./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-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_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/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_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/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_a37ca316-0530-446d-9a2a-6f4bc127d0db/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 c7fdb1595c27c144c3bf111946260cb3946663200a2d53f7fba5455031291c4f
--- 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 20:32:53,484 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:32:53,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:32:53,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:32:53,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:32:53,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:32:53,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:32:53,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:32:53,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:32:53,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:32:53,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:32:53,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:32:53,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:32:53,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:32:53,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:32:53,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:32:53,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:32:53,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:32:53,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:32:53,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:32:53,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:32:53,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:32:53,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:32:53,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:32:53,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:32:53,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:32:53,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:32:53,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:32:53,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:32:53,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:32:53,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:32:53,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:32:53,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:32:53,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:32:53,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:32:53,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:32:53,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:32:53,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:32:53,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:32:53,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:32:53,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:32:53,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-11-02 20:32:53,621 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:32:53,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:32:53,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:32:53,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:32:53,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:32:53,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:32:53,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:32:53,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:32:53,625 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:32:53,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:32:53,626 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:32:53,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:32:53,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:32:53,627 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:32:53,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:32:53,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:32:53,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:32:53,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:32:53,628 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2022-11-02 20:32:53,628 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:32:53,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:32:53,629 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:32:53,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:32:53,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:32:53,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:32:53,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:32:53,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:32:53,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:32:53,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:32:53,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:32:53,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:32:53,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:32:53,632 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:32:53,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:32:53,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:32:53,633 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_a37ca316-0530-446d-9a2a-6f4bc127d0db/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7fdb1595c27c144c3bf111946260cb3946663200a2d53f7fba5455031291c4f
[2022-11-02 20:32:53,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:32:53,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:32:53,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:32:53,939 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:32:53,940 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:32:53,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c
[2022-11-02 20:32:54,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/data/beb89cc04/9bfb1d8a32594712a1b7688d1ffed60d/FLAG1e2a245f8
[2022-11-02 20:32:54,665 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:32:54,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c
[2022-11-02 20:32:54,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/data/beb89cc04/9bfb1d8a32594712a1b7688d1ffed60d/FLAG1e2a245f8
[2022-11-02 20:32:55,045 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/data/beb89cc04/9bfb1d8a32594712a1b7688d1ffed60d
[2022-11-02 20:32:55,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:32:55,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:32:55,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:32:55,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:32:55,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:32:55,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4281f5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55, skipping insertion in model container
[2022-11-02 20:32:55,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:32:55,089 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:32:55,298 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_a37ca316-0530-446d-9a2a-6f4bc127d0db/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c[2695,2708]
[2022-11-02 20:32:55,305 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:32:55,313 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:32:55,340 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_a37ca316-0530-446d-9a2a-6f4bc127d0db/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c[2695,2708]
[2022-11-02 20:32:55,346 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:32:55,361 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:32:55,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55 WrapperNode
[2022-11-02 20:32:55,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:32:55,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:32:55,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:32:55,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:32:55,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,439 INFO L138 Inliner]: procedures = 25, calls = 37, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 334
[2022-11-02 20:32:55,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:32:55,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:32:55,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:32:55,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:32:55,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,488 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:32:55,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:32:55,495 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:32:55,495 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:32:55,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (1/1) ...
[2022-11-02 20:32:55,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:32:55,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:32:55,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:32:55,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:32:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:32:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:32:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:32:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:32:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-11-02 20:32:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-11-02 20:32:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-11-02 20:32:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-11-02 20:32:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:32:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-11-02 20:32:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:32:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:32:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:32:55,590 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 20:32:55,706 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:32:55,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:32:56,542 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:32:56,566 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:32:56,570 INFO L300 CfgBuilder]: Removed 4 assume(true) statements.
[2022-11-02 20:32:56,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:56 BoogieIcfgContainer
[2022-11-02 20:32:56,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:32:56,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:32:56,579 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:32:56,584 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:32:56,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:32:55" (1/3) ...
[2022-11-02 20:32:56,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6ff9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:32:56, skipping insertion in model container
[2022-11-02 20:32:56,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:55" (2/3) ...
[2022-11-02 20:32:56,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6ff9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:32:56, skipping insertion in model container
[2022-11-02 20:32:56,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:56" (3/3) ...
[2022-11-02 20:32:56,588 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c
[2022-11-02 20:32:56,598 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:32:56,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:32:56,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations.
[2022-11-02 20:32:56,624 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:32:56,767 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-11-02 20:32:56,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 423 places, 442 transitions, 900 flow
[2022-11-02 20:32:57,090 INFO L130 PetriNetUnfolder]: 26/440 cut-off events.
[2022-11-02 20:32:57,091 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-11-02 20:32:57,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 440 events. 26/440 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 699 event pairs, 0 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place.
[2022-11-02 20:32:57,105 INFO L82 GeneralOperation]: Start removeDead. Operand has 423 places, 442 transitions, 900 flow
[2022-11-02 20:32:57,122 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 402 places, 419 transitions, 850 flow
[2022-11-02 20:32:57,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:32:57,155 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;@7a4ec39e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:32:57,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations.
[2022-11-02 20:32:57,169 INFO L130 PetriNetUnfolder]: 3/61 cut-off events.
[2022-11-02 20:32:57,169 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:32:57,170 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:32:57,170 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]
[2022-11-02 20:32:57,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:32:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:32:57,177 INFO L85 PathProgramCache]: Analyzing trace with hash -311777620, now seen corresponding path program 1 times
[2022-11-02 20:32:57,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:32:57,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075516790]
[2022-11-02 20:32:57,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:32:57,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:32:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:32:57,460 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 20:32:57,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:32:57,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075516790]
[2022-11-02 20:32:57,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075516790] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:32:57,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:32:57,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:32:57,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242416684]
[2022-11-02 20:32:57,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:32:57,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:32:57,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:32:57,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:32:57,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:32:57,535 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 442
[2022-11-02 20:32:57,539 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 419 transitions, 850 flow. Second operand has 2 states, 2 states have (on average 420.5) internal successors, (841), 2 states have internal predecessors, (841), 0 states have call successors, (0), 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 20:32:57,540 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:32:57,540 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 442
[2022-11-02 20:32:57,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:32:57,696 INFO L130 PetriNetUnfolder]: 8/403 cut-off events.
[2022-11-02 20:32:57,697 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES.
[2022-11-02 20:32:57,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 403 events. 8/403 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 692 event pairs, 0 based on Foata normal form. 18/366 useless extension candidates. Maximal degree in co-relation 243. Up to 5 conditions per place.
[2022-11-02 20:32:57,706 INFO L137 encePairwiseOnDemand]: 426/442 looper letters, 4 selfloop transitions, 0 changer transitions 6/403 dead transitions.
[2022-11-02 20:32:57,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 403 transitions, 826 flow
[2022-11-02 20:32:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:32:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2022-11-02 20:32:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 860 transitions.
[2022-11-02 20:32:57,734 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9728506787330317
[2022-11-02 20:32:57,735 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 860 transitions.
[2022-11-02 20:32:57,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 860 transitions.
[2022-11-02 20:32:57,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:32:57,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 860 transitions.
[2022-11-02 20:32:57,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 430.0) internal successors, (860), 2 states have internal predecessors, (860), 0 states have call successors, (0), 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 20:32:57,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 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 20:32:57,764 INFO L81 ComplementDD]: Finished complementDD. Result has 3 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 20:32:57,767 INFO L175 Difference]: Start difference. First operand has 402 places, 419 transitions, 850 flow. Second operand 2 states and 860 transitions.
[2022-11-02 20:32:57,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 403 transitions, 826 flow
[2022-11-02 20:32:57,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 403 transitions, 818 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:32:57,792 INFO L231 Difference]: Finished difference. Result has 399 places, 397 transitions, 798 flow
[2022-11-02 20:32:57,795 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=798, PETRI_PLACES=399, PETRI_TRANSITIONS=397}
[2022-11-02 20:32:57,801 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -3 predicate places.
[2022-11-02 20:32:57,802 INFO L495 AbstractCegarLoop]: Abstraction has has 399 places, 397 transitions, 798 flow
[2022-11-02 20:32:57,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 420.5) internal successors, (841), 2 states have internal predecessors, (841), 0 states have call successors, (0), 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 20:32:57,803 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:32:57,803 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]
[2022-11-02 20:32:57,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:32:57,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:32:57,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:32:57,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1431032715, now seen corresponding path program 1 times
[2022-11-02 20:32:57,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:32:57,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471845656]
[2022-11-02 20:32:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:32:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:32:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:32:57,970 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 20:32:57,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:32:57,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471845656]
[2022-11-02 20:32:57,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471845656] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:32:57,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:32:57,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:32:57,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544540096]
[2022-11-02 20:32:57,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:32:57,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:32:57,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:32:57,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:32:57,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:32:57,983 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 442
[2022-11-02 20:32:57,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 397 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 20:32:57,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:32:57,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 442
[2022-11-02 20:32:57,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:32:58,289 INFO L130 PetriNetUnfolder]: 42/926 cut-off events.
[2022-11-02 20:32:58,289 INFO L131 PetriNetUnfolder]: For 10/11 co-relation queries the response was YES.
[2022-11-02 20:32:58,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 926 events. 42/926 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3960 event pairs, 15 based on Foata normal form. 0/791 useless extension candidates. Maximal degree in co-relation 988. Up to 56 conditions per place.
[2022-11-02 20:32:58,301 INFO L137 encePairwiseOnDemand]: 439/442 looper letters, 13 selfloop transitions, 2 changer transitions 0/396 dead transitions.
[2022-11-02 20:32:58,301 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 396 transitions, 826 flow
[2022-11-02 20:32:58,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:32:58,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:32:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions.
[2022-11-02 20:32:58,305 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9351432880844646
[2022-11-02 20:32:58,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1240 transitions.
[2022-11-02 20:32:58,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1240 transitions.
[2022-11-02 20:32:58,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:32:58,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1240 transitions.
[2022-11-02 20:32:58,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 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 20:32:58,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:32:58,315 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:32:58,315 INFO L175 Difference]: Start difference. First operand has 399 places, 397 transitions, 798 flow. Second operand 3 states and 1240 transitions.
[2022-11-02 20:32:58,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 396 transitions, 826 flow
[2022-11-02 20:32:58,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 396 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:32:58,324 INFO L231 Difference]: Finished difference. Result has 394 places, 396 transitions, 800 flow
[2022-11-02 20:32:58,325 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=394, PETRI_TRANSITIONS=396}
[2022-11-02 20:32:58,327 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -8 predicate places.
[2022-11-02 20:32:58,327 INFO L495 AbstractCegarLoop]: Abstraction has has 394 places, 396 transitions, 800 flow
[2022-11-02 20:32:58,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 20:32:58,328 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:32:58,328 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]
[2022-11-02 20:32:58,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:32:58,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:32:58,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:32:58,330 INFO L85 PathProgramCache]: Analyzing trace with hash -970762140, now seen corresponding path program 1 times
[2022-11-02 20:32:58,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:32:58,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976201870]
[2022-11-02 20:32:58,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:32:58,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:32:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:32:59,073 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 20:32:59,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:32:59,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976201870]
[2022-11-02 20:32:59,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976201870] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:32:59,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:32:59,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:32:59,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665456987]
[2022-11-02 20:32:59,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:32:59,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:32:59,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:32:59,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:32:59,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:32:59,079 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 442
[2022-11-02 20:32:59,082 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 396 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 351.8333333333333) internal successors, (2111), 6 states have internal predecessors, (2111), 0 states have call successors, (0), 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 20:32:59,082 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:32:59,084 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 442
[2022-11-02 20:32:59,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:02,147 INFO L130 PetriNetUnfolder]: 2470/13497 cut-off events.
[2022-11-02 20:33:02,148 INFO L131 PetriNetUnfolder]: For 26/38 co-relation queries the response was YES.
[2022-11-02 20:33:02,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17150 conditions, 13497 events. 2470/13497 cut-off events. For 26/38 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 154701 event pairs, 2112 based on Foata normal form. 0/11292 useless extension candidates. Maximal degree in co-relation 17146. Up to 3624 conditions per place.
[2022-11-02 20:33:02,333 INFO L137 encePairwiseOnDemand]: 430/442 looper letters, 62 selfloop transitions, 10 changer transitions 0/394 dead transitions.
[2022-11-02 20:33:02,333 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 394 transitions, 940 flow
[2022-11-02 20:33:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:33:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:33:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2174 transitions.
[2022-11-02 20:33:02,341 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8197586726998491
[2022-11-02 20:33:02,341 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2174 transitions.
[2022-11-02 20:33:02,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2174 transitions.
[2022-11-02 20:33:02,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:02,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2174 transitions.
[2022-11-02 20:33:02,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 362.3333333333333) internal successors, (2174), 6 states have internal predecessors, (2174), 0 states have call successors, (0), 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 20:33:02,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 442.0) internal successors, (3094), 7 states have internal predecessors, (3094), 0 states have call successors, (0), 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 20:33:02,359 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 442.0) internal successors, (3094), 7 states have internal predecessors, (3094), 0 states have call successors, (0), 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 20:33:02,359 INFO L175 Difference]: Start difference. First operand has 394 places, 396 transitions, 800 flow. Second operand 6 states and 2174 transitions.
[2022-11-02 20:33:02,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 394 transitions, 940 flow
[2022-11-02 20:33:02,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 394 transitions, 936 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:02,369 INFO L231 Difference]: Finished difference. Result has 395 places, 394 transitions, 812 flow
[2022-11-02 20:33:02,370 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=812, PETRI_PLACES=395, PETRI_TRANSITIONS=394}
[2022-11-02 20:33:02,373 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -7 predicate places.
[2022-11-02 20:33:02,373 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 394 transitions, 812 flow
[2022-11-02 20:33:02,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.8333333333333) internal successors, (2111), 6 states have internal predecessors, (2111), 0 states have call successors, (0), 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 20:33:02,375 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:02,375 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]
[2022-11-02 20:33:02,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:33:02,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:02,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:02,377 INFO L85 PathProgramCache]: Analyzing trace with hash 516599703, now seen corresponding path program 1 times
[2022-11-02 20:33:02,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:02,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792661368]
[2022-11-02 20:33:02,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:02,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:02,466 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 20:33:02,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:02,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792661368]
[2022-11-02 20:33:02,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792661368] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:02,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:02,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:02,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173101919]
[2022-11-02 20:33:02,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:02,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:02,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:02,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:02,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:02,478 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 442
[2022-11-02 20:33:02,480 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 394 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 20:33:02,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:02,481 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 442
[2022-11-02 20:33:02,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:02,676 INFO L130 PetriNetUnfolder]: 40/913 cut-off events.
[2022-11-02 20:33:02,677 INFO L131 PetriNetUnfolder]: For 10/11 co-relation queries the response was YES.
[2022-11-02 20:33:02,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 987 conditions, 913 events. 40/913 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4047 event pairs, 15 based on Foata normal form. 0/782 useless extension candidates. Maximal degree in co-relation 983. Up to 54 conditions per place.
[2022-11-02 20:33:02,687 INFO L137 encePairwiseOnDemand]: 439/442 looper letters, 13 selfloop transitions, 2 changer transitions 0/393 dead transitions.
[2022-11-02 20:33:02,687 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 393 transitions, 840 flow
[2022-11-02 20:33:02,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions.
[2022-11-02 20:33:02,691 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9351432880844646
[2022-11-02 20:33:02,692 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:02,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:02,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:02,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:02,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 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 20:33:02,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:02,707 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:02,707 INFO L175 Difference]: Start difference. First operand has 395 places, 394 transitions, 812 flow. Second operand 3 states and 1240 transitions.
[2022-11-02 20:33:02,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 393 transitions, 840 flow
[2022-11-02 20:33:02,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 393 transitions, 820 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:33:02,717 INFO L231 Difference]: Finished difference. Result has 391 places, 393 transitions, 794 flow
[2022-11-02 20:33:02,718 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=391, PETRI_TRANSITIONS=393}
[2022-11-02 20:33:02,722 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -11 predicate places.
[2022-11-02 20:33:02,722 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 393 transitions, 794 flow
[2022-11-02 20:33:02,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 20:33:02,724 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:02,724 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]
[2022-11-02 20:33:02,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:33:02,725 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:02,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:02,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2059602869, now seen corresponding path program 1 times
[2022-11-02 20:33:02,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:02,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761837060]
[2022-11-02 20:33:02,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:02,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:02,831 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 20:33:02,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:02,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761837060]
[2022-11-02 20:33:02,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761837060] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:02,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:02,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:02,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111213290]
[2022-11-02 20:33:02,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:02,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:02,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:02,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:02,841 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 442
[2022-11-02 20:33:02,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 393 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 20:33:02,843 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:02,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 442
[2022-11-02 20:33:02,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:03,078 INFO L130 PetriNetUnfolder]: 35/966 cut-off events.
[2022-11-02 20:33:03,078 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES.
[2022-11-02 20:33:03,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1022 conditions, 966 events. 35/966 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4578 event pairs, 15 based on Foata normal form. 0/823 useless extension candidates. Maximal degree in co-relation 1018. Up to 44 conditions per place.
[2022-11-02 20:33:03,087 INFO L137 encePairwiseOnDemand]: 439/442 looper letters, 13 selfloop transitions, 2 changer transitions 0/392 dead transitions.
[2022-11-02 20:33:03,088 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 392 transitions, 822 flow
[2022-11-02 20:33:03,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions.
[2022-11-02 20:33:03,092 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9351432880844646
[2022-11-02 20:33:03,093 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:03,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:03,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:03,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:03,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 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 20:33:03,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:03,105 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:03,105 INFO L175 Difference]: Start difference. First operand has 391 places, 393 transitions, 794 flow. Second operand 3 states and 1240 transitions.
[2022-11-02 20:33:03,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 392 transitions, 822 flow
[2022-11-02 20:33:03,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 392 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:03,116 INFO L231 Difference]: Finished difference. Result has 390 places, 392 transitions, 792 flow
[2022-11-02 20:33:03,117 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=792, PETRI_PLACES=390, PETRI_TRANSITIONS=392}
[2022-11-02 20:33:03,120 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -12 predicate places.
[2022-11-02 20:33:03,121 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 392 transitions, 792 flow
[2022-11-02 20:33:03,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 20:33:03,122 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:03,123 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]
[2022-11-02 20:33:03,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:33:03,123 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:03,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:03,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1623151406, now seen corresponding path program 1 times
[2022-11-02 20:33:03,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:03,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111711176]
[2022-11-02 20:33:03,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:03,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:03,202 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 20:33:03,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:03,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111711176]
[2022-11-02 20:33:03,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111711176] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:03,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:03,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:03,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293039046]
[2022-11-02 20:33:03,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:03,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:03,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:03,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:03,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:03,209 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 442
[2022-11-02 20:33:03,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 392 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 20:33:03,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:03,212 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 442
[2022-11-02 20:33:03,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:03,392 INFO L130 PetriNetUnfolder]: 33/894 cut-off events.
[2022-11-02 20:33:03,393 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES.
[2022-11-02 20:33:03,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 950 conditions, 894 events. 33/894 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4362 event pairs, 15 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 946. Up to 44 conditions per place.
[2022-11-02 20:33:03,402 INFO L137 encePairwiseOnDemand]: 439/442 looper letters, 13 selfloop transitions, 2 changer transitions 0/391 dead transitions.
[2022-11-02 20:33:03,402 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 391 transitions, 820 flow
[2022-11-02 20:33:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions.
[2022-11-02 20:33:03,406 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9351432880844646
[2022-11-02 20:33:03,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:03,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:03,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:03,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1240 transitions.
[2022-11-02 20:33:03,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 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 20:33:03,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:03,417 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:03,418 INFO L175 Difference]: Start difference. First operand has 390 places, 392 transitions, 792 flow. Second operand 3 states and 1240 transitions.
[2022-11-02 20:33:03,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 391 transitions, 820 flow
[2022-11-02 20:33:03,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 391 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:03,428 INFO L231 Difference]: Finished difference. Result has 389 places, 391 transitions, 790 flow
[2022-11-02 20:33:03,429 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=389, PETRI_TRANSITIONS=391}
[2022-11-02 20:33:03,433 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -13 predicate places.
[2022-11-02 20:33:03,433 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 391 transitions, 790 flow
[2022-11-02 20:33:03,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 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 20:33:03,434 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:03,434 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]
[2022-11-02 20:33:03,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:33:03,435 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:03,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:03,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1393881168, now seen corresponding path program 1 times
[2022-11-02 20:33:03,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:03,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636541112]
[2022-11-02 20:33:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:03,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:03,494 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 20:33:03,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:03,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636541112]
[2022-11-02 20:33:03,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636541112] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:03,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:03,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:03,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614732084]
[2022-11-02 20:33:03,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:03,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:03,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:03,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:03,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:03,505 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 442
[2022-11-02 20:33:03,507 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 391 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 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 20:33:03,507 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:03,507 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 442
[2022-11-02 20:33:03,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:03,677 INFO L130 PetriNetUnfolder]: 26/863 cut-off events.
[2022-11-02 20:33:03,677 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2022-11-02 20:33:03,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 863 events. 26/863 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3713 event pairs, 4 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 895. Up to 22 conditions per place.
[2022-11-02 20:33:03,686 INFO L137 encePairwiseOnDemand]: 438/442 looper letters, 11 selfloop transitions, 2 changer transitions 0/392 dead transitions.
[2022-11-02 20:33:03,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 392 transitions, 819 flow
[2022-11-02 20:33:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1248 transitions.
[2022-11-02 20:33:03,690 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353
[2022-11-02 20:33:03,691 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1248 transitions.
[2022-11-02 20:33:03,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1248 transitions.
[2022-11-02 20:33:03,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:03,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1248 transitions.
[2022-11-02 20:33:03,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 0 states have call successors, (0), 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 20:33:03,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:03,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:03,701 INFO L175 Difference]: Start difference. First operand has 389 places, 391 transitions, 790 flow. Second operand 3 states and 1248 transitions.
[2022-11-02 20:33:03,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 392 transitions, 819 flow
[2022-11-02 20:33:03,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 392 transitions, 815 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:03,711 INFO L231 Difference]: Finished difference. Result has 388 places, 391 transitions, 796 flow
[2022-11-02 20:33:03,712 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=388, PETRI_TRANSITIONS=391}
[2022-11-02 20:33:03,713 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -14 predicate places.
[2022-11-02 20:33:03,713 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 391 transitions, 796 flow
[2022-11-02 20:33:03,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 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 20:33:03,714 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:03,714 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]
[2022-11-02 20:33:03,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:33:03,715 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:03,715 INFO L85 PathProgramCache]: Analyzing trace with hash -583547998, now seen corresponding path program 1 times
[2022-11-02 20:33:03,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:03,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073922312]
[2022-11-02 20:33:03,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:03,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:03,778 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 20:33:03,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:03,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073922312]
[2022-11-02 20:33:03,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073922312] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:03,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:03,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:03,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783638852]
[2022-11-02 20:33:03,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:03,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:03,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:03,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:03,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:03,783 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 442
[2022-11-02 20:33:03,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 391 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 0 states have call successors, (0), 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 20:33:03,786 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:03,786 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 442
[2022-11-02 20:33:03,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:03,938 INFO L130 PetriNetUnfolder]: 27/861 cut-off events.
[2022-11-02 20:33:03,938 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2022-11-02 20:33:03,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 861 events. 27/861 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4089 event pairs, 3 based on Foata normal form. 0/753 useless extension candidates. Maximal degree in co-relation 898. Up to 22 conditions per place.
[2022-11-02 20:33:03,945 INFO L137 encePairwiseOnDemand]: 438/442 looper letters, 11 selfloop transitions, 2 changer transitions 0/392 dead transitions.
[2022-11-02 20:33:03,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 392 transitions, 825 flow
[2022-11-02 20:33:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1248 transitions.
[2022-11-02 20:33:03,949 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353
[2022-11-02 20:33:03,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1248 transitions.
[2022-11-02 20:33:03,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1248 transitions.
[2022-11-02 20:33:03,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:03,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1248 transitions.
[2022-11-02 20:33:03,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 0 states have call successors, (0), 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 20:33:03,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:03,957 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:03,958 INFO L175 Difference]: Start difference. First operand has 388 places, 391 transitions, 796 flow. Second operand 3 states and 1248 transitions.
[2022-11-02 20:33:03,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 392 transitions, 825 flow
[2022-11-02 20:33:03,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 392 transitions, 825 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:33:03,966 INFO L231 Difference]: Finished difference. Result has 389 places, 391 transitions, 806 flow
[2022-11-02 20:33:03,967 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=389, PETRI_TRANSITIONS=391}
[2022-11-02 20:33:03,967 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -13 predicate places.
[2022-11-02 20:33:03,967 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 391 transitions, 806 flow
[2022-11-02 20:33:03,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 0 states have call successors, (0), 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 20:33:03,968 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:03,969 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]
[2022-11-02 20:33:03,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:33:03,969 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:03,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:03,970 INFO L85 PathProgramCache]: Analyzing trace with hash -827319148, now seen corresponding path program 1 times
[2022-11-02 20:33:03,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:03,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811007012]
[2022-11-02 20:33:03,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:03,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:04,071 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 20:33:04,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:04,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811007012]
[2022-11-02 20:33:04,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811007012] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:04,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:04,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:33:04,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166686362]
[2022-11-02 20:33:04,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:04,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:33:04,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:04,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:33:04,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:33:04,076 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 442
[2022-11-02 20:33:04,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 391 transitions, 806 flow. Second operand has 5 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 0 states have call successors, (0), 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 20:33:04,079 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:04,079 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 442
[2022-11-02 20:33:04,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:04,311 INFO L130 PetriNetUnfolder]: 14/600 cut-off events.
[2022-11-02 20:33:04,311 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES.
[2022-11-02 20:33:04,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 600 events. 14/600 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1842 event pairs, 0 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 671. Up to 36 conditions per place.
[2022-11-02 20:33:04,318 INFO L137 encePairwiseOnDemand]: 432/442 looper letters, 48 selfloop transitions, 8 changer transitions 0/409 dead transitions.
[2022-11-02 20:33:04,318 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 409 transitions, 954 flow
[2022-11-02 20:33:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:33:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2022-11-02 20:33:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1978 transitions.
[2022-11-02 20:33:04,324 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8950226244343892
[2022-11-02 20:33:04,324 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1978 transitions.
[2022-11-02 20:33:04,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1978 transitions.
[2022-11-02 20:33:04,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:04,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1978 transitions.
[2022-11-02 20:33:04,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 395.6) internal successors, (1978), 5 states have internal predecessors, (1978), 0 states have call successors, (0), 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 20:33:04,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 442.0) internal successors, (2652), 6 states have internal predecessors, (2652), 0 states have call successors, (0), 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 20:33:04,338 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 442.0) internal successors, (2652), 6 states have internal predecessors, (2652), 0 states have call successors, (0), 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 20:33:04,338 INFO L175 Difference]: Start difference. First operand has 389 places, 391 transitions, 806 flow. Second operand 5 states and 1978 transitions.
[2022-11-02 20:33:04,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 409 transitions, 954 flow
[2022-11-02 20:33:04,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 409 transitions, 954 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:33:04,347 INFO L231 Difference]: Finished difference. Result has 394 places, 393 transitions, 838 flow
[2022-11-02 20:33:04,348 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=838, PETRI_PLACES=394, PETRI_TRANSITIONS=393}
[2022-11-02 20:33:04,349 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -8 predicate places.
[2022-11-02 20:33:04,349 INFO L495 AbstractCegarLoop]: Abstraction has has 394 places, 393 transitions, 838 flow
[2022-11-02 20:33:04,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 0 states have call successors, (0), 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 20:33:04,351 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:04,351 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]
[2022-11-02 20:33:04,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:33:04,352 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:04,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:04,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1396532050, now seen corresponding path program 1 times
[2022-11-02 20:33:04,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:04,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811582236]
[2022-11-02 20:33:04,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:04,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:04,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:33:04,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:04,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811582236]
[2022-11-02 20:33:04,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811582236] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:33:04,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240495602]
[2022-11-02 20:33:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:04,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:33:04,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:33:04,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:33:04,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:33:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:04,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:33:04,728 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:33:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:33:04,908 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:33:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:33:05,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240495602] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:33:05,019 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:33:05,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2022-11-02 20:33:05,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198327548]
[2022-11-02 20:33:05,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:33:05,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2022-11-02 20:33:05,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:05,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2022-11-02 20:33:05,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2022-11-02 20:33:05,028 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 442
[2022-11-02 20:33:05,036 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 393 transitions, 838 flow. Second operand has 15 states, 15 states have (on average 386.53333333333336) internal successors, (5798), 15 states have internal predecessors, (5798), 0 states have call successors, (0), 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 20:33:05,036 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:05,036 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 442
[2022-11-02 20:33:05,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:05,518 INFO L130 PetriNetUnfolder]: 14/632 cut-off events.
[2022-11-02 20:33:05,518 INFO L131 PetriNetUnfolder]: For 11/12 co-relation queries the response was YES.
[2022-11-02 20:33:05,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 632 events. 14/632 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1813 event pairs, 0 based on Foata normal form. 4/572 useless extension candidates. Maximal degree in co-relation 745. Up to 20 conditions per place.
[2022-11-02 20:33:05,527 INFO L137 encePairwiseOnDemand]: 426/442 looper letters, 60 selfloop transitions, 22 changer transitions 0/433 dead transitions.
[2022-11-02 20:33:05,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 433 transitions, 1086 flow
[2022-11-02 20:33:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-11-02 20:33:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2022-11-02 20:33:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4288 transitions.
[2022-11-02 20:33:05,541 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8819415878239407
[2022-11-02 20:33:05,541 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4288 transitions.
[2022-11-02 20:33:05,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4288 transitions.
[2022-11-02 20:33:05,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:05,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4288 transitions.
[2022-11-02 20:33:05,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 389.8181818181818) internal successors, (4288), 11 states have internal predecessors, (4288), 0 states have call successors, (0), 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 20:33:05,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 442.0) internal successors, (5304), 12 states have internal predecessors, (5304), 0 states have call successors, (0), 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 20:33:05,571 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 442.0) internal successors, (5304), 12 states have internal predecessors, (5304), 0 states have call successors, (0), 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 20:33:05,571 INFO L175 Difference]: Start difference. First operand has 394 places, 393 transitions, 838 flow. Second operand 11 states and 4288 transitions.
[2022-11-02 20:33:05,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 433 transitions, 1086 flow
[2022-11-02 20:33:05,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 433 transitions, 1074 flow, removed 0 selfloop flow, removed 3 redundant places.
[2022-11-02 20:33:05,584 INFO L231 Difference]: Finished difference. Result has 404 places, 405 transitions, 937 flow
[2022-11-02 20:33:05,585 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=937, PETRI_PLACES=404, PETRI_TRANSITIONS=405}
[2022-11-02 20:33:05,586 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 2 predicate places.
[2022-11-02 20:33:05,586 INFO L495 AbstractCegarLoop]: Abstraction has has 404 places, 405 transitions, 937 flow
[2022-11-02 20:33:05,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 386.53333333333336) internal successors, (5798), 15 states have internal predecessors, (5798), 0 states have call successors, (0), 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 20:33:05,590 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:05,590 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:05,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:33:05,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-11-02 20:33:05,811 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:05,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2110917710, now seen corresponding path program 2 times
[2022-11-02 20:33:05,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:05,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606319142]
[2022-11-02 20:33:05,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:05,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2022-11-02 20:33:06,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:06,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606319142]
[2022-11-02 20:33:06,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606319142] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:33:06,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926448780]
[2022-11-02 20:33:06,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-02 20:33:06,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:33:06,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:33:06,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:33:06,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-02 20:33:06,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-11-02 20:33:06,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-02 20:33:06,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 19 conjunts are in the unsatisfiable core
[2022-11-02 20:33:06,547 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:33:06,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2022-11-02 20:33:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-11-02 20:33:06,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20
[2022-11-02 20:33:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-11-02 20:33:06,997 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-11-02 20:33:07,000 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:33:07,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32
[2022-11-02 20:33:07,043 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-11-02 20:33:07,045 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-11-02 20:33:07,046 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-11-02 20:33:07,053 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:33:07,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44
[2022-11-02 20:33:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2022-11-02 20:33:07,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:33:07,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926448780] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:07,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:33:07,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16
[2022-11-02 20:33:07,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869425942]
[2022-11-02 20:33:07,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:07,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:33:07,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:07,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:33:07,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2022-11-02 20:33:07,096 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 442
[2022-11-02 20:33:07,099 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 405 transitions, 937 flow. Second operand has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 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 20:33:07,099 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:07,100 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 442
[2022-11-02 20:33:07,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:10,016 INFO L130 PetriNetUnfolder]: 2581/10631 cut-off events.
[2022-11-02 20:33:10,016 INFO L131 PetriNetUnfolder]: For 28/129 co-relation queries the response was YES.
[2022-11-02 20:33:10,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14690 conditions, 10631 events. 2581/10631 cut-off events. For 28/129 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 106614 event pairs, 780 based on Foata normal form. 34/9175 useless extension candidates. Maximal degree in co-relation 14680. Up to 1319 conditions per place.
[2022-11-02 20:33:10,108 INFO L137 encePairwiseOnDemand]: 436/442 looper letters, 144 selfloop transitions, 5 changer transitions 0/500 dead transitions.
[2022-11-02 20:33:10,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 500 transitions, 1425 flow
[2022-11-02 20:33:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:33:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2022-11-02 20:33:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2712 transitions.
[2022-11-02 20:33:10,115 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8765352294764059
[2022-11-02 20:33:10,116 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2712 transitions.
[2022-11-02 20:33:10,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2712 transitions.
[2022-11-02 20:33:10,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:10,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2712 transitions.
[2022-11-02 20:33:10,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 387.42857142857144) internal successors, (2712), 7 states have internal predecessors, (2712), 0 states have call successors, (0), 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 20:33:10,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 442.0) internal successors, (3536), 8 states have internal predecessors, (3536), 0 states have call successors, (0), 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 20:33:10,132 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 442.0) internal successors, (3536), 8 states have internal predecessors, (3536), 0 states have call successors, (0), 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 20:33:10,133 INFO L175 Difference]: Start difference. First operand has 404 places, 405 transitions, 937 flow. Second operand 7 states and 2712 transitions.
[2022-11-02 20:33:10,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 500 transitions, 1425 flow
[2022-11-02 20:33:10,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 500 transitions, 1408 flow, removed 4 selfloop flow, removed 3 redundant places.
[2022-11-02 20:33:10,145 INFO L231 Difference]: Finished difference. Result has 406 places, 404 transitions, 928 flow
[2022-11-02 20:33:10,145 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=928, PETRI_PLACES=406, PETRI_TRANSITIONS=404}
[2022-11-02 20:33:10,146 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 4 predicate places.
[2022-11-02 20:33:10,146 INFO L495 AbstractCegarLoop]: Abstraction has has 406 places, 404 transitions, 928 flow
[2022-11-02 20:33:10,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 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 20:33:10,148 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:10,148 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:10,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:33:10,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:33:10,363 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:10,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:10,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1734871073, now seen corresponding path program 1 times
[2022-11-02 20:33:10,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:10,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523281462]
[2022-11-02 20:33:10,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:10,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2022-11-02 20:33:10,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:10,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523281462]
[2022-11-02 20:33:10,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523281462] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:10,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:10,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:10,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889286808]
[2022-11-02 20:33:10,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:10,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:10,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:10,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:10,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:10,474 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 442
[2022-11-02 20:33:10,476 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 404 transitions, 928 flow. Second operand has 3 states, 3 states have (on average 395.3333333333333) internal successors, (1186), 3 states have internal predecessors, (1186), 0 states have call successors, (0), 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 20:33:10,476 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:10,476 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 442
[2022-11-02 20:33:10,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:10,701 INFO L130 PetriNetUnfolder]: 33/737 cut-off events.
[2022-11-02 20:33:10,701 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES.
[2022-11-02 20:33:10,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 737 events. 33/737 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2730 event pairs, 14 based on Foata normal form. 0/663 useless extension candidates. Maximal degree in co-relation 902. Up to 71 conditions per place.
[2022-11-02 20:33:10,709 INFO L137 encePairwiseOnDemand]: 439/442 looper letters, 28 selfloop transitions, 2 changer transitions 0/404 dead transitions.
[2022-11-02 20:33:10,709 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 404 transitions, 989 flow
[2022-11-02 20:33:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions.
[2022-11-02 20:33:10,713 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9147812971342383
[2022-11-02 20:33:10,713 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1213 transitions.
[2022-11-02 20:33:10,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1213 transitions.
[2022-11-02 20:33:10,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:10,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1213 transitions.
[2022-11-02 20:33:10,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 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 20:33:10,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:10,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:10,722 INFO L175 Difference]: Start difference. First operand has 406 places, 404 transitions, 928 flow. Second operand 3 states and 1213 transitions.
[2022-11-02 20:33:10,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 404 transitions, 989 flow
[2022-11-02 20:33:10,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 404 transitions, 980 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:33:10,732 INFO L231 Difference]: Finished difference. Result has 402 places, 403 transitions, 921 flow
[2022-11-02 20:33:10,733 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=921, PETRI_PLACES=402, PETRI_TRANSITIONS=403}
[2022-11-02 20:33:10,735 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 0 predicate places.
[2022-11-02 20:33:10,735 INFO L495 AbstractCegarLoop]: Abstraction has has 402 places, 403 transitions, 921 flow
[2022-11-02 20:33:10,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 395.3333333333333) internal successors, (1186), 3 states have internal predecessors, (1186), 0 states have call successors, (0), 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 20:33:10,736 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:10,737 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:10,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-11-02 20:33:10,737 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:10,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 336570330, now seen corresponding path program 1 times
[2022-11-02 20:33:10,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:10,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688057904]
[2022-11-02 20:33:10,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:10,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2022-11-02 20:33:10,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:10,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688057904]
[2022-11-02 20:33:10,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688057904] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:10,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:10,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:10,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880527774]
[2022-11-02 20:33:10,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:10,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:10,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:10,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:10,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:10,857 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 442
[2022-11-02 20:33:10,859 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 403 transitions, 921 flow. Second operand has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 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 20:33:10,859 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:10,859 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 442
[2022-11-02 20:33:10,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:11,174 INFO L130 PetriNetUnfolder]: 43/1183 cut-off events.
[2022-11-02 20:33:11,175 INFO L131 PetriNetUnfolder]: For 19/20 co-relation queries the response was YES.
[2022-11-02 20:33:11,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1309 conditions, 1183 events. 43/1183 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5407 event pairs, 2 based on Foata normal form. 0/1038 useless extension candidates. Maximal degree in co-relation 1299. Up to 41 conditions per place.
[2022-11-02 20:33:11,187 INFO L137 encePairwiseOnDemand]: 438/442 looper letters, 13 selfloop transitions, 2 changer transitions 0/406 dead transitions.
[2022-11-02 20:33:11,187 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 406 transitions, 960 flow
[2022-11-02 20:33:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1250 transitions.
[2022-11-02 20:33:11,191 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.942684766214178
[2022-11-02 20:33:11,191 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1250 transitions.
[2022-11-02 20:33:11,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1250 transitions.
[2022-11-02 20:33:11,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:11,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1250 transitions.
[2022-11-02 20:33:11,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 0 states have call successors, (0), 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 20:33:11,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:11,200 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:11,200 INFO L175 Difference]: Start difference. First operand has 402 places, 403 transitions, 921 flow. Second operand 3 states and 1250 transitions.
[2022-11-02 20:33:11,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 406 transitions, 960 flow
[2022-11-02 20:33:11,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 406 transitions, 956 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:11,210 INFO L231 Difference]: Finished difference. Result has 401 places, 403 transitions, 927 flow
[2022-11-02 20:33:11,211 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=913, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=927, PETRI_PLACES=401, PETRI_TRANSITIONS=403}
[2022-11-02 20:33:11,212 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -1 predicate places.
[2022-11-02 20:33:11,212 INFO L495 AbstractCegarLoop]: Abstraction has has 401 places, 403 transitions, 927 flow
[2022-11-02 20:33:11,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 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 20:33:11,213 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:11,214 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:11,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-11-02 20:33:11,214 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:11,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:11,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1843714889, now seen corresponding path program 1 times
[2022-11-02 20:33:11,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:11,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761675897]
[2022-11-02 20:33:11,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:11,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2022-11-02 20:33:11,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:11,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761675897]
[2022-11-02 20:33:11,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761675897] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:11,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:11,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:11,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3119851]
[2022-11-02 20:33:11,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:11,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:11,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:11,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:11,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:11,325 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 442
[2022-11-02 20:33:11,327 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 403 transitions, 927 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 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 20:33:11,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:11,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 442
[2022-11-02 20:33:11,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:11,638 INFO L130 PetriNetUnfolder]: 49/1197 cut-off events.
[2022-11-02 20:33:11,638 INFO L131 PetriNetUnfolder]: For 16/35 co-relation queries the response was YES.
[2022-11-02 20:33:11,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 1197 events. 49/1197 cut-off events. For 16/35 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5369 event pairs, 12 based on Foata normal form. 2/1074 useless extension candidates. Maximal degree in co-relation 1395. Up to 61 conditions per place.
[2022-11-02 20:33:11,653 INFO L137 encePairwiseOnDemand]: 432/442 looper letters, 21 selfloop transitions, 5 changer transitions 0/402 dead transitions.
[2022-11-02 20:33:11,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 402 transitions, 978 flow
[2022-11-02 20:33:11,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions.
[2022-11-02 20:33:11,657 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9193061840120663
[2022-11-02 20:33:11,657 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions.
[2022-11-02 20:33:11,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions.
[2022-11-02 20:33:11,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:11,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions.
[2022-11-02 20:33:11,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 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 20:33:11,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:11,666 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:11,666 INFO L175 Difference]: Start difference. First operand has 401 places, 403 transitions, 927 flow. Second operand 3 states and 1219 transitions.
[2022-11-02 20:33:11,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 402 transitions, 978 flow
[2022-11-02 20:33:11,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 402 transitions, 978 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:33:11,675 INFO L231 Difference]: Finished difference. Result has 400 places, 401 transitions, 949 flow
[2022-11-02 20:33:11,676 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=949, PETRI_PLACES=400, PETRI_TRANSITIONS=401}
[2022-11-02 20:33:11,677 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -2 predicate places.
[2022-11-02 20:33:11,677 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 401 transitions, 949 flow
[2022-11-02 20:33:11,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 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 20:33:11,678 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:11,678 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:11,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-11-02 20:33:11,679 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:11,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1946456246, now seen corresponding path program 1 times
[2022-11-02 20:33:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:11,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587212894]
[2022-11-02 20:33:11,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:11,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2022-11-02 20:33:11,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:11,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587212894]
[2022-11-02 20:33:11,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587212894] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:11,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:11,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:11,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465909183]
[2022-11-02 20:33:11,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:11,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:11,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:11,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:11,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:11,801 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 442
[2022-11-02 20:33:11,803 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 401 transitions, 949 flow. Second operand has 3 states, 3 states have (on average 395.6666666666667) internal successors, (1187), 3 states have internal predecessors, (1187), 0 states have call successors, (0), 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 20:33:11,803 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:11,803 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 442
[2022-11-02 20:33:11,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:12,125 INFO L130 PetriNetUnfolder]: 74/1182 cut-off events.
[2022-11-02 20:33:12,125 INFO L131 PetriNetUnfolder]: For 70/72 co-relation queries the response was YES.
[2022-11-02 20:33:12,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1469 conditions, 1182 events. 74/1182 cut-off events. For 70/72 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5898 event pairs, 23 based on Foata normal form. 0/1039 useless extension candidates. Maximal degree in co-relation 1457. Up to 151 conditions per place.
[2022-11-02 20:33:12,138 INFO L137 encePairwiseOnDemand]: 439/442 looper letters, 27 selfloop transitions, 2 changer transitions 0/401 dead transitions.
[2022-11-02 20:33:12,138 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 401 transitions, 1008 flow
[2022-11-02 20:33:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions.
[2022-11-02 20:33:12,142 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9140271493212669
[2022-11-02 20:33:12,142 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions.
[2022-11-02 20:33:12,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions.
[2022-11-02 20:33:12,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:12,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions.
[2022-11-02 20:33:12,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 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 20:33:12,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:12,149 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:12,149 INFO L175 Difference]: Start difference. First operand has 400 places, 401 transitions, 949 flow. Second operand 3 states and 1212 transitions.
[2022-11-02 20:33:12,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 401 transitions, 1008 flow
[2022-11-02 20:33:12,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 401 transitions, 998 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:12,158 INFO L231 Difference]: Finished difference. Result has 399 places, 400 transitions, 941 flow
[2022-11-02 20:33:12,158 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=941, PETRI_PLACES=399, PETRI_TRANSITIONS=400}
[2022-11-02 20:33:12,159 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -3 predicate places.
[2022-11-02 20:33:12,159 INFO L495 AbstractCegarLoop]: Abstraction has has 399 places, 400 transitions, 941 flow
[2022-11-02 20:33:12,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 395.6666666666667) internal successors, (1187), 3 states have internal predecessors, (1187), 0 states have call successors, (0), 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 20:33:12,160 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:12,160 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:12,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-11-02 20:33:12,160 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:12,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:12,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2099113054, now seen corresponding path program 1 times
[2022-11-02 20:33:12,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:12,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272356207]
[2022-11-02 20:33:12,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:12,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2022-11-02 20:33:12,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:12,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272356207]
[2022-11-02 20:33:12,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272356207] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:12,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:12,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:33:12,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900512095]
[2022-11-02 20:33:12,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:12,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:33:12,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:12,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:33:12,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:33:12,314 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 442
[2022-11-02 20:33:12,316 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 400 transitions, 941 flow. Second operand has 4 states, 4 states have (on average 398.25) internal successors, (1593), 4 states have internal predecessors, (1593), 0 states have call successors, (0), 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 20:33:12,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:12,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 442
[2022-11-02 20:33:12,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:12,729 INFO L130 PetriNetUnfolder]: 76/1394 cut-off events.
[2022-11-02 20:33:12,729 INFO L131 PetriNetUnfolder]: For 20/72 co-relation queries the response was YES.
[2022-11-02 20:33:12,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1760 conditions, 1394 events. 76/1394 cut-off events. For 20/72 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6994 event pairs, 22 based on Foata normal form. 3/1261 useless extension candidates. Maximal degree in co-relation 1748. Up to 94 conditions per place.
[2022-11-02 20:33:12,748 INFO L137 encePairwiseOnDemand]: 437/442 looper letters, 50 selfloop transitions, 4 changer transitions 0/426 dead transitions.
[2022-11-02 20:33:12,750 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 426 transitions, 1106 flow
[2022-11-02 20:33:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:33:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2022-11-02 20:33:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2040 transitions.
[2022-11-02 20:33:12,758 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231
[2022-11-02 20:33:12,758 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2040 transitions.
[2022-11-02 20:33:12,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2040 transitions.
[2022-11-02 20:33:12,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:12,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2040 transitions.
[2022-11-02 20:33:12,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 408.0) internal successors, (2040), 5 states have internal predecessors, (2040), 0 states have call successors, (0), 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 20:33:12,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 442.0) internal successors, (2652), 6 states have internal predecessors, (2652), 0 states have call successors, (0), 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 20:33:12,772 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 442.0) internal successors, (2652), 6 states have internal predecessors, (2652), 0 states have call successors, (0), 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 20:33:12,773 INFO L175 Difference]: Start difference. First operand has 399 places, 400 transitions, 941 flow. Second operand 5 states and 2040 transitions.
[2022-11-02 20:33:12,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 426 transitions, 1106 flow
[2022-11-02 20:33:12,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 426 transitions, 1102 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:12,785 INFO L231 Difference]: Finished difference. Result has 404 places, 402 transitions, 962 flow
[2022-11-02 20:33:12,786 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=962, PETRI_PLACES=404, PETRI_TRANSITIONS=402}
[2022-11-02 20:33:12,786 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 2 predicate places.
[2022-11-02 20:33:12,787 INFO L495 AbstractCegarLoop]: Abstraction has has 404 places, 402 transitions, 962 flow
[2022-11-02 20:33:12,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 398.25) internal successors, (1593), 4 states have internal predecessors, (1593), 0 states have call successors, (0), 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 20:33:12,788 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:12,788 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:12,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-11-02 20:33:12,788 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash 352996643, now seen corresponding path program 1 times
[2022-11-02 20:33:12,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:12,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22970970]
[2022-11-02 20:33:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:12,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2022-11-02 20:33:13,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:13,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22970970]
[2022-11-02 20:33:13,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22970970] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:33:13,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264441750]
[2022-11-02 20:33:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:13,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:33:13,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:33:13,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:33:13,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-02 20:33:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:13,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-11-02 20:33:13,610 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:33:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2022-11-02 20:33:13,956 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:33:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2022-11-02 20:33:14,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264441750] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:33:14,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:33:14,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2022-11-02 20:33:14,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418513865]
[2022-11-02 20:33:14,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:33:14,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2022-11-02 20:33:14,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:14,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2022-11-02 20:33:14,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462
[2022-11-02 20:33:14,198 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 442
[2022-11-02 20:33:14,209 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 402 transitions, 962 flow. Second operand has 22 states, 22 states have (on average 386.8636363636364) internal successors, (8511), 22 states have internal predecessors, (8511), 0 states have call successors, (0), 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 20:33:14,210 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:14,210 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 442
[2022-11-02 20:33:14,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:15,152 INFO L130 PetriNetUnfolder]: 28/1208 cut-off events.
[2022-11-02 20:33:15,152 INFO L131 PetriNetUnfolder]: For 51/59 co-relation queries the response was YES.
[2022-11-02 20:33:15,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1504 conditions, 1208 events. 28/1208 cut-off events. For 51/59 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4809 event pairs, 1 based on Foata normal form. 4/1100 useless extension candidates. Maximal degree in co-relation 1490. Up to 29 conditions per place.
[2022-11-02 20:33:15,166 INFO L137 encePairwiseOnDemand]: 426/442 looper letters, 88 selfloop transitions, 34 changer transitions 0/470 dead transitions.
[2022-11-02 20:33:15,166 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 470 transitions, 1398 flow
[2022-11-02 20:33:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-11-02 20:33:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2022-11-02 20:33:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6620 transitions.
[2022-11-02 20:33:15,187 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8810220920947565
[2022-11-02 20:33:15,188 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 6620 transitions.
[2022-11-02 20:33:15,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 6620 transitions.
[2022-11-02 20:33:15,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:15,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 6620 transitions.
[2022-11-02 20:33:15,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 389.4117647058824) internal successors, (6620), 17 states have internal predecessors, (6620), 0 states have call successors, (0), 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 20:33:15,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 442.0) internal successors, (7956), 18 states have internal predecessors, (7956), 0 states have call successors, (0), 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 20:33:15,240 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 442.0) internal successors, (7956), 18 states have internal predecessors, (7956), 0 states have call successors, (0), 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 20:33:15,240 INFO L175 Difference]: Start difference. First operand has 404 places, 402 transitions, 962 flow. Second operand 17 states and 6620 transitions.
[2022-11-02 20:33:15,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 470 transitions, 1398 flow
[2022-11-02 20:33:15,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 470 transitions, 1398 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:33:15,255 INFO L231 Difference]: Finished difference. Result has 423 places, 416 transitions, 1137 flow
[2022-11-02 20:33:15,256 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1137, PETRI_PLACES=423, PETRI_TRANSITIONS=416}
[2022-11-02 20:33:15,256 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 21 predicate places.
[2022-11-02 20:33:15,257 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 416 transitions, 1137 flow
[2022-11-02 20:33:15,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 386.8636363636364) internal successors, (8511), 22 states have internal predecessors, (8511), 0 states have call successors, (0), 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 20:33:15,260 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:15,261 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:15,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:33:15,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37ca316-0530-446d-9a2a-6f4bc127d0db/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2022-11-02 20:33:15,475 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:15,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:15,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1906497059, now seen corresponding path program 1 times
[2022-11-02 20:33:15,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:15,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228319655]
[2022-11-02 20:33:15,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:15,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:15,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:15,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228319655]
[2022-11-02 20:33:15,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228319655] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:15,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:15,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:15,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984500010]
[2022-11-02 20:33:15,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:15,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:15,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:15,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:15,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:15,653 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 442
[2022-11-02 20:33:15,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 416 transitions, 1137 flow. Second operand has 3 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 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 20:33:15,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:15,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 442
[2022-11-02 20:33:15,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:15,988 INFO L130 PetriNetUnfolder]: 58/1396 cut-off events.
[2022-11-02 20:33:15,988 INFO L131 PetriNetUnfolder]: For 88/131 co-relation queries the response was YES.
[2022-11-02 20:33:16,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1823 conditions, 1396 events. 58/1396 cut-off events. For 88/131 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6445 event pairs, 23 based on Foata normal form. 2/1279 useless extension candidates. Maximal degree in co-relation 1805. Up to 127 conditions per place.
[2022-11-02 20:33:16,004 INFO L137 encePairwiseOnDemand]: 439/442 looper letters, 24 selfloop transitions, 2 changer transitions 0/416 dead transitions.
[2022-11-02 20:33:16,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 416 transitions, 1190 flow
[2022-11-02 20:33:16,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1207 transitions.
[2022-11-02 20:33:16,008 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9102564102564102
[2022-11-02 20:33:16,008 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1207 transitions.
[2022-11-02 20:33:16,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1207 transitions.
[2022-11-02 20:33:16,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:16,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1207 transitions.
[2022-11-02 20:33:16,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 0 states have call successors, (0), 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 20:33:16,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:16,015 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:16,015 INFO L175 Difference]: Start difference. First operand has 423 places, 416 transitions, 1137 flow. Second operand 3 states and 1207 transitions.
[2022-11-02 20:33:16,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 416 transitions, 1190 flow
[2022-11-02 20:33:16,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 416 transitions, 1145 flow, removed 8 selfloop flow, removed 8 redundant places.
[2022-11-02 20:33:16,025 INFO L231 Difference]: Finished difference. Result has 416 places, 415 transitions, 1094 flow
[2022-11-02 20:33:16,026 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1094, PETRI_PLACES=416, PETRI_TRANSITIONS=415}
[2022-11-02 20:33:16,026 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 14 predicate places.
[2022-11-02 20:33:16,027 INFO L495 AbstractCegarLoop]: Abstraction has has 416 places, 415 transitions, 1094 flow
[2022-11-02 20:33:16,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 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 20:33:16,027 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:16,028 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:16,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2022-11-02 20:33:16,028 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:16,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:16,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1801497057, now seen corresponding path program 2 times
[2022-11-02 20:33:16,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:16,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29651961]
[2022-11-02 20:33:16,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:16,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:17,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29651961]
[2022-11-02 20:33:17,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29651961] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:17,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:17,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:33:17,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103590376]
[2022-11-02 20:33:17,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:17,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:33:17,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:17,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:33:17,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:33:17,077 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 442
[2022-11-02 20:33:17,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 415 transitions, 1094 flow. Second operand has 6 states, 6 states have (on average 365.5) internal successors, (2193), 6 states have internal predecessors, (2193), 0 states have call successors, (0), 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 20:33:17,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:17,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 442
[2022-11-02 20:33:17,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:22,878 INFO L130 PetriNetUnfolder]: 6486/23527 cut-off events.
[2022-11-02 20:33:22,879 INFO L131 PetriNetUnfolder]: For 1085/1100 co-relation queries the response was YES.
[2022-11-02 20:33:23,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36365 conditions, 23527 events. 6486/23527 cut-off events. For 1085/1100 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 250686 event pairs, 1987 based on Foata normal form. 0/21135 useless extension candidates. Maximal degree in co-relation 36347. Up to 5130 conditions per place.
[2022-11-02 20:33:23,108 INFO L137 encePairwiseOnDemand]: 436/442 looper letters, 130 selfloop transitions, 6 changer transitions 0/490 dead transitions.
[2022-11-02 20:33:23,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 490 transitions, 1524 flow
[2022-11-02 20:33:23,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:33:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:33:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2307 transitions.
[2022-11-02 20:33:23,114 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8699095022624435
[2022-11-02 20:33:23,114 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2307 transitions.
[2022-11-02 20:33:23,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2307 transitions.
[2022-11-02 20:33:23,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:23,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2307 transitions.
[2022-11-02 20:33:23,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 384.5) internal successors, (2307), 6 states have internal predecessors, (2307), 0 states have call successors, (0), 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 20:33:23,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 442.0) internal successors, (3094), 7 states have internal predecessors, (3094), 0 states have call successors, (0), 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 20:33:23,125 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 442.0) internal successors, (3094), 7 states have internal predecessors, (3094), 0 states have call successors, (0), 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 20:33:23,125 INFO L175 Difference]: Start difference. First operand has 416 places, 415 transitions, 1094 flow. Second operand 6 states and 2307 transitions.
[2022-11-02 20:33:23,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 490 transitions, 1524 flow
[2022-11-02 20:33:23,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 490 transitions, 1520 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:23,141 INFO L231 Difference]: Finished difference. Result has 418 places, 414 transitions, 1100 flow
[2022-11-02 20:33:23,142 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1100, PETRI_PLACES=418, PETRI_TRANSITIONS=414}
[2022-11-02 20:33:23,142 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 16 predicate places.
[2022-11-02 20:33:23,142 INFO L495 AbstractCegarLoop]: Abstraction has has 418 places, 414 transitions, 1100 flow
[2022-11-02 20:33:23,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 365.5) internal successors, (2193), 6 states have internal predecessors, (2193), 0 states have call successors, (0), 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 20:33:23,143 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:23,144 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:23,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2022-11-02 20:33:23,144 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:23,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:23,145 INFO L85 PathProgramCache]: Analyzing trace with hash 532354056, now seen corresponding path program 1 times
[2022-11-02 20:33:23,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:23,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134350610]
[2022-11-02 20:33:23,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:23,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:23,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:23,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134350610]
[2022-11-02 20:33:23,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134350610] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:23,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:23,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:23,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549060858]
[2022-11-02 20:33:23,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:23,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:23,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:23,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:23,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:23,267 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 442
[2022-11-02 20:33:23,268 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 414 transitions, 1100 flow. Second operand has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 0 states have call successors, (0), 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 20:33:23,269 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:23,269 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 442
[2022-11-02 20:33:23,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:23,833 INFO L130 PetriNetUnfolder]: 62/1784 cut-off events.
[2022-11-02 20:33:23,833 INFO L131 PetriNetUnfolder]: For 96/97 co-relation queries the response was YES.
[2022-11-02 20:33:23,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2158 conditions, 1784 events. 62/1784 cut-off events. For 96/97 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9916 event pairs, 7 based on Foata normal form. 0/1639 useless extension candidates. Maximal degree in co-relation 2140. Up to 76 conditions per place.
[2022-11-02 20:33:23,856 INFO L137 encePairwiseOnDemand]: 438/442 looper letters, 13 selfloop transitions, 2 changer transitions 0/417 dead transitions.
[2022-11-02 20:33:23,856 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 417 transitions, 1139 flow
[2022-11-02 20:33:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1250 transitions.
[2022-11-02 20:33:23,859 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.942684766214178
[2022-11-02 20:33:23,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1250 transitions.
[2022-11-02 20:33:23,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1250 transitions.
[2022-11-02 20:33:23,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:23,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1250 transitions.
[2022-11-02 20:33:23,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 0 states have call successors, (0), 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 20:33:23,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:23,866 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:23,866 INFO L175 Difference]: Start difference. First operand has 418 places, 414 transitions, 1100 flow. Second operand 3 states and 1250 transitions.
[2022-11-02 20:33:23,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 417 transitions, 1139 flow
[2022-11-02 20:33:23,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 417 transitions, 1127 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:33:23,876 INFO L231 Difference]: Finished difference. Result has 414 places, 414 transitions, 1098 flow
[2022-11-02 20:33:23,877 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=414, PETRI_TRANSITIONS=414}
[2022-11-02 20:33:23,878 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 12 predicate places.
[2022-11-02 20:33:23,878 INFO L495 AbstractCegarLoop]: Abstraction has has 414 places, 414 transitions, 1098 flow
[2022-11-02 20:33:23,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 0 states have call successors, (0), 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 20:33:23,879 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:23,879 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:23,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2022-11-02 20:33:23,879 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:23,880 INFO L85 PathProgramCache]: Analyzing trace with hash -676924094, now seen corresponding path program 1 times
[2022-11-02 20:33:23,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:23,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147860958]
[2022-11-02 20:33:23,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:23,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:24,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:24,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147860958]
[2022-11-02 20:33:24,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147860958] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:24,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:24,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:24,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913549715]
[2022-11-02 20:33:24,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:24,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:24,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:24,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:24,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:24,007 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 442
[2022-11-02 20:33:24,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 414 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 398.0) internal successors, (1194), 3 states have internal predecessors, (1194), 0 states have call successors, (0), 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 20:33:24,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:24,008 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 442
[2022-11-02 20:33:24,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:24,638 INFO L130 PetriNetUnfolder]: 105/2054 cut-off events.
[2022-11-02 20:33:24,639 INFO L131 PetriNetUnfolder]: For 125/128 co-relation queries the response was YES.
[2022-11-02 20:33:24,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2525 conditions, 2054 events. 105/2054 cut-off events. For 125/128 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12660 event pairs, 32 based on Foata normal form. 4/1878 useless extension candidates. Maximal degree in co-relation 2507. Up to 121 conditions per place.
[2022-11-02 20:33:24,656 INFO L137 encePairwiseOnDemand]: 430/442 looper letters, 15 selfloop transitions, 4 changer transitions 39/415 dead transitions.
[2022-11-02 20:33:24,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 415 transitions, 1155 flow
[2022-11-02 20:33:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions.
[2022-11-02 20:33:24,659 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9200603318250377
[2022-11-02 20:33:24,659 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions.
[2022-11-02 20:33:24,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions.
[2022-11-02 20:33:24,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:24,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions.
[2022-11-02 20:33:24,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 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 20:33:24,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:24,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:24,667 INFO L175 Difference]: Start difference. First operand has 414 places, 414 transitions, 1098 flow. Second operand 3 states and 1220 transitions.
[2022-11-02 20:33:24,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 415 transitions, 1155 flow
[2022-11-02 20:33:24,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 415 transitions, 1155 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:33:24,676 INFO L231 Difference]: Finished difference. Result has 413 places, 375 transitions, 1039 flow
[2022-11-02 20:33:24,677 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=413, PETRI_TRANSITIONS=375}
[2022-11-02 20:33:24,677 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, 11 predicate places.
[2022-11-02 20:33:24,677 INFO L495 AbstractCegarLoop]: Abstraction has has 413 places, 375 transitions, 1039 flow
[2022-11-02 20:33:24,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.0) internal successors, (1194), 3 states have internal predecessors, (1194), 0 states have call successors, (0), 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 20:33:24,679 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:24,679 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:24,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2022-11-02 20:33:24,679 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:24,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:24,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1343491252, now seen corresponding path program 1 times
[2022-11-02 20:33:24,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:24,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992145010]
[2022-11-02 20:33:24,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:24,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:24,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992145010]
[2022-11-02 20:33:24,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992145010] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:24,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:24,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:33:24,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940080932]
[2022-11-02 20:33:24,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:24,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:33:24,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:24,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:33:24,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:33:24,871 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 442
[2022-11-02 20:33:24,873 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 375 transitions, 1039 flow. Second operand has 4 states, 4 states have (on average 398.5) internal successors, (1594), 4 states have internal predecessors, (1594), 0 states have call successors, (0), 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 20:33:24,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:24,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 442
[2022-11-02 20:33:24,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:25,624 INFO L130 PetriNetUnfolder]: 154/2139 cut-off events.
[2022-11-02 20:33:25,624 INFO L131 PetriNetUnfolder]: For 241/244 co-relation queries the response was YES.
[2022-11-02 20:33:25,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2918 conditions, 2139 events. 154/2139 cut-off events. For 241/244 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 15086 event pairs, 100 based on Foata normal form. 0/1897 useless extension candidates. Maximal degree in co-relation 2898. Up to 219 conditions per place.
[2022-11-02 20:33:25,637 INFO L137 encePairwiseOnDemand]: 437/442 looper letters, 45 selfloop transitions, 4 changer transitions 0/397 dead transitions.
[2022-11-02 20:33:25,637 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 397 transitions, 1182 flow
[2022-11-02 20:33:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:33:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2022-11-02 20:33:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2035 transitions.
[2022-11-02 20:33:25,642 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.920814479638009
[2022-11-02 20:33:25,642 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2035 transitions.
[2022-11-02 20:33:25,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2035 transitions.
[2022-11-02 20:33:25,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:25,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2035 transitions.
[2022-11-02 20:33:25,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 407.0) internal successors, (2035), 5 states have internal predecessors, (2035), 0 states have call successors, (0), 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 20:33:25,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 442.0) internal successors, (2652), 6 states have internal predecessors, (2652), 0 states have call successors, (0), 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 20:33:25,654 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 442.0) internal successors, (2652), 6 states have internal predecessors, (2652), 0 states have call successors, (0), 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 20:33:25,654 INFO L175 Difference]: Start difference. First operand has 413 places, 375 transitions, 1039 flow. Second operand 5 states and 2035 transitions.
[2022-11-02 20:33:25,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 397 transitions, 1182 flow
[2022-11-02 20:33:25,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 397 transitions, 1174 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:25,666 INFO L231 Difference]: Finished difference. Result has 383 places, 377 transitions, 1056 flow
[2022-11-02 20:33:25,667 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=1027, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1056, PETRI_PLACES=383, PETRI_TRANSITIONS=377}
[2022-11-02 20:33:25,667 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -19 predicate places.
[2022-11-02 20:33:25,668 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 377 transitions, 1056 flow
[2022-11-02 20:33:25,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 398.5) internal successors, (1594), 4 states have internal predecessors, (1594), 0 states have call successors, (0), 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 20:33:25,668 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:25,669 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:25,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2022-11-02 20:33:25,669 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:25,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:25,670 INFO L85 PathProgramCache]: Analyzing trace with hash -969920209, now seen corresponding path program 1 times
[2022-11-02 20:33:25,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:25,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270757485]
[2022-11-02 20:33:25,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:25,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:25,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:25,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270757485]
[2022-11-02 20:33:25,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270757485] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:25,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:25,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:33:25,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902498906]
[2022-11-02 20:33:25,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:25,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:33:25,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:25,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:33:25,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:33:25,837 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 442
[2022-11-02 20:33:25,838 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 377 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 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 20:33:25,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:25,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 442
[2022-11-02 20:33:25,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:26,433 INFO L130 PetriNetUnfolder]: 112/1887 cut-off events.
[2022-11-02 20:33:26,433 INFO L131 PetriNetUnfolder]: For 206/209 co-relation queries the response was YES.
[2022-11-02 20:33:26,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2561 conditions, 1887 events. 112/1887 cut-off events. For 206/209 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 13253 event pairs, 73 based on Foata normal form. 0/1730 useless extension candidates. Maximal degree in co-relation 2539. Up to 221 conditions per place.
[2022-11-02 20:33:26,450 INFO L137 encePairwiseOnDemand]: 439/442 looper letters, 17 selfloop transitions, 2 changer transitions 0/377 dead transitions.
[2022-11-02 20:33:26,451 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 377 transitions, 1095 flow
[2022-11-02 20:33:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:33:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:33:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions.
[2022-11-02 20:33:26,454 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9049773755656109
[2022-11-02 20:33:26,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions.
[2022-11-02 20:33:26,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions.
[2022-11-02 20:33:26,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:26,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions.
[2022-11-02 20:33:26,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 0 states have call successors, (0), 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 20:33:26,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:26,462 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 442.0) internal successors, (1768), 4 states have internal predecessors, (1768), 0 states have call successors, (0), 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 20:33:26,462 INFO L175 Difference]: Start difference. First operand has 383 places, 377 transitions, 1056 flow. Second operand 3 states and 1200 transitions.
[2022-11-02 20:33:26,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 377 transitions, 1095 flow
[2022-11-02 20:33:26,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 377 transitions, 1095 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:33:26,474 INFO L231 Difference]: Finished difference. Result has 384 places, 376 transitions, 1058 flow
[2022-11-02 20:33:26,475 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1058, PETRI_PLACES=384, PETRI_TRANSITIONS=376}
[2022-11-02 20:33:26,476 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -18 predicate places.
[2022-11-02 20:33:26,476 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 376 transitions, 1058 flow
[2022-11-02 20:33:26,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 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 20:33:26,477 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:26,477 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:26,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2022-11-02 20:33:26,478 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:26,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:26,478 INFO L85 PathProgramCache]: Analyzing trace with hash -864920207, now seen corresponding path program 1 times
[2022-11-02 20:33:26,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:26,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569167807]
[2022-11-02 20:33:26,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:26,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:27,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:27,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569167807]
[2022-11-02 20:33:27,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569167807] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:27,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:27,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:33:27,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306722472]
[2022-11-02 20:33:27,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:27,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:33:27,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:27,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:33:27,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:33:27,504 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 442
[2022-11-02 20:33:27,506 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 376 transitions, 1058 flow. Second operand has 6 states, 6 states have (on average 365.6666666666667) internal successors, (2194), 6 states have internal predecessors, (2194), 0 states have call successors, (0), 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 20:33:27,506 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:27,506 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 442
[2022-11-02 20:33:27,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:38,083 INFO L130 PetriNetUnfolder]: 11016/42248 cut-off events.
[2022-11-02 20:33:38,084 INFO L131 PetriNetUnfolder]: For 1813/1906 co-relation queries the response was YES.
[2022-11-02 20:33:38,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66008 conditions, 42248 events. 11016/42248 cut-off events. For 1813/1906 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 479042 event pairs, 2870 based on Foata normal form. 4/39600 useless extension candidates. Maximal degree in co-relation 65985. Up to 9814 conditions per place.
[2022-11-02 20:33:38,458 INFO L137 encePairwiseOnDemand]: 436/442 looper letters, 148 selfloop transitions, 6 changer transitions 0/471 dead transitions.
[2022-11-02 20:33:38,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 471 transitions, 1564 flow
[2022-11-02 20:33:38,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:33:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:33:38,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2325 transitions.
[2022-11-02 20:33:38,462 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8766968325791855
[2022-11-02 20:33:38,462 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2325 transitions.
[2022-11-02 20:33:38,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2325 transitions.
[2022-11-02 20:33:38,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:38,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2325 transitions.
[2022-11-02 20:33:38,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 387.5) internal successors, (2325), 6 states have internal predecessors, (2325), 0 states have call successors, (0), 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 20:33:38,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 442.0) internal successors, (3094), 7 states have internal predecessors, (3094), 0 states have call successors, (0), 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 20:33:38,473 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 442.0) internal successors, (3094), 7 states have internal predecessors, (3094), 0 states have call successors, (0), 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 20:33:38,473 INFO L175 Difference]: Start difference. First operand has 384 places, 376 transitions, 1058 flow. Second operand 6 states and 2325 transitions.
[2022-11-02 20:33:38,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 471 transitions, 1564 flow
[2022-11-02 20:33:38,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 471 transitions, 1560 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:33:38,500 INFO L231 Difference]: Finished difference. Result has 386 places, 375 transitions, 1064 flow
[2022-11-02 20:33:38,500 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1064, PETRI_PLACES=386, PETRI_TRANSITIONS=375}
[2022-11-02 20:33:38,501 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -16 predicate places.
[2022-11-02 20:33:38,501 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 375 transitions, 1064 flow
[2022-11-02 20:33:38,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 365.6666666666667) internal successors, (2194), 6 states have internal predecessors, (2194), 0 states have call successors, (0), 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 20:33:38,502 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:38,503 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:38,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2022-11-02 20:33:38,503 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:38,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1063313254, now seen corresponding path program 1 times
[2022-11-02 20:33:38,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:38,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276991839]
[2022-11-02 20:33:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:39,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:39,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276991839]
[2022-11-02 20:33:39,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276991839] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:39,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:39,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:33:39,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606369016]
[2022-11-02 20:33:39,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:39,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:33:39,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:39,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:33:39,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:33:39,456 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 442
[2022-11-02 20:33:39,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 375 transitions, 1064 flow. Second operand has 6 states, 6 states have (on average 366.5) internal successors, (2199), 6 states have internal predecessors, (2199), 0 states have call successors, (0), 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 20:33:39,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:39,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 442
[2022-11-02 20:33:39,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:33:51,612 INFO L130 PetriNetUnfolder]: 10526/47120 cut-off events.
[2022-11-02 20:33:51,613 INFO L131 PetriNetUnfolder]: For 3122/3122 co-relation queries the response was YES.
[2022-11-02 20:33:51,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72250 conditions, 47120 events. 10526/47120 cut-off events. For 3122/3122 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 571418 event pairs, 6692 based on Foata normal form. 0/44479 useless extension candidates. Maximal degree in co-relation 72227. Up to 11081 conditions per place.
[2022-11-02 20:33:52,113 INFO L137 encePairwiseOnDemand]: 436/442 looper letters, 123 selfloop transitions, 6 changer transitions 0/446 dead transitions.
[2022-11-02 20:33:52,113 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 446 transitions, 1504 flow
[2022-11-02 20:33:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:33:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:33:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2300 transitions.
[2022-11-02 20:33:52,119 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8672699849170438
[2022-11-02 20:33:52,119 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2300 transitions.
[2022-11-02 20:33:52,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2300 transitions.
[2022-11-02 20:33:52,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:33:52,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2300 transitions.
[2022-11-02 20:33:52,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 383.3333333333333) internal successors, (2300), 6 states have internal predecessors, (2300), 0 states have call successors, (0), 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 20:33:52,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 442.0) internal successors, (3094), 7 states have internal predecessors, (3094), 0 states have call successors, (0), 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 20:33:52,130 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 442.0) internal successors, (3094), 7 states have internal predecessors, (3094), 0 states have call successors, (0), 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 20:33:52,130 INFO L175 Difference]: Start difference. First operand has 386 places, 375 transitions, 1064 flow. Second operand 6 states and 2300 transitions.
[2022-11-02 20:33:52,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 446 transitions, 1504 flow
[2022-11-02 20:33:52,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 446 transitions, 1460 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-11-02 20:33:52,171 INFO L231 Difference]: Finished difference. Result has 385 places, 374 transitions, 1062 flow
[2022-11-02 20:33:52,172 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1062, PETRI_PLACES=385, PETRI_TRANSITIONS=374}
[2022-11-02 20:33:52,173 INFO L287 CegarLoopForPetriNet]: 402 programPoint places, -17 predicate places.
[2022-11-02 20:33:52,173 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 374 transitions, 1062 flow
[2022-11-02 20:33:52,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.5) internal successors, (2199), 6 states have internal predecessors, (2199), 0 states have call successors, (0), 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 20:33:52,174 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:33:52,174 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:52,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2022-11-02 20:33:52,175 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2022-11-02 20:33:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:33:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash 453138488, now seen corresponding path program 1 times
[2022-11-02 20:33:52,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:33:52,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749631573]
[2022-11-02 20:33:52,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:33:52,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:33:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:33:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2022-11-02 20:33:53,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:33:53,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749631573]
[2022-11-02 20:33:53,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749631573] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:33:53,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:33:53,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:33:53,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381707707]
[2022-11-02 20:33:53,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:33:53,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:33:53,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:33:53,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:33:53,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:33:53,644 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 442
[2022-11-02 20:33:53,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 374 transitions, 1062 flow. Second operand has 6 states, 6 states have (on average 366.6666666666667) internal successors, (2200), 6 states have internal predecessors, (2200), 0 states have call successors, (0), 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 20:33:53,647 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:33:53,647 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 442
[2022-11-02 20:33:53,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand