./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu --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 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:46:16,878 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:46:16,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:46:16,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:46:16,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:46:17,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:46:17,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:46:17,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:46:17,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:46:17,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:46:17,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:46:17,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:46:17,012 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:46:17,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:46:17,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:46:17,014 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:46:17,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:46:17,015 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:46:17,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:46:17,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:46:17,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:46:17,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:46:17,019 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:46:17,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:46:17,020 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:46:17,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:46:17,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:46:17,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:46:17,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:17,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:46:17,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:46:17,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:46:17,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:46:17,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:46:17,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:46:17,048 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:46:17,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:46:17,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:46:17,049 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:46:17,049 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1
[2023-11-19 07:46:17,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:46:17,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:46:17,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:46:17,459 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:46:17,462 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:46:17,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i
[2023-11-19 07:46:20,583 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:46:20,991 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:46:20,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i
[2023-11-19 07:46:21,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/data/690e696b4/38eb1457897b4452ae0f261dd3848aa7/FLAGd39d66619
[2023-11-19 07:46:21,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/data/690e696b4/38eb1457897b4452ae0f261dd3848aa7
[2023-11-19 07:46:21,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:46:21,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:46:21,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:21,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:46:21,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:46:21,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:21,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a72991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21, skipping insertion in model container
[2023-11-19 07:46:21,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:21,104 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:46:21,361 WARN L240 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_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i[949,962]
[2023-11-19 07:46:21,789 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:21,803 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:46:21,818 WARN L240 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_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i[949,962]
[2023-11-19 07:46:21,879 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:21,936 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:21,936 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:21,945 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:46:21,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21 WrapperNode
[2023-11-19 07:46:21,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:21,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:21,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:46:21,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:46:21,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,069 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 159
[2023-11-19 07:46:22,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:22,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:46:22,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:46:22,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:46:22,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:46:22,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:46:22,134 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:46:22,134 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:46:22,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (1/1) ...
[2023-11-19 07:46:22,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:22,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:46:22,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a1b83a6-c607-4fd6-9dec-ebca752dedfa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:46:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:46:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:46:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:46:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:46:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:46:22,231 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2023-11-19 07:46:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2023-11-19 07:46:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2023-11-19 07:46:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2023-11-19 07:46:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2023-11-19 07:46:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2023-11-19 07:46:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2023-11-19 07:46:22,236 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2023-11-19 07:46:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:46:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:46:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:46:22,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:46:22,238 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 07:46:22,392 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:46:22,395 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:46:22,805 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:46:23,000 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:46:23,001 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:46:23,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:23 BoogieIcfgContainer
[2023-11-19 07:46:23,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:46:23,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:46:23,011 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:46:23,016 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:46:23,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:21" (1/3) ...
[2023-11-19 07:46:23,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f5afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:23, skipping insertion in model container
[2023-11-19 07:46:23,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:21" (2/3) ...
[2023-11-19 07:46:23,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f5afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:23, skipping insertion in model container
[2023-11-19 07:46:23,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:23" (3/3) ...
[2023-11-19 07:46:23,024 INFO L112 eAbstractionObserver]: Analyzing ICFG mix053_tso.oepc.i
[2023-11-19 07:46:23,035 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:46:23,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:46:23,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 07:46:23,049 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:46:23,147 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 07:46:23,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 278 flow
[2023-11-19 07:46:23,282 INFO L124 PetriNetUnfolderBase]: 2/127 cut-off events.
[2023-11-19 07:46:23,283 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:46:23,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place.
[2023-11-19 07:46:23,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 278 flow
[2023-11-19 07:46:23,299 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 127 transitions, 266 flow
[2023-11-19 07:46:23,304 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:46:23,322 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 127 transitions, 266 flow
[2023-11-19 07:46:23,328 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 127 transitions, 266 flow
[2023-11-19 07:46:23,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 127 transitions, 266 flow
[2023-11-19 07:46:23,411 INFO L124 PetriNetUnfolderBase]: 2/127 cut-off events.
[2023-11-19 07:46:23,411 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:46:23,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place.
[2023-11-19 07:46:23,418 INFO L119 LiptonReduction]: Number of co-enabled transitions 3262
[2023-11-19 07:46:29,465 INFO L134 LiptonReduction]: Checked pairs total: 8040
[2023-11-19 07:46:29,465 INFO L136 LiptonReduction]: Total number of compositions: 111
[2023-11-19 07:46:29,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:46:29,499 INFO L357 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, mHoare=true, 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;@49165cbc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:46:29,499 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2023-11-19 07:46:29,505 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:46:29,506 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events.
[2023-11-19 07:46:29,506 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:46:29,506 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:29,507 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:29,508 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:29,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1438260119, now seen corresponding path program 1 times
[2023-11-19 07:46:29,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:29,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115081954]
[2023-11-19 07:46:29,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:29,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:30,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:30,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115081954]
[2023-11-19 07:46:30,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115081954] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:30,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:30,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:46:30,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663736303]
[2023-11-19 07:46:30,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:30,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:30,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:30,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:30,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:30,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 242
[2023-11-19 07:46:30,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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)
[2023-11-19 07:46:30,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:30,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 242
[2023-11-19 07:46:30,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:31,594 INFO L124 PetriNetUnfolderBase]: 2855/4235 cut-off events.
[2023-11-19 07:46:31,594 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES.
[2023-11-19 07:46:31,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8311 conditions, 4235 events. 2855/4235 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 23388 event pairs, 545 based on Foata normal form. 0/4027 useless extension candidates. Maximal degree in co-relation 8299. Up to 3103 conditions per place.
[2023-11-19 07:46:31,647 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 33 selfloop transitions, 2 changer transitions 2/41 dead transitions.
[2023-11-19 07:46:31,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 41 transitions, 171 flow
[2023-11-19 07:46:31,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:46:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:46:31,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions.
[2023-11-19 07:46:31,675 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5316804407713499
[2023-11-19 07:46:31,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions.
[2023-11-19 07:46:31,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions.
[2023-11-19 07:46:31,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:31,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions.
[2023-11-19 07:46:31,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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)
[2023-11-19 07:46:31,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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)
[2023-11-19 07:46:31,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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)
[2023-11-19 07:46:31,706 INFO L175 Difference]: Start difference. First operand has 41 places, 28 transitions, 68 flow. Second operand 3 states and 386 transitions.
[2023-11-19 07:46:31,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 41 transitions, 171 flow
[2023-11-19 07:46:31,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 41 transitions, 166 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-11-19 07:46:31,717 INFO L231 Difference]: Finished difference. Result has 38 places, 26 transitions, 64 flow
[2023-11-19 07:46:31,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, 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=3, PETRI_FLOW=64, PETRI_PLACES=38, PETRI_TRANSITIONS=26}
[2023-11-19 07:46:31,726 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -3 predicate places.
[2023-11-19 07:46:31,727 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 26 transitions, 64 flow
[2023-11-19 07:46:31,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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)
[2023-11-19 07:46:31,728 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:31,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:31,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:46:31,729 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:31,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:31,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1888773053, now seen corresponding path program 1 times
[2023-11-19 07:46:31,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:31,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495478296]
[2023-11-19 07:46:31,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:31,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:32,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:32,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495478296]
[2023-11-19 07:46:32,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495478296] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:32,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:32,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:46:32,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903278175]
[2023-11-19 07:46:32,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:32,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:32,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:32,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:32,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:32,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 242
[2023-11-19 07:46:32,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 26 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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)
[2023-11-19 07:46:32,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:32,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 242
[2023-11-19 07:46:32,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:32,946 INFO L124 PetriNetUnfolderBase]: 3047/4342 cut-off events.
[2023-11-19 07:46:32,946 INFO L125 PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES.
[2023-11-19 07:46:32,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9004 conditions, 4342 events. 3047/4342 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 21617 event pairs, 1003 based on Foata normal form. 32/4357 useless extension candidates. Maximal degree in co-relation 8994. Up to 3903 conditions per place.
[2023-11-19 07:46:32,992 INFO L140 encePairwiseOnDemand]: 238/242 looper letters, 37 selfloop transitions, 3 changer transitions 0/43 dead transitions.
[2023-11-19 07:46:32,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 186 flow
[2023-11-19 07:46:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:46:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:46:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions.
[2023-11-19 07:46:32,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5275482093663911
[2023-11-19 07:46:32,996 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 383 transitions.
[2023-11-19 07:46:32,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 383 transitions.
[2023-11-19 07:46:33,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:33,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 383 transitions.
[2023-11-19 07:46:33,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 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)
[2023-11-19 07:46:33,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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)
[2023-11-19 07:46:33,008 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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)
[2023-11-19 07:46:33,008 INFO L175 Difference]: Start difference. First operand has 38 places, 26 transitions, 64 flow. Second operand 3 states and 383 transitions.
[2023-11-19 07:46:33,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 186 flow
[2023-11-19 07:46:33,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 43 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:46:33,013 INFO L231 Difference]: Finished difference. Result has 38 places, 28 transitions, 79 flow
[2023-11-19 07:46:33,020 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=38, PETRI_TRANSITIONS=28}
[2023-11-19 07:46:33,021 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -3 predicate places.
[2023-11-19 07:46:33,022 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 79 flow
[2023-11-19 07:46:33,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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)
[2023-11-19 07:46:33,022 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:33,023 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:33,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:46:33,023 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:33,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:33,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1577579748, now seen corresponding path program 1 times
[2023-11-19 07:46:33,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:33,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131937514]
[2023-11-19 07:46:33,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:33,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:34,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:34,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131937514]
[2023-11-19 07:46:34,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131937514] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:34,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:34,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:34,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729373477]
[2023-11-19 07:46:34,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:34,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:34,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:34,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:34,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:34,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 242
[2023-11-19 07:46:34,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 79 flow. Second operand has 5 states, 5 states have (on average 107.4) internal successors, (537), 5 states have internal predecessors, (537), 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)
[2023-11-19 07:46:34,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:34,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 242
[2023-11-19 07:46:34,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:36,514 INFO L124 PetriNetUnfolderBase]: 8381/11540 cut-off events.
[2023-11-19 07:46:36,514 INFO L125 PetriNetUnfolderBase]: For 1419/1419 co-relation queries the response was YES.
[2023-11-19 07:46:36,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25181 conditions, 11540 events. 8381/11540 cut-off events. For 1419/1419 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 58384 event pairs, 920 based on Foata normal form. 270/11810 useless extension candidates. Maximal degree in co-relation 25170. Up to 8711 conditions per place.
[2023-11-19 07:46:36,632 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 54 selfloop transitions, 13 changer transitions 0/67 dead transitions.
[2023-11-19 07:46:36,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 67 transitions, 313 flow
[2023-11-19 07:46:36,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:46:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:46:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 485 transitions.
[2023-11-19 07:46:36,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5010330578512396
[2023-11-19 07:46:36,637 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 485 transitions.
[2023-11-19 07:46:36,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 485 transitions.
[2023-11-19 07:46:36,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:36,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 485 transitions.
[2023-11-19 07:46:36,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 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)
[2023-11-19 07:46:36,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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)
[2023-11-19 07:46:36,645 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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)
[2023-11-19 07:46:36,645 INFO L175 Difference]: Start difference. First operand has 38 places, 28 transitions, 79 flow. Second operand 4 states and 485 transitions.
[2023-11-19 07:46:36,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 67 transitions, 313 flow
[2023-11-19 07:46:36,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 67 transitions, 308 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:46:36,650 INFO L231 Difference]: Finished difference. Result has 43 places, 40 transitions, 184 flow
[2023-11-19 07:46:36,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=43, PETRI_TRANSITIONS=40}
[2023-11-19 07:46:36,653 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 2 predicate places.
[2023-11-19 07:46:36,657 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 40 transitions, 184 flow
[2023-11-19 07:46:36,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 107.4) internal successors, (537), 5 states have internal predecessors, (537), 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)
[2023-11-19 07:46:36,659 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:36,659 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:36,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:46:36,661 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:36,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2063969707, now seen corresponding path program 1 times
[2023-11-19 07:46:36,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:36,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592430734]
[2023-11-19 07:46:36,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:36,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:37,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:37,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592430734]
[2023-11-19 07:46:37,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592430734] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:37,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:37,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:37,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824346519]
[2023-11-19 07:46:37,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:37,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:37,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:37,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:37,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:37,255 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 242
[2023-11-19 07:46:37,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 40 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 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)
[2023-11-19 07:46:37,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:37,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 242
[2023-11-19 07:46:37,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:39,311 INFO L124 PetriNetUnfolderBase]: 6481/9425 cut-off events.
[2023-11-19 07:46:39,312 INFO L125 PetriNetUnfolderBase]: For 7747/7816 co-relation queries the response was YES.
[2023-11-19 07:46:39,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27021 conditions, 9425 events. 6481/9425 cut-off events. For 7747/7816 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 52862 event pairs, 1107 based on Foata normal form. 107/9338 useless extension candidates. Maximal degree in co-relation 27006. Up to 6986 conditions per place.
[2023-11-19 07:46:39,433 INFO L140 encePairwiseOnDemand]: 235/242 looper letters, 52 selfloop transitions, 13 changer transitions 0/73 dead transitions.
[2023-11-19 07:46:39,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 73 transitions, 434 flow
[2023-11-19 07:46:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:46:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:46:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 507 transitions.
[2023-11-19 07:46:39,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5237603305785123
[2023-11-19 07:46:39,438 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 507 transitions.
[2023-11-19 07:46:39,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 507 transitions.
[2023-11-19 07:46:39,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:39,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 507 transitions.
[2023-11-19 07:46:39,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 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)
[2023-11-19 07:46:39,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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)
[2023-11-19 07:46:39,447 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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)
[2023-11-19 07:46:39,447 INFO L175 Difference]: Start difference. First operand has 43 places, 40 transitions, 184 flow. Second operand 4 states and 507 transitions.
[2023-11-19 07:46:39,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 73 transitions, 434 flow
[2023-11-19 07:46:39,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 73 transitions, 434 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:46:39,461 INFO L231 Difference]: Finished difference. Result has 48 places, 48 transitions, 286 flow
[2023-11-19 07:46:39,462 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=286, PETRI_PLACES=48, PETRI_TRANSITIONS=48}
[2023-11-19 07:46:39,464 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 7 predicate places.
[2023-11-19 07:46:39,464 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 48 transitions, 286 flow
[2023-11-19 07:46:39,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 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)
[2023-11-19 07:46:39,466 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:39,466 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:39,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:46:39,466 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:39,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:39,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2064087352, now seen corresponding path program 1 times
[2023-11-19 07:46:39,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:39,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108090219]
[2023-11-19 07:46:39,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:39,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:40,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:40,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108090219]
[2023-11-19 07:46:40,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108090219] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:40,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:40,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:40,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107350541]
[2023-11-19 07:46:40,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:40,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:40,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:40,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:40,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:40,322 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 242
[2023-11-19 07:46:40,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 48 transitions, 286 flow. Second operand has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 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)
[2023-11-19 07:46:40,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:40,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 242
[2023-11-19 07:46:40,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:41,915 INFO L124 PetriNetUnfolderBase]: 6677/9699 cut-off events.
[2023-11-19 07:46:41,915 INFO L125 PetriNetUnfolderBase]: For 15196/15292 co-relation queries the response was YES.
[2023-11-19 07:46:41,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31493 conditions, 9699 events. 6677/9699 cut-off events. For 15196/15292 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 54651 event pairs, 1152 based on Foata normal form. 116/9625 useless extension candidates. Maximal degree in co-relation 31474. Up to 7453 conditions per place.
[2023-11-19 07:46:42,020 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 62 selfloop transitions, 8 changer transitions 0/78 dead transitions.
[2023-11-19 07:46:42,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 78 transitions, 546 flow
[2023-11-19 07:46:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:46:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:46:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 510 transitions.
[2023-11-19 07:46:42,024 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5268595041322314
[2023-11-19 07:46:42,024 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 510 transitions.
[2023-11-19 07:46:42,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 510 transitions.
[2023-11-19 07:46:42,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:42,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 510 transitions.
[2023-11-19 07:46:42,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 127.5) internal successors, (510), 4 states have internal predecessors, (510), 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)
[2023-11-19 07:46:42,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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)
[2023-11-19 07:46:42,030 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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)
[2023-11-19 07:46:42,031 INFO L175 Difference]: Start difference. First operand has 48 places, 48 transitions, 286 flow. Second operand 4 states and 510 transitions.
[2023-11-19 07:46:42,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 78 transitions, 546 flow
[2023-11-19 07:46:42,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 78 transitions, 540 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:46:42,041 INFO L231 Difference]: Finished difference. Result has 51 places, 53 transitions, 342 flow
[2023-11-19 07:46:42,041 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=342, PETRI_PLACES=51, PETRI_TRANSITIONS=53}
[2023-11-19 07:46:42,042 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 10 predicate places.
[2023-11-19 07:46:42,043 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 53 transitions, 342 flow
[2023-11-19 07:46:42,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 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)
[2023-11-19 07:46:42,043 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:42,044 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:42,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:46:42,044 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:42,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:42,045 INFO L85 PathProgramCache]: Analyzing trace with hash -437874703, now seen corresponding path program 1 times
[2023-11-19 07:46:42,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:42,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646754778]
[2023-11-19 07:46:42,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:42,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:42,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:42,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646754778]
[2023-11-19 07:46:42,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646754778] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:42,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:42,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:42,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557560126]
[2023-11-19 07:46:42,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:42,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:42,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:42,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:42,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:42,676 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 242
[2023-11-19 07:46:42,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 53 transitions, 342 flow. Second operand has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 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)
[2023-11-19 07:46:42,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:42,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 242
[2023-11-19 07:46:42,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:44,679 INFO L124 PetriNetUnfolderBase]: 7183/10354 cut-off events.
[2023-11-19 07:46:44,679 INFO L125 PetriNetUnfolderBase]: For 22198/22529 co-relation queries the response was YES.
[2023-11-19 07:46:44,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36117 conditions, 10354 events. 7183/10354 cut-off events. For 22198/22529 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 57995 event pairs, 1201 based on Foata normal form. 166/10355 useless extension candidates. Maximal degree in co-relation 36096. Up to 7653 conditions per place.
[2023-11-19 07:46:44,816 INFO L140 encePairwiseOnDemand]: 234/242 looper letters, 64 selfloop transitions, 21 changer transitions 0/93 dead transitions.
[2023-11-19 07:46:44,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 93 transitions, 684 flow
[2023-11-19 07:46:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:46:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:46:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 616 transitions.
[2023-11-19 07:46:44,821 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.509090909090909
[2023-11-19 07:46:44,821 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 616 transitions.
[2023-11-19 07:46:44,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 616 transitions.
[2023-11-19 07:46:44,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:44,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 616 transitions.
[2023-11-19 07:46:44,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 123.2) internal successors, (616), 5 states have internal predecessors, (616), 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)
[2023-11-19 07:46:44,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:46:44,830 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:46:44,830 INFO L175 Difference]: Start difference. First operand has 51 places, 53 transitions, 342 flow. Second operand 5 states and 616 transitions.
[2023-11-19 07:46:44,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 93 transitions, 684 flow
[2023-11-19 07:46:44,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 93 transitions, 672 flow, removed 1 selfloop flow, removed 2 redundant places.
[2023-11-19 07:46:44,853 INFO L231 Difference]: Finished difference. Result has 54 places, 61 transitions, 460 flow
[2023-11-19 07:46:44,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=460, PETRI_PLACES=54, PETRI_TRANSITIONS=61}
[2023-11-19 07:46:44,857 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 13 predicate places.
[2023-11-19 07:46:44,857 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 61 transitions, 460 flow
[2023-11-19 07:46:44,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 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)
[2023-11-19 07:46:44,858 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:44,858 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:44,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:46:44,859 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:44,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:44,860 INFO L85 PathProgramCache]: Analyzing trace with hash -441495193, now seen corresponding path program 2 times
[2023-11-19 07:46:44,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:44,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870301275]
[2023-11-19 07:46:44,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:44,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:45,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:45,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870301275]
[2023-11-19 07:46:45,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870301275] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:45,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:45,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:46:45,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596782008]
[2023-11-19 07:46:45,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:45,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:46:45,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:45,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:46:45,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:46:45,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 242
[2023-11-19 07:46:45,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 61 transitions, 460 flow. Second operand has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 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)
[2023-11-19 07:46:45,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:45,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 242
[2023-11-19 07:46:45,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:47,474 INFO L124 PetriNetUnfolderBase]: 7321/10552 cut-off events.
[2023-11-19 07:46:47,474 INFO L125 PetriNetUnfolderBase]: For 32770/33105 co-relation queries the response was YES.
[2023-11-19 07:46:47,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40533 conditions, 10552 events. 7321/10552 cut-off events. For 32770/33105 co-relation queries the response was YES. Maximal size of possible extension queue 505. Compared 59289 event pairs, 1205 based on Foata normal form. 170/10556 useless extension candidates. Maximal degree in co-relation 40511. Up to 7695 conditions per place.
[2023-11-19 07:46:47,619 INFO L140 encePairwiseOnDemand]: 234/242 looper letters, 68 selfloop transitions, 27 changer transitions 0/103 dead transitions.
[2023-11-19 07:46:47,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 103 transitions, 840 flow
[2023-11-19 07:46:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:46:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:46:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 746 transitions.
[2023-11-19 07:46:47,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5137741046831956
[2023-11-19 07:46:47,624 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 746 transitions.
[2023-11-19 07:46:47,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 746 transitions.
[2023-11-19 07:46:47,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:47,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 746 transitions.
[2023-11-19 07:46:47,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.33333333333333) internal successors, (746), 6 states have internal predecessors, (746), 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)
[2023-11-19 07:46:47,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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)
[2023-11-19 07:46:47,633 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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)
[2023-11-19 07:46:47,633 INFO L175 Difference]: Start difference. First operand has 54 places, 61 transitions, 460 flow. Second operand 6 states and 746 transitions.
[2023-11-19 07:46:47,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 103 transitions, 840 flow
[2023-11-19 07:46:47,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 103 transitions, 788 flow, removed 10 selfloop flow, removed 3 redundant places.
[2023-11-19 07:46:47,701 INFO L231 Difference]: Finished difference. Result has 57 places, 67 transitions, 542 flow
[2023-11-19 07:46:47,702 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=542, PETRI_PLACES=57, PETRI_TRANSITIONS=67}
[2023-11-19 07:46:47,703 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 16 predicate places.
[2023-11-19 07:46:47,703 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 67 transitions, 542 flow
[2023-11-19 07:46:47,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 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)
[2023-11-19 07:46:47,704 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:47,704 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:47,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:46:47,705 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:47,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:47,706 INFO L85 PathProgramCache]: Analyzing trace with hash -441449623, now seen corresponding path program 3 times
[2023-11-19 07:46:47,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:47,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627929476]
[2023-11-19 07:46:47,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:47,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:48,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:48,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627929476]
[2023-11-19 07:46:48,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627929476] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:48,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:48,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:46:48,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634896601]
[2023-11-19 07:46:48,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:48,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:46:48,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:48,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:46:48,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:46:48,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 242
[2023-11-19 07:46:48,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 67 transitions, 542 flow. Second operand has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 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)
[2023-11-19 07:46:48,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:48,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 242
[2023-11-19 07:46:48,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:49,799 INFO L124 PetriNetUnfolderBase]: 8356/12033 cut-off events.
[2023-11-19 07:46:49,799 INFO L125 PetriNetUnfolderBase]: For 48422/48794 co-relation queries the response was YES.
[2023-11-19 07:46:49,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47932 conditions, 12033 events. 8356/12033 cut-off events. For 48422/48794 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 69145 event pairs, 1150 based on Foata normal form. 245/11980 useless extension candidates. Maximal degree in co-relation 47909. Up to 8400 conditions per place.
[2023-11-19 07:46:49,926 INFO L140 encePairwiseOnDemand]: 234/242 looper letters, 79 selfloop transitions, 23 changer transitions 0/110 dead transitions.
[2023-11-19 07:46:49,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 110 transitions, 988 flow
[2023-11-19 07:46:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:46:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:46:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 626 transitions.
[2023-11-19 07:46:49,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5173553719008265
[2023-11-19 07:46:49,930 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 626 transitions.
[2023-11-19 07:46:49,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 626 transitions.
[2023-11-19 07:46:49,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:49,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 626 transitions.
[2023-11-19 07:46:49,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.2) internal successors, (626), 5 states have internal predecessors, (626), 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)
[2023-11-19 07:46:49,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:46:49,937 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:46:49,937 INFO L175 Difference]: Start difference. First operand has 57 places, 67 transitions, 542 flow. Second operand 5 states and 626 transitions.
[2023-11-19 07:46:49,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 110 transitions, 988 flow
[2023-11-19 07:46:50,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 110 transitions, 914 flow, removed 14 selfloop flow, removed 4 redundant places.
[2023-11-19 07:46:50,071 INFO L231 Difference]: Finished difference. Result has 58 places, 75 transitions, 640 flow
[2023-11-19 07:46:50,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=640, PETRI_PLACES=58, PETRI_TRANSITIONS=75}
[2023-11-19 07:46:50,074 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 17 predicate places.
[2023-11-19 07:46:50,074 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 75 transitions, 640 flow
[2023-11-19 07:46:50,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 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)
[2023-11-19 07:46:50,077 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:50,077 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:50,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:46:50,078 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:50,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:50,079 INFO L85 PathProgramCache]: Analyzing trace with hash -734530402, now seen corresponding path program 1 times
[2023-11-19 07:46:50,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:50,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368749331]
[2023-11-19 07:46:50,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:50,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:50,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368749331]
[2023-11-19 07:46:50,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368749331] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:50,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:50,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:46:50,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501882344]
[2023-11-19 07:46:50,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:50,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:46:50,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:50,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:46:50,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:46:50,621 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 242
[2023-11-19 07:46:50,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 75 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 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)
[2023-11-19 07:46:50,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:50,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 242
[2023-11-19 07:46:50,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:52,585 INFO L124 PetriNetUnfolderBase]: 9439/13594 cut-off events.
[2023-11-19 07:46:52,585 INFO L125 PetriNetUnfolderBase]: For 74580/75178 co-relation queries the response was YES.
[2023-11-19 07:46:52,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59066 conditions, 13594 events. 9439/13594 cut-off events. For 74580/75178 co-relation queries the response was YES. Maximal size of possible extension queue 718. Compared 80276 event pairs, 1345 based on Foata normal form. 591/13901 useless extension candidates. Maximal degree in co-relation 59042. Up to 7596 conditions per place.
[2023-11-19 07:46:52,715 INFO L140 encePairwiseOnDemand]: 234/242 looper letters, 75 selfloop transitions, 53 changer transitions 0/136 dead transitions.
[2023-11-19 07:46:52,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 136 transitions, 1288 flow
[2023-11-19 07:46:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:46:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-19 07:46:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 869 transitions.
[2023-11-19 07:46:52,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.512987012987013
[2023-11-19 07:46:52,721 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 869 transitions.
[2023-11-19 07:46:52,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 869 transitions.
[2023-11-19 07:46:52,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:52,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 869 transitions.
[2023-11-19 07:46:52,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.14285714285714) internal successors, (869), 7 states have internal predecessors, (869), 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)
[2023-11-19 07:46:52,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 242.0) internal successors, (1936), 8 states have internal predecessors, (1936), 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)
[2023-11-19 07:46:52,731 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 242.0) internal successors, (1936), 8 states have internal predecessors, (1936), 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)
[2023-11-19 07:46:52,732 INFO L175 Difference]: Start difference. First operand has 58 places, 75 transitions, 640 flow. Second operand 7 states and 869 transitions.
[2023-11-19 07:46:52,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 136 transitions, 1288 flow
[2023-11-19 07:46:52,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 136 transitions, 1173 flow, removed 47 selfloop flow, removed 2 redundant places.
[2023-11-19 07:46:52,991 INFO L231 Difference]: Finished difference. Result has 64 places, 89 transitions, 911 flow
[2023-11-19 07:46:52,991 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=911, PETRI_PLACES=64, PETRI_TRANSITIONS=89}
[2023-11-19 07:46:52,992 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 23 predicate places.
[2023-11-19 07:46:52,992 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 89 transitions, 911 flow
[2023-11-19 07:46:52,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 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)
[2023-11-19 07:46:52,993 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:52,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:52,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:46:52,994 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:52,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:52,994 INFO L85 PathProgramCache]: Analyzing trace with hash -689217299, now seen corresponding path program 1 times
[2023-11-19 07:46:52,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:52,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310545978]
[2023-11-19 07:46:52,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:52,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:53,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:53,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310545978]
[2023-11-19 07:46:53,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310545978] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:53,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:53,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:46:53,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906320653]
[2023-11-19 07:46:53,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:53,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:46:53,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:53,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:46:53,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:46:53,627 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 242
[2023-11-19 07:46:53,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 89 transitions, 911 flow. Second operand has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 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)
[2023-11-19 07:46:53,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:53,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 242
[2023-11-19 07:46:53,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:55,500 INFO L124 PetriNetUnfolderBase]: 10115/14595 cut-off events.
[2023-11-19 07:46:55,500 INFO L125 PetriNetUnfolderBase]: For 89272/90348 co-relation queries the response was YES.
[2023-11-19 07:46:55,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66724 conditions, 14595 events. 10115/14595 cut-off events. For 89272/90348 co-relation queries the response was YES. Maximal size of possible extension queue 780. Compared 87537 event pairs, 1694 based on Foata normal form. 556/14822 useless extension candidates. Maximal degree in co-relation 66698. Up to 10620 conditions per place.
[2023-11-19 07:46:55,635 INFO L140 encePairwiseOnDemand]: 234/242 looper letters, 95 selfloop transitions, 25 changer transitions 0/128 dead transitions.
[2023-11-19 07:46:55,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 128 transitions, 1387 flow
[2023-11-19 07:46:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:46:55,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:46:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 627 transitions.
[2023-11-19 07:46:55,639 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5181818181818182
[2023-11-19 07:46:55,639 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 627 transitions.
[2023-11-19 07:46:55,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 627 transitions.
[2023-11-19 07:46:55,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:55,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 627 transitions.
[2023-11-19 07:46:55,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 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)
[2023-11-19 07:46:55,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:46:55,646 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:46:55,646 INFO L175 Difference]: Start difference. First operand has 64 places, 89 transitions, 911 flow. Second operand 5 states and 627 transitions.
[2023-11-19 07:46:55,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 128 transitions, 1387 flow
[2023-11-19 07:46:56,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 128 transitions, 1334 flow, removed 16 selfloop flow, removed 3 redundant places.
[2023-11-19 07:46:56,031 INFO L231 Difference]: Finished difference. Result has 66 places, 95 transitions, 1018 flow
[2023-11-19 07:46:56,032 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1018, PETRI_PLACES=66, PETRI_TRANSITIONS=95}
[2023-11-19 07:46:56,033 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 25 predicate places.
[2023-11-19 07:46:56,033 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 95 transitions, 1018 flow
[2023-11-19 07:46:56,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 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)
[2023-11-19 07:46:56,037 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:56,037 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:56,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 07:46:56,038 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:56,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:56,039 INFO L85 PathProgramCache]: Analyzing trace with hash -801566879, now seen corresponding path program 2 times
[2023-11-19 07:46:56,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:56,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15581032]
[2023-11-19 07:46:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:56,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:56,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:56,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15581032]
[2023-11-19 07:46:56,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15581032] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:56,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:56,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:46:56,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66430139]
[2023-11-19 07:46:56,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:56,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:46:56,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:56,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:46:56,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:46:56,700 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 242
[2023-11-19 07:46:56,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 95 transitions, 1018 flow. Second operand has 7 states, 7 states have (on average 114.14285714285714) internal successors, (799), 7 states have internal predecessors, (799), 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)
[2023-11-19 07:46:56,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:56,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 242
[2023-11-19 07:46:56,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:46:58,727 INFO L124 PetriNetUnfolderBase]: 10318/14916 cut-off events.
[2023-11-19 07:46:58,727 INFO L125 PetriNetUnfolderBase]: For 99126/100196 co-relation queries the response was YES.
[2023-11-19 07:46:58,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69724 conditions, 14916 events. 10318/14916 cut-off events. For 99126/100196 co-relation queries the response was YES. Maximal size of possible extension queue 808. Compared 90166 event pairs, 1792 based on Foata normal form. 565/15146 useless extension candidates. Maximal degree in co-relation 69697. Up to 10418 conditions per place.
[2023-11-19 07:46:58,850 INFO L140 encePairwiseOnDemand]: 234/242 looper letters, 95 selfloop transitions, 29 changer transitions 0/132 dead transitions.
[2023-11-19 07:46:58,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 132 transitions, 1496 flow
[2023-11-19 07:46:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:46:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:46:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 622 transitions.
[2023-11-19 07:46:58,854 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5140495867768595
[2023-11-19 07:46:58,854 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 622 transitions.
[2023-11-19 07:46:58,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 622 transitions.
[2023-11-19 07:46:58,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:46:58,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 622 transitions.
[2023-11-19 07:46:58,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.4) internal successors, (622), 5 states have internal predecessors, (622), 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)
[2023-11-19 07:46:58,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:46:58,862 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:46:58,862 INFO L175 Difference]: Start difference. First operand has 66 places, 95 transitions, 1018 flow. Second operand 5 states and 622 transitions.
[2023-11-19 07:46:58,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 132 transitions, 1496 flow
[2023-11-19 07:46:59,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 132 transitions, 1432 flow, removed 14 selfloop flow, removed 3 redundant places.
[2023-11-19 07:46:59,079 INFO L231 Difference]: Finished difference. Result has 68 places, 99 transitions, 1108 flow
[2023-11-19 07:46:59,079 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=954, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1108, PETRI_PLACES=68, PETRI_TRANSITIONS=99}
[2023-11-19 07:46:59,080 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 27 predicate places.
[2023-11-19 07:46:59,080 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 99 transitions, 1108 flow
[2023-11-19 07:46:59,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.14285714285714) internal successors, (799), 7 states have internal predecessors, (799), 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)
[2023-11-19 07:46:59,081 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:46:59,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:59,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-19 07:46:59,081 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:46:59,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:59,082 INFO L85 PathProgramCache]: Analyzing trace with hash -800039819, now seen corresponding path program 3 times
[2023-11-19 07:46:59,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:59,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588105576]
[2023-11-19 07:46:59,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:59,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:59,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:59,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588105576]
[2023-11-19 07:46:59,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588105576] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:59,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:59,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:46:59,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123957345]
[2023-11-19 07:46:59,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:59,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:46:59,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:59,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:46:59,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:46:59,876 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 242
[2023-11-19 07:46:59,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 99 transitions, 1108 flow. Second operand has 7 states, 7 states have (on average 115.14285714285714) internal successors, (806), 7 states have internal predecessors, (806), 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)
[2023-11-19 07:46:59,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:46:59,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 242
[2023-11-19 07:46:59,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:47:02,247 INFO L124 PetriNetUnfolderBase]: 10705/15495 cut-off events.
[2023-11-19 07:47:02,247 INFO L125 PetriNetUnfolderBase]: For 115020/116074 co-relation queries the response was YES.
[2023-11-19 07:47:02,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73479 conditions, 15495 events. 10705/15495 cut-off events. For 115020/116074 co-relation queries the response was YES. Maximal size of possible extension queue 859. Compared 95155 event pairs, 1498 based on Foata normal form. 496/15526 useless extension candidates. Maximal degree in co-relation 73451. Up to 10274 conditions per place.
[2023-11-19 07:47:02,386 INFO L140 encePairwiseOnDemand]: 235/242 looper letters, 101 selfloop transitions, 31 changer transitions 0/140 dead transitions.
[2023-11-19 07:47:02,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 140 transitions, 1672 flow
[2023-11-19 07:47:02,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:47:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:47:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 626 transitions.
[2023-11-19 07:47:02,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5173553719008265
[2023-11-19 07:47:02,390 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 626 transitions.
[2023-11-19 07:47:02,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 626 transitions.
[2023-11-19 07:47:02,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:47:02,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 626 transitions.
[2023-11-19 07:47:02,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.2) internal successors, (626), 5 states have internal predecessors, (626), 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)
[2023-11-19 07:47:02,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:47:02,397 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:47:02,398 INFO L175 Difference]: Start difference. First operand has 68 places, 99 transitions, 1108 flow. Second operand 5 states and 626 transitions.
[2023-11-19 07:47:02,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 140 transitions, 1672 flow
[2023-11-19 07:47:02,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 140 transitions, 1620 flow, removed 6 selfloop flow, removed 3 redundant places.
[2023-11-19 07:47:02,738 INFO L231 Difference]: Finished difference. Result has 70 places, 105 transitions, 1262 flow
[2023-11-19 07:47:02,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1262, PETRI_PLACES=70, PETRI_TRANSITIONS=105}
[2023-11-19 07:47:02,739 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 29 predicate places.
[2023-11-19 07:47:02,739 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 105 transitions, 1262 flow
[2023-11-19 07:47:02,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.14285714285714) internal successors, (806), 7 states have internal predecessors, (806), 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)
[2023-11-19 07:47:02,740 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:47:02,740 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:47:02,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-19 07:47:02,740 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-19 07:47:02,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:02,741 INFO L85 PathProgramCache]: Analyzing trace with hash -687047113, now seen corresponding path program 1 times
[2023-11-19 07:47:02,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:47:02,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740867701]
[2023-11-19 07:47:02,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:02,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:47:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:47:02,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:47:02,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740867701]
[2023-11-19 07:47:02,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740867701] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:02,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:02,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:47:02,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498233386]
[2023-11-19 07:47:02,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:02,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:47:02,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:47:02,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:47:02,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:47:03,006 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 242
[2023-11-19 07:47:03,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 105 transitions, 1262 flow. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 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)
[2023-11-19 07:47:03,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:47:03,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 242
[2023-11-19 07:47:03,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:47:05,195 INFO L124 PetriNetUnfolderBase]: 8613/12607 cut-off events.
[2023-11-19 07:47:05,196 INFO L125 PetriNetUnfolderBase]: For 146774/148843 co-relation queries the response was YES.
[2023-11-19 07:47:05,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64689 conditions, 12607 events. 8613/12607 cut-off events. For 146774/148843 co-relation queries the response was YES. Maximal size of possible extension queue 843. Compared 79431 event pairs, 1491 based on Foata normal form. 2148/14246 useless extension candidates. Maximal degree in co-relation 64660. Up to 7933 conditions per place.
[2023-11-19 07:47:05,303 INFO L140 encePairwiseOnDemand]: 235/242 looper letters, 241 selfloop transitions, 10 changer transitions 4/266 dead transitions.
[2023-11-19 07:47:05,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 266 transitions, 3728 flow
[2023-11-19 07:47:05,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:47:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:47:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 599 transitions.
[2023-11-19 07:47:05,306 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49504132231404957
[2023-11-19 07:47:05,306 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 599 transitions.
[2023-11-19 07:47:05,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 599 transitions.
[2023-11-19 07:47:05,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:47:05,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 599 transitions.
[2023-11-19 07:47:05,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 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)
[2023-11-19 07:47:05,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:47:05,313 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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)
[2023-11-19 07:47:05,314 INFO L175 Difference]: Start difference. First operand has 70 places, 105 transitions, 1262 flow. Second operand 5 states and 599 transitions.
[2023-11-19 07:47:05,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 266 transitions, 3728 flow