difference. Result has 189 places, 157 transitions, 2749 flow
[2024-12-02 11:53:25,108 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=2749, PETRI_PLACES=189, PETRI_TRANSITIONS=157}
[2024-12-02 11:53:25,109 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 159 predicate places.
[2024-12-02 11:53:25,109 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 157 transitions, 2749 flow
[2024-12-02 11:53:25,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.05) internal successors, (201), 20 states have internal predecessors, (201), 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 11:53:25,109 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:25,109 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:25,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 11:53:25,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-12-02 11:53:25,310 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:25,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:25,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1541726609, now seen corresponding path program 3 times
[2024-12-02 11:53:25,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:25,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413452505]
[2024-12-02 11:53:25,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:53:25,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:25,328 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s)
[2024-12-02 11:53:25,328 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:25,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:25,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413452505]
[2024-12-02 11:53:25,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413452505] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:53:25,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691085438]
[2024-12-02 11:53:25,605 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:53:25,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:25,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:25,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:53:25,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 11:53:25,670 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s)
[2024-12-02 11:53:25,670 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:25,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-12-02 11:53:25,673 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:53:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:25,780 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:53:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:53:26,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691085438] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:53:26,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:53:26,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34
[2024-12-02 11:53:26,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159846948]
[2024-12-02 11:53:26,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:53:26,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2024-12-02 11:53:26,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:26,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2024-12-02 11:53:26,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=924, Unknown=0, NotChecked=0, Total=1190
[2024-12-02 11:53:26,176 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:26,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 157 transitions, 2749 flow. Second operand has 35 states, 35 states have (on average 10.0) internal successors, (350), 35 states have internal predecessors, (350), 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 11:53:26,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:26,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:26,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:28,747 INFO L124 PetriNetUnfolderBase]: 3007/5535 cut-off events.
[2024-12-02 11:53:28,747 INFO L125 PetriNetUnfolderBase]: For 495540/495540 co-relation queries the response was YES.
[2024-12-02 11:53:28,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47844 conditions, 5535 events. 3007/5535 cut-off events. For 495540/495540 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 28191 event pairs, 38 based on Foata normal form. 135/5666 useless extension candidates. Maximal degree in co-relation 47759. Up to 1109 conditions per place.
[2024-12-02 11:53:28,782 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 217 selfloop transitions, 197 changer transitions 210/628 dead transitions.
[2024-12-02 11:53:28,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 628 transitions, 13839 flow
[2024-12-02 11:53:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states.
[2024-12-02 11:53:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states.
[2024-12-02 11:53:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 1083 transitions.
[2024-12-02 11:53:28,785 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5259834871296746
[2024-12-02 11:53:28,785 INFO L175 Difference]: Start difference. First operand has 189 places, 157 transitions, 2749 flow. Second operand 71 states and 1083 transitions.
[2024-12-02 11:53:28,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 628 transitions, 13839 flow
[2024-12-02 11:53:29,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 628 transitions, 11051 flow, removed 1368 selfloop flow, removed 20 redundant places.
[2024-12-02 11:53:29,299 INFO L231 Difference]: Finished difference. Result has 271 places, 226 transitions, 4567 flow
[2024-12-02 11:53:29,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=1979, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=71, PETRI_FLOW=4567, PETRI_PLACES=271, PETRI_TRANSITIONS=226}
[2024-12-02 11:53:29,299 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 241 predicate places.
[2024-12-02 11:53:29,300 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 226 transitions, 4567 flow
[2024-12-02 11:53:29,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 10.0) internal successors, (350), 35 states have internal predecessors, (350), 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 11:53:29,300 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:29,300 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 13, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:29,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 11:53:29,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-12-02 11:53:29,500 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:29,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:29,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1365728578, now seen corresponding path program 4 times
[2024-12-02 11:53:29,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:29,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681775273]
[2024-12-02 11:53:29,501 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 11:53:29,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:29,520 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 11:53:29,520 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:30,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:30,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681775273]
[2024-12-02 11:53:30,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681775273] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:53:30,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994137263]
[2024-12-02 11:53:30,292 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 11:53:30,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:30,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:30,294 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:53:30,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 11:53:30,356 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 11:53:30,356 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:30,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-02 11:53:30,360 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:53:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:30,615 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:53:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:31,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994137263] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:53:31,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:53:31,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 48
[2024-12-02 11:53:31,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511928680]
[2024-12-02 11:53:31,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:53:31,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states
[2024-12-02 11:53:31,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:31,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2024-12-02 11:53:31,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=1783, Unknown=0, NotChecked=0, Total=2352
[2024-12-02 11:53:31,298 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:31,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 226 transitions, 4567 flow. Second operand has 49 states, 49 states have (on average 10.183673469387756) internal successors, (499), 49 states have internal predecessors, (499), 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 11:53:31,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:31,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:31,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:34,595 INFO L124 PetriNetUnfolderBase]: 3565/6800 cut-off events.
[2024-12-02 11:53:34,595 INFO L125 PetriNetUnfolderBase]: For 1228270/1228270 co-relation queries the response was YES.
[2024-12-02 11:53:34,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74539 conditions, 6800 events. 3565/6800 cut-off events. For 1228270/1228270 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 35548 event pairs, 1187 based on Foata normal form. 189/6985 useless extension candidates. Maximal degree in co-relation 74424. Up to 4260 conditions per place.
[2024-12-02 11:53:34,681 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 345 selfloop transitions, 69 changer transitions 237/655 dead transitions.
[2024-12-02 11:53:34,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 655 transitions, 19824 flow
[2024-12-02 11:53:34,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2024-12-02 11:53:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states.
[2024-12-02 11:53:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 1016 transitions.
[2024-12-02 11:53:34,684 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5077461269365318
[2024-12-02 11:53:34,684 INFO L175 Difference]: Start difference. First operand has 271 places, 226 transitions, 4567 flow. Second operand 69 states and 1016 transitions.
[2024-12-02 11:53:34,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 655 transitions, 19824 flow
[2024-12-02 11:53:36,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 655 transitions, 15776 flow, removed 1982 selfloop flow, removed 25 redundant places.
[2024-12-02 11:53:36,793 INFO L231 Difference]: Finished difference. Result has 348 places, 276 transitions, 5498 flow
[2024-12-02 11:53:36,793 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=3065, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=69, PETRI_FLOW=5498, PETRI_PLACES=348, PETRI_TRANSITIONS=276}
[2024-12-02 11:53:36,794 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 318 predicate places.
[2024-12-02 11:53:36,794 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 276 transitions, 5498 flow
[2024-12-02 11:53:36,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 10.183673469387756) internal successors, (499), 49 states have internal predecessors, (499), 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 11:53:36,794 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:36,794 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 13, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:36,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 11:53:36,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-12-02 11:53:36,995 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:36,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:36,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1549987048, now seen corresponding path program 5 times
[2024-12-02 11:53:36,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:36,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010232826]
[2024-12-02 11:53:36,996 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-02 11:53:36,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:37,012 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s)
[2024-12-02 11:53:37,012 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 347 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:37,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:37,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010232826]
[2024-12-02 11:53:37,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010232826] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:53:37,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332466286]
[2024-12-02 11:53:37,560 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-02 11:53:37,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:37,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:37,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:53:37,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 11:53:37,643 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s)
[2024-12-02 11:53:37,644 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:37,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-02 11:53:37,648 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:53:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 347 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:37,937 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:53:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 347 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:53:38,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332466286] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:53:38,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:53:38,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 50
[2024-12-02 11:53:38,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599741095]
[2024-12-02 11:53:38,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:53:38,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states
[2024-12-02 11:53:38,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:38,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants.
[2024-12-02 11:53:38,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1995, Unknown=0, NotChecked=0, Total=2550
[2024-12-02 11:53:38,776 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:38,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 276 transitions, 5498 flow. Second operand has 51 states, 51 states have (on average 10.176470588235293) internal successors, (519), 51 states have internal predecessors, (519), 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 11:53:38,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:38,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:38,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:43,299 INFO L124 PetriNetUnfolderBase]: 4753/9512 cut-off events.
[2024-12-02 11:53:43,300 INFO L125 PetriNetUnfolderBase]: For 2594826/2594826 co-relation queries the response was YES.
[2024-12-02 11:53:43,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118264 conditions, 9512 events. 4753/9512 cut-off events. For 2594826/2594826 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 56197 event pairs, 840 based on Foata normal form. 189/9697 useless extension candidates. Maximal degree in co-relation 118114. Up to 3235 conditions per place.
[2024-12-02 11:53:43,404 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 324 selfloop transitions, 249 changer transitions 251/828 dead transitions.
[2024-12-02 11:53:43,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 828 transitions, 25690 flow
[2024-12-02 11:53:43,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2024-12-02 11:53:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2024-12-02 11:53:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 1123 transitions.
[2024-12-02 11:53:43,407 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5095281306715064
[2024-12-02 11:53:43,407 INFO L175 Difference]: Start difference. First operand has 348 places, 276 transitions, 5498 flow. Second operand 76 states and 1123 transitions.
[2024-12-02 11:53:43,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 828 transitions, 25690 flow
[2024-12-02 11:53:48,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 828 transitions, 21856 flow, removed 1901 selfloop flow, removed 31 redundant places.
[2024-12-02 11:53:48,877 INFO L231 Difference]: Finished difference. Result has 416 places, 408 transitions, 8716 flow
[2024-12-02 11:53:48,877 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=3904, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=76, PETRI_FLOW=8716, PETRI_PLACES=416, PETRI_TRANSITIONS=408}
[2024-12-02 11:53:48,878 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 386 predicate places.
[2024-12-02 11:53:48,878 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 408 transitions, 8716 flow
[2024-12-02 11:53:48,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 10.176470588235293) internal successors, (519), 51 states have internal predecessors, (519), 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 11:53:48,878 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:53:48,878 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 13, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:48,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 11:53:49,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-12-02 11:53:49,079 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:53:49,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash -30991044, now seen corresponding path program 6 times
[2024-12-02 11:53:49,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:49,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444065790]
[2024-12-02 11:53:49,080 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-12-02 11:53:49,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:49,100 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s)
[2024-12-02 11:53:49,100 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 11:53:49,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:49,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444065790]
[2024-12-02 11:53:49,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444065790] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:53:49,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348478781]
[2024-12-02 11:53:49,697 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-12-02 11:53:49,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:53:49,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:53:49,699 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:53:49,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 11:53:49,762 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s)
[2024-12-02 11:53:49,763 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:53:49,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-02 11:53:49,766 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:53:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 2 proven. 238 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 11:53:49,929 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:53:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 11:53:50,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348478781] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:53:50,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:53:50,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 54
[2024-12-02 11:53:50,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081311874]
[2024-12-02 11:53:50,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:53:50,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2024-12-02 11:53:50,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:50,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2024-12-02 11:53:50,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=541, Invalid=2429, Unknown=0, NotChecked=0, Total=2970
[2024-12-02 11:53:50,705 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:53:50,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 408 transitions, 8716 flow. Second operand has 55 states, 55 states have (on average 10.181818181818182) internal successors, (560), 55 states have internal predecessors, (560), 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 11:53:50,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:53:50,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:53:50,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:53:57,074 INFO L124 PetriNetUnfolderBase]: 6085/12589 cut-off events.
[2024-12-02 11:53:57,074 INFO L125 PetriNetUnfolderBase]: For 4797592/4797592 co-relation queries the response was YES.
[2024-12-02 11:53:57,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177251 conditions, 12589 events. 6085/12589 cut-off events. For 4797592/4797592 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 81957 event pairs, 446 based on Foata normal form. 189/12774 useless extension candidates. Maximal degree in co-relation 177076. Up to 3113 conditions per place.
[2024-12-02 11:53:57,221 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 281 selfloop transitions, 471 changer transitions 265/1021 dead transitions.
[2024-12-02 11:53:57,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 1021 transitions, 34702 flow
[2024-12-02 11:53:57,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2024-12-02 11:53:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states.
[2024-12-02 11:53:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 1235 transitions.
[2024-12-02 11:53:57,223 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5130868300789364
[2024-12-02 11:53:57,223 INFO L175 Difference]: Start difference. First operand has 416 places, 408 transitions, 8716 flow. Second operand 83 states and 1235 transitions.
[2024-12-02 11:53:57,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 1021 transitions, 34702 flow
[2024-12-02 11:54:12,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 1021 transitions, 29606 flow, removed 2521 selfloop flow, removed 32 redundant places.
[2024-12-02 11:54:12,922 INFO L231 Difference]: Finished difference. Result has 490 places, 559 transitions, 12924 flow
[2024-12-02 11:54:12,923 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=6678, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=340, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=83, PETRI_FLOW=12924, PETRI_PLACES=490, PETRI_TRANSITIONS=559}
[2024-12-02 11:54:12,923 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 460 predicate places.
[2024-12-02 11:54:12,923 INFO L471 AbstractCegarLoop]: Abstraction has has 490 places, 559 transitions, 12924 flow
[2024-12-02 11:54:12,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 10.181818181818182) internal successors, (560), 55 states have internal predecessors, (560), 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 11:54:12,924 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:54:12,924 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 13, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:54:12,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 11:54:13,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-12-02 11:54:13,125 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:54:13,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:54:13,126 INFO L85 PathProgramCache]: Analyzing trace with hash 151176290, now seen corresponding path program 7 times
[2024-12-02 11:54:13,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:54:13,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869927944]
[2024-12-02 11:54:13,126 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-12-02 11:54:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:54:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:54:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 11:54:13,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:54:13,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869927944]
[2024-12-02 11:54:13,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869927944] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:54:13,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407021575]
[2024-12-02 11:54:13,699 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-12-02 11:54:13,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:54:13,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:54:13,701 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:54:13,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 11:54:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:54:13,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-02 11:54:13,771 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:54:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 11:54:13,943 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:54:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 11:54:14,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407021575] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:54:14,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:54:14,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 56
[2024-12-02 11:54:14,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117401130]
[2024-12-02 11:54:14,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:54:14,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2024-12-02 11:54:14,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:54:14,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2024-12-02 11:54:14,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=2661, Unknown=0, NotChecked=0, Total=3192
[2024-12-02 11:54:14,780 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:54:14,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 559 transitions, 12924 flow. Second operand has 57 states, 57 states have (on average 10.087719298245615) internal successors, (575), 57 states have internal predecessors, (575), 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 11:54:14,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:54:14,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:54:14,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:54:25,872 INFO L124 PetriNetUnfolderBase]: 8794/17848 cut-off events.
[2024-12-02 11:54:25,872 INFO L125 PetriNetUnfolderBase]: For 9207003/9207003 co-relation queries the response was YES.
[2024-12-02 11:54:26,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282462 conditions, 17848 events. 8794/17848 cut-off events. For 9207003/9207003 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 122098 event pairs, 210 based on Foata normal form. 189/18033 useless extension candidates. Maximal degree in co-relation 282263. Up to 4397 conditions per place.
[2024-12-02 11:54:26,176 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 340 selfloop transitions, 704 changer transitions 259/1307 dead transitions.
[2024-12-02 11:54:26,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 1307 transitions, 47663 flow
[2024-12-02 11:54:26,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states.
[2024-12-02 11:54:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states.
[2024-12-02 11:54:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 1459 transitions.
[2024-12-02 11:54:26,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.524066091954023
[2024-12-02 11:54:26,178 INFO L175 Difference]: Start difference. First operand has 490 places, 559 transitions, 12924 flow. Second operand 96 states and 1459 transitions.
[2024-12-02 11:54:26,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 1307 transitions, 47663 flow
[2024-12-02 11:54:50,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 1307 transitions, 36639 flow, removed 5481 selfloop flow, removed 31 redundant places.
[2024-12-02 11:54:50,066 INFO L231 Difference]: Finished difference. Result has 583 places, 754 transitions, 17798 flow
[2024-12-02 11:54:50,066 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=10032, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=525, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=96, PETRI_FLOW=17798, PETRI_PLACES=583, PETRI_TRANSITIONS=754}
[2024-12-02 11:54:50,067 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 553 predicate places.
[2024-12-02 11:54:50,067 INFO L471 AbstractCegarLoop]: Abstraction has has 583 places, 754 transitions, 17798 flow
[2024-12-02 11:54:50,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 10.087719298245615) internal successors, (575), 57 states have internal predecessors, (575), 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 11:54:50,067 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:54:50,067 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 13, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:54:50,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 11:54:50,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:54:50,268 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:54:50,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:54:50,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1309727484, now seen corresponding path program 8 times
[2024-12-02 11:54:50,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:54:50,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093609462]
[2024-12-02 11:54:50,269 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:54:50,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:54:50,284 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:54:50,285 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:54:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:54:50,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:54:50,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093609462]
[2024-12-02 11:54:50,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093609462] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:54:50,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119942532]
[2024-12-02 11:54:50,715 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:54:50,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:54:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:54:50,717 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:54:50,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 11:54:50,777 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:54:50,777 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:54:50,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-02 11:54:50,780 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:54:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:54:50,903 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:54:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:54:51,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119942532] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:54:51,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:54:51,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 49
[2024-12-02 11:54:51,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511523514]
[2024-12-02 11:54:51,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:54:51,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-12-02 11:54:51,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:54:51,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-12-02 11:54:51,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=568, Invalid=1882, Unknown=0, NotChecked=0, Total=2450
[2024-12-02 11:54:51,454 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-12-02 11:54:51,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 754 transitions, 17798 flow. Second operand has 50 states, 50 states have (on average 10.18) internal successors, (509), 50 states have internal predecessors, (509), 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 11:54:51,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:54:51,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-12-02 11:54:51,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:55:04,968 INFO L124 PetriNetUnfolderBase]: 9730/19675 cut-off events.
[2024-12-02 11:55:04,969 INFO L125 PetriNetUnfolderBase]: For 10880729/10880729 co-relation queries the response was YES.
[2024-12-02 11:55:05,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318526 conditions, 19675 events. 9730/19675 cut-off events. For 10880729/10880729 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 135413 event pairs, 60 based on Foata normal form. 315/19986 useless extension candidates. Maximal degree in co-relation 318297. Up to 4829 conditions per place.
[2024-12-02 11:55:05,623 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 349 selfloop transitions, 808 changer transitions 337/1498 dead transitions.
[2024-12-02 11:55:05,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 1498 transitions, 58917 flow
[2024-12-02 11:55:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states.
[2024-12-02 11:55:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states.
[2024-12-02 11:55:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 1703 transitions.
[2024-12-02 11:55:05,626 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5243226600985221
[2024-12-02 11:55:05,626 INFO L175 Difference]: Start difference. First operand has 583 places, 754 transitions, 17798 flow. Second operand 112 states and 1703 transitions.
[2024-12-02 11:55:05,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 1498 transitions, 58917 flow
[2024-12-02 11:55:48,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 633 places, 1498 transitions, 49038 flow, removed 4853 selfloop flow, removed 40 redundant places.
[2024-12-02 11:55:48,426 INFO L231 Difference]: Finished difference. Result has 692 places, 846 transitions, 23228 flow
[2024-12-02 11:55:48,426 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=14449, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=754, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=717, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=112, PETRI_FLOW=23228, PETRI_PLACES=692, PETRI_TRANSITIONS=846}
[2024-12-02 11:55:48,427 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 662 predicate places.
[2024-12-02 11:55:48,427 INFO L471 AbstractCegarLoop]: Abstraction has has 692 places, 846 transitions, 23228 flow
[2024-12-02 11:55:48,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 10.18) internal successors, (509), 50 states have internal predecessors, (509), 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 11:55:48,427 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 11:55:48,427 INFO L206 CegarLoopForPetriNet]: trace histogram [21, 21, 20, 20, 20, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:55:48,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 11:55:48,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-12-02 11:55:48,628 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-12-02 11:55:48,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:55:48,629 INFO L85 PathProgramCache]: Analyzing trace with hash -283637527, now seen corresponding path program 9 times
[2024-12-02 11:55:48,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:55:48,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719118692]
[2024-12-02 11:55:48,630 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:55:48,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:55:48,659 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s)
[2024-12-02 11:55:48,659 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:55:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 933 proven. 51 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-12-02 11:55:49,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:55:49,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719118692]
[2024-12-02 11:55:49,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719118692] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:55:49,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458405067]
[2024-12-02 11:55:49,072 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:55:49,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:55:49,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:55:49,074 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:55:49,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 11:55:49,166 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s)
[2024-12-02 11:55:49,167 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:55:49,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-12-02 11:55:49,170 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:55:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 984 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-12-02 11:55:49,310 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:55:49,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458405067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:55:49,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:55:49,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24
[2024-12-02 11:55:49,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965816264]
[2024-12-02 11:55:49,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:55:49,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-12-02 11:55:49,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:55:49,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-12-02 11:55:49,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552
[2024-12-02 11:55:49,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 29
[2024-12-02 11:55:49,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 692 places, 846 transitions, 23228 flow. Second operand has 23 states, 23 states have (on average 14.956521739130435) internal successors, (344), 23 states have internal predecessors, (344), 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 11:55:49,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 11:55:49,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 29
[2024-12-02 11:55:49,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 11:57:09,056 INFO L124 PetriNetUnfolderBase]: 79950/155459 cut-off events.
[2024-12-02 11:57:09,056 INFO L125 PetriNetUnfolderBase]: For 88595856/88624226 co-relation queries the response was YES.
[2024-12-02 11:57:13,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2172438 conditions, 155459 events. 79950/155459 cut-off events. For 88595856/88624226 co-relation queries the response was YES. Maximal size of possible extension queue 1928. Compared 1590011 event pairs, 4084 based on Foata normal form. 2985/138175 useless extension candidates. Maximal degree in co-relation 2172175. Up to 32300 conditions per place.
[2024-12-02 11:57:13,829 INFO L140 encePairwiseOnDemand]: 25/29 looper letters, 0 selfloop transitions, 0 changer transitions 1010/1010 dead transitions.
[2024-12-02 11:57:13,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 1010 transitions, 22966 flow
[2024-12-02 11:57:13,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-12-02 11:57:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states.
[2024-12-02 11:57:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 473 transitions.
[2024-12-02 11:57:13,830 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7091454272863568
[2024-12-02 11:57:13,830 INFO L175 Difference]: Start difference. First operand has 692 places, 846 transitions, 23228 flow. Second operand 23 states and 473 transitions.
[2024-12-02 11:57:13,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 685 places, 1010 transitions, 22966 flow
[2024-12-02 12:05:28,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 1010 transitions, 15974 flow, removed 3179 selfloop flow, removed 70 redundant places.
[2024-12-02 12:05:28,432 INFO L231 Difference]: Finished difference. Result has 615 places, 0 transitions, 0 flow
[2024-12-02 12:05:28,432 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=15172, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=826, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=826, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=0, PETRI_PLACES=615, PETRI_TRANSITIONS=0}
[2024-12-02 12:05:28,433 INFO L279 CegarLoopForPetriNet]: 30 programPoint places, 585 predicate places.
[2024-12-02 12:05:28,433 INFO L471 AbstractCegarLoop]: Abstraction has has 615 places, 0 transitions, 0 flow
[2024-12-02 12:05:28,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 14.956521739130435) internal successors, (344), 23 states have internal predecessors, (344), 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 12:05:28,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining)
[2024-12-02 12:05:28,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining)
[2024-12-02 12:05:28,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-12-02 12:05:28,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-12-02 12:05:28,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-12-02 12:05:28,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-12-02 12:05:28,639 INFO L422 BasicCegarLoop]: Path program histogram: [9, 3, 2, 2, 1, 1]
[2024-12-02 12:05:28,645 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 12:05:28,645 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:05:28,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:05:28 BasicIcfg
[2024-12-02 12:05:28,653 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:05:28,654 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:05:28,654 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:05:28,654 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:05:28,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:53:15" (3/4) ...
[2024-12-02 12:05:28,659 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 12:05:28,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1
[2024-12-02 12:05:28,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2
[2024-12-02 12:05:28,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges
[2024-12-02 12:05:28,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 12:05:28,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-12-02 12:05:28,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 12:05:28,743 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:05:28,744 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:05:28,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:05:28,745 INFO L158 Benchmark]: Toolchain (without parser) took 733516.66ms. Allocated memory was 142.6MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 116.9MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 10.5GB. Max. memory is 16.1GB.
[2024-12-02 12:05:28,745 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:05:28,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.51ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 97.3MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:05:28,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.40ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 95.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:05:28,746 INFO L158 Benchmark]: Boogie Preprocessor took 26.12ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 94.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:05:28,746 INFO L158 Benchmark]: RCFGBuilder took 310.34ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 76.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:05:28,747 INFO L158 Benchmark]: TraceAbstraction took 732702.87ms. Allocated memory was 142.6MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 76.1MB in the beginning and 2.6GB in the end (delta: -2.6GB). Peak memory consumption was 13.4GB. Max. memory is 16.1GB.
[2024-12-02 12:05:28,747 INFO L158 Benchmark]: Witness Printer took 89.60ms. Allocated memory is still 13.2GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:05:28,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 351.51ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 97.3MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 31.40ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 95.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.12ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 94.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 310.34ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 76.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 732702.87ms. Allocated memory was 142.6MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 76.1MB in the beginning and 2.6GB in the end (delta: -2.6GB). Peak memory consumption was 13.4GB. Max. memory is 16.1GB.
* Witness Printer took 89.60ms. Allocated memory is still 13.2GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 711]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 693]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 38 locations, 4 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: 732.6s, OverallIterations: 18, TraceHistogramMax: 21, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 718.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9930 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9900 mSDsluCounter, 145 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 133 mSDsCounter, 491 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9135 IncrementalHoareTripleChecker+Invalid, 9626 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 491 mSolverCounterUnsat, 12 mSDtfsCounter, 9135 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2121 GetRequests, 1126 SyntacticMatches, 7 SemanticMatches, 988 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32485 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23228occurred in iteration=17, InterpolantAutomatonStates: 706, 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, 0.4s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 1523 NumberOfCodeBlocks, 1523 NumberOfCodeBlocksAsserted, 123 NumberOfCheckSat, 2064 ConstructedInterpolants, 0 QuantifiedInterpolants, 9556 SizeOfPredicates, 164 NumberOfNonLiveVariables, 1841 ConjunctsInSsa, 236 ConjunctsInUnsatCore, 39 InterpolantComputations, 8 PerfectInterpolantSequences, 1964/6935 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
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 12:05:28,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53abafaa-3717-4b62-82f2-e9bc04b77c35/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:
TRUE