./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:12:20,463 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:12:20,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:12:20,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:12:20,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:12:20,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:12:20,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:12:20,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:12:20,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:12:20,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:12:20,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:12:20,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:12:20,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:12:20,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:12:20,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:12:20,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:12:20,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:12:20,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:12:20,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:12:20,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:12:20,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:12:20,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:12:20,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:12:20,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:12:20,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:12:20,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:12:20,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:12:20,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:12:20,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:12:20,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:12:20,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:12:20,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:12:20,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:12:20,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:12:20,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:12:20,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:12:20,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:12:20,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:12:20,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:12:20,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:12:20,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:12:20,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-11-02 20:12:20,580 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:12:20,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:12:20,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:12:20,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:12:20,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:12:20,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:12:20,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:12:20,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:12:20,588 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:12:20,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:12:20,589 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:12:20,589 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:12:20,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:12:20,590 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:12:20,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:12:20,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:12:20,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:12:20,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:12:20,593 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2022-11-02 20:12:20,593 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:12:20,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:12:20,593 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:12:20,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:12:20,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:12:20,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:12:20,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:12:20,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:12:20,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:12:20,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:12:20,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:12:20,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:12:20,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:12:20,599 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:12:20,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:12:20,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:12:20,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da
[2022-11-02 20:12:20,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:12:20,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:12:20,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:12:20,989 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:12:20,990 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:12:20,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c
[2022-11-02 20:12:21,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/data/b0bd9daab/071622b082284209b9db9955a5a42062/FLAGc78d6d57d
[2022-11-02 20:12:21,692 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:12:21,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c
[2022-11-02 20:12:21,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/data/b0bd9daab/071622b082284209b9db9955a5a42062/FLAGc78d6d57d
[2022-11-02 20:12:21,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/data/b0bd9daab/071622b082284209b9db9955a5a42062
[2022-11-02 20:12:21,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:12:21,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:12:22,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:12:22,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:12:22,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:12:22,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:12:21" (1/1) ...
[2022-11-02 20:12:22,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a27f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22, skipping insertion in model container
[2022-11-02 20:12:22,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:12:21" (1/1) ...
[2022-11-02 20:12:22,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:12:22,054 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:12:22,316 WARN L230 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_913a268d-73a8-4272-bdc5-e3ca1be948a9/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2482,2495]
[2022-11-02 20:12:22,326 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:12:22,335 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:12:22,372 WARN L230 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_913a268d-73a8-4272-bdc5-e3ca1be948a9/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2482,2495]
[2022-11-02 20:12:22,378 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:12:22,393 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:12:22,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22 WrapperNode
[2022-11-02 20:12:22,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:12:22,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:12:22,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:12:22,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:12:22,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,499 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 364
[2022-11-02 20:12:22,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:12:22,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:12:22,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:12:22,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:12:22,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:12:22,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:12:22,602 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:12:22,602 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:12:22,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (1/1) ...
[2022-11-02 20:12:22,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:12:22,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:12:22,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:12:22,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:12:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:12:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:12:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:12:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:12:22,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-11-02 20:12:22,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-11-02 20:12:22,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-11-02 20:12:22,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-11-02 20:12:22,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:12:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-11-02 20:12:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:12:22,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:12:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:12:22,751 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:12:22,908 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:12:22,911 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:12:23,808 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:12:23,821 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:12:23,822 INFO L300 CfgBuilder]: Removed 4 assume(true) statements.
[2022-11-02 20:12:23,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:23 BoogieIcfgContainer
[2022-11-02 20:12:23,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:12:23,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:12:23,828 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:12:23,832 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:12:23,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:12:21" (1/3) ...
[2022-11-02 20:12:23,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512850d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:12:23, skipping insertion in model container
[2022-11-02 20:12:23,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:22" (2/3) ...
[2022-11-02 20:12:23,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512850d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:12:23, skipping insertion in model container
[2022-11-02 20:12:23,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:23" (3/3) ...
[2022-11-02 20:12:23,835 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c
[2022-11-02 20:12:23,845 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:12:23,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:12:23,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations.
[2022-11-02 20:12:23,859 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:12:24,053 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-11-02 20:12:24,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 453 places, 472 transitions, 960 flow
[2022-11-02 20:12:24,432 INFO L130 PetriNetUnfolder]: 26/470 cut-off events.
[2022-11-02 20:12:24,432 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-11-02 20:12:24,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 470 events. 26/470 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 939 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 271. Up to 3 conditions per place.
[2022-11-02 20:12:24,449 INFO L82 GeneralOperation]: Start removeDead. Operand has 453 places, 472 transitions, 960 flow
[2022-11-02 20:12:24,467 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 432 places, 449 transitions, 910 flow
[2022-11-02 20:12:24,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:12:24,497 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=LoopsAndPotentialCycles, 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;@4a63c4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:12:24,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations.
[2022-11-02 20:12:24,502 INFO L130 PetriNetUnfolder]: 0/24 cut-off events.
[2022-11-02 20:12:24,502 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:12:24,502 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:24,503 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:24,504 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:24,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:24,509 INFO L85 PathProgramCache]: Analyzing trace with hash -264134063, now seen corresponding path program 1 times
[2022-11-02 20:12:24,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:24,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416753419]
[2022-11-02 20:12:24,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:24,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:24,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:24,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:24,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416753419]
[2022-11-02 20:12:24,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416753419] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:24,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:24,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:24,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370358884]
[2022-11-02 20:12:24,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:24,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:24,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:24,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:24,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:24,895 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 472
[2022-11-02 20:12:24,903 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 449 transitions, 910 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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)
[2022-11-02 20:12:24,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:24,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 472
[2022-11-02 20:12:24,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:25,454 INFO L130 PetriNetUnfolder]: 96/1752 cut-off events.
[2022-11-02 20:12:25,454 INFO L131 PetriNetUnfolder]: For 34/36 co-relation queries the response was YES.
[2022-11-02 20:12:25,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1752 events. 96/1752 cut-off events. For 34/36 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 11531 event pairs, 48 based on Foata normal form. 36/1492 useless extension candidates. Maximal degree in co-relation 1554. Up to 127 conditions per place.
[2022-11-02 20:12:25,475 INFO L137 encePairwiseOnDemand]: 455/472 looper letters, 22 selfloop transitions, 2 changer transitions 6/434 dead transitions.
[2022-11-02 20:12:25,475 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 434 transitions, 928 flow
[2022-11-02 20:12:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:25,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1332 transitions.
[2022-11-02 20:12:25,507 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.940677966101695
[2022-11-02 20:12:25,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1332 transitions.
[2022-11-02 20:12:25,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1332 transitions.
[2022-11-02 20:12:25,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:25,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1332 transitions.
[2022-11-02 20:12:25,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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)
[2022-11-02 20:12:25,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:25,544 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:25,547 INFO L175 Difference]: Start difference. First operand has 432 places, 449 transitions, 910 flow. Second operand 3 states and 1332 transitions.
[2022-11-02 20:12:25,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 434 transitions, 928 flow
[2022-11-02 20:12:25,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 434 transitions, 920 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:12:25,577 INFO L231 Difference]: Finished difference. Result has 429 places, 428 transitions, 864 flow
[2022-11-02 20:12:25,580 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=864, PETRI_PLACES=429, PETRI_TRANSITIONS=428}
[2022-11-02 20:12:25,587 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -3 predicate places.
[2022-11-02 20:12:25,587 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 428 transitions, 864 flow
[2022-11-02 20:12:25,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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)
[2022-11-02 20:12:25,589 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:25,589 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:25,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:12:25,590 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:25,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash -151250792, now seen corresponding path program 1 times
[2022-11-02 20:12:25,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:25,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104337662]
[2022-11-02 20:12:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:25,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:25,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:25,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104337662]
[2022-11-02 20:12:25,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104337662] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:25,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:25,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:25,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740512435]
[2022-11-02 20:12:25,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:25,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:25,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:25,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:25,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:25,741 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 472
[2022-11-02 20:12:25,744 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 428 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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)
[2022-11-02 20:12:25,744 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:25,751 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 472
[2022-11-02 20:12:25,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:26,297 INFO L130 PetriNetUnfolder]: 101/1740 cut-off events.
[2022-11-02 20:12:26,297 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES.
[2022-11-02 20:12:26,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1885 conditions, 1740 events. 101/1740 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 11355 event pairs, 48 based on Foata normal form. 0/1453 useless extension candidates. Maximal degree in co-relation 1852. Up to 131 conditions per place.
[2022-11-02 20:12:26,323 INFO L137 encePairwiseOnDemand]: 469/472 looper letters, 22 selfloop transitions, 2 changer transitions 0/427 dead transitions.
[2022-11-02 20:12:26,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 427 transitions, 910 flow
[2022-11-02 20:12:26,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1318 transitions.
[2022-11-02 20:12:26,329 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9307909604519774
[2022-11-02 20:12:26,329 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1318 transitions.
[2022-11-02 20:12:26,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1318 transitions.
[2022-11-02 20:12:26,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:26,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1318 transitions.
[2022-11-02 20:12:26,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 439.3333333333333) internal successors, (1318), 3 states have internal predecessors, (1318), 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)
[2022-11-02 20:12:26,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:26,340 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:26,340 INFO L175 Difference]: Start difference. First operand has 429 places, 428 transitions, 864 flow. Second operand 3 states and 1318 transitions.
[2022-11-02 20:12:26,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 427 transitions, 910 flow
[2022-11-02 20:12:26,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 427 transitions, 906 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:26,351 INFO L231 Difference]: Finished difference. Result has 422 places, 427 transitions, 862 flow
[2022-11-02 20:12:26,352 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=422, PETRI_TRANSITIONS=427}
[2022-11-02 20:12:26,354 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -10 predicate places.
[2022-11-02 20:12:26,354 INFO L495 AbstractCegarLoop]: Abstraction has has 422 places, 427 transitions, 862 flow
[2022-11-02 20:12:26,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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)
[2022-11-02 20:12:26,355 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:26,356 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:26,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:12:26,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:26,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:26,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1968287616, now seen corresponding path program 1 times
[2022-11-02 20:12:26,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:26,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702360761]
[2022-11-02 20:12:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:26,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:26,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702360761]
[2022-11-02 20:12:26,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702360761] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:26,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:26,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:26,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717617082]
[2022-11-02 20:12:26,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:26,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:26,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:26,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:26,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:26,480 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 472
[2022-11-02 20:12:26,483 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 427 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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)
[2022-11-02 20:12:26,483 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:26,483 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 472
[2022-11-02 20:12:26,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:26,795 INFO L130 PetriNetUnfolder]: 62/1390 cut-off events.
[2022-11-02 20:12:26,795 INFO L131 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES.
[2022-11-02 20:12:26,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1470 conditions, 1390 events. 62/1390 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8180 event pairs, 24 based on Foata normal form. 0/1187 useless extension candidates. Maximal degree in co-relation 1429. Up to 67 conditions per place.
[2022-11-02 20:12:26,811 INFO L137 encePairwiseOnDemand]: 466/472 looper letters, 15 selfloop transitions, 1 changer transitions 0/422 dead transitions.
[2022-11-02 20:12:26,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 422 transitions, 884 flow
[2022-11-02 20:12:26,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:26,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1323 transitions.
[2022-11-02 20:12:26,815 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.934322033898305
[2022-11-02 20:12:26,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1323 transitions.
[2022-11-02 20:12:26,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1323 transitions.
[2022-11-02 20:12:26,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:26,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1323 transitions.
[2022-11-02 20:12:26,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 441.0) internal successors, (1323), 3 states have internal predecessors, (1323), 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)
[2022-11-02 20:12:26,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:26,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:26,826 INFO L175 Difference]: Start difference. First operand has 422 places, 427 transitions, 862 flow. Second operand 3 states and 1323 transitions.
[2022-11-02 20:12:26,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 422 transitions, 884 flow
[2022-11-02 20:12:26,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 422 transitions, 880 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:26,837 INFO L231 Difference]: Finished difference. Result has 417 places, 422 transitions, 850 flow
[2022-11-02 20:12:26,838 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=850, PETRI_PLACES=417, PETRI_TRANSITIONS=422}
[2022-11-02 20:12:26,839 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -15 predicate places.
[2022-11-02 20:12:26,839 INFO L495 AbstractCegarLoop]: Abstraction has has 417 places, 422 transitions, 850 flow
[2022-11-02 20:12:26,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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)
[2022-11-02 20:12:26,840 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:26,840 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:26,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:12:26,841 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:26,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:26,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1772562868, now seen corresponding path program 1 times
[2022-11-02 20:12:26,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:26,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094533607]
[2022-11-02 20:12:26,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:26,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:26,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:26,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094533607]
[2022-11-02 20:12:26,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094533607] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:26,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:26,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:26,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561478046]
[2022-11-02 20:12:26,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:26,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:26,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:26,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:26,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:26,924 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 472
[2022-11-02 20:12:26,926 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 422 transitions, 850 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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)
[2022-11-02 20:12:26,926 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:26,926 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 472
[2022-11-02 20:12:26,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:27,286 INFO L130 PetriNetUnfolder]: 99/1449 cut-off events.
[2022-11-02 20:12:27,286 INFO L131 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES.
[2022-11-02 20:12:27,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1604 conditions, 1449 events. 99/1449 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8494 event pairs, 48 based on Foata normal form. 0/1235 useless extension candidates. Maximal degree in co-relation 1564. Up to 142 conditions per place.
[2022-11-02 20:12:27,304 INFO L137 encePairwiseOnDemand]: 469/472 looper letters, 19 selfloop transitions, 2 changer transitions 0/421 dead transitions.
[2022-11-02 20:12:27,304 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 421 transitions, 890 flow
[2022-11-02 20:12:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1324 transitions.
[2022-11-02 20:12:27,309 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9350282485875706
[2022-11-02 20:12:27,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1324 transitions.
[2022-11-02 20:12:27,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1324 transitions.
[2022-11-02 20:12:27,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:27,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1324 transitions.
[2022-11-02 20:12:27,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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)
[2022-11-02 20:12:27,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:27,320 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:27,320 INFO L175 Difference]: Start difference. First operand has 417 places, 422 transitions, 850 flow. Second operand 3 states and 1324 transitions.
[2022-11-02 20:12:27,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 421 transitions, 890 flow
[2022-11-02 20:12:27,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 421 transitions, 889 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-02 20:12:27,331 INFO L231 Difference]: Finished difference. Result has 417 places, 421 transitions, 851 flow
[2022-11-02 20:12:27,332 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=851, PETRI_PLACES=417, PETRI_TRANSITIONS=421}
[2022-11-02 20:12:27,333 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -15 predicate places.
[2022-11-02 20:12:27,333 INFO L495 AbstractCegarLoop]: Abstraction has has 417 places, 421 transitions, 851 flow
[2022-11-02 20:12:27,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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)
[2022-11-02 20:12:27,334 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:27,335 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:27,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:12:27,335 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash 740670494, now seen corresponding path program 1 times
[2022-11-02 20:12:27,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:27,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947872799]
[2022-11-02 20:12:27,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:27,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:27,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:27,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947872799]
[2022-11-02 20:12:27,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947872799] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:27,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:27,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:12:27,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699126165]
[2022-11-02 20:12:27,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:27,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:12:27,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:27,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:12:27,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:12:27,981 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 472
[2022-11-02 20:12:27,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 421 transitions, 851 flow. Second operand has 6 states, 6 states have (on average 359.8333333333333) internal successors, (2159), 6 states have internal predecessors, (2159), 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)
[2022-11-02 20:12:27,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:27,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 472
[2022-11-02 20:12:27,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:35,045 INFO L130 PetriNetUnfolder]: 8692/30576 cut-off events.
[2022-11-02 20:12:35,045 INFO L131 PetriNetUnfolder]: For 68/78 co-relation queries the response was YES.
[2022-11-02 20:12:35,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43583 conditions, 30576 events. 8692/30576 cut-off events. For 68/78 co-relation queries the response was YES. Maximal size of possible extension queue 619. Compared 355052 event pairs, 7968 based on Foata normal form. 0/25814 useless extension candidates. Maximal degree in co-relation 43544. Up to 12966 conditions per place.
[2022-11-02 20:12:35,325 INFO L137 encePairwiseOnDemand]: 460/472 looper letters, 86 selfloop transitions, 10 changer transitions 0/419 dead transitions.
[2022-11-02 20:12:35,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 419 transitions, 1039 flow
[2022-11-02 20:12:35,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:12:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:12:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2246 transitions.
[2022-11-02 20:12:35,335 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7930790960451978
[2022-11-02 20:12:35,336 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2246 transitions.
[2022-11-02 20:12:35,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2246 transitions.
[2022-11-02 20:12:35,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:35,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2246 transitions.
[2022-11-02 20:12:35,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 374.3333333333333) internal successors, (2246), 6 states have internal predecessors, (2246), 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)
[2022-11-02 20:12:35,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:12:35,358 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:12:35,358 INFO L175 Difference]: Start difference. First operand has 417 places, 421 transitions, 851 flow. Second operand 6 states and 2246 transitions.
[2022-11-02 20:12:35,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 419 transitions, 1039 flow
[2022-11-02 20:12:35,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 419 transitions, 1035 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:35,373 INFO L231 Difference]: Finished difference. Result has 418 places, 419 transitions, 863 flow
[2022-11-02 20:12:35,374 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=863, PETRI_PLACES=418, PETRI_TRANSITIONS=419}
[2022-11-02 20:12:35,378 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -14 predicate places.
[2022-11-02 20:12:35,378 INFO L495 AbstractCegarLoop]: Abstraction has has 418 places, 419 transitions, 863 flow
[2022-11-02 20:12:35,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 359.8333333333333) internal successors, (2159), 6 states have internal predecessors, (2159), 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)
[2022-11-02 20:12:35,380 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:35,381 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:35,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:12:35,382 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:35,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:35,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2010384283, now seen corresponding path program 1 times
[2022-11-02 20:12:35,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:35,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35955132]
[2022-11-02 20:12:35,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:35,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:35,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:35,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35955132]
[2022-11-02 20:12:35,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35955132] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:35,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:35,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:35,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578679633]
[2022-11-02 20:12:35,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:35,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:35,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:35,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:35,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:35,489 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 472
[2022-11-02 20:12:35,493 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 419 transitions, 863 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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)
[2022-11-02 20:12:35,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:35,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 472
[2022-11-02 20:12:35,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:35,870 INFO L130 PetriNetUnfolder]: 65/1367 cut-off events.
[2022-11-02 20:12:35,871 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES.
[2022-11-02 20:12:35,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1458 conditions, 1367 events. 65/1367 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7905 event pairs, 24 based on Foata normal form. 0/1186 useless extension candidates. Maximal degree in co-relation 1425. Up to 69 conditions per place.
[2022-11-02 20:12:35,892 INFO L137 encePairwiseOnDemand]: 466/472 looper letters, 15 selfloop transitions, 1 changer transitions 0/414 dead transitions.
[2022-11-02 20:12:35,892 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 414 transitions, 885 flow
[2022-11-02 20:12:35,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1323 transitions.
[2022-11-02 20:12:35,897 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.934322033898305
[2022-11-02 20:12:35,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1323 transitions.
[2022-11-02 20:12:35,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1323 transitions.
[2022-11-02 20:12:35,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:35,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1323 transitions.
[2022-11-02 20:12:35,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 441.0) internal successors, (1323), 3 states have internal predecessors, (1323), 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)
[2022-11-02 20:12:35,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:35,910 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:35,910 INFO L175 Difference]: Start difference. First operand has 418 places, 419 transitions, 863 flow. Second operand 3 states and 1323 transitions.
[2022-11-02 20:12:35,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 414 transitions, 885 flow
[2022-11-02 20:12:35,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 414 transitions, 865 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:12:35,922 INFO L231 Difference]: Finished difference. Result has 410 places, 414 transitions, 835 flow
[2022-11-02 20:12:35,923 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=835, PETRI_PLACES=410, PETRI_TRANSITIONS=414}
[2022-11-02 20:12:35,926 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -22 predicate places.
[2022-11-02 20:12:35,927 INFO L495 AbstractCegarLoop]: Abstraction has has 410 places, 414 transitions, 835 flow
[2022-11-02 20:12:35,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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)
[2022-11-02 20:12:35,928 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:35,928 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:35,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:12:35,928 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:35,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1917793416, now seen corresponding path program 1 times
[2022-11-02 20:12:35,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:35,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413195633]
[2022-11-02 20:12:35,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:35,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:36,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:36,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413195633]
[2022-11-02 20:12:36,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413195633] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:36,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:36,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:36,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505789546]
[2022-11-02 20:12:36,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:36,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:36,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:36,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:36,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:36,038 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 472
[2022-11-02 20:12:36,040 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 414 transitions, 835 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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)
[2022-11-02 20:12:36,040 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:36,041 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 472
[2022-11-02 20:12:36,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:36,337 INFO L130 PetriNetUnfolder]: 99/1403 cut-off events.
[2022-11-02 20:12:36,338 INFO L131 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES.
[2022-11-02 20:12:36,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 1403 events. 99/1403 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 8210 event pairs, 48 based on Foata normal form. 0/1202 useless extension candidates. Maximal degree in co-relation 1519. Up to 142 conditions per place.
[2022-11-02 20:12:36,419 INFO L137 encePairwiseOnDemand]: 469/472 looper letters, 19 selfloop transitions, 2 changer transitions 0/413 dead transitions.
[2022-11-02 20:12:36,420 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 413 transitions, 875 flow
[2022-11-02 20:12:36,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1324 transitions.
[2022-11-02 20:12:36,423 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9350282485875706
[2022-11-02 20:12:36,423 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1324 transitions.
[2022-11-02 20:12:36,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1324 transitions.
[2022-11-02 20:12:36,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:36,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1324 transitions.
[2022-11-02 20:12:36,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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)
[2022-11-02 20:12:36,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:36,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:36,433 INFO L175 Difference]: Start difference. First operand has 410 places, 414 transitions, 835 flow. Second operand 3 states and 1324 transitions.
[2022-11-02 20:12:36,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 413 transitions, 875 flow
[2022-11-02 20:12:36,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 413 transitions, 874 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-02 20:12:36,442 INFO L231 Difference]: Finished difference. Result has 410 places, 413 transitions, 836 flow
[2022-11-02 20:12:36,443 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=410, PETRI_TRANSITIONS=413}
[2022-11-02 20:12:36,443 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -22 predicate places.
[2022-11-02 20:12:36,444 INFO L495 AbstractCegarLoop]: Abstraction has has 410 places, 413 transitions, 836 flow
[2022-11-02 20:12:36,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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)
[2022-11-02 20:12:36,445 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:36,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:36,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:12:36,445 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:36,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:36,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1207247269, now seen corresponding path program 1 times
[2022-11-02 20:12:36,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:36,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304762290]
[2022-11-02 20:12:36,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:36,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:36,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:36,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304762290]
[2022-11-02 20:12:36,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304762290] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:36,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:36,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:36,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243064329]
[2022-11-02 20:12:36,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:36,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:36,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:36,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:36,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:36,508 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 472
[2022-11-02 20:12:36,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 436.3333333333333) internal successors, (1309), 3 states have internal predecessors, (1309), 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)
[2022-11-02 20:12:36,510 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:36,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 472
[2022-11-02 20:12:36,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:36,652 INFO L130 PetriNetUnfolder]: 23/635 cut-off events.
[2022-11-02 20:12:36,652 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-11-02 20:12:36,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 635 events. 23/635 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2169 event pairs, 5 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 646. Up to 29 conditions per place.
[2022-11-02 20:12:36,659 INFO L137 encePairwiseOnDemand]: 469/472 looper letters, 19 selfloop transitions, 2 changer transitions 0/413 dead transitions.
[2022-11-02 20:12:36,660 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 413 transitions, 879 flow
[2022-11-02 20:12:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1327 transitions.
[2022-11-02 20:12:36,664 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9371468926553672
[2022-11-02 20:12:36,664 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1327 transitions.
[2022-11-02 20:12:36,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1327 transitions.
[2022-11-02 20:12:36,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:36,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1327 transitions.
[2022-11-02 20:12:36,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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)
[2022-11-02 20:12:36,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:36,695 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:36,695 INFO L175 Difference]: Start difference. First operand has 410 places, 413 transitions, 836 flow. Second operand 3 states and 1327 transitions.
[2022-11-02 20:12:36,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 413 transitions, 879 flow
[2022-11-02 20:12:36,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 413 transitions, 875 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:36,705 INFO L231 Difference]: Finished difference. Result has 409 places, 412 transitions, 834 flow
[2022-11-02 20:12:36,706 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=409, PETRI_TRANSITIONS=412}
[2022-11-02 20:12:36,708 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -23 predicate places.
[2022-11-02 20:12:36,708 INFO L495 AbstractCegarLoop]: Abstraction has has 409 places, 412 transitions, 834 flow
[2022-11-02 20:12:36,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 436.3333333333333) internal successors, (1309), 3 states have internal predecessors, (1309), 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)
[2022-11-02 20:12:36,709 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:36,710 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:36,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:12:36,710 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:36,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:36,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1544809514, now seen corresponding path program 1 times
[2022-11-02 20:12:36,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:36,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870392319]
[2022-11-02 20:12:36,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:36,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:37,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:37,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870392319]
[2022-11-02 20:12:37,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870392319] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:37,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:37,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:12:37,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71071747]
[2022-11-02 20:12:37,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:37,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:12:37,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:37,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:12:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:12:37,324 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 472
[2022-11-02 20:12:37,327 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 412 transitions, 834 flow. Second operand has 6 states, 6 states have (on average 375.8333333333333) internal successors, (2255), 6 states have internal predecessors, (2255), 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)
[2022-11-02 20:12:37,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:37,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 472
[2022-11-02 20:12:37,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:41,645 INFO L130 PetriNetUnfolder]: 8510/20674 cut-off events.
[2022-11-02 20:12:41,646 INFO L131 PetriNetUnfolder]: For 31/398 co-relation queries the response was YES.
[2022-11-02 20:12:41,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33659 conditions, 20674 events. 8510/20674 cut-off events. For 31/398 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 195246 event pairs, 2376 based on Foata normal form. 73/18055 useless extension candidates. Maximal degree in co-relation 33618. Up to 4141 conditions per place.
[2022-11-02 20:12:41,845 INFO L137 encePairwiseOnDemand]: 467/472 looper letters, 265 selfloop transitions, 4 changer transitions 0/603 dead transitions.
[2022-11-02 20:12:41,845 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 603 transitions, 1754 flow
[2022-11-02 20:12:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:12:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:12:41,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2514 transitions.
[2022-11-02 20:12:41,861 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8877118644067796
[2022-11-02 20:12:41,861 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2514 transitions.
[2022-11-02 20:12:41,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2514 transitions.
[2022-11-02 20:12:41,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:41,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2514 transitions.
[2022-11-02 20:12:41,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 419.0) internal successors, (2514), 6 states have internal predecessors, (2514), 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)
[2022-11-02 20:12:41,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:12:41,881 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:12:41,881 INFO L175 Difference]: Start difference. First operand has 409 places, 412 transitions, 834 flow. Second operand 6 states and 2514 transitions.
[2022-11-02 20:12:41,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 603 transitions, 1754 flow
[2022-11-02 20:12:41,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 603 transitions, 1750 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:41,898 INFO L231 Difference]: Finished difference. Result has 411 places, 411 transitions, 836 flow
[2022-11-02 20:12:41,899 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=836, PETRI_PLACES=411, PETRI_TRANSITIONS=411}
[2022-11-02 20:12:41,900 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -21 predicate places.
[2022-11-02 20:12:41,900 INFO L495 AbstractCegarLoop]: Abstraction has has 411 places, 411 transitions, 836 flow
[2022-11-02 20:12:41,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 375.8333333333333) internal successors, (2255), 6 states have internal predecessors, (2255), 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)
[2022-11-02 20:12:41,902 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:41,902 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:41,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:12:41,902 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:41,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:41,903 INFO L85 PathProgramCache]: Analyzing trace with hash 340040794, now seen corresponding path program 1 times
[2022-11-02 20:12:41,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:41,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105004265]
[2022-11-02 20:12:41,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:41,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:41,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:41,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105004265]
[2022-11-02 20:12:41,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105004265] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:41,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:41,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:41,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803818433]
[2022-11-02 20:12:41,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:41,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:41,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:41,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:41,992 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 472
[2022-11-02 20:12:41,994 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 411 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 436.6666666666667) internal successors, (1310), 3 states have internal predecessors, (1310), 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)
[2022-11-02 20:12:41,995 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:41,995 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 472
[2022-11-02 20:12:41,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:42,131 INFO L130 PetriNetUnfolder]: 20/525 cut-off events.
[2022-11-02 20:12:42,132 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES.
[2022-11-02 20:12:42,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 525 events. 20/525 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1537 event pairs, 2 based on Foata normal form. 0/469 useless extension candidates. Maximal degree in co-relation 530. Up to 28 conditions per place.
[2022-11-02 20:12:42,139 INFO L137 encePairwiseOnDemand]: 469/472 looper letters, 18 selfloop transitions, 2 changer transitions 0/411 dead transitions.
[2022-11-02 20:12:42,139 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 411 transitions, 877 flow
[2022-11-02 20:12:42,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1326 transitions.
[2022-11-02 20:12:42,144 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9364406779661016
[2022-11-02 20:12:42,144 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1326 transitions.
[2022-11-02 20:12:42,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1326 transitions.
[2022-11-02 20:12:42,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:42,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1326 transitions.
[2022-11-02 20:12:42,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 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)
[2022-11-02 20:12:42,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:42,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:42,155 INFO L175 Difference]: Start difference. First operand has 411 places, 411 transitions, 836 flow. Second operand 3 states and 1326 transitions.
[2022-11-02 20:12:42,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 411 transitions, 877 flow
[2022-11-02 20:12:42,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 411 transitions, 870 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:12:42,166 INFO L231 Difference]: Finished difference. Result has 408 places, 410 transitions, 831 flow
[2022-11-02 20:12:42,168 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=408, PETRI_TRANSITIONS=410}
[2022-11-02 20:12:42,169 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -24 predicate places.
[2022-11-02 20:12:42,169 INFO L495 AbstractCegarLoop]: Abstraction has has 408 places, 410 transitions, 831 flow
[2022-11-02 20:12:42,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 436.6666666666667) internal successors, (1310), 3 states have internal predecessors, (1310), 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)
[2022-11-02 20:12:42,170 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:42,171 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:42,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-11-02 20:12:42,171 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:42,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:42,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1070296566, now seen corresponding path program 1 times
[2022-11-02 20:12:42,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:42,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867985012]
[2022-11-02 20:12:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:42,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:42,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:42,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867985012]
[2022-11-02 20:12:42,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867985012] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:42,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:42,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:12:42,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513487607]
[2022-11-02 20:12:42,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:42,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:42,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:42,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:42,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:42,258 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 472
[2022-11-02 20:12:42,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 410 transitions, 831 flow. Second operand has 3 states, 3 states have (on average 445.6666666666667) internal successors, (1337), 3 states have internal predecessors, (1337), 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)
[2022-11-02 20:12:42,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:42,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 472
[2022-11-02 20:12:42,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:42,413 INFO L130 PetriNetUnfolder]: 24/631 cut-off events.
[2022-11-02 20:12:42,414 INFO L131 PetriNetUnfolder]: For 2/9 co-relation queries the response was YES.
[2022-11-02 20:12:42,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 631 events. 24/631 cut-off events. For 2/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2087 event pairs, 6 based on Foata normal form. 1/565 useless extension candidates. Maximal degree in co-relation 644. Up to 24 conditions per place.
[2022-11-02 20:12:42,422 INFO L137 encePairwiseOnDemand]: 468/472 looper letters, 11 selfloop transitions, 3 changer transitions 0/412 dead transitions.
[2022-11-02 20:12:42,422 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 412 transitions, 864 flow
[2022-11-02 20:12:42,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions.
[2022-11-02 20:12:42,428 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.951271186440678
[2022-11-02 20:12:42,428 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions.
[2022-11-02 20:12:42,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions.
[2022-11-02 20:12:42,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:42,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions.
[2022-11-02 20:12:42,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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)
[2022-11-02 20:12:42,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:42,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:42,439 INFO L175 Difference]: Start difference. First operand has 408 places, 410 transitions, 831 flow. Second operand 3 states and 1347 transitions.
[2022-11-02 20:12:42,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 412 transitions, 864 flow
[2022-11-02 20:12:42,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 412 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:42,451 INFO L231 Difference]: Finished difference. Result has 410 places, 411 transitions, 845 flow
[2022-11-02 20:12:42,452 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=845, PETRI_PLACES=410, PETRI_TRANSITIONS=411}
[2022-11-02 20:12:42,452 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -22 predicate places.
[2022-11-02 20:12:42,453 INFO L495 AbstractCegarLoop]: Abstraction has has 410 places, 411 transitions, 845 flow
[2022-11-02 20:12:42,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.6666666666667) internal successors, (1337), 3 states have internal predecessors, (1337), 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)
[2022-11-02 20:12:42,454 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:42,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:42,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-02 20:12:42,455 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:42,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:42,455 INFO L85 PathProgramCache]: Analyzing trace with hash 87623946, now seen corresponding path program 1 times
[2022-11-02 20:12:42,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:42,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272578941]
[2022-11-02 20:12:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:42,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:42,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272578941]
[2022-11-02 20:12:42,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272578941] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:42,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:42,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:12:42,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253408550]
[2022-11-02 20:12:42,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:42,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:42,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:42,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:42,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:42,518 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 437 out of 472
[2022-11-02 20:12:42,520 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 411 transitions, 845 flow. Second operand has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 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)
[2022-11-02 20:12:42,520 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:42,520 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 437 of 472
[2022-11-02 20:12:42,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:42,755 INFO L130 PetriNetUnfolder]: 69/1245 cut-off events.
[2022-11-02 20:12:42,756 INFO L131 PetriNetUnfolder]: For 24/25 co-relation queries the response was YES.
[2022-11-02 20:12:42,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 1245 events. 69/1245 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6871 event pairs, 12 based on Foata normal form. 0/1109 useless extension candidates. Maximal degree in co-relation 1335. Up to 79 conditions per place.
[2022-11-02 20:12:42,767 INFO L137 encePairwiseOnDemand]: 466/472 looper letters, 17 selfloop transitions, 2 changer transitions 0/412 dead transitions.
[2022-11-02 20:12:42,767 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 412 transitions, 888 flow
[2022-11-02 20:12:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1334 transitions.
[2022-11-02 20:12:42,771 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.942090395480226
[2022-11-02 20:12:42,772 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1334 transitions.
[2022-11-02 20:12:42,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1334 transitions.
[2022-11-02 20:12:42,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:42,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1334 transitions.
[2022-11-02 20:12:42,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 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)
[2022-11-02 20:12:42,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:42,782 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:42,782 INFO L175 Difference]: Start difference. First operand has 410 places, 411 transitions, 845 flow. Second operand 3 states and 1334 transitions.
[2022-11-02 20:12:42,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 412 transitions, 888 flow
[2022-11-02 20:12:42,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 412 transitions, 882 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:42,792 INFO L231 Difference]: Finished difference. Result has 407 places, 409 transitions, 845 flow
[2022-11-02 20:12:42,793 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=845, PETRI_PLACES=407, PETRI_TRANSITIONS=409}
[2022-11-02 20:12:42,794 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -25 predicate places.
[2022-11-02 20:12:42,794 INFO L495 AbstractCegarLoop]: Abstraction has has 407 places, 409 transitions, 845 flow
[2022-11-02 20:12:42,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 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)
[2022-11-02 20:12:42,795 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:42,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:42,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-11-02 20:12:42,796 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:42,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:42,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1303592878, now seen corresponding path program 1 times
[2022-11-02 20:12:42,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:42,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322666076]
[2022-11-02 20:12:42,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:42,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:43,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:43,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322666076]
[2022-11-02 20:12:43,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322666076] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:43,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:43,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-11-02 20:12:43,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694174978]
[2022-11-02 20:12:43,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:43,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-11-02 20:12:43,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:43,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-11-02 20:12:43,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:12:43,125 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 472
[2022-11-02 20:12:43,129 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 409 transitions, 845 flow. Second operand has 8 states, 8 states have (on average 376.0) internal successors, (3008), 8 states have internal predecessors, (3008), 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)
[2022-11-02 20:12:43,129 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:43,129 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 472
[2022-11-02 20:12:43,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:43,753 INFO L130 PetriNetUnfolder]: 269/1757 cut-off events.
[2022-11-02 20:12:43,754 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES.
[2022-11-02 20:12:43,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2493 conditions, 1757 events. 269/1757 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 11041 event pairs, 161 based on Foata normal form. 5/1594 useless extension candidates. Maximal degree in co-relation 2451. Up to 471 conditions per place.
[2022-11-02 20:12:43,772 INFO L137 encePairwiseOnDemand]: 459/472 looper letters, 114 selfloop transitions, 14 changer transitions 0/454 dead transitions.
[2022-11-02 20:12:43,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 454 transitions, 1203 flow
[2022-11-02 20:12:43,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-11-02 20:12:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2022-11-02 20:12:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4220 transitions.
[2022-11-02 20:12:43,788 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.812788906009245
[2022-11-02 20:12:43,789 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4220 transitions.
[2022-11-02 20:12:43,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4220 transitions.
[2022-11-02 20:12:43,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:43,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4220 transitions.
[2022-11-02 20:12:43,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 383.6363636363636) internal successors, (4220), 11 states have internal predecessors, (4220), 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)
[2022-11-02 20:12:43,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 472.0) internal successors, (5664), 12 states have internal predecessors, (5664), 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)
[2022-11-02 20:12:43,814 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 472.0) internal successors, (5664), 12 states have internal predecessors, (5664), 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)
[2022-11-02 20:12:43,814 INFO L175 Difference]: Start difference. First operand has 407 places, 409 transitions, 845 flow. Second operand 11 states and 4220 transitions.
[2022-11-02 20:12:43,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 454 transitions, 1203 flow
[2022-11-02 20:12:43,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 454 transitions, 1203 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:12:43,825 INFO L231 Difference]: Finished difference. Result has 421 places, 416 transitions, 913 flow
[2022-11-02 20:12:43,826 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=845, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=913, PETRI_PLACES=421, PETRI_TRANSITIONS=416}
[2022-11-02 20:12:43,827 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -11 predicate places.
[2022-11-02 20:12:43,827 INFO L495 AbstractCegarLoop]: Abstraction has has 421 places, 416 transitions, 913 flow
[2022-11-02 20:12:43,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 376.0) internal successors, (3008), 8 states have internal predecessors, (3008), 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)
[2022-11-02 20:12:43,829 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:43,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:43,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-11-02 20:12:43,830 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:43,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:43,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1689111661, now seen corresponding path program 1 times
[2022-11-02 20:12:43,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:43,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706253687]
[2022-11-02 20:12:43,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:43,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:43,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706253687]
[2022-11-02 20:12:43,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706253687] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:43,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:43,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:12:43,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665838366]
[2022-11-02 20:12:43,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:43,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:12:43,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:43,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:12:43,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:12:43,917 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 472
[2022-11-02 20:12:43,919 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 416 transitions, 913 flow. Second operand has 3 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 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)
[2022-11-02 20:12:43,919 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:43,919 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 472
[2022-11-02 20:12:43,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:44,145 INFO L130 PetriNetUnfolder]: 86/1196 cut-off events.
[2022-11-02 20:12:44,145 INFO L131 PetriNetUnfolder]: For 62/79 co-relation queries the response was YES.
[2022-11-02 20:12:44,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1416 conditions, 1196 events. 86/1196 cut-off events. For 62/79 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6480 event pairs, 24 based on Foata normal form. 2/1069 useless extension candidates. Maximal degree in co-relation 1368. Up to 98 conditions per place.
[2022-11-02 20:12:44,153 INFO L137 encePairwiseOnDemand]: 468/472 looper letters, 11 selfloop transitions, 3 changer transitions 0/418 dead transitions.
[2022-11-02 20:12:44,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 418 transitions, 946 flow
[2022-11-02 20:12:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:12:44,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:12:44,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions.
[2022-11-02 20:12:44,158 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.951271186440678
[2022-11-02 20:12:44,158 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions.
[2022-11-02 20:12:44,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions.
[2022-11-02 20:12:44,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:44,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions.
[2022-11-02 20:12:44,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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)
[2022-11-02 20:12:44,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:44,167 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:12:44,168 INFO L175 Difference]: Start difference. First operand has 421 places, 416 transitions, 913 flow. Second operand 3 states and 1347 transitions.
[2022-11-02 20:12:44,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 418 transitions, 946 flow
[2022-11-02 20:12:44,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 418 transitions, 940 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:44,177 INFO L231 Difference]: Finished difference. Result has 423 places, 417 transitions, 925 flow
[2022-11-02 20:12:44,178 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=925, PETRI_PLACES=423, PETRI_TRANSITIONS=417}
[2022-11-02 20:12:44,179 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -9 predicate places.
[2022-11-02 20:12:44,179 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 417 transitions, 925 flow
[2022-11-02 20:12:44,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 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)
[2022-11-02 20:12:44,180 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:44,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:44,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-11-02 20:12:44,181 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:44,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:44,181 INFO L85 PathProgramCache]: Analyzing trace with hash -287089619, now seen corresponding path program 1 times
[2022-11-02 20:12:44,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:44,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983787717]
[2022-11-02 20:12:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:44,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:44,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:44,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983787717]
[2022-11-02 20:12:44,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983787717] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:44,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:44,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-11-02 20:12:44,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669318971]
[2022-11-02 20:12:44,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:44,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-11-02 20:12:44,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:44,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-11-02 20:12:44,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:12:44,423 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 472
[2022-11-02 20:12:44,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 417 transitions, 925 flow. Second operand has 8 states, 8 states have (on average 376.125) internal successors, (3009), 8 states have internal predecessors, (3009), 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)
[2022-11-02 20:12:44,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:44,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 472
[2022-11-02 20:12:44,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:45,000 INFO L130 PetriNetUnfolder]: 256/1548 cut-off events.
[2022-11-02 20:12:45,001 INFO L131 PetriNetUnfolder]: For 223/223 co-relation queries the response was YES.
[2022-11-02 20:12:45,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2422 conditions, 1548 events. 256/1548 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 9577 event pairs, 153 based on Foata normal form. 4/1436 useless extension candidates. Maximal degree in co-relation 2372. Up to 470 conditions per place.
[2022-11-02 20:12:45,017 INFO L137 encePairwiseOnDemand]: 459/472 looper letters, 114 selfloop transitions, 14 changer transitions 0/457 dead transitions.
[2022-11-02 20:12:45,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 457 transitions, 1285 flow
[2022-11-02 20:12:45,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-11-02 20:12:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2022-11-02 20:12:45,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4220 transitions.
[2022-11-02 20:12:45,028 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.812788906009245
[2022-11-02 20:12:45,028 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4220 transitions.
[2022-11-02 20:12:45,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4220 transitions.
[2022-11-02 20:12:45,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:45,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4220 transitions.
[2022-11-02 20:12:45,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 383.6363636363636) internal successors, (4220), 11 states have internal predecessors, (4220), 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)
[2022-11-02 20:12:45,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 472.0) internal successors, (5664), 12 states have internal predecessors, (5664), 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)
[2022-11-02 20:12:45,052 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 472.0) internal successors, (5664), 12 states have internal predecessors, (5664), 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)
[2022-11-02 20:12:45,052 INFO L175 Difference]: Start difference. First operand has 423 places, 417 transitions, 925 flow. Second operand 11 states and 4220 transitions.
[2022-11-02 20:12:45,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 457 transitions, 1285 flow
[2022-11-02 20:12:45,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 457 transitions, 1275 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:12:45,063 INFO L231 Difference]: Finished difference. Result has 434 places, 420 transitions, 972 flow
[2022-11-02 20:12:45,064 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=972, PETRI_PLACES=434, PETRI_TRANSITIONS=420}
[2022-11-02 20:12:45,065 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 2 predicate places.
[2022-11-02 20:12:45,065 INFO L495 AbstractCegarLoop]: Abstraction has has 434 places, 420 transitions, 972 flow
[2022-11-02 20:12:45,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 376.125) internal successors, (3009), 8 states have internal predecessors, (3009), 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)
[2022-11-02 20:12:45,066 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:45,067 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:45,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-11-02 20:12:45,067 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:45,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:45,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2113640054, now seen corresponding path program 1 times
[2022-11-02 20:12:45,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:45,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847995258]
[2022-11-02 20:12:45,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:12:45,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:45,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847995258]
[2022-11-02 20:12:45,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847995258] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:45,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:45,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:12:45,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810459921]
[2022-11-02 20:12:45,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:45,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:12:45,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:12:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:12:45,584 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 472
[2022-11-02 20:12:45,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 420 transitions, 972 flow. Second operand has 6 states, 6 states have (on average 376.8333333333333) internal successors, (2261), 6 states have internal predecessors, (2261), 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)
[2022-11-02 20:12:45,587 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:45,587 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 472
[2022-11-02 20:12:45,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:51,042 INFO L130 PetriNetUnfolder]: 7493/26580 cut-off events.
[2022-11-02 20:12:51,043 INFO L131 PetriNetUnfolder]: For 91/110 co-relation queries the response was YES.
[2022-11-02 20:12:51,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39937 conditions, 26580 events. 7493/26580 cut-off events. For 91/110 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 296525 event pairs, 6797 based on Foata normal form. 4/23609 useless extension candidates. Maximal degree in co-relation 39881. Up to 11026 conditions per place.
[2022-11-02 20:12:51,280 INFO L137 encePairwiseOnDemand]: 467/472 looper letters, 168 selfloop transitions, 4 changer transitions 0/515 dead transitions.
[2022-11-02 20:12:51,281 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 515 transitions, 1506 flow
[2022-11-02 20:12:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:12:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:12:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2417 transitions.
[2022-11-02 20:12:51,288 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8534604519774012
[2022-11-02 20:12:51,288 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2417 transitions.
[2022-11-02 20:12:51,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2417 transitions.
[2022-11-02 20:12:51,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:51,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2417 transitions.
[2022-11-02 20:12:51,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 402.8333333333333) internal successors, (2417), 6 states have internal predecessors, (2417), 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)
[2022-11-02 20:12:51,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:12:51,310 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:12:51,311 INFO L175 Difference]: Start difference. First operand has 434 places, 420 transitions, 972 flow. Second operand 6 states and 2417 transitions.
[2022-11-02 20:12:51,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 515 transitions, 1506 flow
[2022-11-02 20:12:51,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 515 transitions, 1487 flow, removed 0 selfloop flow, removed 7 redundant places.
[2022-11-02 20:12:51,593 INFO L231 Difference]: Finished difference. Result has 431 places, 419 transitions, 959 flow
[2022-11-02 20:12:51,593 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=959, PETRI_PLACES=431, PETRI_TRANSITIONS=419}
[2022-11-02 20:12:51,594 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -1 predicate places.
[2022-11-02 20:12:51,596 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 419 transitions, 959 flow
[2022-11-02 20:12:51,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 376.8333333333333) internal successors, (2261), 6 states have internal predecessors, (2261), 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)
[2022-11-02 20:12:51,597 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:51,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:51,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-11-02 20:12:51,598 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:51,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:51,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1171973006, now seen corresponding path program 1 times
[2022-11-02 20:12:51,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:51,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461562833]
[2022-11-02 20:12:51,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:12:51,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:51,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461562833]
[2022-11-02 20:12:51,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461562833] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:51,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:51,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-11-02 20:12:51,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441831909]
[2022-11-02 20:12:51,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:51,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-11-02 20:12:51,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:51,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-11-02 20:12:51,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:12:51,873 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 472
[2022-11-02 20:12:51,877 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 419 transitions, 959 flow. Second operand has 8 states, 8 states have (on average 377.125) internal successors, (3017), 8 states have internal predecessors, (3017), 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)
[2022-11-02 20:12:51,877 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:51,877 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 472
[2022-11-02 20:12:51,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:52,715 INFO L130 PetriNetUnfolder]: 314/2174 cut-off events.
[2022-11-02 20:12:52,715 INFO L131 PetriNetUnfolder]: For 107/107 co-relation queries the response was YES.
[2022-11-02 20:12:52,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3324 conditions, 2174 events. 314/2174 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 14965 event pairs, 173 based on Foata normal form. 0/2000 useless extension candidates. Maximal degree in co-relation 3269. Up to 469 conditions per place.
[2022-11-02 20:12:52,725 INFO L137 encePairwiseOnDemand]: 459/472 looper letters, 109 selfloop transitions, 18 changer transitions 0/456 dead transitions.
[2022-11-02 20:12:52,725 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 456 transitions, 1324 flow
[2022-11-02 20:12:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-11-02 20:12:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2022-11-02 20:12:52,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3837 transitions.
[2022-11-02 20:12:52,734 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8129237288135593
[2022-11-02 20:12:52,735 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3837 transitions.
[2022-11-02 20:12:52,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3837 transitions.
[2022-11-02 20:12:52,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:52,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3837 transitions.
[2022-11-02 20:12:52,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 383.7) internal successors, (3837), 10 states have internal predecessors, (3837), 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)
[2022-11-02 20:12:52,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 472.0) internal successors, (5192), 11 states have internal predecessors, (5192), 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)
[2022-11-02 20:12:52,752 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 472.0) internal successors, (5192), 11 states have internal predecessors, (5192), 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)
[2022-11-02 20:12:52,752 INFO L175 Difference]: Start difference. First operand has 431 places, 419 transitions, 959 flow. Second operand 10 states and 3837 transitions.
[2022-11-02 20:12:52,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 456 transitions, 1324 flow
[2022-11-02 20:12:52,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 456 transitions, 1317 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:12:52,763 INFO L231 Difference]: Finished difference. Result has 441 places, 428 transitions, 1063 flow
[2022-11-02 20:12:52,763 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=952, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1063, PETRI_PLACES=441, PETRI_TRANSITIONS=428}
[2022-11-02 20:12:52,764 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 9 predicate places.
[2022-11-02 20:12:52,764 INFO L495 AbstractCegarLoop]: Abstraction has has 441 places, 428 transitions, 1063 flow
[2022-11-02 20:12:52,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 377.125) internal successors, (3017), 8 states have internal predecessors, (3017), 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)
[2022-11-02 20:12:52,766 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:52,766 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:52,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2022-11-02 20:12:52,766 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:52,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:52,767 INFO L85 PathProgramCache]: Analyzing trace with hash -574253583, now seen corresponding path program 1 times
[2022-11-02 20:12:52,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:52,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771256270]
[2022-11-02 20:12:52,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:12:53,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:53,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771256270]
[2022-11-02 20:12:53,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771256270] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:53,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:53,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-11-02 20:12:53,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071516335]
[2022-11-02 20:12:53,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:53,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-11-02 20:12:53,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:53,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-11-02 20:12:53,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:12:53,018 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 472
[2022-11-02 20:12:53,021 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 428 transitions, 1063 flow. Second operand has 8 states, 8 states have (on average 377.25) internal successors, (3018), 8 states have internal predecessors, (3018), 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)
[2022-11-02 20:12:53,021 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:53,021 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 472
[2022-11-02 20:12:53,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:12:53,810 INFO L130 PetriNetUnfolder]: 344/2007 cut-off events.
[2022-11-02 20:12:53,810 INFO L131 PetriNetUnfolder]: For 435/453 co-relation queries the response was YES.
[2022-11-02 20:12:53,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3254 conditions, 2007 events. 344/2007 cut-off events. For 435/453 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 13833 event pairs, 167 based on Foata normal form. 6/1856 useless extension candidates. Maximal degree in co-relation 3192. Up to 565 conditions per place.
[2022-11-02 20:12:53,829 INFO L137 encePairwiseOnDemand]: 460/472 looper letters, 110 selfloop transitions, 14 changer transitions 0/459 dead transitions.
[2022-11-02 20:12:53,830 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 459 transitions, 1417 flow
[2022-11-02 20:12:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-11-02 20:12:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2022-11-02 20:12:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3461 transitions.
[2022-11-02 20:12:53,837 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8147363465160076
[2022-11-02 20:12:53,838 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3461 transitions.
[2022-11-02 20:12:53,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3461 transitions.
[2022-11-02 20:12:53,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:12:53,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3461 transitions.
[2022-11-02 20:12:53,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 384.55555555555554) internal successors, (3461), 9 states have internal predecessors, (3461), 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)
[2022-11-02 20:12:53,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 472.0) internal successors, (4720), 10 states have internal predecessors, (4720), 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)
[2022-11-02 20:12:53,855 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 472.0) internal successors, (4720), 10 states have internal predecessors, (4720), 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)
[2022-11-02 20:12:53,855 INFO L175 Difference]: Start difference. First operand has 441 places, 428 transitions, 1063 flow. Second operand 9 states and 3461 transitions.
[2022-11-02 20:12:53,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 459 transitions, 1417 flow
[2022-11-02 20:12:53,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 459 transitions, 1408 flow, removed 0 selfloop flow, removed 3 redundant places.
[2022-11-02 20:12:53,866 INFO L231 Difference]: Finished difference. Result has 449 places, 434 transitions, 1139 flow
[2022-11-02 20:12:53,867 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1139, PETRI_PLACES=449, PETRI_TRANSITIONS=434}
[2022-11-02 20:12:53,868 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 17 predicate places.
[2022-11-02 20:12:53,868 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 434 transitions, 1139 flow
[2022-11-02 20:12:53,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 377.25) internal successors, (3018), 8 states have internal predecessors, (3018), 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)
[2022-11-02 20:12:53,869 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:12:53,869 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:12:53,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2022-11-02 20:12:53,870 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:12:53,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:12:53,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1447355507, now seen corresponding path program 1 times
[2022-11-02 20:12:53,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:12:53,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190695821]
[2022-11-02 20:12:53,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:12:53,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:12:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:12:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:12:54,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:12:54,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190695821]
[2022-11-02 20:12:54,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190695821] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:12:54,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:12:54,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:12:54,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121085122]
[2022-11-02 20:12:54,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:12:54,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:12:54,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:12:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:12:54,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:12:54,446 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 472
[2022-11-02 20:12:54,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 434 transitions, 1139 flow. Second operand has 6 states, 6 states have (on average 370.6666666666667) internal successors, (2224), 6 states have internal predecessors, (2224), 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)
[2022-11-02 20:12:54,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:12:54,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 472
[2022-11-02 20:12:54,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:00,904 INFO L130 PetriNetUnfolder]: 10085/28442 cut-off events.
[2022-11-02 20:13:00,904 INFO L131 PetriNetUnfolder]: For 1551/1555 co-relation queries the response was YES.
[2022-11-02 20:13:01,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47203 conditions, 28442 events. 10085/28442 cut-off events. For 1551/1555 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 287231 event pairs, 1930 based on Foata normal form. 0/25746 useless extension candidates. Maximal degree in co-relation 47139. Up to 10929 conditions per place.
[2022-11-02 20:13:01,133 INFO L137 encePairwiseOnDemand]: 465/472 looper letters, 218 selfloop transitions, 5 changer transitions 0/567 dead transitions.
[2022-11-02 20:13:01,133 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 567 transitions, 1862 flow
[2022-11-02 20:13:01,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:13:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:13:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2422 transitions.
[2022-11-02 20:13:01,140 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.855225988700565
[2022-11-02 20:13:01,140 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2422 transitions.
[2022-11-02 20:13:01,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2422 transitions.
[2022-11-02 20:13:01,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:01,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2422 transitions.
[2022-11-02 20:13:01,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 403.6666666666667) internal successors, (2422), 6 states have internal predecessors, (2422), 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)
[2022-11-02 20:13:01,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:13:01,155 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:13:01,155 INFO L175 Difference]: Start difference. First operand has 449 places, 434 transitions, 1139 flow. Second operand 6 states and 2422 transitions.
[2022-11-02 20:13:01,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 567 transitions, 1862 flow
[2022-11-02 20:13:01,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 567 transitions, 1847 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:13:01,184 INFO L231 Difference]: Finished difference. Result has 447 places, 432 transitions, 1130 flow
[2022-11-02 20:13:01,185 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=1120, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1130, PETRI_PLACES=447, PETRI_TRANSITIONS=432}
[2022-11-02 20:13:01,186 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 15 predicate places.
[2022-11-02 20:13:01,186 INFO L495 AbstractCegarLoop]: Abstraction has has 447 places, 432 transitions, 1130 flow
[2022-11-02 20:13:01,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 370.6666666666667) internal successors, (2224), 6 states have internal predecessors, (2224), 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)
[2022-11-02 20:13:01,187 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:13:01,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:01,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2022-11-02 20:13:01,187 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:13:01,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:01,188 INFO L85 PathProgramCache]: Analyzing trace with hash 660797583, now seen corresponding path program 1 times
[2022-11-02 20:13:01,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:01,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029169859]
[2022-11-02 20:13:01,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:01,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:13:01,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:13:01,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029169859]
[2022-11-02 20:13:01,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029169859] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:01,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:01,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:13:01,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203770077]
[2022-11-02 20:13:01,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:01,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:13:01,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:13:01,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:13:01,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:13:01,265 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 437 out of 472
[2022-11-02 20:13:01,267 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 432 transitions, 1130 flow. Second operand has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 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)
[2022-11-02 20:13:01,267 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:13:01,267 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 437 of 472
[2022-11-02 20:13:01,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:01,686 INFO L130 PetriNetUnfolder]: 85/1854 cut-off events.
[2022-11-02 20:13:01,686 INFO L131 PetriNetUnfolder]: For 157/161 co-relation queries the response was YES.
[2022-11-02 20:13:01,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2323 conditions, 1854 events. 85/1854 cut-off events. For 157/161 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10779 event pairs, 17 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2262. Up to 89 conditions per place.
[2022-11-02 20:13:01,707 INFO L137 encePairwiseOnDemand]: 466/472 looper letters, 17 selfloop transitions, 2 changer transitions 0/433 dead transitions.
[2022-11-02 20:13:01,708 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 433 transitions, 1173 flow
[2022-11-02 20:13:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:13:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:13:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1334 transitions.
[2022-11-02 20:13:01,714 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.942090395480226
[2022-11-02 20:13:01,714 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1334 transitions.
[2022-11-02 20:13:01,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1334 transitions.
[2022-11-02 20:13:01,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:01,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1334 transitions.
[2022-11-02 20:13:01,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 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)
[2022-11-02 20:13:01,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:01,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:01,722 INFO L175 Difference]: Start difference. First operand has 447 places, 432 transitions, 1130 flow. Second operand 3 states and 1334 transitions.
[2022-11-02 20:13:01,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 433 transitions, 1173 flow
[2022-11-02 20:13:01,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 433 transitions, 1163 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:13:01,734 INFO L231 Difference]: Finished difference. Result has 441 places, 430 transitions, 1126 flow
[2022-11-02 20:13:01,734 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1126, PETRI_PLACES=441, PETRI_TRANSITIONS=430}
[2022-11-02 20:13:01,735 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 9 predicate places.
[2022-11-02 20:13:01,735 INFO L495 AbstractCegarLoop]: Abstraction has has 441 places, 430 transitions, 1126 flow
[2022-11-02 20:13:01,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 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)
[2022-11-02 20:13:01,736 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:13:01,736 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:01,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2022-11-02 20:13:01,737 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:13:01,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:01,737 INFO L85 PathProgramCache]: Analyzing trace with hash -219638580, now seen corresponding path program 1 times
[2022-11-02 20:13:01,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:01,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260433097]
[2022-11-02 20:13:01,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:01,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:13:02,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:13:02,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260433097]
[2022-11-02 20:13:02,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260433097] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:02,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:02,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:13:02,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656457256]
[2022-11-02 20:13:02,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:02,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:13:02,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:13:02,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:13:02,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:13:02,572 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 472
[2022-11-02 20:13:02,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 430 transitions, 1126 flow. Second operand has 6 states, 6 states have (on average 370.8333333333333) internal successors, (2225), 6 states have internal predecessors, (2225), 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)
[2022-11-02 20:13:02,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:13:02,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 472
[2022-11-02 20:13:02,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:08,979 INFO L130 PetriNetUnfolder]: 10272/28025 cut-off events.
[2022-11-02 20:13:08,979 INFO L131 PetriNetUnfolder]: For 2056/2301 co-relation queries the response was YES.
[2022-11-02 20:13:09,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47707 conditions, 28025 events. 10272/28025 cut-off events. For 2056/2301 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 275701 event pairs, 1962 based on Foata normal form. 2/26215 useless extension candidates. Maximal degree in co-relation 47645. Up to 10797 conditions per place.
[2022-11-02 20:13:09,211 INFO L137 encePairwiseOnDemand]: 465/472 looper letters, 222 selfloop transitions, 5 changer transitions 0/569 dead transitions.
[2022-11-02 20:13:09,211 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 569 transitions, 1871 flow
[2022-11-02 20:13:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:13:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:13:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2426 transitions.
[2022-11-02 20:13:09,216 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.856638418079096
[2022-11-02 20:13:09,216 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2426 transitions.
[2022-11-02 20:13:09,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2426 transitions.
[2022-11-02 20:13:09,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:09,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2426 transitions.
[2022-11-02 20:13:09,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 404.3333333333333) internal successors, (2426), 6 states have internal predecessors, (2426), 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)
[2022-11-02 20:13:09,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:13:09,229 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:13:09,229 INFO L175 Difference]: Start difference. First operand has 441 places, 430 transitions, 1126 flow. Second operand 6 states and 2426 transitions.
[2022-11-02 20:13:09,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 569 transitions, 1871 flow
[2022-11-02 20:13:09,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 569 transitions, 1871 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:13:09,258 INFO L231 Difference]: Finished difference. Result has 444 places, 428 transitions, 1132 flow
[2022-11-02 20:13:09,259 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=1122, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1132, PETRI_PLACES=444, PETRI_TRANSITIONS=428}
[2022-11-02 20:13:09,260 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 12 predicate places.
[2022-11-02 20:13:09,260 INFO L495 AbstractCegarLoop]: Abstraction has has 444 places, 428 transitions, 1132 flow
[2022-11-02 20:13:09,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 370.8333333333333) internal successors, (2225), 6 states have internal predecessors, (2225), 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)
[2022-11-02 20:13:09,261 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:13:09,261 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:09,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2022-11-02 20:13:09,262 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:13:09,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:09,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1223483396, now seen corresponding path program 1 times
[2022-11-02 20:13:09,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:09,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284848820]
[2022-11-02 20:13:09,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:09,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:09,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:13:09,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284848820]
[2022-11-02 20:13:09,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284848820] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:09,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:09,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:13:09,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888299845]
[2022-11-02 20:13:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:09,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:13:09,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:13:09,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:13:09,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:13:09,336 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 437 out of 472
[2022-11-02 20:13:09,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 428 transitions, 1132 flow. Second operand has 3 states, 3 states have (on average 439.6666666666667) internal successors, (1319), 3 states have internal predecessors, (1319), 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)
[2022-11-02 20:13:09,338 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:13:09,338 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 437 of 472
[2022-11-02 20:13:09,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:09,684 INFO L130 PetriNetUnfolder]: 57/1556 cut-off events.
[2022-11-02 20:13:09,685 INFO L131 PetriNetUnfolder]: For 203/212 co-relation queries the response was YES.
[2022-11-02 20:13:09,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2114 conditions, 1556 events. 57/1556 cut-off events. For 203/212 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8215 event pairs, 12 based on Foata normal form. 0/1491 useless extension candidates. Maximal degree in co-relation 2052. Up to 56 conditions per place.
[2022-11-02 20:13:09,702 INFO L137 encePairwiseOnDemand]: 468/472 looper letters, 14 selfloop transitions, 1 changer transitions 0/425 dead transitions.
[2022-11-02 20:13:09,703 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 425 transitions, 1156 flow
[2022-11-02 20:13:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:13:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:13:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1329 transitions.
[2022-11-02 20:13:09,705 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9385593220338984
[2022-11-02 20:13:09,705 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1329 transitions.
[2022-11-02 20:13:09,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1329 transitions.
[2022-11-02 20:13:09,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:09,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1329 transitions.
[2022-11-02 20:13:09,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 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)
[2022-11-02 20:13:09,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:09,713 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:09,714 INFO L175 Difference]: Start difference. First operand has 444 places, 428 transitions, 1132 flow. Second operand 3 states and 1329 transitions.
[2022-11-02 20:13:09,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 425 transitions, 1156 flow
[2022-11-02 20:13:09,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 425 transitions, 1146 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:13:09,725 INFO L231 Difference]: Finished difference. Result has 438 places, 425 transitions, 1118 flow
[2022-11-02 20:13:09,726 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=438, PETRI_TRANSITIONS=425}
[2022-11-02 20:13:09,726 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 6 predicate places.
[2022-11-02 20:13:09,727 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 425 transitions, 1118 flow
[2022-11-02 20:13:09,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 439.6666666666667) internal successors, (1319), 3 states have internal predecessors, (1319), 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)
[2022-11-02 20:13:09,727 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:13:09,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:09,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2022-11-02 20:13:09,728 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:13:09,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:09,729 INFO L85 PathProgramCache]: Analyzing trace with hash -340997325, now seen corresponding path program 1 times
[2022-11-02 20:13:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:09,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122592630]
[2022-11-02 20:13:09,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:09,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:13:10,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:13:10,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122592630]
[2022-11-02 20:13:10,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122592630] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:10,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:10,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:13:10,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043311265]
[2022-11-02 20:13:10,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:10,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:13:10,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:13:10,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:13:10,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:13:10,425 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 472
[2022-11-02 20:13:10,428 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 425 transitions, 1118 flow. Second operand has 6 states, 6 states have (on average 371.6666666666667) internal successors, (2230), 6 states have internal predecessors, (2230), 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)
[2022-11-02 20:13:10,428 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:13:10,428 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 472
[2022-11-02 20:13:10,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:16,944 INFO L130 PetriNetUnfolder]: 9831/29703 cut-off events.
[2022-11-02 20:13:16,945 INFO L131 PetriNetUnfolder]: For 2008/2012 co-relation queries the response was YES.
[2022-11-02 20:13:17,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49074 conditions, 29703 events. 9831/29703 cut-off events. For 2008/2012 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 313972 event pairs, 4138 based on Foata normal form. 0/28015 useless extension candidates. Maximal degree in co-relation 49011. Up to 7102 conditions per place.
[2022-11-02 20:13:17,193 INFO L137 encePairwiseOnDemand]: 465/472 looper letters, 206 selfloop transitions, 5 changer transitions 0/550 dead transitions.
[2022-11-02 20:13:17,193 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 550 transitions, 1801 flow
[2022-11-02 20:13:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:13:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:13:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2410 transitions.
[2022-11-02 20:13:17,197 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8509887005649718
[2022-11-02 20:13:17,198 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2410 transitions.
[2022-11-02 20:13:17,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2410 transitions.
[2022-11-02 20:13:17,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:17,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2410 transitions.
[2022-11-02 20:13:17,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 401.6666666666667) internal successors, (2410), 6 states have internal predecessors, (2410), 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)
[2022-11-02 20:13:17,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:13:17,209 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:13:17,209 INFO L175 Difference]: Start difference. First operand has 438 places, 425 transitions, 1118 flow. Second operand 6 states and 2410 transitions.
[2022-11-02 20:13:17,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 550 transitions, 1801 flow
[2022-11-02 20:13:17,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 550 transitions, 1800 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-02 20:13:17,261 INFO L231 Difference]: Finished difference. Result has 440 places, 423 transitions, 1123 flow
[2022-11-02 20:13:17,261 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1123, PETRI_PLACES=440, PETRI_TRANSITIONS=423}
[2022-11-02 20:13:17,262 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 8 predicate places.
[2022-11-02 20:13:17,262 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 423 transitions, 1123 flow
[2022-11-02 20:13:17,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 371.6666666666667) internal successors, (2230), 6 states have internal predecessors, (2230), 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)
[2022-11-02 20:13:17,263 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:13:17,263 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:17,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2022-11-02 20:13:17,264 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:13:17,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:17,264 INFO L85 PathProgramCache]: Analyzing trace with hash 476838150, now seen corresponding path program 1 times
[2022-11-02 20:13:17,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:17,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991232032]
[2022-11-02 20:13:17,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:17,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:17,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:13:17,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991232032]
[2022-11-02 20:13:17,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991232032] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:17,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:17,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:13:17,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410928535]
[2022-11-02 20:13:17,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:17,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:13:17,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:13:17,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:13:17,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:13:17,327 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 437 out of 472
[2022-11-02 20:13:17,328 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 423 transitions, 1123 flow. Second operand has 3 states, 3 states have (on average 439.6666666666667) internal successors, (1319), 3 states have internal predecessors, (1319), 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)
[2022-11-02 20:13:17,328 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:13:17,329 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 437 of 472
[2022-11-02 20:13:17,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:17,789 INFO L130 PetriNetUnfolder]: 72/1576 cut-off events.
[2022-11-02 20:13:17,789 INFO L131 PetriNetUnfolder]: For 174/180 co-relation queries the response was YES.
[2022-11-02 20:13:17,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2057 conditions, 1576 events. 72/1576 cut-off events. For 174/180 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8319 event pairs, 19 based on Foata normal form. 6/1514 useless extension candidates. Maximal degree in co-relation 1995. Up to 77 conditions per place.
[2022-11-02 20:13:17,799 INFO L137 encePairwiseOnDemand]: 466/472 looper letters, 8 selfloop transitions, 0 changer transitions 62/422 dead transitions.
[2022-11-02 20:13:17,799 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 422 transitions, 1153 flow
[2022-11-02 20:13:17,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:13:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:13:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1330 transitions.
[2022-11-02 20:13:17,804 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9392655367231638
[2022-11-02 20:13:17,804 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1330 transitions.
[2022-11-02 20:13:17,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1330 transitions.
[2022-11-02 20:13:17,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:17,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1330 transitions.
[2022-11-02 20:13:17,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 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)
[2022-11-02 20:13:17,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:17,810 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:17,810 INFO L175 Difference]: Start difference. First operand has 440 places, 423 transitions, 1123 flow. Second operand 3 states and 1330 transitions.
[2022-11-02 20:13:17,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 422 transitions, 1153 flow
[2022-11-02 20:13:17,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 422 transitions, 1143 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:13:17,821 INFO L231 Difference]: Finished difference. Result has 434 places, 360 transitions, 844 flow
[2022-11-02 20:13:17,821 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=1107, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=434, PETRI_TRANSITIONS=360}
[2022-11-02 20:13:17,822 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, 2 predicate places.
[2022-11-02 20:13:17,822 INFO L495 AbstractCegarLoop]: Abstraction has has 434 places, 360 transitions, 844 flow
[2022-11-02 20:13:17,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 439.6666666666667) internal successors, (1319), 3 states have internal predecessors, (1319), 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)
[2022-11-02 20:13:17,823 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:13:17,823 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:17,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2022-11-02 20:13:17,823 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:13:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:17,824 INFO L85 PathProgramCache]: Analyzing trace with hash 653880946, now seen corresponding path program 1 times
[2022-11-02 20:13:17,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:17,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710891873]
[2022-11-02 20:13:17,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:17,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:13:18,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:13:18,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710891873]
[2022-11-02 20:13:18,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710891873] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:18,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:18,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:13:18,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377225693]
[2022-11-02 20:13:18,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:18,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:13:18,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:13:18,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:13:18,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:13:18,367 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 472
[2022-11-02 20:13:18,369 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 360 transitions, 844 flow. Second operand has 6 states, 6 states have (on average 371.8333333333333) internal successors, (2231), 6 states have internal predecessors, (2231), 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)
[2022-11-02 20:13:18,369 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:13:18,369 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 472
[2022-11-02 20:13:18,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:24,229 INFO L130 PetriNetUnfolder]: 8791/26208 cut-off events.
[2022-11-02 20:13:24,229 INFO L131 PetriNetUnfolder]: For 1568/1755 co-relation queries the response was YES.
[2022-11-02 20:13:24,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43102 conditions, 26208 events. 8791/26208 cut-off events. For 1568/1755 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 273200 event pairs, 3596 based on Foata normal form. 0/25124 useless extension candidates. Maximal degree in co-relation 43080. Up to 6300 conditions per place.
[2022-11-02 20:13:24,450 INFO L137 encePairwiseOnDemand]: 465/472 looper letters, 203 selfloop transitions, 5 changer transitions 0/490 dead transitions.
[2022-11-02 20:13:24,450 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 490 transitions, 1532 flow
[2022-11-02 20:13:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:13:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:13:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2412 transitions.
[2022-11-02 20:13:24,454 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8516949152542372
[2022-11-02 20:13:24,455 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2412 transitions.
[2022-11-02 20:13:24,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2412 transitions.
[2022-11-02 20:13:24,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:24,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2412 transitions.
[2022-11-02 20:13:24,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 402.0) internal successors, (2412), 6 states have internal predecessors, (2412), 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)
[2022-11-02 20:13:24,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:13:24,464 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 472.0) internal successors, (3304), 7 states have internal predecessors, (3304), 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)
[2022-11-02 20:13:24,465 INFO L175 Difference]: Start difference. First operand has 434 places, 360 transitions, 844 flow. Second operand 6 states and 2412 transitions.
[2022-11-02 20:13:24,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 490 transitions, 1532 flow
[2022-11-02 20:13:24,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 490 transitions, 1477 flow, removed 16 selfloop flow, removed 18 redundant places.
[2022-11-02 20:13:24,509 INFO L231 Difference]: Finished difference. Result has 370 places, 358 transitions, 795 flow
[2022-11-02 20:13:24,510 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=370, PETRI_TRANSITIONS=358}
[2022-11-02 20:13:24,511 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -62 predicate places.
[2022-11-02 20:13:24,511 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 358 transitions, 795 flow
[2022-11-02 20:13:24,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 371.8333333333333) internal successors, (2231), 6 states have internal predecessors, (2231), 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)
[2022-11-02 20:13:24,512 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:13:24,512 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:24,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2022-11-02 20:13:24,512 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:13:24,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:24,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2059440729, now seen corresponding path program 1 times
[2022-11-02 20:13:24,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:24,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803833123]
[2022-11-02 20:13:24,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:13:24,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:13:24,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803833123]
[2022-11-02 20:13:24,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803833123] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:24,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:24,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:13:24,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171711668]
[2022-11-02 20:13:24,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:24,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:13:24,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:13:24,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:13:24,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:13:24,609 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 472
[2022-11-02 20:13:24,610 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 358 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 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)
[2022-11-02 20:13:24,610 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:13:24,610 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 472
[2022-11-02 20:13:24,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:24,806 INFO L130 PetriNetUnfolder]: 31/886 cut-off events.
[2022-11-02 20:13:24,806 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES.
[2022-11-02 20:13:24,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 886 events. 31/886 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3535 event pairs, 4 based on Foata normal form. 0/856 useless extension candidates. Maximal degree in co-relation 1042. Up to 18 conditions per place.
[2022-11-02 20:13:24,813 INFO L137 encePairwiseOnDemand]: 469/472 looper letters, 8 selfloop transitions, 2 changer transitions 0/358 dead transitions.
[2022-11-02 20:13:24,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 358 transitions, 816 flow
[2022-11-02 20:13:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:13:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:13:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1316 transitions.
[2022-11-02 20:13:24,815 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9293785310734464
[2022-11-02 20:13:24,815 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1316 transitions.
[2022-11-02 20:13:24,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1316 transitions.
[2022-11-02 20:13:24,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:24,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1316 transitions.
[2022-11-02 20:13:24,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 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)
[2022-11-02 20:13:24,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:24,820 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:24,820 INFO L175 Difference]: Start difference. First operand has 370 places, 358 transitions, 795 flow. Second operand 3 states and 1316 transitions.
[2022-11-02 20:13:24,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 358 transitions, 816 flow
[2022-11-02 20:13:24,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 358 transitions, 806 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:13:24,828 INFO L231 Difference]: Finished difference. Result has 366 places, 357 transitions, 787 flow
[2022-11-02 20:13:24,829 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=787, PETRI_PLACES=366, PETRI_TRANSITIONS=357}
[2022-11-02 20:13:24,830 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -66 predicate places.
[2022-11-02 20:13:24,830 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 357 transitions, 787 flow
[2022-11-02 20:13:24,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 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)
[2022-11-02 20:13:24,831 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:13:24,831 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:24,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2022-11-02 20:13:24,831 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] ===
[2022-11-02 20:13:24,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:24,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1223463020, now seen corresponding path program 1 times
[2022-11-02 20:13:24,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:24,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441528309]
[2022-11-02 20:13:24,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:24,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:13:24,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:13:24,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441528309]
[2022-11-02 20:13:24,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441528309] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:24,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:24,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:13:24,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767984917]
[2022-11-02 20:13:24,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:24,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:13:24,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:13:24,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:13:24,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:13:24,924 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 472
[2022-11-02 20:13:24,925 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 357 transitions, 787 flow. Second operand has 3 states, 3 states have (on average 437.3333333333333) internal successors, (1312), 3 states have internal predecessors, (1312), 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)
[2022-11-02 20:13:24,925 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:13:24,925 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 472
[2022-11-02 20:13:24,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:13:25,072 INFO L130 PetriNetUnfolder]: 37/752 cut-off events.
[2022-11-02 20:13:25,072 INFO L131 PetriNetUnfolder]: For 17/19 co-relation queries the response was YES.
[2022-11-02 20:13:25,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 752 events. 37/752 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2708 event pairs, 6 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 881. Up to 25 conditions per place.
[2022-11-02 20:13:25,080 INFO L137 encePairwiseOnDemand]: 469/472 looper letters, 0 selfloop transitions, 0 changer transitions 357/357 dead transitions.
[2022-11-02 20:13:25,080 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 357 transitions, 808 flow
[2022-11-02 20:13:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:13:25,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:13:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1316 transitions.
[2022-11-02 20:13:25,082 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9293785310734464
[2022-11-02 20:13:25,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1316 transitions.
[2022-11-02 20:13:25,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1316 transitions.
[2022-11-02 20:13:25,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:13:25,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1316 transitions.
[2022-11-02 20:13:25,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 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)
[2022-11-02 20:13:25,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:25,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 472.0) internal successors, (1888), 4 states have internal predecessors, (1888), 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)
[2022-11-02 20:13:25,088 INFO L175 Difference]: Start difference. First operand has 366 places, 357 transitions, 787 flow. Second operand 3 states and 1316 transitions.
[2022-11-02 20:13:25,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 357 transitions, 808 flow
[2022-11-02 20:13:25,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 357 transitions, 804 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:13:25,093 INFO L231 Difference]: Finished difference. Result has 365 places, 0 transitions, 0 flow
[2022-11-02 20:13:25,094 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=365, PETRI_TRANSITIONS=0}
[2022-11-02 20:13:25,094 INFO L287 CegarLoopForPetriNet]: 432 programPoint places, -67 predicate places.
[2022-11-02 20:13:25,095 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 0 transitions, 0 flow
[2022-11-02 20:13:25,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 437.3333333333333) internal successors, (1312), 3 states have internal predecessors, (1312), 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)
[2022-11-02 20:13:25,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining)
[2022-11-02 20:13:25,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining)
[2022-11-02 20:13:25,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining)
[2022-11-02 20:13:25,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining)
[2022-11-02 20:13:25,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining)
[2022-11-02 20:13:25,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining)
[2022-11-02 20:13:25,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining)
[2022-11-02 20:13:25,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining)
[2022-11-02 20:13:25,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining)
[2022-11-02 20:13:25,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining)
[2022-11-02 20:13:25,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining)
[2022-11-02 20:13:25,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining)
[2022-11-02 20:13:25,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining)
[2022-11-02 20:13:25,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining)
[2022-11-02 20:13:25,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining)
[2022-11-02 20:13:25,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining)
[2022-11-02 20:13:25,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining)
[2022-11-02 20:13:25,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining)
[2022-11-02 20:13:25,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining)
[2022-11-02 20:13:25,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining)
[2022-11-02 20:13:25,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining)
[2022-11-02 20:13:25,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining)
[2022-11-02 20:13:25,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining)
[2022-11-02 20:13:25,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining)
[2022-11-02 20:13:25,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining)
[2022-11-02 20:13:25,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining)
[2022-11-02 20:13:25,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining)
[2022-11-02 20:13:25,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining)
[2022-11-02 20:13:25,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining)
[2022-11-02 20:13:25,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining)
[2022-11-02 20:13:25,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining)
[2022-11-02 20:13:25,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining)
[2022-11-02 20:13:25,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining)
[2022-11-02 20:13:25,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining)
[2022-11-02 20:13:25,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining)
[2022-11-02 20:13:25,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining)
[2022-11-02 20:13:25,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining)
[2022-11-02 20:13:25,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining)
[2022-11-02 20:13:25,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining)
[2022-11-02 20:13:25,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining)
[2022-11-02 20:13:25,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining)
[2022-11-02 20:13:25,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining)
[2022-11-02 20:13:25,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining)
[2022-11-02 20:13:25,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining)
[2022-11-02 20:13:25,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining)
[2022-11-02 20:13:25,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining)
[2022-11-02 20:13:25,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining)
[2022-11-02 20:13:25,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining)
[2022-11-02 20:13:25,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining)
[2022-11-02 20:13:25,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining)
[2022-11-02 20:13:25,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining)
[2022-11-02 20:13:25,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining)
[2022-11-02 20:13:25,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining)
[2022-11-02 20:13:25,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining)
[2022-11-02 20:13:25,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining)
[2022-11-02 20:13:25,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining)
[2022-11-02 20:13:25,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining)
[2022-11-02 20:13:25,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining)
[2022-11-02 20:13:25,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining)
[2022-11-02 20:13:25,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining)
[2022-11-02 20:13:25,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining)
[2022-11-02 20:13:25,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining)
[2022-11-02 20:13:25,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining)
[2022-11-02 20:13:25,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining)
[2022-11-02 20:13:25,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining)
[2022-11-02 20:13:25,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining)
[2022-11-02 20:13:25,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining)
[2022-11-02 20:13:25,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining)
[2022-11-02 20:13:25,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining)
[2022-11-02 20:13:25,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining)
[2022-11-02 20:13:25,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining)
[2022-11-02 20:13:25,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining)
[2022-11-02 20:13:25,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining)
[2022-11-02 20:13:25,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining)
[2022-11-02 20:13:25,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2022-11-02 20:13:25,113 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:25,120 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 20:13:25,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:13:25,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:13:25 BasicIcfg
[2022-11-02 20:13:25,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:13:25,127 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:13:25,127 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:13:25,127 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:13:25,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:23" (3/4) ...
[2022-11-02 20:13:25,131 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:13:25,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2022-11-02 20:13:25,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2022-11-02 20:13:25,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges
[2022-11-02 20:13:25,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-02 20:13:25,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:13:25,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:13:25,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:13:25,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:13:25,200 INFO L158 Benchmark]: Toolchain (without parser) took 63201.94ms. Allocated memory was 98.6MB in the beginning and 11.3GB in the end (delta: 11.2GB). Free memory was 60.5MB in the beginning and 9.1GB in the end (delta: -9.0GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB.
[2022-11-02 20:13:25,201 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:13:25,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.03ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 70.0MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:13:25,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.55ms. Allocated memory is still 98.6MB. Free memory was 70.0MB in the beginning and 66.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:13:25,202 INFO L158 Benchmark]: Boogie Preprocessor took 99.91ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 63.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:13:25,203 INFO L158 Benchmark]: RCFGBuilder took 1223.02ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 63.5MB in the beginning and 103.5MB in the end (delta: -40.0MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB.
[2022-11-02 20:13:25,203 INFO L158 Benchmark]: TraceAbstraction took 61299.19ms. Allocated memory was 138.4MB in the beginning and 11.3GB in the end (delta: 11.2GB). Free memory was 102.8MB in the beginning and 9.1GB in the end (delta: -9.0GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB.
[2022-11-02 20:13:25,203 INFO L158 Benchmark]: Witness Printer took 72.61ms. Allocated memory is still 11.3GB. Free memory was 9.1GB in the beginning and 9.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:13:25,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 390.03ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 70.0MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 104.55ms. Allocated memory is still 98.6MB. Free memory was 70.0MB in the beginning and 66.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 99.91ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 63.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1223.02ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 63.5MB in the beginning and 103.5MB in the end (delta: -40.0MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 61299.19ms. Allocated memory was 138.4MB in the beginning and 11.3GB in the end (delta: 11.2GB). Free memory was 102.8MB in the beginning and 9.1GB in the end (delta: -9.0GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB.
* Witness Printer took 72.61ms. Allocated memory is still 11.3GB. Free memory was 9.1GB in the beginning and 9.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 50]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 50]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 51]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 52]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 52]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 52]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 52]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 52]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 63]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 63]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 63]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 64]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 64]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 65]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 65]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 65]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 65]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 66]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 66]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 66]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 66]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 66]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 78]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 79]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 80]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 80]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 103]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 81]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 81]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 103]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 86]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 87]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 89]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 89]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 90]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 90]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 91]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 91]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 667 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 61.0s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1007 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1007 mSDsluCounter, 1608 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 943 mSDsCounter, 756 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3754 IncrementalHoareTripleChecker+Invalid, 4510 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 756 mSolverCounterUnsat, 840 mSDtfsCounter, 3754 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1139occurred in iteration=18, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 3421 NumberOfCodeBlocks, 3421 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3394 ConstructedInterpolants, 0 QuantifiedInterpolants, 4957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
44 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:13:25,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913a268d-73a8-4272-bdc5-e3ca1be948a9/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE