./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/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_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:30:25,135 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:30:25,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 08:30:25,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:30:25,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:30:25,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:30:25,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:30:25,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:30:25,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:30:25,225 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 08:30:25,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 08:30:25,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 08:30:25,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:30:25,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 08:30:25,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 08:30:25,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 08:30:25,227 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 08:30:25,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 08:30:25,227 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:30:25,227 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 08:30:25,227 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 08:30:25,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:30:25,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:30:25,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:30:25,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:30:25,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:30:25,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 08:30:25,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 08:30:25,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 08:30:25,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 08:30:25,229 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 08:30:25,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 08:30:25,229 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_b33df758-baa8-4791-853b-2f5734807f21/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 ! call(reach_error())) )
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 -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa
[2024-12-02 08:30:25,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:30:25,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:30:25,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:30:25,453 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 08:30:25,453 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 08:30:25,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2024-12-02 08:30:28,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/data/15f17a937/6673f4744a7a4454af2e89a5e854e695/FLAGac2a69889
[2024-12-02 08:30:28,409 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 08:30:28,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2024-12-02 08:30:28,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/data/15f17a937/6673f4744a7a4454af2e89a5e854e695/FLAGac2a69889
[2024-12-02 08:30:28,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/data/15f17a937/6673f4744a7a4454af2e89a5e854e695
[2024-12-02 08:30:28,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:30:28,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:30:28,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:30:28,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:30:28,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:30:28,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:28,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca7c743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28, skipping insertion in model container
[2024-12-02 08:30:28,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:28,485 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:30:28,626 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051]
[2024-12-02 08:30:28,853 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:30:28,864 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 08:30:28,874 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051]
[2024-12-02 08:30:28,932 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:30:28,962 INFO L204 MainTranslator]: Completed translation
[2024-12-02 08:30:28,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28 WrapperNode
[2024-12-02 08:30:28,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:30:28,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:30:28,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:30:28,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:30:28,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:28,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,009 INFO L138 Inliner]: procedures = 174, calls = 39, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149
[2024-12-02 08:30:29,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:30:29,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:30:29,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:30:29,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:30:29,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,038 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 08:30:29,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,048 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:30:29,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:30:29,059 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:30:29,059 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:30:29,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (1/1) ...
[2024-12-02 08:30:29,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:30:29,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:30:29,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 08:30:29,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:30:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 08:30:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:30:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-12-02 08:30:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-12-02 08:30:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-12-02 08:30:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-12-02 08:30:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:30:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 08:30:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:30:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:30:29,120 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 08:30:29,253 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 08:30:29,255 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:30:29,636 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 08:30:29,636 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 08:30:29,831 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:30:29,831 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 08:30:29,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:30:29 BoogieIcfgContainer
[2024-12-02 08:30:29,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:30:29,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 08:30:29,833 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 08:30:29,837 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 08:30:29,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:30:28" (1/3) ...
[2024-12-02 08:30:29,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94b645e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:30:29, skipping insertion in model container
[2024-12-02 08:30:29,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:28" (2/3) ...
[2024-12-02 08:30:29,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94b645e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:30:29, skipping insertion in model container
[2024-12-02 08:30:29,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:30:29" (3/3) ...
[2024-12-02 08:30:29,839 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2024-12-02 08:30:29,851 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 08:30:29,853 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 3 procedures, 33 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-02 08:30:29,853 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 08:30:29,907 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 08:30:29,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 74 flow
[2024-12-02 08:30:29,995 INFO L124 PetriNetUnfolderBase]: 1/31 cut-off events.
[2024-12-02 08:30:29,997 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 08:30:30,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 31 events. 1/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place.
[2024-12-02 08:30:30,001 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 33 transitions, 74 flow
[2024-12-02 08:30:30,004 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 31 transitions, 68 flow
[2024-12-02 08:30:30,012 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 08:30:30,023 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=LoopHeads, 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;@7821008f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 08:30:30,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-12-02 08:30:30,030 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 08:30:30,030 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events.
[2024-12-02 08:30:30,030 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 08:30:30,030 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:30,031 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:30,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:30,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:30,037 INFO L85 PathProgramCache]: Analyzing trace with hash -942372534, now seen corresponding path program 1 times
[2024-12-02 08:30:30,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:30,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461224707]
[2024-12-02 08:30:30,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:30:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:30:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:30,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:30,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461224707]
[2024-12-02 08:30:30,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461224707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:30,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:30,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 08:30:30,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637692379]
[2024-12-02 08:30:30,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:30,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:30:30,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:30,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:30:30,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:30:30,427 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 33
[2024-12-02 08:30:30,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:30,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:30,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 33
[2024-12-02 08:30:30,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:30,749 INFO L124 PetriNetUnfolderBase]: 264/581 cut-off events.
[2024-12-02 08:30:30,749 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-12-02 08:30:30,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 581 events. 264/581 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3134 event pairs, 32 based on Foata normal form. 25/599 useless extension candidates. Maximal degree in co-relation 1037. Up to 373 conditions per place.
[2024-12-02 08:30:30,756 INFO L140 encePairwiseOnDemand]: 29/33 looper letters, 24 selfloop transitions, 2 changer transitions 2/39 dead transitions.
[2024-12-02 08:30:30,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 140 flow
[2024-12-02 08:30:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:30:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 08:30:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions.
[2024-12-02 08:30:30,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7070707070707071
[2024-12-02 08:30:30,771 INFO L175 Difference]: Start difference. First operand has 37 places, 31 transitions, 68 flow. Second operand 3 states and 70 transitions.
[2024-12-02 08:30:30,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 140 flow
[2024-12-02 08:30:30,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 138 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 08:30:30,779 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 64 flow
[2024-12-02 08:30:30,782 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=36, PETRI_TRANSITIONS=28}
[2024-12-02 08:30:30,786 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places.
[2024-12-02 08:30:30,786 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 64 flow
[2024-12-02 08:30:30,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:30,786 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:30,786 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:30,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 08:30:30,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:30,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:30,788 INFO L85 PathProgramCache]: Analyzing trace with hash 725790871, now seen corresponding path program 1 times
[2024-12-02 08:30:30,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:30,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350795112]
[2024-12-02 08:30:30,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:30:30,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:30:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:31,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:31,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350795112]
[2024-12-02 08:30:31,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350795112] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:31,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:31,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:30:31,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596245961]
[2024-12-02 08:30:31,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:31,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:30:31,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:31,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:30:31,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:30:31,152 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:31,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:31,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:31,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:31,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:31,639 INFO L124 PetriNetUnfolderBase]: 426/800 cut-off events.
[2024-12-02 08:30:31,640 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES.
[2024-12-02 08:30:31,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 800 events. 426/800 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4189 event pairs, 96 based on Foata normal form. 0/774 useless extension candidates. Maximal degree in co-relation 1568. Up to 358 conditions per place.
[2024-12-02 08:30:31,645 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 24 selfloop transitions, 2 changer transitions 39/73 dead transitions.
[2024-12-02 08:30:31,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 73 transitions, 288 flow
[2024-12-02 08:30:31,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 08:30:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-12-02 08:30:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions.
[2024-12-02 08:30:31,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5568181818181818
[2024-12-02 08:30:31,647 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 64 flow. Second operand 8 states and 147 transitions.
[2024-12-02 08:30:31,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 73 transitions, 288 flow
[2024-12-02 08:30:31,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 73 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 08:30:31,650 INFO L231 Difference]: Finished difference. Result has 45 places, 27 transitions, 74 flow
[2024-12-02 08:30:31,650 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=74, PETRI_PLACES=45, PETRI_TRANSITIONS=27}
[2024-12-02 08:30:31,650 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 8 predicate places.
[2024-12-02 08:30:31,651 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 27 transitions, 74 flow
[2024-12-02 08:30:31,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:31,651 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:31,651 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:31,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 08:30:31,651 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:31,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1338166714, now seen corresponding path program 1 times
[2024-12-02 08:30:31,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:31,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592008894]
[2024-12-02 08:30:31,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:30:31,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:30:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:31,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:31,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592008894]
[2024-12-02 08:30:31,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592008894] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:31,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:31,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:30:31,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170547551]
[2024-12-02 08:30:31,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:31,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:30:31,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:31,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:30:31,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:30:31,987 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33
[2024-12-02 08:30:31,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 27 transitions, 74 flow. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:31,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:31,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33
[2024-12-02 08:30:31,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:32,350 INFO L124 PetriNetUnfolderBase]: 245/496 cut-off events.
[2024-12-02 08:30:32,351 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES.
[2024-12-02 08:30:32,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1061 conditions, 496 events. 245/496 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2469 event pairs, 69 based on Foata normal form. 20/511 useless extension candidates. Maximal degree in co-relation 1046. Up to 253 conditions per place.
[2024-12-02 08:30:32,355 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 25 selfloop transitions, 2 changer transitions 23/59 dead transitions.
[2024-12-02 08:30:32,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 59 transitions, 250 flow
[2024-12-02 08:30:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 08:30:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-12-02 08:30:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 129 transitions.
[2024-12-02 08:30:32,357 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5584415584415584
[2024-12-02 08:30:32,357 INFO L175 Difference]: Start difference. First operand has 45 places, 27 transitions, 74 flow. Second operand 7 states and 129 transitions.
[2024-12-02 08:30:32,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 59 transitions, 250 flow
[2024-12-02 08:30:32,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 59 transitions, 230 flow, removed 8 selfloop flow, removed 6 redundant places.
[2024-12-02 08:30:32,362 INFO L231 Difference]: Finished difference. Result has 44 places, 27 transitions, 78 flow
[2024-12-02 08:30:32,362 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=78, PETRI_PLACES=44, PETRI_TRANSITIONS=27}
[2024-12-02 08:30:32,363 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 7 predicate places.
[2024-12-02 08:30:32,363 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 27 transitions, 78 flow
[2024-12-02 08:30:32,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:32,364 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:32,364 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:32,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 08:30:32,364 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:32,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:32,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1356102712, now seen corresponding path program 1 times
[2024-12-02 08:30:32,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:32,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528685263]
[2024-12-02 08:30:32,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:30:32,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:30:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:33,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:33,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528685263]
[2024-12-02 08:30:33,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528685263] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:33,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:33,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 08:30:33,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123770893]
[2024-12-02 08:30:33,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:33,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 08:30:33,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:33,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 08:30:33,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-12-02 08:30:33,594 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 33
[2024-12-02 08:30:33,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 27 transitions, 78 flow. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:33,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:33,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 33
[2024-12-02 08:30:33,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:34,442 INFO L124 PetriNetUnfolderBase]: 559/1030 cut-off events.
[2024-12-02 08:30:34,443 INFO L125 PetriNetUnfolderBase]: For 304/305 co-relation queries the response was YES.
[2024-12-02 08:30:34,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2336 conditions, 1030 events. 559/1030 cut-off events. For 304/305 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 5102 event pairs, 87 based on Foata normal form. 23/1052 useless extension candidates. Maximal degree in co-relation 2320. Up to 587 conditions per place.
[2024-12-02 08:30:34,448 INFO L140 encePairwiseOnDemand]: 20/33 looper letters, 62 selfloop transitions, 25 changer transitions 29/122 dead transitions.
[2024-12-02 08:30:34,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 122 transitions, 569 flow
[2024-12-02 08:30:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-02 08:30:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2024-12-02 08:30:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 247 transitions.
[2024-12-02 08:30:34,451 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4678030303030303
[2024-12-02 08:30:34,451 INFO L175 Difference]: Start difference. First operand has 44 places, 27 transitions, 78 flow. Second operand 16 states and 247 transitions.
[2024-12-02 08:30:34,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 122 transitions, 569 flow
[2024-12-02 08:30:34,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 122 transitions, 515 flow, removed 22 selfloop flow, removed 6 redundant places.
[2024-12-02 08:30:34,457 INFO L231 Difference]: Finished difference. Result has 61 places, 52 transitions, 243 flow
[2024-12-02 08:30:34,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=243, PETRI_PLACES=61, PETRI_TRANSITIONS=52}
[2024-12-02 08:30:34,458 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 24 predicate places.
[2024-12-02 08:30:34,458 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 52 transitions, 243 flow
[2024-12-02 08:30:34,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:34,458 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:34,458 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:34,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 08:30:34,458 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:34,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:34,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1195211688, now seen corresponding path program 2 times
[2024-12-02 08:30:34,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:34,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301728883]
[2024-12-02 08:30:34,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 08:30:34,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:34,514 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 08:30:34,514 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:35,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:35,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301728883]
[2024-12-02 08:30:35,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301728883] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:35,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:35,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 08:30:35,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975472978]
[2024-12-02 08:30:35,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:35,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 08:30:35,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:35,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 08:30:35,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-12-02 08:30:35,819 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:35,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 52 transitions, 243 flow. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:35,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:35,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:35,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:36,393 INFO L124 PetriNetUnfolderBase]: 423/867 cut-off events.
[2024-12-02 08:30:36,393 INFO L125 PetriNetUnfolderBase]: For 969/997 co-relation queries the response was YES.
[2024-12-02 08:30:36,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2667 conditions, 867 events. 423/867 cut-off events. For 969/997 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4709 event pairs, 71 based on Foata normal form. 19/884 useless extension candidates. Maximal degree in co-relation 2643. Up to 604 conditions per place.
[2024-12-02 08:30:36,397 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 50 selfloop transitions, 14 changer transitions 21/95 dead transitions.
[2024-12-02 08:30:36,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 95 transitions, 606 flow
[2024-12-02 08:30:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 08:30:36,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-12-02 08:30:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 150 transitions.
[2024-12-02 08:30:36,399 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5050505050505051
[2024-12-02 08:30:36,399 INFO L175 Difference]: Start difference. First operand has 61 places, 52 transitions, 243 flow. Second operand 9 states and 150 transitions.
[2024-12-02 08:30:36,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 95 transitions, 606 flow
[2024-12-02 08:30:36,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 95 transitions, 582 flow, removed 12 selfloop flow, removed 6 redundant places.
[2024-12-02 08:30:36,405 INFO L231 Difference]: Finished difference. Result has 63 places, 61 transitions, 351 flow
[2024-12-02 08:30:36,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=351, PETRI_PLACES=63, PETRI_TRANSITIONS=61}
[2024-12-02 08:30:36,406 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 26 predicate places.
[2024-12-02 08:30:36,406 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 61 transitions, 351 flow
[2024-12-02 08:30:36,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:36,406 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:36,406 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:36,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 08:30:36,406 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:36,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:36,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1439322592, now seen corresponding path program 3 times
[2024-12-02 08:30:36,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:36,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931931098]
[2024-12-02 08:30:36,407 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 08:30:36,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:36,445 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-12-02 08:30:36,445 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:37,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:37,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931931098]
[2024-12-02 08:30:37,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931931098] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:37,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:37,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 08:30:37,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931048429]
[2024-12-02 08:30:37,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:37,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 08:30:37,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:37,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 08:30:37,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2024-12-02 08:30:37,115 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:37,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 61 transitions, 351 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:37,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:37,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:37,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:37,691 INFO L124 PetriNetUnfolderBase]: 426/882 cut-off events.
[2024-12-02 08:30:37,691 INFO L125 PetriNetUnfolderBase]: For 1352/1389 co-relation queries the response was YES.
[2024-12-02 08:30:37,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2883 conditions, 882 events. 426/882 cut-off events. For 1352/1389 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4834 event pairs, 37 based on Foata normal form. 57/938 useless extension candidates. Maximal degree in co-relation 2857. Up to 520 conditions per place.
[2024-12-02 08:30:37,696 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 51 selfloop transitions, 26 changer transitions 27/114 dead transitions.
[2024-12-02 08:30:37,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 114 transitions, 821 flow
[2024-12-02 08:30:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 08:30:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2024-12-02 08:30:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 182 transitions.
[2024-12-02 08:30:37,698 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5013774104683195
[2024-12-02 08:30:37,698 INFO L175 Difference]: Start difference. First operand has 63 places, 61 transitions, 351 flow. Second operand 11 states and 182 transitions.
[2024-12-02 08:30:37,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 114 transitions, 821 flow
[2024-12-02 08:30:37,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 114 transitions, 782 flow, removed 15 selfloop flow, removed 3 redundant places.
[2024-12-02 08:30:37,703 INFO L231 Difference]: Finished difference. Result has 72 places, 68 transitions, 467 flow
[2024-12-02 08:30:37,703 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=467, PETRI_PLACES=72, PETRI_TRANSITIONS=68}
[2024-12-02 08:30:37,704 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 35 predicate places.
[2024-12-02 08:30:37,704 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 68 transitions, 467 flow
[2024-12-02 08:30:37,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:37,704 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:37,704 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:37,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 08:30:37,704 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:37,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash 682971266, now seen corresponding path program 4 times
[2024-12-02 08:30:37,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:37,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134343496]
[2024-12-02 08:30:37,705 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 08:30:37,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:37,747 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 08:30:37,747 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:38,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:38,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134343496]
[2024-12-02 08:30:38,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134343496] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:38,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:38,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 08:30:38,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867494979]
[2024-12-02 08:30:38,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:38,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 08:30:38,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:38,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 08:30:38,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-12-02 08:30:38,939 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33
[2024-12-02 08:30:38,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 68 transitions, 467 flow. Second operand has 10 states, 10 states have (on average 12.4) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:38,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:38,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33
[2024-12-02 08:30:38,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:39,539 INFO L124 PetriNetUnfolderBase]: 440/901 cut-off events.
[2024-12-02 08:30:39,539 INFO L125 PetriNetUnfolderBase]: For 2136/2211 co-relation queries the response was YES.
[2024-12-02 08:30:39,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3270 conditions, 901 events. 440/901 cut-off events. For 2136/2211 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4955 event pairs, 47 based on Foata normal form. 22/922 useless extension candidates. Maximal degree in co-relation 3239. Up to 602 conditions per place.
[2024-12-02 08:30:39,545 INFO L140 encePairwiseOnDemand]: 24/33 looper letters, 73 selfloop transitions, 25 changer transitions 17/125 dead transitions.
[2024-12-02 08:30:39,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 125 transitions, 1006 flow
[2024-12-02 08:30:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-02 08:30:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2024-12-02 08:30:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 209 transitions.
[2024-12-02 08:30:39,547 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5277777777777778
[2024-12-02 08:30:39,547 INFO L175 Difference]: Start difference. First operand has 72 places, 68 transitions, 467 flow. Second operand 12 states and 209 transitions.
[2024-12-02 08:30:39,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 125 transitions, 1006 flow
[2024-12-02 08:30:39,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 125 transitions, 982 flow, removed 12 selfloop flow, removed 4 redundant places.
[2024-12-02 08:30:39,553 INFO L231 Difference]: Finished difference. Result has 84 places, 83 transitions, 689 flow
[2024-12-02 08:30:39,553 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=689, PETRI_PLACES=84, PETRI_TRANSITIONS=83}
[2024-12-02 08:30:39,554 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 47 predicate places.
[2024-12-02 08:30:39,554 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 83 transitions, 689 flow
[2024-12-02 08:30:39,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.4) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:39,554 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:39,554 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:39,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 08:30:39,555 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:39,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:39,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1505175666, now seen corresponding path program 5 times
[2024-12-02 08:30:39,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:39,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283771488]
[2024-12-02 08:30:39,555 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-02 08:30:39,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:39,583 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 08:30:39,583 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:40,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:40,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283771488]
[2024-12-02 08:30:40,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283771488] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:40,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:40,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 08:30:40,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570587899]
[2024-12-02 08:30:40,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:40,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 08:30:40,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:40,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 08:30:40,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:30:40,126 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 33
[2024-12-02 08:30:40,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 83 transitions, 689 flow. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:40,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:40,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 33
[2024-12-02 08:30:40,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:40,469 INFO L124 PetriNetUnfolderBase]: 676/1232 cut-off events.
[2024-12-02 08:30:40,469 INFO L125 PetriNetUnfolderBase]: For 4280/4348 co-relation queries the response was YES.
[2024-12-02 08:30:40,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5012 conditions, 1232 events. 676/1232 cut-off events. For 4280/4348 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6520 event pairs, 40 based on Foata normal form. 79/1311 useless extension candidates. Maximal degree in co-relation 4974. Up to 720 conditions per place.
[2024-12-02 08:30:40,480 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 103 selfloop transitions, 8 changer transitions 1/117 dead transitions.
[2024-12-02 08:30:40,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 117 transitions, 1165 flow
[2024-12-02 08:30:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 08:30:40,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 08:30:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 73 transitions.
[2024-12-02 08:30:40,481 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.553030303030303
[2024-12-02 08:30:40,481 INFO L175 Difference]: Start difference. First operand has 84 places, 83 transitions, 689 flow. Second operand 4 states and 73 transitions.
[2024-12-02 08:30:40,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 117 transitions, 1165 flow
[2024-12-02 08:30:40,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 117 transitions, 1114 flow, removed 19 selfloop flow, removed 7 redundant places.
[2024-12-02 08:30:40,494 INFO L231 Difference]: Finished difference. Result has 78 places, 74 transitions, 600 flow
[2024-12-02 08:30:40,494 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=600, PETRI_PLACES=78, PETRI_TRANSITIONS=74}
[2024-12-02 08:30:40,495 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 41 predicate places.
[2024-12-02 08:30:40,495 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 74 transitions, 600 flow
[2024-12-02 08:30:40,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:40,495 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:40,496 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:40,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 08:30:40,496 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:40,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:40,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2100083922, now seen corresponding path program 6 times
[2024-12-02 08:30:40,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:40,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212865045]
[2024-12-02 08:30:40,496 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-12-02 08:30:40,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:40,541 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s)
[2024-12-02 08:30:40,541 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:41,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:41,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212865045]
[2024-12-02 08:30:41,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212865045] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:41,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:41,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 08:30:41,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767580341]
[2024-12-02 08:30:41,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:41,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 08:30:41,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:41,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 08:30:41,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2024-12-02 08:30:41,238 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:41,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 74 transitions, 600 flow. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:41,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:41,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:41,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:41,753 INFO L124 PetriNetUnfolderBase]: 447/891 cut-off events.
[2024-12-02 08:30:41,753 INFO L125 PetriNetUnfolderBase]: For 2545/2573 co-relation queries the response was YES.
[2024-12-02 08:30:41,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3524 conditions, 891 events. 447/891 cut-off events. For 2545/2573 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4746 event pairs, 93 based on Foata normal form. 21/912 useless extension candidates. Maximal degree in co-relation 3488. Up to 571 conditions per place.
[2024-12-02 08:30:41,758 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 46 selfloop transitions, 34 changer transitions 21/111 dead transitions.
[2024-12-02 08:30:41,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 111 transitions, 1007 flow
[2024-12-02 08:30:41,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 08:30:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-12-02 08:30:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 164 transitions.
[2024-12-02 08:30:41,759 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49696969696969695
[2024-12-02 08:30:41,759 INFO L175 Difference]: Start difference. First operand has 78 places, 74 transitions, 600 flow. Second operand 10 states and 164 transitions.
[2024-12-02 08:30:41,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 111 transitions, 1007 flow
[2024-12-02 08:30:41,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 111 transitions, 972 flow, removed 6 selfloop flow, removed 4 redundant places.
[2024-12-02 08:30:41,765 INFO L231 Difference]: Finished difference. Result has 88 places, 79 transitions, 739 flow
[2024-12-02 08:30:41,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=739, PETRI_PLACES=88, PETRI_TRANSITIONS=79}
[2024-12-02 08:30:41,766 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 51 predicate places.
[2024-12-02 08:30:41,766 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 79 transitions, 739 flow
[2024-12-02 08:30:41,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:41,766 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:41,766 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:41,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 08:30:41,766 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:41,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:41,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1371563708, now seen corresponding path program 1 times
[2024-12-02 08:30:41,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:41,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727011301]
[2024-12-02 08:30:41,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:30:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:30:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:41,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:41,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727011301]
[2024-12-02 08:30:41,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727011301] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:41,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:41,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 08:30:41,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920253815]
[2024-12-02 08:30:41,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:41,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:30:41,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:41,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:30:41,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:30:41,892 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:41,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 79 transitions, 739 flow. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:41,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:41,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:41,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:42,101 INFO L124 PetriNetUnfolderBase]: 451/854 cut-off events.
[2024-12-02 08:30:42,101 INFO L125 PetriNetUnfolderBase]: For 3596/3670 co-relation queries the response was YES.
[2024-12-02 08:30:42,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3652 conditions, 854 events. 451/854 cut-off events. For 3596/3670 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4244 event pairs, 79 based on Foata normal form. 77/913 useless extension candidates. Maximal degree in co-relation 3613. Up to 331 conditions per place.
[2024-12-02 08:30:42,105 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 85 selfloop transitions, 6 changer transitions 1/102 dead transitions.
[2024-12-02 08:30:42,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 102 transitions, 1053 flow
[2024-12-02 08:30:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 08:30:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-12-02 08:30:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions.
[2024-12-02 08:30:42,106 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364
[2024-12-02 08:30:42,106 INFO L175 Difference]: Start difference. First operand has 88 places, 79 transitions, 739 flow. Second operand 4 states and 84 transitions.
[2024-12-02 08:30:42,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 102 transitions, 1053 flow
[2024-12-02 08:30:42,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 102 transitions, 987 flow, removed 23 selfloop flow, removed 11 redundant places.
[2024-12-02 08:30:42,116 INFO L231 Difference]: Finished difference. Result has 77 places, 71 transitions, 602 flow
[2024-12-02 08:30:42,117 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=602, PETRI_PLACES=77, PETRI_TRANSITIONS=71}
[2024-12-02 08:30:42,117 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 40 predicate places.
[2024-12-02 08:30:42,117 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 71 transitions, 602 flow
[2024-12-02 08:30:42,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:42,117 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:42,117 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:42,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 08:30:42,118 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:42,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:42,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1807476639, now seen corresponding path program 1 times
[2024-12-02 08:30:42,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:42,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797511676]
[2024-12-02 08:30:42,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:30:42,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:30:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:43,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:43,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797511676]
[2024-12-02 08:30:43,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797511676] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:43,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:43,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 08:30:43,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072650003]
[2024-12-02 08:30:43,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:43,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 08:30:43,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:43,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 08:30:43,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2024-12-02 08:30:43,197 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:43,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 71 transitions, 602 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:43,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:43,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:43,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:43,634 INFO L124 PetriNetUnfolderBase]: 315/668 cut-off events.
[2024-12-02 08:30:43,635 INFO L125 PetriNetUnfolderBase]: For 2027/2048 co-relation queries the response was YES.
[2024-12-02 08:30:43,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 668 events. 315/668 cut-off events. For 2027/2048 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3342 event pairs, 57 based on Foata normal form. 24/687 useless extension candidates. Maximal degree in co-relation 2698. Up to 429 conditions per place.
[2024-12-02 08:30:43,638 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 52 selfloop transitions, 24 changer transitions 13/101 dead transitions.
[2024-12-02 08:30:43,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 101 transitions, 944 flow
[2024-12-02 08:30:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 08:30:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-12-02 08:30:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 161 transitions.
[2024-12-02 08:30:43,639 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48787878787878786
[2024-12-02 08:30:43,639 INFO L175 Difference]: Start difference. First operand has 77 places, 71 transitions, 602 flow. Second operand 10 states and 161 transitions.
[2024-12-02 08:30:43,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 101 transitions, 944 flow
[2024-12-02 08:30:43,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 101 transitions, 918 flow, removed 6 selfloop flow, removed 3 redundant places.
[2024-12-02 08:30:43,644 INFO L231 Difference]: Finished difference. Result has 88 places, 73 transitions, 678 flow
[2024-12-02 08:30:43,644 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=678, PETRI_PLACES=88, PETRI_TRANSITIONS=73}
[2024-12-02 08:30:43,645 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 51 predicate places.
[2024-12-02 08:30:43,645 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 73 transitions, 678 flow
[2024-12-02 08:30:43,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:43,645 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:43,645 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:43,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 08:30:43,645 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:43,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash 937550407, now seen corresponding path program 2 times
[2024-12-02 08:30:43,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:43,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206252051]
[2024-12-02 08:30:43,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 08:30:43,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:43,687 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 08:30:43,687 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:44,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:44,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206252051]
[2024-12-02 08:30:44,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206252051] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:44,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:44,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 08:30:44,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853726454]
[2024-12-02 08:30:44,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:44,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 08:30:44,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:44,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 08:30:44,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110
[2024-12-02 08:30:44,574 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:44,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 73 transitions, 678 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:44,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:44,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:44,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:45,120 INFO L124 PetriNetUnfolderBase]: 325/687 cut-off events.
[2024-12-02 08:30:45,120 INFO L125 PetriNetUnfolderBase]: For 3112/3132 co-relation queries the response was YES.
[2024-12-02 08:30:45,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 687 events. 325/687 cut-off events. For 3112/3132 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3469 event pairs, 59 based on Foata normal form. 10/694 useless extension candidates. Maximal degree in co-relation 2978. Up to 417 conditions per place.
[2024-12-02 08:30:45,123 INFO L140 encePairwiseOnDemand]: 25/33 looper letters, 53 selfloop transitions, 25 changer transitions 13/103 dead transitions.
[2024-12-02 08:30:45,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 103 transitions, 1060 flow
[2024-12-02 08:30:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 08:30:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2024-12-02 08:30:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 159 transitions.
[2024-12-02 08:30:45,124 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4818181818181818
[2024-12-02 08:30:45,124 INFO L175 Difference]: Start difference. First operand has 88 places, 73 transitions, 678 flow. Second operand 10 states and 159 transitions.
[2024-12-02 08:30:45,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 103 transitions, 1060 flow
[2024-12-02 08:30:45,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 103 transitions, 977 flow, removed 20 selfloop flow, removed 8 redundant places.
[2024-12-02 08:30:45,130 INFO L231 Difference]: Finished difference. Result has 91 places, 76 transitions, 744 flow
[2024-12-02 08:30:45,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=744, PETRI_PLACES=91, PETRI_TRANSITIONS=76}
[2024-12-02 08:30:45,131 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 54 predicate places.
[2024-12-02 08:30:45,131 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 76 transitions, 744 flow
[2024-12-02 08:30:45,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:45,131 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:45,131 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:45,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 08:30:45,131 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:45,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:45,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1723216377, now seen corresponding path program 3 times
[2024-12-02 08:30:45,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:45,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437290263]
[2024-12-02 08:30:45,132 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 08:30:45,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:45,196 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-12-02 08:30:45,196 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:45,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:45,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437290263]
[2024-12-02 08:30:45,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437290263] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:45,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:45,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 08:30:45,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859724458]
[2024-12-02 08:30:45,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:45,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:30:45,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:45,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:30:45,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:30:45,347 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:45,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 76 transitions, 744 flow. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:45,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:45,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:45,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:45,520 INFO L124 PetriNetUnfolderBase]: 255/502 cut-off events.
[2024-12-02 08:30:45,521 INFO L125 PetriNetUnfolderBase]: For 2506/2550 co-relation queries the response was YES.
[2024-12-02 08:30:45,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2244 conditions, 502 events. 255/502 cut-off events. For 2506/2550 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2188 event pairs, 71 based on Foata normal form. 48/538 useless extension candidates. Maximal degree in co-relation 2204. Up to 234 conditions per place.
[2024-12-02 08:30:45,524 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 75 selfloop transitions, 8 changer transitions 1/94 dead transitions.
[2024-12-02 08:30:45,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 94 transitions, 1043 flow
[2024-12-02 08:30:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 08:30:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-12-02 08:30:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions.
[2024-12-02 08:30:45,525 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5393939393939394
[2024-12-02 08:30:45,525 INFO L175 Difference]: Start difference. First operand has 91 places, 76 transitions, 744 flow. Second operand 5 states and 89 transitions.
[2024-12-02 08:30:45,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 94 transitions, 1043 flow
[2024-12-02 08:30:45,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 94 transitions, 936 flow, removed 34 selfloop flow, removed 9 redundant places.
[2024-12-02 08:30:45,533 INFO L231 Difference]: Finished difference. Result has 84 places, 74 transitions, 670 flow
[2024-12-02 08:30:45,533 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=670, PETRI_PLACES=84, PETRI_TRANSITIONS=74}
[2024-12-02 08:30:45,534 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 47 predicate places.
[2024-12-02 08:30:45,534 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 74 transitions, 670 flow
[2024-12-02 08:30:45,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:45,534 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:45,534 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:45,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 08:30:45,534 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:45,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash 804898880, now seen corresponding path program 1 times
[2024-12-02 08:30:45,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:45,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203923870]
[2024-12-02 08:30:45,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:30:45,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:30:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:46,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:46,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203923870]
[2024-12-02 08:30:46,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203923870] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:46,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:46,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 08:30:46,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542867355]
[2024-12-02 08:30:46,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:46,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 08:30:46,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:46,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 08:30:46,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2024-12-02 08:30:46,088 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:46,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 74 transitions, 670 flow. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:46,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:46,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:46,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:46,318 INFO L124 PetriNetUnfolderBase]: 223/498 cut-off events.
[2024-12-02 08:30:46,318 INFO L125 PetriNetUnfolderBase]: For 1556/1578 co-relation queries the response was YES.
[2024-12-02 08:30:46,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1950 conditions, 498 events. 223/498 cut-off events. For 1556/1578 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2316 event pairs, 51 based on Foata normal form. 20/512 useless extension candidates. Maximal degree in co-relation 1914. Up to 168 conditions per place.
[2024-12-02 08:30:46,320 INFO L140 encePairwiseOnDemand]: 24/33 looper letters, 35 selfloop transitions, 9 changer transitions 41/95 dead transitions.
[2024-12-02 08:30:46,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 95 transitions, 920 flow
[2024-12-02 08:30:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 08:30:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-12-02 08:30:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 117 transitions.
[2024-12-02 08:30:46,321 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5064935064935064
[2024-12-02 08:30:46,321 INFO L175 Difference]: Start difference. First operand has 84 places, 74 transitions, 670 flow. Second operand 7 states and 117 transitions.
[2024-12-02 08:30:46,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 95 transitions, 920 flow
[2024-12-02 08:30:46,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 95 transitions, 848 flow, removed 20 selfloop flow, removed 9 redundant places.
[2024-12-02 08:30:46,325 INFO L231 Difference]: Finished difference. Result has 84 places, 52 transitions, 407 flow
[2024-12-02 08:30:46,325 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=407, PETRI_PLACES=84, PETRI_TRANSITIONS=52}
[2024-12-02 08:30:46,326 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 47 predicate places.
[2024-12-02 08:30:46,326 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 52 transitions, 407 flow
[2024-12-02 08:30:46,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:46,326 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:46,326 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:46,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 08:30:46,326 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:46,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:46,327 INFO L85 PathProgramCache]: Analyzing trace with hash 767150632, now seen corresponding path program 2 times
[2024-12-02 08:30:46,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:46,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486679597]
[2024-12-02 08:30:46,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 08:30:46,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:46,351 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 08:30:46,351 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:46,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:46,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486679597]
[2024-12-02 08:30:46,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486679597] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:46,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:46,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 08:30:46,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686263678]
[2024-12-02 08:30:46,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:46,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 08:30:46,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:46,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 08:30:46,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:30:46,687 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:46,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 52 transitions, 407 flow. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:46,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:46,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:46,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:46,909 INFO L124 PetriNetUnfolderBase]: 136/326 cut-off events.
[2024-12-02 08:30:46,909 INFO L125 PetriNetUnfolderBase]: For 677/685 co-relation queries the response was YES.
[2024-12-02 08:30:46,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 326 events. 136/326 cut-off events. For 677/685 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1298 event pairs, 54 based on Foata normal form. 10/328 useless extension candidates. Maximal degree in co-relation 1067. Up to 120 conditions per place.
[2024-12-02 08:30:46,910 INFO L140 encePairwiseOnDemand]: 24/33 looper letters, 23 selfloop transitions, 8 changer transitions 32/73 dead transitions.
[2024-12-02 08:30:46,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 73 transitions, 601 flow
[2024-12-02 08:30:46,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 08:30:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-12-02 08:30:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 128 transitions.
[2024-12-02 08:30:46,911 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48484848484848486
[2024-12-02 08:30:46,912 INFO L175 Difference]: Start difference. First operand has 84 places, 52 transitions, 407 flow. Second operand 8 states and 128 transitions.
[2024-12-02 08:30:46,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 73 transitions, 601 flow
[2024-12-02 08:30:46,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 73 transitions, 485 flow, removed 10 selfloop flow, removed 21 redundant places.
[2024-12-02 08:30:46,915 INFO L231 Difference]: Finished difference. Result has 70 places, 39 transitions, 223 flow
[2024-12-02 08:30:46,915 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=223, PETRI_PLACES=70, PETRI_TRANSITIONS=39}
[2024-12-02 08:30:46,915 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 33 predicate places.
[2024-12-02 08:30:46,915 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 39 transitions, 223 flow
[2024-12-02 08:30:46,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:46,915 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:46,916 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:46,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 08:30:46,916 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:46,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:46,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1806215824, now seen corresponding path program 3 times
[2024-12-02 08:30:46,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:46,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270242476]
[2024-12-02 08:30:46,916 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 08:30:46,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:46,954 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-12-02 08:30:46,954 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:47,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:47,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270242476]
[2024-12-02 08:30:47,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270242476] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:47,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:47,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 08:30:47,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584256985]
[2024-12-02 08:30:47,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:47,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 08:30:47,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:47,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 08:30:47,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110
[2024-12-02 08:30:47,857 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33
[2024-12-02 08:30:47,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 39 transitions, 223 flow. Second operand has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:47,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:47,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33
[2024-12-02 08:30:47,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:48,204 INFO L124 PetriNetUnfolderBase]: 91/238 cut-off events.
[2024-12-02 08:30:48,204 INFO L125 PetriNetUnfolderBase]: For 178/178 co-relation queries the response was YES.
[2024-12-02 08:30:48,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 238 events. 91/238 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 845 event pairs, 21 based on Foata normal form. 4/238 useless extension candidates. Maximal degree in co-relation 656. Up to 72 conditions per place.
[2024-12-02 08:30:48,205 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 18 selfloop transitions, 4 changer transitions 27/59 dead transitions.
[2024-12-02 08:30:48,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 59 transitions, 380 flow
[2024-12-02 08:30:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 08:30:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-12-02 08:30:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 135 transitions.
[2024-12-02 08:30:48,206 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453
[2024-12-02 08:30:48,206 INFO L175 Difference]: Start difference. First operand has 70 places, 39 transitions, 223 flow. Second operand 9 states and 135 transitions.
[2024-12-02 08:30:48,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 59 transitions, 380 flow
[2024-12-02 08:30:48,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 59 transitions, 290 flow, removed 15 selfloop flow, removed 13 redundant places.
[2024-12-02 08:30:48,208 INFO L231 Difference]: Finished difference. Result has 62 places, 29 transitions, 108 flow
[2024-12-02 08:30:48,208 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=108, PETRI_PLACES=62, PETRI_TRANSITIONS=29}
[2024-12-02 08:30:48,208 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 25 predicate places.
[2024-12-02 08:30:48,209 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 29 transitions, 108 flow
[2024-12-02 08:30:48,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:48,209 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 08:30:48,209 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:48,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 08:30:48,209 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-12-02 08:30:48,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:48,209 INFO L85 PathProgramCache]: Analyzing trace with hash -793706080, now seen corresponding path program 4 times
[2024-12-02 08:30:48,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:48,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674489149]
[2024-12-02 08:30:48,210 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 08:30:48,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:48,278 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 08:30:48,278 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 08:30:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:30:49,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:49,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674489149]
[2024-12-02 08:30:49,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674489149] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:49,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:49,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-12-02 08:30:49,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587825494]
[2024-12-02 08:30:49,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:49,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 08:30:49,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:49,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 08:30:49,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132
[2024-12-02 08:30:49,566 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33
[2024-12-02 08:30:49,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 29 transitions, 108 flow. Second operand has 12 states, 12 states have (on average 12.416666666666666) internal successors, (149), 12 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:49,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 08:30:49,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33
[2024-12-02 08:30:49,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 08:30:49,774 INFO L124 PetriNetUnfolderBase]: 37/100 cut-off events.
[2024-12-02 08:30:49,774 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES.
[2024-12-02 08:30:49,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 100 events. 37/100 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 220 event pairs, 4 based on Foata normal form. 4/102 useless extension candidates. Maximal degree in co-relation 239. Up to 43 conditions per place.
[2024-12-02 08:30:49,775 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 0 selfloop transitions, 0 changer transitions 35/35 dead transitions.
[2024-12-02 08:30:49,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 35 transitions, 170 flow
[2024-12-02 08:30:49,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 08:30:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-12-02 08:30:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 115 transitions.
[2024-12-02 08:30:49,775 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4356060606060606
[2024-12-02 08:30:49,775 INFO L175 Difference]: Start difference. First operand has 62 places, 29 transitions, 108 flow. Second operand 8 states and 115 transitions.
[2024-12-02 08:30:49,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 35 transitions, 170 flow
[2024-12-02 08:30:49,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 35 transitions, 144 flow, removed 3 selfloop flow, removed 13 redundant places.
[2024-12-02 08:30:49,776 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow
[2024-12-02 08:30:49,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0}
[2024-12-02 08:30:49,776 INFO L279 CegarLoopForPetriNet]: 37 programPoint places, 8 predicate places.
[2024-12-02 08:30:49,776 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow
[2024-12-02 08:30:49,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.416666666666666) internal successors, (149), 12 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:49,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2024-12-02 08:30:49,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining)
[2024-12-02 08:30:49,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2024-12-02 08:30:49,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2024-12-02 08:30:49,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining)
[2024-12-02 08:30:49,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 08:30:49,780 INFO L422 BasicCegarLoop]: Path program histogram: [6, 4, 3, 1, 1, 1, 1]
[2024-12-02 08:30:49,784 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 08:30:49,784 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 08:30:49,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:30:49 BasicIcfg
[2024-12-02 08:30:49,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 08:30:49,789 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:30:49,789 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:30:49,789 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 08:30:49,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:30:29" (3/4) ...
[2024-12-02 08:30:49,791 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 08:30:49,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-12-02 08:30:49,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-12-02 08:30:49,797 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges
[2024-12-02 08:30:49,798 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-12-02 08:30:49,798 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 08:30:49,798 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 08:30:49,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 08:30:49,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 08:30:49,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 08:30:49,862 INFO L158 Benchmark]: Toolchain (without parser) took 21419.69ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 91.1MB in the beginning and 378.5MB in the end (delta: -287.4MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB.
[2024-12-02 08:30:49,862 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:30:49,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.23ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 65.3MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 08:30:49,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.23ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 62.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:30:49,863 INFO L158 Benchmark]: Boogie Preprocessor took 48.83ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 58.4MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:30:49,863 INFO L158 Benchmark]: RCFGBuilder took 772.62ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 45.1MB in the end (delta: 13.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB.
[2024-12-02 08:30:49,863 INFO L158 Benchmark]: TraceAbstraction took 19955.65ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 44.6MB in the beginning and 382.6MB in the end (delta: -338.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB.
[2024-12-02 08:30:49,864 INFO L158 Benchmark]: Witness Printer took 71.80ms. Allocated memory is still 503.3MB. Free memory was 382.6MB in the beginning and 378.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:30:49,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 519.23ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 65.3MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.23ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 62.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 48.83ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 58.4MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 772.62ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 45.1MB in the end (delta: 13.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 19955.65ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 44.6MB in the beginning and 382.6MB in the end (delta: -338.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB.
* Witness Printer took 71.80ms. Allocated memory is still 503.3MB. Free memory was 382.6MB in the beginning and 378.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 19]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- PositiveResult [Line: 19]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 19.8s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 680 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 646 mSDsluCounter, 463 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 428 mSDsCounter, 225 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2941 IncrementalHoareTripleChecker+Invalid, 3166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 225 mSolverCounterUnsat, 35 mSDtfsCounter, 2941 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=744occurred in iteration=12, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 3823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 08:30:49,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33df758-baa8-4791-853b-2f5734807f21/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