./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-3.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 6029e5a48177b265da8d69ef0b285080ea9366bff1fe25e3f3180b0cf8b63df5
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:39:28,510 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:39:28,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 07:39:28,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:39:28,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:39:28,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:39:28,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:39:28,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:39:28,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:39:28,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:39:28,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:39:28,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:39:28,622 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:39:28,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:39:28,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:39:28,624 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:39:28,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:39:28,625 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:39:28,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:39:28,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:39:28,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:39:28,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:39:28,628 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-11-19 07:39:28,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:39:28,629 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:39:28,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:39:28,630 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:39:28,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:39:28,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:39:28,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:39:28,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:28,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:39:28,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:39:28,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:39:28,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:39:28,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:39:28,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:39:28,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:39:28,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:39:28,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:39:28,642 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:39:28,643 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6029e5a48177b265da8d69ef0b285080ea9366bff1fe25e3f3180b0cf8b63df5
[2023-11-19 07:39:29,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:39:29,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:39:29,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:39:29,049 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:39:29,050 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:39:29,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-3.i
[2023-11-19 07:39:32,152 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:39:32,483 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:39:32,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-3.i
[2023-11-19 07:39:32,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/data/1da69339d/a09d2b415a3c481096a53ccbab5ca0e9/FLAG68a309587
[2023-11-19 07:39:32,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/data/1da69339d/a09d2b415a3c481096a53ccbab5ca0e9
[2023-11-19 07:39:32,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:39:32,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:39:32,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:32,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:39:32,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:39:32,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:32" (1/1) ...
[2023-11-19 07:39:32,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781615a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:32, skipping insertion in model container
[2023-11-19 07:39:32,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:32" (1/1) ...
[2023-11-19 07:39:32,616 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:39:32,867 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:39:33,348 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:33,366 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:39:33,398 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:39:33,451 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:33,577 WARN L675 CHandler]: The function ffs is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:39:33,577 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:39:33,586 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:39:33,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33 WrapperNode
[2023-11-19 07:39:33,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:33,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:33,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:39:33,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:39:33,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,649 INFO L138 Inliner]: procedures = 281, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129
[2023-11-19 07:39:33,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:33,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:39:33,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:39:33,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:39:33,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:39:33,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:39:33,692 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:39:33,692 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:39:33,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (1/1) ...
[2023-11-19 07:39:33,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:33,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:33,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:39:33,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:39:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:39:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:39:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-19 07:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-19 07:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:39:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure ffs
[2023-11-19 07:39:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:39:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread
[2023-11-19 07:39:33,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread
[2023-11-19 07:39:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:39:33,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:39:33,783 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 07:39:33,935 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:39:33,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:39:34,339 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:39:34,352 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:39:34,359 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:39:34,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:34 BoogieIcfgContainer
[2023-11-19 07:39:34,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:39:34,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:39:34,370 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:39:34,374 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:39:34,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:32" (1/3) ...
[2023-11-19 07:39:34,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7762d0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:34, skipping insertion in model container
[2023-11-19 07:39:34,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:33" (2/3) ...
[2023-11-19 07:39:34,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7762d0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:34, skipping insertion in model container
[2023-11-19 07:39:34,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:34" (3/3) ...
[2023-11-19 07:39:34,391 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-index-bitmask-race-3.i
[2023-11-19 07:39:34,399 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:39:34,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:39:34,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations.
[2023-11-19 07:39:34,408 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:39:34,520 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-19 07:39:34,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 196 transitions, 399 flow
[2023-11-19 07:39:34,707 INFO L124 PetriNetUnfolderBase]: 16/284 cut-off events.
[2023-11-19 07:39:34,711 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 07:39:34,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 284 events. 16/284 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 617 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 142. Up to 6 conditions per place.
[2023-11-19 07:39:34,721 INFO L82 GeneralOperation]: Start removeDead. Operand has 188 places, 196 transitions, 399 flow
[2023-11-19 07:39:34,741 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 196 transitions, 399 flow
[2023-11-19 07:39:34,748 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:39:34,760 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 196 transitions, 399 flow
[2023-11-19 07:39:34,763 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 196 transitions, 399 flow
[2023-11-19 07:39:34,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 196 transitions, 399 flow
[2023-11-19 07:39:34,862 INFO L124 PetriNetUnfolderBase]: 16/284 cut-off events.
[2023-11-19 07:39:34,862 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 07:39:34,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 284 events. 16/284 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 617 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 142. Up to 6 conditions per place.
[2023-11-19 07:39:34,872 INFO L119 LiptonReduction]: Number of co-enabled transitions 9120
[2023-11-19 07:39:39,255 INFO L134 LiptonReduction]: Checked pairs total: 54580
[2023-11-19 07:39:39,256 INFO L136 LiptonReduction]: Total number of compositions: 121
[2023-11-19 07:39:39,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:39:39,279 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@436cf4f0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:39:39,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2023-11-19 07:39:39,282 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:39:39,282 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2023-11-19 07:39:39,282 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:39:39,282 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:39,283 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 07:39:39,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:39,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:39,290 INFO L85 PathProgramCache]: Analyzing trace with hash 641, now seen corresponding path program 1 times
[2023-11-19 07:39:39,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:39,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493011405]
[2023-11-19 07:39:39,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:39,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:39,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:39,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493011405]
[2023-11-19 07:39:39,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493011405] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:39,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:39,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 07:39:39,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973787413]
[2023-11-19 07:39:39,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:39,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:39:39,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:39,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:39:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:39:39,467 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 317
[2023-11-19 07:39:39,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 91 transitions, 189 flow. Second operand has 2 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:39,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:39,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 317
[2023-11-19 07:39:39,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:39,700 INFO L124 PetriNetUnfolderBase]: 258/861 cut-off events.
[2023-11-19 07:39:39,701 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 07:39:39,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1356 conditions, 861 events. 258/861 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5115 event pairs, 204 based on Foata normal form. 0/778 useless extension candidates. Maximal degree in co-relation 1267. Up to 490 conditions per place.
[2023-11-19 07:39:39,712 INFO L140 encePairwiseOnDemand]: 316/317 looper letters, 35 selfloop transitions, 0 changer transitions 0/90 dead transitions.
[2023-11-19 07:39:39,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 90 transitions, 257 flow
[2023-11-19 07:39:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:39:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 07:39:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 416 transitions.
[2023-11-19 07:39:39,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6561514195583596
[2023-11-19 07:39:39,738 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 416 transitions.
[2023-11-19 07:39:39,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 416 transitions.
[2023-11-19 07:39:39,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:39,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 416 transitions.
[2023-11-19 07:39:39,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 208.0) internal successors, (416), 2 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:39,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:39,752 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:39,754 INFO L175 Difference]: Start difference. First operand has 89 places, 91 transitions, 189 flow. Second operand 2 states and 416 transitions.
[2023-11-19 07:39:39,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 90 transitions, 257 flow
[2023-11-19 07:39:39,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 90 transitions, 257 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:39:39,786 INFO L231 Difference]: Finished difference. Result has 89 places, 90 transitions, 187 flow
[2023-11-19 07:39:39,789 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=187, PETRI_PLACES=89, PETRI_TRANSITIONS=90}
[2023-11-19 07:39:39,793 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 0 predicate places.
[2023-11-19 07:39:39,794 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 90 transitions, 187 flow
[2023-11-19 07:39:39,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:39,794 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:39,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-11-19 07:39:39,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:39:39,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:39,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:39,797 INFO L85 PathProgramCache]: Analyzing trace with hash 19670451, now seen corresponding path program 1 times
[2023-11-19 07:39:39,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:39,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794833022]
[2023-11-19 07:39:39,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:39,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:39,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:39,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794833022]
[2023-11-19 07:39:39,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794833022] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:39,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:39,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:39:39,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634204286]
[2023-11-19 07:39:39,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:39,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:39,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:39,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:39,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:39,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 317
[2023-11-19 07:39:39,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 90 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:39,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:39,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 317
[2023-11-19 07:39:39,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:40,263 INFO L124 PetriNetUnfolderBase]: 325/1044 cut-off events.
[2023-11-19 07:39:40,263 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 07:39:40,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 1044 events. 325/1044 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6436 event pairs, 126 based on Foata normal form. 0/912 useless extension candidates. Maximal degree in co-relation 1663. Up to 316 conditions per place.
[2023-11-19 07:39:40,273 INFO L140 encePairwiseOnDemand]: 306/317 looper letters, 63 selfloop transitions, 8 changer transitions 0/122 dead transitions.
[2023-11-19 07:39:40,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 122 transitions, 393 flow
[2023-11-19 07:39:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:39:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions.
[2023-11-19 07:39:40,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6424815983175605
[2023-11-19 07:39:40,278 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions.
[2023-11-19 07:39:40,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions.
[2023-11-19 07:39:40,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:40,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions.
[2023-11-19 07:39:40,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,291 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,292 INFO L175 Difference]: Start difference. First operand has 89 places, 90 transitions, 187 flow. Second operand 3 states and 611 transitions.
[2023-11-19 07:39:40,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 122 transitions, 393 flow
[2023-11-19 07:39:40,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 122 transitions, 393 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:39:40,299 INFO L231 Difference]: Finished difference. Result has 93 places, 98 transitions, 257 flow
[2023-11-19 07:39:40,304 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=93, PETRI_TRANSITIONS=98}
[2023-11-19 07:39:40,307 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 4 predicate places.
[2023-11-19 07:39:40,307 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 98 transitions, 257 flow
[2023-11-19 07:39:40,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,308 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:40,308 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:40,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:39:40,309 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:40,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:40,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1312622900, now seen corresponding path program 1 times
[2023-11-19 07:39:40,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:40,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551879121]
[2023-11-19 07:39:40,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:40,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:40,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:40,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551879121]
[2023-11-19 07:39:40,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551879121] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:40,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:40,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:40,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968870585]
[2023-11-19 07:39:40,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:40,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:40,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:40,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:40,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:40,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 317
[2023-11-19 07:39:40,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 98 transitions, 257 flow. Second operand has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:40,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 317
[2023-11-19 07:39:40,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:40,848 INFO L124 PetriNetUnfolderBase]: 303/1008 cut-off events.
[2023-11-19 07:39:40,848 INFO L125 PetriNetUnfolderBase]: For 186/200 co-relation queries the response was YES.
[2023-11-19 07:39:40,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1796 conditions, 1008 events. 303/1008 cut-off events. For 186/200 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6273 event pairs, 149 based on Foata normal form. 2/887 useless extension candidates. Maximal degree in co-relation 1790. Up to 536 conditions per place.
[2023-11-19 07:39:40,856 INFO L140 encePairwiseOnDemand]: 312/317 looper letters, 64 selfloop transitions, 4 changer transitions 0/124 dead transitions.
[2023-11-19 07:39:40,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 124 transitions, 465 flow
[2023-11-19 07:39:40,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:39:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:39:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 786 transitions.
[2023-11-19 07:39:40,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6198738170347003
[2023-11-19 07:39:40,860 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 786 transitions.
[2023-11-19 07:39:40,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 786 transitions.
[2023-11-19 07:39:40,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:40,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 786 transitions.
[2023-11-19 07:39:40,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 196.5) internal successors, (786), 4 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,869 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,869 INFO L175 Difference]: Start difference. First operand has 93 places, 98 transitions, 257 flow. Second operand 4 states and 786 transitions.
[2023-11-19 07:39:40,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 124 transitions, 465 flow
[2023-11-19 07:39:40,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 124 transitions, 443 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:39:40,875 INFO L231 Difference]: Finished difference. Result has 96 places, 100 transitions, 264 flow
[2023-11-19 07:39:40,876 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=264, PETRI_PLACES=96, PETRI_TRANSITIONS=100}
[2023-11-19 07:39:40,877 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 7 predicate places.
[2023-11-19 07:39:40,877 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 100 transitions, 264 flow
[2023-11-19 07:39:40,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:40,878 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:40,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:40,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:39:40,879 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:40,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:40,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1735239334, now seen corresponding path program 1 times
[2023-11-19 07:39:40,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:40,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358377408]
[2023-11-19 07:39:40,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:40,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:41,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:41,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358377408]
[2023-11-19 07:39:41,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358377408] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:41,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:41,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:39:41,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352416691]
[2023-11-19 07:39:41,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:41,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:39:41,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:41,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:39:41,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:39:41,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 317
[2023-11-19 07:39:41,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 100 transitions, 264 flow. Second operand has 6 states, 6 states have (on average 165.33333333333334) internal successors, (992), 6 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:41,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:41,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 317
[2023-11-19 07:39:41,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:42,154 INFO L124 PetriNetUnfolderBase]: 900/2373 cut-off events.
[2023-11-19 07:39:42,154 INFO L125 PetriNetUnfolderBase]: For 206/231 co-relation queries the response was YES.
[2023-11-19 07:39:42,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4534 conditions, 2373 events. 900/2373 cut-off events. For 206/231 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 16755 event pairs, 257 based on Foata normal form. 16/2171 useless extension candidates. Maximal degree in co-relation 4526. Up to 1026 conditions per place.
[2023-11-19 07:39:42,174 INFO L140 encePairwiseOnDemand]: 294/317 looper letters, 143 selfloop transitions, 29 changer transitions 0/207 dead transitions.
[2023-11-19 07:39:42,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 207 transitions, 876 flow
[2023-11-19 07:39:42,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:39:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:39:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1142 transitions.
[2023-11-19 07:39:42,179 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6004206098843323
[2023-11-19 07:39:42,180 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1142 transitions.
[2023-11-19 07:39:42,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1142 transitions.
[2023-11-19 07:39:42,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:42,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1142 transitions.
[2023-11-19 07:39:42,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 317.0) internal successors, (2219), 7 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,192 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 317.0) internal successors, (2219), 7 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,193 INFO L175 Difference]: Start difference. First operand has 96 places, 100 transitions, 264 flow. Second operand 6 states and 1142 transitions.
[2023-11-19 07:39:42,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 207 transitions, 876 flow
[2023-11-19 07:39:42,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 207 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:39:42,202 INFO L231 Difference]: Finished difference. Result has 105 places, 129 transitions, 481 flow
[2023-11-19 07:39:42,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=481, PETRI_PLACES=105, PETRI_TRANSITIONS=129}
[2023-11-19 07:39:42,205 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 16 predicate places.
[2023-11-19 07:39:42,205 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 129 transitions, 481 flow
[2023-11-19 07:39:42,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.33333333333334) internal successors, (992), 6 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,206 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:42,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:42,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:39:42,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:42,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash -757647534, now seen corresponding path program 1 times
[2023-11-19 07:39:42,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:42,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250484262]
[2023-11-19 07:39:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:42,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:42,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:42,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250484262]
[2023-11-19 07:39:42,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250484262] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:42,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:42,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:39:42,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724364932]
[2023-11-19 07:39:42,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:42,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:42,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:42,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:42,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:42,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 317
[2023-11-19 07:39:42,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 129 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:42,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 317
[2023-11-19 07:39:42,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:42,587 INFO L124 PetriNetUnfolderBase]: 478/1589 cut-off events.
[2023-11-19 07:39:42,587 INFO L125 PetriNetUnfolderBase]: For 359/403 co-relation queries the response was YES.
[2023-11-19 07:39:42,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3294 conditions, 1589 events. 478/1589 cut-off events. For 359/403 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 11351 event pairs, 213 based on Foata normal form. 8/1461 useless extension candidates. Maximal degree in co-relation 3282. Up to 775 conditions per place.
[2023-11-19 07:39:42,601 INFO L140 encePairwiseOnDemand]: 311/317 looper letters, 60 selfloop transitions, 7 changer transitions 0/147 dead transitions.
[2023-11-19 07:39:42,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 147 transitions, 661 flow
[2023-11-19 07:39:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:39:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions.
[2023-11-19 07:39:42,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6214511041009464
[2023-11-19 07:39:42,604 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 591 transitions.
[2023-11-19 07:39:42,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 591 transitions.
[2023-11-19 07:39:42,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:42,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 591 transitions.
[2023-11-19 07:39:42,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,611 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,611 INFO L175 Difference]: Start difference. First operand has 105 places, 129 transitions, 481 flow. Second operand 3 states and 591 transitions.
[2023-11-19 07:39:42,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 147 transitions, 661 flow
[2023-11-19 07:39:42,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 147 transitions, 661 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:39:42,619 INFO L231 Difference]: Finished difference. Result has 109 places, 134 transitions, 537 flow
[2023-11-19 07:39:42,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=537, PETRI_PLACES=109, PETRI_TRANSITIONS=134}
[2023-11-19 07:39:42,620 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 20 predicate places.
[2023-11-19 07:39:42,620 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 134 transitions, 537 flow
[2023-11-19 07:39:42,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,621 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:42,621 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:42,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:39:42,622 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:42,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:42,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1117474698, now seen corresponding path program 1 times
[2023-11-19 07:39:42,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:42,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592774421]
[2023-11-19 07:39:42,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:42,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:42,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:42,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592774421]
[2023-11-19 07:39:42,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592774421] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:42,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:42,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:39:42,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771571469]
[2023-11-19 07:39:42,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:42,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:42,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:42,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:42,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:42,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 317
[2023-11-19 07:39:42,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 134 transitions, 537 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:42,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:42,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 317
[2023-11-19 07:39:42,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:42,996 INFO L124 PetriNetUnfolderBase]: 457/1537 cut-off events.
[2023-11-19 07:39:42,996 INFO L125 PetriNetUnfolderBase]: For 605/640 co-relation queries the response was YES.
[2023-11-19 07:39:43,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3376 conditions, 1537 events. 457/1537 cut-off events. For 605/640 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 10834 event pairs, 73 based on Foata normal form. 34/1448 useless extension candidates. Maximal degree in co-relation 3362. Up to 760 conditions per place.
[2023-11-19 07:39:43,010 INFO L140 encePairwiseOnDemand]: 313/317 looper letters, 64 selfloop transitions, 2 changer transitions 2/150 dead transitions.
[2023-11-19 07:39:43,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 150 transitions, 735 flow
[2023-11-19 07:39:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:39:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 604 transitions.
[2023-11-19 07:39:43,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6351209253417456
[2023-11-19 07:39:43,014 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 604 transitions.
[2023-11-19 07:39:43,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 604 transitions.
[2023-11-19 07:39:43,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:43,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 604 transitions.
[2023-11-19 07:39:43,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:43,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:43,020 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:43,020 INFO L175 Difference]: Start difference. First operand has 109 places, 134 transitions, 537 flow. Second operand 3 states and 604 transitions.
[2023-11-19 07:39:43,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 150 transitions, 735 flow
[2023-11-19 07:39:43,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 150 transitions, 717 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:39:43,028 INFO L231 Difference]: Finished difference. Result has 108 places, 132 transitions, 523 flow
[2023-11-19 07:39:43,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=523, PETRI_PLACES=108, PETRI_TRANSITIONS=132}
[2023-11-19 07:39:43,029 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 19 predicate places.
[2023-11-19 07:39:43,029 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 132 transitions, 523 flow
[2023-11-19 07:39:43,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:43,030 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:43,030 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]
[2023-11-19 07:39:43,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:39:43,030 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:43,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:43,031 INFO L85 PathProgramCache]: Analyzing trace with hash -364276722, now seen corresponding path program 1 times
[2023-11-19 07:39:43,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:43,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133341714]
[2023-11-19 07:39:43,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:43,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:43,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:43,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133341714]
[2023-11-19 07:39:43,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133341714] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:43,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:43,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:39:43,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347378934]
[2023-11-19 07:39:43,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:43,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:39:43,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:43,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:39:43,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:39:43,667 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 317
[2023-11-19 07:39:43,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 132 transitions, 523 flow. Second operand has 6 states, 6 states have (on average 167.0) internal successors, (1002), 6 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:43,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:43,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 317
[2023-11-19 07:39:43,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:44,576 INFO L124 PetriNetUnfolderBase]: 1095/2761 cut-off events.
[2023-11-19 07:39:44,576 INFO L125 PetriNetUnfolderBase]: For 1261/1311 co-relation queries the response was YES.
[2023-11-19 07:39:44,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6809 conditions, 2761 events. 1095/2761 cut-off events. For 1261/1311 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 19683 event pairs, 463 based on Foata normal form. 24/2530 useless extension candidates. Maximal degree in co-relation 6795. Up to 1814 conditions per place.
[2023-11-19 07:39:44,601 INFO L140 encePairwiseOnDemand]: 294/317 looper letters, 171 selfloop transitions, 83 changer transitions 0/290 dead transitions.
[2023-11-19 07:39:44,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 290 transitions, 1667 flow
[2023-11-19 07:39:44,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:39:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:39:44,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1176 transitions.
[2023-11-19 07:39:44,606 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6182965299684543
[2023-11-19 07:39:44,606 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1176 transitions.
[2023-11-19 07:39:44,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1176 transitions.
[2023-11-19 07:39:44,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:44,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1176 transitions.
[2023-11-19 07:39:44,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:44,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 317.0) internal successors, (2219), 7 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:44,616 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 317.0) internal successors, (2219), 7 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:44,617 INFO L175 Difference]: Start difference. First operand has 108 places, 132 transitions, 523 flow. Second operand 6 states and 1176 transitions.
[2023-11-19 07:39:44,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 290 transitions, 1667 flow
[2023-11-19 07:39:44,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 290 transitions, 1641 flow, removed 10 selfloop flow, removed 2 redundant places.
[2023-11-19 07:39:44,635 INFO L231 Difference]: Finished difference. Result has 115 places, 213 transitions, 1253 flow
[2023-11-19 07:39:44,635 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1253, PETRI_PLACES=115, PETRI_TRANSITIONS=213}
[2023-11-19 07:39:44,636 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 26 predicate places.
[2023-11-19 07:39:44,636 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 213 transitions, 1253 flow
[2023-11-19 07:39:44,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.0) internal successors, (1002), 6 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:44,637 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:44,637 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]
[2023-11-19 07:39:44,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:39:44,637 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:44,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:44,638 INFO L85 PathProgramCache]: Analyzing trace with hash -218931083, now seen corresponding path program 1 times
[2023-11-19 07:39:44,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:44,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983530719]
[2023-11-19 07:39:44,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:44,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:44,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:44,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983530719]
[2023-11-19 07:39:44,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983530719] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:39:44,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255881172]
[2023-11-19 07:39:44,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:44,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:44,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:44,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:39:44,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:39:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:44,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:39:45,001 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:39:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:45,104 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:39:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:45,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255881172] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:39:45,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:39:45,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8
[2023-11-19 07:39:45,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584317374]
[2023-11-19 07:39:45,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:39:45,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-19 07:39:45,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:45,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-19 07:39:45,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2023-11-19 07:39:45,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 317
[2023-11-19 07:39:45,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 213 transitions, 1253 flow. Second operand has 9 states, 9 states have (on average 181.22222222222223) internal successors, (1631), 9 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:45,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:45,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 317
[2023-11-19 07:39:45,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:45,731 INFO L124 PetriNetUnfolderBase]: 483/1569 cut-off events.
[2023-11-19 07:39:45,731 INFO L125 PetriNetUnfolderBase]: For 865/914 co-relation queries the response was YES.
[2023-11-19 07:39:45,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3894 conditions, 1569 events. 483/1569 cut-off events. For 865/914 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 11137 event pairs, 114 based on Foata normal form. 10/1469 useless extension candidates. Maximal degree in co-relation 3876. Up to 474 conditions per place.
[2023-11-19 07:39:45,746 INFO L140 encePairwiseOnDemand]: 309/317 looper letters, 78 selfloop transitions, 6 changer transitions 12/228 dead transitions.
[2023-11-19 07:39:45,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 228 transitions, 1364 flow
[2023-11-19 07:39:45,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 07:39:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-11-19 07:39:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1490 transitions.
[2023-11-19 07:39:45,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5875394321766562
[2023-11-19 07:39:45,753 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1490 transitions.
[2023-11-19 07:39:45,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1490 transitions.
[2023-11-19 07:39:45,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:45,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1490 transitions.
[2023-11-19 07:39:45,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 186.25) internal successors, (1490), 8 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:45,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 317.0) internal successors, (2853), 9 states have internal predecessors, (2853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:45,765 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 317.0) internal successors, (2853), 9 states have internal predecessors, (2853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:45,766 INFO L175 Difference]: Start difference. First operand has 115 places, 213 transitions, 1253 flow. Second operand 8 states and 1490 transitions.
[2023-11-19 07:39:45,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 228 transitions, 1364 flow
[2023-11-19 07:39:45,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 228 transitions, 1304 flow, removed 27 selfloop flow, removed 2 redundant places.
[2023-11-19 07:39:45,782 INFO L231 Difference]: Finished difference. Result has 121 places, 178 transitions, 972 flow
[2023-11-19 07:39:45,782 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1000, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=972, PETRI_PLACES=121, PETRI_TRANSITIONS=178}
[2023-11-19 07:39:45,785 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places.
[2023-11-19 07:39:45,785 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 178 transitions, 972 flow
[2023-11-19 07:39:45,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 181.22222222222223) internal successors, (1631), 9 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:45,787 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:45,787 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]
[2023-11-19 07:39:45,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:39:45,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:46,000 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:46,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:46,000 INFO L85 PathProgramCache]: Analyzing trace with hash 970030603, now seen corresponding path program 1 times
[2023-11-19 07:39:46,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:46,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503339702]
[2023-11-19 07:39:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:46,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:46,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:46,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503339702]
[2023-11-19 07:39:46,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503339702] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:46,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:46,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:46,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714431262]
[2023-11-19 07:39:46,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:46,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:46,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:46,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:46,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:46,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 317
[2023-11-19 07:39:46,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 178 transitions, 972 flow. Second operand has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:46,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:46,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 317
[2023-11-19 07:39:46,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:46,540 INFO L124 PetriNetUnfolderBase]: 521/1557 cut-off events.
[2023-11-19 07:39:46,540 INFO L125 PetriNetUnfolderBase]: For 833/877 co-relation queries the response was YES.
[2023-11-19 07:39:46,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3999 conditions, 1557 events. 521/1557 cut-off events. For 833/877 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 10491 event pairs, 197 based on Foata normal form. 7/1466 useless extension candidates. Maximal degree in co-relation 3979. Up to 729 conditions per place.
[2023-11-19 07:39:46,555 INFO L140 encePairwiseOnDemand]: 312/317 looper letters, 51 selfloop transitions, 4 changer transitions 0/184 dead transitions.
[2023-11-19 07:39:46,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 184 transitions, 1102 flow
[2023-11-19 07:39:46,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:39:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:39:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 766 transitions.
[2023-11-19 07:39:46,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6041009463722398
[2023-11-19 07:39:46,559 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 766 transitions.
[2023-11-19 07:39:46,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 766 transitions.
[2023-11-19 07:39:46,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:46,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 766 transitions.
[2023-11-19 07:39:46,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 191.5) internal successors, (766), 4 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:46,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:46,567 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:46,567 INFO L175 Difference]: Start difference. First operand has 121 places, 178 transitions, 972 flow. Second operand 4 states and 766 transitions.
[2023-11-19 07:39:46,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 184 transitions, 1102 flow
[2023-11-19 07:39:46,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 184 transitions, 1093 flow, removed 1 selfloop flow, removed 4 redundant places.
[2023-11-19 07:39:46,581 INFO L231 Difference]: Finished difference. Result has 114 places, 181 transitions, 992 flow
[2023-11-19 07:39:46,582 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=963, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=992, PETRI_PLACES=114, PETRI_TRANSITIONS=181}
[2023-11-19 07:39:46,583 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 25 predicate places.
[2023-11-19 07:39:46,583 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 181 transitions, 992 flow
[2023-11-19 07:39:46,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:46,584 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:46,584 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]
[2023-11-19 07:39:46,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:39:46,585 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:46,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:46,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1740025939, now seen corresponding path program 1 times
[2023-11-19 07:39:46,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:46,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122646683]
[2023-11-19 07:39:46,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:46,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:46,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:46,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122646683]
[2023-11-19 07:39:46,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122646683] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:46,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:46,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:46,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170708396]
[2023-11-19 07:39:46,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:46,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:46,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:46,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:46,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 317
[2023-11-19 07:39:46,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 181 transitions, 992 flow. Second operand has 4 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:46,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:46,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 317
[2023-11-19 07:39:46,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:47,346 INFO L124 PetriNetUnfolderBase]: 721/2197 cut-off events.
[2023-11-19 07:39:47,347 INFO L125 PetriNetUnfolderBase]: For 1183/1261 co-relation queries the response was YES.
[2023-11-19 07:39:47,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5692 conditions, 2197 events. 721/2197 cut-off events. For 1183/1261 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 16683 event pairs, 210 based on Foata normal form. 17/2087 useless extension candidates. Maximal degree in co-relation 5671. Up to 776 conditions per place.
[2023-11-19 07:39:47,378 INFO L140 encePairwiseOnDemand]: 310/317 looper letters, 75 selfloop transitions, 6 changer transitions 0/209 dead transitions.
[2023-11-19 07:39:47,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 209 transitions, 1258 flow
[2023-11-19 07:39:47,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:39:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:39:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 780 transitions.
[2023-11-19 07:39:47,382 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6151419558359621
[2023-11-19 07:39:47,382 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 780 transitions.
[2023-11-19 07:39:47,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 780 transitions.
[2023-11-19 07:39:47,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:47,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 780 transitions.
[2023-11-19 07:39:47,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:47,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:47,391 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:47,391 INFO L175 Difference]: Start difference. First operand has 114 places, 181 transitions, 992 flow. Second operand 4 states and 780 transitions.
[2023-11-19 07:39:47,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 209 transitions, 1258 flow
[2023-11-19 07:39:47,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 209 transitions, 1254 flow, removed 1 selfloop flow, removed 1 redundant places.
[2023-11-19 07:39:47,413 INFO L231 Difference]: Finished difference. Result has 118 places, 182 transitions, 1012 flow
[2023-11-19 07:39:47,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=983, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1012, PETRI_PLACES=118, PETRI_TRANSITIONS=182}
[2023-11-19 07:39:47,415 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 29 predicate places.
[2023-11-19 07:39:47,415 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 182 transitions, 1012 flow
[2023-11-19 07:39:47,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:47,415 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:47,416 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]
[2023-11-19 07:39:47,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 07:39:47,416 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:47,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1873476162, now seen corresponding path program 1 times
[2023-11-19 07:39:47,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:47,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022699904]
[2023-11-19 07:39:47,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:47,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:39:48,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:48,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022699904]
[2023-11-19 07:39:48,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022699904] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:48,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:48,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:39:48,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85286048]
[2023-11-19 07:39:48,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:48,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:39:48,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:48,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:39:48,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:39:48,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 317
[2023-11-19 07:39:48,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 182 transitions, 1012 flow. Second operand has 8 states, 8 states have (on average 165.625) internal successors, (1325), 8 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:48,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:48,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 317
[2023-11-19 07:39:48,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:48,999 INFO L124 PetriNetUnfolderBase]: 1060/2724 cut-off events.
[2023-11-19 07:39:48,999 INFO L125 PetriNetUnfolderBase]: For 2197/2260 co-relation queries the response was YES.
[2023-11-19 07:39:49,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8198 conditions, 2724 events. 1060/2724 cut-off events. For 2197/2260 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 19683 event pairs, 545 based on Foata normal form. 77/2595 useless extension candidates. Maximal degree in co-relation 8175. Up to 2044 conditions per place.
[2023-11-19 07:39:49,021 INFO L140 encePairwiseOnDemand]: 310/317 looper letters, 135 selfloop transitions, 5 changer transitions 0/191 dead transitions.
[2023-11-19 07:39:49,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 191 transitions, 1344 flow
[2023-11-19 07:39:49,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:39:49,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-19 07:39:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1195 transitions.
[2023-11-19 07:39:49,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5385308697611537
[2023-11-19 07:39:49,027 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1195 transitions.
[2023-11-19 07:39:49,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1195 transitions.
[2023-11-19 07:39:49,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:49,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1195 transitions.
[2023-11-19 07:39:49,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 170.71428571428572) internal successors, (1195), 7 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:49,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 317.0) internal successors, (2536), 8 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:49,038 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 317.0) internal successors, (2536), 8 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:49,039 INFO L175 Difference]: Start difference. First operand has 118 places, 182 transitions, 1012 flow. Second operand 7 states and 1195 transitions.
[2023-11-19 07:39:49,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 191 transitions, 1344 flow
[2023-11-19 07:39:49,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 191 transitions, 1323 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-11-19 07:39:49,067 INFO L231 Difference]: Finished difference. Result has 123 places, 184 transitions, 1041 flow
[2023-11-19 07:39:49,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=984, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1041, PETRI_PLACES=123, PETRI_TRANSITIONS=184}
[2023-11-19 07:39:49,069 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 34 predicate places.
[2023-11-19 07:39:49,069 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 184 transitions, 1041 flow
[2023-11-19 07:39:49,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 165.625) internal successors, (1325), 8 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:49,070 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:49,070 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]
[2023-11-19 07:39:49,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-19 07:39:49,070 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:49,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:49,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1433373521, now seen corresponding path program 1 times
[2023-11-19 07:39:49,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:49,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027267149]
[2023-11-19 07:39:49,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:49,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:39:49,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:49,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027267149]
[2023-11-19 07:39:49,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027267149] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:49,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:49,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:39:49,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387672977]
[2023-11-19 07:39:49,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:49,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:39:49,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:49,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:39:49,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:39:49,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 317
[2023-11-19 07:39:49,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 184 transitions, 1041 flow. Second operand has 8 states, 8 states have (on average 162.5) internal successors, (1300), 8 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:49,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:49,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 317
[2023-11-19 07:39:49,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:50,743 INFO L124 PetriNetUnfolderBase]: 1094/2810 cut-off events.
[2023-11-19 07:39:50,743 INFO L125 PetriNetUnfolderBase]: For 2181/2246 co-relation queries the response was YES.
[2023-11-19 07:39:50,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8410 conditions, 2810 events. 1094/2810 cut-off events. For 2181/2246 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 20565 event pairs, 478 based on Foata normal form. 56/2634 useless extension candidates. Maximal degree in co-relation 8384. Up to 1558 conditions per place.
[2023-11-19 07:39:50,766 INFO L140 encePairwiseOnDemand]: 305/317 looper letters, 218 selfloop transitions, 46 changer transitions 0/298 dead transitions.
[2023-11-19 07:39:50,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 298 transitions, 2198 flow
[2023-11-19 07:39:50,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:39:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-19 07:39:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1271 transitions.
[2023-11-19 07:39:50,772 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.572780531771068
[2023-11-19 07:39:50,772 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1271 transitions.
[2023-11-19 07:39:50,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1271 transitions.
[2023-11-19 07:39:50,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:50,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1271 transitions.
[2023-11-19 07:39:50,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 181.57142857142858) internal successors, (1271), 7 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:50,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 317.0) internal successors, (2536), 8 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:50,784 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 317.0) internal successors, (2536), 8 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:50,784 INFO L175 Difference]: Start difference. First operand has 123 places, 184 transitions, 1041 flow. Second operand 7 states and 1271 transitions.
[2023-11-19 07:39:50,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 298 transitions, 2198 flow
[2023-11-19 07:39:50,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 298 transitions, 2189 flow, removed 4 selfloop flow, removed 1 redundant places.
[2023-11-19 07:39:50,819 INFO L231 Difference]: Finished difference. Result has 133 places, 196 transitions, 1300 flow
[2023-11-19 07:39:50,820 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1300, PETRI_PLACES=133, PETRI_TRANSITIONS=196}
[2023-11-19 07:39:50,821 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 44 predicate places.
[2023-11-19 07:39:50,821 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 196 transitions, 1300 flow
[2023-11-19 07:39:50,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 162.5) internal successors, (1300), 8 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:50,822 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:50,822 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]
[2023-11-19 07:39:50,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-19 07:39:50,822 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:50,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash 348045638, now seen corresponding path program 1 times
[2023-11-19 07:39:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:50,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518800589]
[2023-11-19 07:39:50,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:39:51,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518800589]
[2023-11-19 07:39:51,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518800589] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:51,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:51,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:39:51,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921348400]
[2023-11-19 07:39:51,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:51,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:39:51,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:51,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:39:51,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:39:51,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 317
[2023-11-19 07:39:51,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 196 transitions, 1300 flow. Second operand has 6 states, 6 states have (on average 176.33333333333334) internal successors, (1058), 6 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:51,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:51,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 317
[2023-11-19 07:39:51,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:52,256 INFO L124 PetriNetUnfolderBase]: 932/2477 cut-off events.
[2023-11-19 07:39:52,256 INFO L125 PetriNetUnfolderBase]: For 4038/4099 co-relation queries the response was YES.
[2023-11-19 07:39:52,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7996 conditions, 2477 events. 932/2477 cut-off events. For 4038/4099 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 18314 event pairs, 299 based on Foata normal form. 12/2346 useless extension candidates. Maximal degree in co-relation 7965. Up to 1334 conditions per place.
[2023-11-19 07:39:52,277 INFO L140 encePairwiseOnDemand]: 306/317 looper letters, 139 selfloop transitions, 47 changer transitions 13/290 dead transitions.
[2023-11-19 07:39:52,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 290 transitions, 2248 flow
[2023-11-19 07:39:52,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:39:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-19 07:39:52,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1154 transitions.
[2023-11-19 07:39:52,282 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6067297581493165
[2023-11-19 07:39:52,282 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1154 transitions.
[2023-11-19 07:39:52,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1154 transitions.
[2023-11-19 07:39:52,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:52,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1154 transitions.
[2023-11-19 07:39:52,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.33333333333334) internal successors, (1154), 6 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 317.0) internal successors, (2219), 7 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,291 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 317.0) internal successors, (2219), 7 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,292 INFO L175 Difference]: Start difference. First operand has 133 places, 196 transitions, 1300 flow. Second operand 6 states and 1154 transitions.
[2023-11-19 07:39:52,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 290 transitions, 2248 flow
[2023-11-19 07:39:52,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 290 transitions, 2193 flow, removed 27 selfloop flow, removed 1 redundant places.
[2023-11-19 07:39:52,333 INFO L231 Difference]: Finished difference. Result has 142 places, 228 transitions, 1758 flow
[2023-11-19 07:39:52,333 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1758, PETRI_PLACES=142, PETRI_TRANSITIONS=228}
[2023-11-19 07:39:52,335 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 53 predicate places.
[2023-11-19 07:39:52,335 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 228 transitions, 1758 flow
[2023-11-19 07:39:52,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.33333333333334) internal successors, (1058), 6 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,336 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:52,336 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]
[2023-11-19 07:39:52,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-11-19 07:39:52,336 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:52,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:52,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1157540917, now seen corresponding path program 1 times
[2023-11-19 07:39:52,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:52,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966137911]
[2023-11-19 07:39:52,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:52,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:52,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:52,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966137911]
[2023-11-19 07:39:52,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966137911] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:52,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:52,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:39:52,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103582204]
[2023-11-19 07:39:52,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:52,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:52,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:52,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:52,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:52,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 317
[2023-11-19 07:39:52,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 228 transitions, 1758 flow. Second operand has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:52,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 317
[2023-11-19 07:39:52,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:52,890 INFO L124 PetriNetUnfolderBase]: 723/2128 cut-off events.
[2023-11-19 07:39:52,891 INFO L125 PetriNetUnfolderBase]: For 3321/3403 co-relation queries the response was YES.
[2023-11-19 07:39:52,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6824 conditions, 2128 events. 723/2128 cut-off events. For 3321/3403 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 16128 event pairs, 216 based on Foata normal form. 17/2029 useless extension candidates. Maximal degree in co-relation 6789. Up to 916 conditions per place.
[2023-11-19 07:39:52,910 INFO L140 encePairwiseOnDemand]: 311/317 looper letters, 58 selfloop transitions, 10 changer transitions 12/246 dead transitions.
[2023-11-19 07:39:52,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 246 transitions, 1968 flow
[2023-11-19 07:39:52,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:52,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:39:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions.
[2023-11-19 07:39:52,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6203995793901157
[2023-11-19 07:39:52,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 590 transitions.
[2023-11-19 07:39:52,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 590 transitions.
[2023-11-19 07:39:52,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:52,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 590 transitions.
[2023-11-19 07:39:52,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,919 INFO L175 Difference]: Start difference. First operand has 142 places, 228 transitions, 1758 flow. Second operand 3 states and 590 transitions.
[2023-11-19 07:39:52,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 246 transitions, 1968 flow
[2023-11-19 07:39:52,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 246 transitions, 1928 flow, removed 20 selfloop flow, removed 1 redundant places.
[2023-11-19 07:39:52,960 INFO L231 Difference]: Finished difference. Result has 141 places, 224 transitions, 1663 flow
[2023-11-19 07:39:52,960 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1720, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1663, PETRI_PLACES=141, PETRI_TRANSITIONS=224}
[2023-11-19 07:39:52,961 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 52 predicate places.
[2023-11-19 07:39:52,961 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 224 transitions, 1663 flow
[2023-11-19 07:39:52,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:52,961 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:52,962 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:52,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-11-19 07:39:52,962 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:52,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:52,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1321738509, now seen corresponding path program 1 times
[2023-11-19 07:39:52,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:52,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764131230]
[2023-11-19 07:39:52,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:52,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:39:53,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:53,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764131230]
[2023-11-19 07:39:53,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764131230] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:53,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:53,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:53,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000198585]
[2023-11-19 07:39:53,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:53,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:39:53,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:53,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:39:53,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:39:53,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 317
[2023-11-19 07:39:53,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 224 transitions, 1663 flow. Second operand has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:53,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:53,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 317
[2023-11-19 07:39:53,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:53,395 INFO L124 PetriNetUnfolderBase]: 442/1495 cut-off events.
[2023-11-19 07:39:53,396 INFO L125 PetriNetUnfolderBase]: For 2957/2980 co-relation queries the response was YES.
[2023-11-19 07:39:53,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5196 conditions, 1495 events. 442/1495 cut-off events. For 2957/2980 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 10782 event pairs, 47 based on Foata normal form. 30/1474 useless extension candidates. Maximal degree in co-relation 5160. Up to 374 conditions per place.
[2023-11-19 07:39:53,409 INFO L140 encePairwiseOnDemand]: 313/317 looper letters, 37 selfloop transitions, 7 changer transitions 1/208 dead transitions.
[2023-11-19 07:39:53,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 208 transitions, 1636 flow
[2023-11-19 07:39:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:39:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:39:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 594 transitions.
[2023-11-19 07:39:53,414 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6246056782334385
[2023-11-19 07:39:53,414 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 594 transitions.
[2023-11-19 07:39:53,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 594 transitions.
[2023-11-19 07:39:53,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:53,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 594 transitions.
[2023-11-19 07:39:53,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:53,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:53,424 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 317.0) internal successors, (1268), 4 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:53,424 INFO L175 Difference]: Start difference. First operand has 141 places, 224 transitions, 1663 flow. Second operand 3 states and 594 transitions.
[2023-11-19 07:39:53,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 208 transitions, 1636 flow
[2023-11-19 07:39:53,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 208 transitions, 1596 flow, removed 11 selfloop flow, removed 7 redundant places.
[2023-11-19 07:39:53,467 INFO L231 Difference]: Finished difference. Result has 131 places, 200 transitions, 1499 flow
[2023-11-19 07:39:53,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1485, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1499, PETRI_PLACES=131, PETRI_TRANSITIONS=200}
[2023-11-19 07:39:53,470 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 42 predicate places.
[2023-11-19 07:39:53,471 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 200 transitions, 1499 flow
[2023-11-19 07:39:53,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:53,471 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:53,471 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]
[2023-11-19 07:39:53,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2023-11-19 07:39:53,472 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:53,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:53,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1805494964, now seen corresponding path program 1 times
[2023-11-19 07:39:53,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:53,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552022407]
[2023-11-19 07:39:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:53,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:54,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:54,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552022407]
[2023-11-19 07:39:54,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552022407] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:39:54,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734940144]
[2023-11-19 07:39:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:54,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:54,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:54,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:39:54,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:39:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:54,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 28 conjunts are in the unsatisfiable core
[2023-11-19 07:39:54,473 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:39:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:39:54,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12
[2023-11-19 07:39:54,764 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size
[2023-11-19 07:39:54,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24
[2023-11-19 07:39:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:39:54,827 INFO L378 Elim1Store]: Elim1 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 26 treesize of output 19
[2023-11-19 07:39:54,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13
[2023-11-19 07:39:54,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2023-11-19 07:39:54,877 INFO L378 Elim1Store]: Elim1 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 28 treesize of output 27
[2023-11-19 07:39:54,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:39:54,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42
[2023-11-19 07:39:54,920 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:39:54,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57
[2023-11-19 07:39:54,964 INFO L378 Elim1Store]: Elim1 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 56 treesize of output 45
[2023-11-19 07:39:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:39:54,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:39:54,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734940144] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:54,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:39:54,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 12
[2023-11-19 07:39:54,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300840670]
[2023-11-19 07:39:54,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:54,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-19 07:39:54,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:54,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-19 07:39:54,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:39:55,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 317
[2023-11-19 07:39:55,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 200 transitions, 1499 flow. Second operand has 10 states, 10 states have (on average 157.3) internal successors, (1573), 10 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:55,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:55,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 317
[2023-11-19 07:39:55,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:39:56,535 INFO L124 PetriNetUnfolderBase]: 976/2502 cut-off events.
[2023-11-19 07:39:56,535 INFO L125 PetriNetUnfolderBase]: For 5875/5887 co-relation queries the response was YES.
[2023-11-19 07:39:56,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9254 conditions, 2502 events. 976/2502 cut-off events. For 5875/5887 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 17830 event pairs, 285 based on Foata normal form. 19/2402 useless extension candidates. Maximal degree in co-relation 9221. Up to 703 conditions per place.
[2023-11-19 07:39:56,566 INFO L140 encePairwiseOnDemand]: 306/317 looper letters, 269 selfloop transitions, 69 changer transitions 10/375 dead transitions.
[2023-11-19 07:39:56,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 375 transitions, 3541 flow
[2023-11-19 07:39:56,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2023-11-19 07:39:56,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2023-11-19 07:39:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1831 transitions.
[2023-11-19 07:39:56,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5250932033266418
[2023-11-19 07:39:56,574 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1831 transitions.
[2023-11-19 07:39:56,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1831 transitions.
[2023-11-19 07:39:56,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:39:56,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1831 transitions.
[2023-11-19 07:39:56,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 166.45454545454547) internal successors, (1831), 11 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:56,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 317.0) internal successors, (3804), 12 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:56,590 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 317.0) internal successors, (3804), 12 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:56,590 INFO L175 Difference]: Start difference. First operand has 131 places, 200 transitions, 1499 flow. Second operand 11 states and 1831 transitions.
[2023-11-19 07:39:56,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 375 transitions, 3541 flow
[2023-11-19 07:39:56,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 375 transitions, 3527 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:39:56,646 INFO L231 Difference]: Finished difference. Result has 145 places, 250 transitions, 2309 flow
[2023-11-19 07:39:56,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1492, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2309, PETRI_PLACES=145, PETRI_TRANSITIONS=250}
[2023-11-19 07:39:56,647 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 56 predicate places.
[2023-11-19 07:39:56,647 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 250 transitions, 2309 flow
[2023-11-19 07:39:56,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 157.3) internal successors, (1573), 10 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:56,648 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:39:56,648 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]
[2023-11-19 07:39:56,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:39:56,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:56,864 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:39:56,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:56,864 INFO L85 PathProgramCache]: Analyzing trace with hash -738301002, now seen corresponding path program 2 times
[2023-11-19 07:39:56,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:56,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492608195]
[2023-11-19 07:39:56,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:56,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:57,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:57,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492608195]
[2023-11-19 07:39:57,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492608195] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:39:57,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990128512]
[2023-11-19 07:39:57,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:39:57,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:57,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:57,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:39:57,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:39:58,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 07:39:58,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 32 conjunts are in the unsatisfiable core
[2023-11-19 07:39:58,032 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:39:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:39:58,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24
[2023-11-19 07:39:58,282 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size
[2023-11-19 07:39:58,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24
[2023-11-19 07:39:58,322 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:39:58,323 INFO L378 Elim1Store]: Elim1 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 26 treesize of output 19
[2023-11-19 07:39:58,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2023-11-19 07:39:58,392 INFO L378 Elim1Store]: Elim1 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 28 treesize of output 27
[2023-11-19 07:39:58,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:39:58,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42
[2023-11-19 07:39:58,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13
[2023-11-19 07:39:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:39:58,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35
[2023-11-19 07:39:58,684 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:39:58,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57
[2023-11-19 07:39:58,762 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:39:58,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:39:58,795 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:39:58,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:39:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:39:58,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:39:58,884 INFO L378 Elim1Store]: Elim1 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 56 treesize of output 45
[2023-11-19 07:39:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:39:58,896 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:39:58,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990128512] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:58,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:39:58,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17
[2023-11-19 07:39:58,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266908270]
[2023-11-19 07:39:58,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:58,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-19 07:39:58,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-19 07:39:58,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342
[2023-11-19 07:39:59,608 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 317
[2023-11-19 07:39:59,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 250 transitions, 2309 flow. Second operand has 11 states, 11 states have (on average 157.0) internal successors, (1727), 11 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:39:59,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:39:59,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 317
[2023-11-19 07:39:59,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:01,023 INFO L124 PetriNetUnfolderBase]: 1023/2596 cut-off events.
[2023-11-19 07:40:01,023 INFO L125 PetriNetUnfolderBase]: For 8282/8298 co-relation queries the response was YES.
[2023-11-19 07:40:01,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10762 conditions, 2596 events. 1023/2596 cut-off events. For 8282/8298 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 18628 event pairs, 242 based on Foata normal form. 19/2485 useless extension candidates. Maximal degree in co-relation 10723. Up to 869 conditions per place.
[2023-11-19 07:40:01,050 INFO L140 encePairwiseOnDemand]: 302/317 looper letters, 265 selfloop transitions, 108 changer transitions 27/427 dead transitions.
[2023-11-19 07:40:01,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 427 transitions, 4319 flow
[2023-11-19 07:40:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2023-11-19 07:40:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2023-11-19 07:40:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2353 transitions.
[2023-11-19 07:40:01,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5301937809824245
[2023-11-19 07:40:01,064 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2353 transitions.
[2023-11-19 07:40:01,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2353 transitions.
[2023-11-19 07:40:01,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:01,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2353 transitions.
[2023-11-19 07:40:01,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 168.07142857142858) internal successors, (2353), 14 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:01,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 317.0) internal successors, (4755), 15 states have internal predecessors, (4755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:01,083 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 317.0) internal successors, (4755), 15 states have internal predecessors, (4755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:01,084 INFO L175 Difference]: Start difference. First operand has 145 places, 250 transitions, 2309 flow. Second operand 14 states and 2353 transitions.
[2023-11-19 07:40:01,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 427 transitions, 4319 flow
[2023-11-19 07:40:01,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 427 transitions, 4318 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:40:01,178 INFO L231 Difference]: Finished difference. Result has 162 places, 284 transitions, 2997 flow
[2023-11-19 07:40:01,179 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=2308, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2997, PETRI_PLACES=162, PETRI_TRANSITIONS=284}
[2023-11-19 07:40:01,179 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 73 predicate places.
[2023-11-19 07:40:01,179 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 284 transitions, 2997 flow
[2023-11-19 07:40:01,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 157.0) internal successors, (1727), 11 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:01,180 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:01,180 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:01,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:01,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2023-11-19 07:40:01,390 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:40:01,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:01,390 INFO L85 PathProgramCache]: Analyzing trace with hash -99406540, now seen corresponding path program 1 times
[2023-11-19 07:40:01,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:01,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137625055]
[2023-11-19 07:40:01,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:01,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:02,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:02,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137625055]
[2023-11-19 07:40:02,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137625055] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:02,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405052917]
[2023-11-19 07:40:02,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:02,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:02,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:02,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:02,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 07:40:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:02,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-11-19 07:40:02,377 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:02,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24
[2023-11-19 07:40:02,616 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size
[2023-11-19 07:40:02,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24
[2023-11-19 07:40:02,650 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:02,652 INFO L378 Elim1Store]: Elim1 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 26 treesize of output 19
[2023-11-19 07:40:02,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13
[2023-11-19 07:40:02,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2023-11-19 07:40:02,703 INFO L378 Elim1Store]: Elim1 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 28 treesize of output 27
[2023-11-19 07:40:02,718 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:40:02,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42
[2023-11-19 07:40:02,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:40:02,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57
[2023-11-19 07:40:02,765 INFO L378 Elim1Store]: Elim1 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 56 treesize of output 45
[2023-11-19 07:40:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:40:02,775 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:40:02,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405052917] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:02,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:40:02,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 12
[2023-11-19 07:40:02,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610871048]
[2023-11-19 07:40:02,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:02,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-19 07:40:02,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:02,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-19 07:40:02,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:40:03,366 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 317
[2023-11-19 07:40:03,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 284 transitions, 2997 flow. Second operand has 10 states, 10 states have (on average 168.5) internal successors, (1685), 10 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:03,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:03,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 317
[2023-11-19 07:40:03,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:04,337 INFO L124 PetriNetUnfolderBase]: 787/2155 cut-off events.
[2023-11-19 07:40:04,337 INFO L125 PetriNetUnfolderBase]: For 10041/10087 co-relation queries the response was YES.
[2023-11-19 07:40:04,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9488 conditions, 2155 events. 787/2155 cut-off events. For 10041/10087 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 15581 event pairs, 144 based on Foata normal form. 25/2077 useless extension candidates. Maximal degree in co-relation 9444. Up to 435 conditions per place.
[2023-11-19 07:40:04,355 INFO L140 encePairwiseOnDemand]: 308/317 looper letters, 131 selfloop transitions, 26 changer transitions 182/405 dead transitions.
[2023-11-19 07:40:04,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 405 transitions, 4671 flow
[2023-11-19 07:40:04,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:40:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-19 07:40:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1636 transitions.
[2023-11-19 07:40:04,362 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5734314756396776
[2023-11-19 07:40:04,362 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1636 transitions.
[2023-11-19 07:40:04,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1636 transitions.
[2023-11-19 07:40:04,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:04,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1636 transitions.
[2023-11-19 07:40:04,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 181.77777777777777) internal successors, (1636), 9 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:04,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 317.0) internal successors, (3170), 10 states have internal predecessors, (3170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:04,375 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 317.0) internal successors, (3170), 10 states have internal predecessors, (3170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:04,375 INFO L175 Difference]: Start difference. First operand has 162 places, 284 transitions, 2997 flow. Second operand 9 states and 1636 transitions.
[2023-11-19 07:40:04,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 405 transitions, 4671 flow
[2023-11-19 07:40:04,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 405 transitions, 4466 flow, removed 31 selfloop flow, removed 4 redundant places.
[2023-11-19 07:40:04,468 INFO L231 Difference]: Finished difference. Result has 165 places, 194 transitions, 1687 flow
[2023-11-19 07:40:04,469 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=2825, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1687, PETRI_PLACES=165, PETRI_TRANSITIONS=194}
[2023-11-19 07:40:04,469 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 76 predicate places.
[2023-11-19 07:40:04,470 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 194 transitions, 1687 flow
[2023-11-19 07:40:04,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 168.5) internal successors, (1685), 10 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:04,470 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:04,471 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]
[2023-11-19 07:40:04,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:04,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2023-11-19 07:40:04,684 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:40:04,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:04,684 INFO L85 PathProgramCache]: Analyzing trace with hash 255394818, now seen corresponding path program 3 times
[2023-11-19 07:40:04,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:04,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955084208]
[2023-11-19 07:40:04,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:05,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:05,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955084208]
[2023-11-19 07:40:05,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955084208] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:05,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112645086]
[2023-11-19 07:40:05,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-19 07:40:05,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:05,600 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:05,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-19 07:40:05,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-11-19 07:40:05,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:40:05,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-11-19 07:40:05,843 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:05,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24
[2023-11-19 07:40:06,069 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size
[2023-11-19 07:40:06,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24
[2023-11-19 07:40:06,105 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:06,106 INFO L378 Elim1Store]: Elim1 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 26 treesize of output 19
[2023-11-19 07:40:06,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2023-11-19 07:40:06,175 INFO L378 Elim1Store]: Elim1 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 28 treesize of output 27
[2023-11-19 07:40:06,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13
[2023-11-19 07:40:06,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:40:06,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42
[2023-11-19 07:40:06,345 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:06,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35
[2023-11-19 07:40:06,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:40:06,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57
[2023-11-19 07:40:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:06,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:40:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:06,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:40:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:06,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:40:06,555 INFO L378 Elim1Store]: Elim1 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 56 treesize of output 45
[2023-11-19 07:40:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:40:06,565 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:40:06,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112645086] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:06,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:40:06,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17
[2023-11-19 07:40:06,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453698960]
[2023-11-19 07:40:06,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:06,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-19 07:40:06,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:06,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-19 07:40:06,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342
[2023-11-19 07:40:07,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 317
[2023-11-19 07:40:07,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 194 transitions, 1687 flow. Second operand has 11 states, 11 states have (on average 157.0) internal successors, (1727), 11 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:07,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:07,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 317
[2023-11-19 07:40:07,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:08,388 INFO L124 PetriNetUnfolderBase]: 722/1881 cut-off events.
[2023-11-19 07:40:08,389 INFO L125 PetriNetUnfolderBase]: For 6005/6021 co-relation queries the response was YES.
[2023-11-19 07:40:08,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7741 conditions, 1881 events. 722/1881 cut-off events. For 6005/6021 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 12428 event pairs, 161 based on Foata normal form. 19/1803 useless extension candidates. Maximal degree in co-relation 7697. Up to 449 conditions per place.
[2023-11-19 07:40:08,408 INFO L140 encePairwiseOnDemand]: 305/317 looper letters, 219 selfloop transitions, 52 changer transitions 41/338 dead transitions.
[2023-11-19 07:40:08,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 338 transitions, 3403 flow
[2023-11-19 07:40:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-11-19 07:40:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2023-11-19 07:40:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2164 transitions.
[2023-11-19 07:40:08,419 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5251152632856103
[2023-11-19 07:40:08,419 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2164 transitions.
[2023-11-19 07:40:08,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2164 transitions.
[2023-11-19 07:40:08,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:08,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2164 transitions.
[2023-11-19 07:40:08,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 166.46153846153845) internal successors, (2164), 13 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:08,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 317.0) internal successors, (4438), 14 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:08,432 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 317.0) internal successors, (4438), 14 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:08,433 INFO L175 Difference]: Start difference. First operand has 165 places, 194 transitions, 1687 flow. Second operand 13 states and 2164 transitions.
[2023-11-19 07:40:08,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 338 transitions, 3403 flow
[2023-11-19 07:40:08,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 338 transitions, 2991 flow, removed 109 selfloop flow, removed 18 redundant places.
[2023-11-19 07:40:08,498 INFO L231 Difference]: Finished difference. Result has 160 places, 204 transitions, 1758 flow
[2023-11-19 07:40:08,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1432, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1758, PETRI_PLACES=160, PETRI_TRANSITIONS=204}
[2023-11-19 07:40:08,499 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 71 predicate places.
[2023-11-19 07:40:08,499 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 204 transitions, 1758 flow
[2023-11-19 07:40:08,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 157.0) internal successors, (1727), 11 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:08,500 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:08,500 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]
[2023-11-19 07:40:08,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:08,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:08,716 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:40:08,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:08,716 INFO L85 PathProgramCache]: Analyzing trace with hash 162249516, now seen corresponding path program 4 times
[2023-11-19 07:40:08,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:08,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024233003]
[2023-11-19 07:40:08,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:08,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:09,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:09,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024233003]
[2023-11-19 07:40:09,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024233003] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:09,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451256465]
[2023-11-19 07:40:09,582 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-11-19 07:40:09,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:09,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:09,584 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:09,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-19 07:40:10,005 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-11-19 07:40:10,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:40:10,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 31 conjunts are in the unsatisfiable core
[2023-11-19 07:40:10,011 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:10,029 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:10,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24
[2023-11-19 07:40:10,258 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size
[2023-11-19 07:40:10,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33
[2023-11-19 07:40:10,291 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:10,292 INFO L378 Elim1Store]: Elim1 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 26 treesize of output 19
[2023-11-19 07:40:10,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2023-11-19 07:40:10,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13
[2023-11-19 07:40:10,397 INFO L378 Elim1Store]: Elim1 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 28 treesize of output 27
[2023-11-19 07:40:10,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:40:10,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42
[2023-11-19 07:40:10,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:40:10,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57
[2023-11-19 07:40:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:10,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:40:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:10,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:40:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:10,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:40:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:40:10,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45
[2023-11-19 07:40:10,717 INFO L378 Elim1Store]: Elim1 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 56 treesize of output 45
[2023-11-19 07:40:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:40:10,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:40:10,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451256465] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:10,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:40:10,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17
[2023-11-19 07:40:10,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839924831]
[2023-11-19 07:40:10,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:10,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-19 07:40:10,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:10,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-19 07:40:10,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342
[2023-11-19 07:40:11,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 317
[2023-11-19 07:40:11,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 204 transitions, 1758 flow. Second operand has 11 states, 11 states have (on average 157.0) internal successors, (1727), 11 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:11,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:11,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 317
[2023-11-19 07:40:11,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:12,290 INFO L124 PetriNetUnfolderBase]: 690/1783 cut-off events.
[2023-11-19 07:40:12,290 INFO L125 PetriNetUnfolderBase]: For 4748/4753 co-relation queries the response was YES.
[2023-11-19 07:40:12,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6947 conditions, 1783 events. 690/1783 cut-off events. For 4748/4753 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 11493 event pairs, 160 based on Foata normal form. 15/1699 useless extension candidates. Maximal degree in co-relation 6907. Up to 449 conditions per place.
[2023-11-19 07:40:12,303 INFO L140 encePairwiseOnDemand]: 306/317 looper letters, 135 selfloop transitions, 21 changer transitions 123/300 dead transitions.
[2023-11-19 07:40:12,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 300 transitions, 2853 flow
[2023-11-19 07:40:12,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-19 07:40:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2023-11-19 07:40:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1984 transitions.
[2023-11-19 07:40:12,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5215562565720294
[2023-11-19 07:40:12,308 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1984 transitions.
[2023-11-19 07:40:12,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1984 transitions.
[2023-11-19 07:40:12,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:12,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1984 transitions.
[2023-11-19 07:40:12,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 165.33333333333334) internal successors, (1984), 12 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:12,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 317.0) internal successors, (4121), 13 states have internal predecessors, (4121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:12,321 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 317.0) internal successors, (4121), 13 states have internal predecessors, (4121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:12,321 INFO L175 Difference]: Start difference. First operand has 160 places, 204 transitions, 1758 flow. Second operand 12 states and 1984 transitions.
[2023-11-19 07:40:12,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 300 transitions, 2853 flow
[2023-11-19 07:40:12,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 300 transitions, 2723 flow, removed 15 selfloop flow, removed 10 redundant places.
[2023-11-19 07:40:12,373 INFO L231 Difference]: Finished difference. Result has 162 places, 126 transitions, 910 flow
[2023-11-19 07:40:12,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1625, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=910, PETRI_PLACES=162, PETRI_TRANSITIONS=126}
[2023-11-19 07:40:12,374 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 73 predicate places.
[2023-11-19 07:40:12,374 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 126 transitions, 910 flow
[2023-11-19 07:40:12,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 157.0) internal successors, (1727), 11 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:12,375 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:12,375 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:12,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:12,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:12,592 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:40:12,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:12,592 INFO L85 PathProgramCache]: Analyzing trace with hash 2135229637, now seen corresponding path program 1 times
[2023-11-19 07:40:12,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:12,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351880291]
[2023-11-19 07:40:12,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:12,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:12,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:12,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351880291]
[2023-11-19 07:40:12,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351880291] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:12,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810227874]
[2023-11-19 07:40:12,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:12,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:12,870 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:12,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-19 07:40:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:13,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-11-19 07:40:13,042 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:13,128 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:40:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:40:13,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810227874] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:40:13,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:40:13,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13
[2023-11-19 07:40:13,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602232068]
[2023-11-19 07:40:13,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:40:13,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-19 07:40:13,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:13,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-19 07:40:13,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:40:13,578 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 317
[2023-11-19 07:40:13,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 126 transitions, 910 flow. Second operand has 14 states, 14 states have (on average 174.78571428571428) internal successors, (2447), 14 states have internal predecessors, (2447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:13,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:40:13,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 317
[2023-11-19 07:40:13,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:40:14,065 INFO L124 PetriNetUnfolderBase]: 313/986 cut-off events.
[2023-11-19 07:40:14,065 INFO L125 PetriNetUnfolderBase]: For 2215/2215 co-relation queries the response was YES.
[2023-11-19 07:40:14,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3360 conditions, 986 events. 313/986 cut-off events. For 2215/2215 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 5796 event pairs, 54 based on Foata normal form. 5/955 useless extension candidates. Maximal degree in co-relation 3319. Up to 200 conditions per place.
[2023-11-19 07:40:14,073 INFO L140 encePairwiseOnDemand]: 301/317 looper letters, 101 selfloop transitions, 21 changer transitions 3/194 dead transitions.
[2023-11-19 07:40:14,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 194 transitions, 1473 flow
[2023-11-19 07:40:14,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2023-11-19 07:40:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2023-11-19 07:40:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2683 transitions.
[2023-11-19 07:40:14,078 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.564248159831756
[2023-11-19 07:40:14,079 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2683 transitions.
[2023-11-19 07:40:14,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2683 transitions.
[2023-11-19 07:40:14,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:40:14,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2683 transitions.
[2023-11-19 07:40:14,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 178.86666666666667) internal successors, (2683), 15 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:14,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 317.0) internal successors, (5072), 16 states have internal predecessors, (5072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:14,092 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 317.0) internal successors, (5072), 16 states have internal predecessors, (5072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:14,092 INFO L175 Difference]: Start difference. First operand has 162 places, 126 transitions, 910 flow. Second operand 15 states and 2683 transitions.
[2023-11-19 07:40:14,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 194 transitions, 1473 flow
[2023-11-19 07:40:14,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 194 transitions, 1228 flow, removed 22 selfloop flow, removed 23 redundant places.
[2023-11-19 07:40:14,111 INFO L231 Difference]: Finished difference. Result has 135 places, 138 transitions, 853 flow
[2023-11-19 07:40:14,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=853, PETRI_PLACES=135, PETRI_TRANSITIONS=138}
[2023-11-19 07:40:14,112 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 46 predicate places.
[2023-11-19 07:40:14,112 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 138 transitions, 853 flow
[2023-11-19 07:40:14,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 174.78571428571428) internal successors, (2447), 14 states have internal predecessors, (2447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:40:14,113 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:40:14,113 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:14,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2023-11-19 07:40:14,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08f9842-380a-46a6-b1cb-f0eeee1db38a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2023-11-19 07:40:14,334 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2023-11-19 07:40:14,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:14,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1850552377, now seen corresponding path program 1 times
[2023-11-19 07:40:14,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:14,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261927125]
[2023-11-19 07:40:14,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:14,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:40:14,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:40:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:40:14,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:40:14,438 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:40:14,439 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining)
[2023-11-19 07:40:14,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining)
[2023-11-19 07:40:14,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining)
[2023-11-19 07:40:14,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining)
[2023-11-19 07:40:14,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining)
[2023-11-19 07:40:14,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining)
[2023-11-19 07:40:14,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining)
[2023-11-19 07:40:14,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining)
[2023-11-19 07:40:14,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining)
[2023-11-19 07:40:14,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining)
[2023-11-19 07:40:14,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining)
[2023-11-19 07:40:14,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining)
[2023-11-19 07:40:14,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining)
[2023-11-19 07:40:14,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining)
[2023-11-19 07:40:14,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining)
[2023-11-19 07:40:14,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining)
[2023-11-19 07:40:14,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining)
[2023-11-19 07:40:14,444 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining)
[2023-11-19 07:40:14,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2023-11-19 07:40:14,445 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:14,447 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-11-19 07:40:14,448 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-11-19 07:40:14,479 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-19 07:40:14,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 246 transitions, 508 flow
[2023-11-19 07:40:14,546 INFO L124 PetriNetUnfolderBase]: 27/477 cut-off events.
[2023-11-19 07:40:14,546 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2023-11-19 07:40:14,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 477 events. 27/477 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1208 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 286. Up to 9 conditions per place.
[2023-11-19 07:40:14,549 INFO L82 GeneralOperation]: Start removeDead. Operand has 236 places, 246 transitions, 508 flow
[2023-11-19 07:40:14,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 236 places, 246 transitions, 508 flow
[2023-11-19 07:40:14,552 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:40:14,552 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 246 transitions, 508 flow
[2023-11-19 07:40:14,553 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 236 places, 246 transitions, 508 flow
[2023-11-19 07:40:14,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 246 transitions, 508 flow
[2023-11-19 07:40:14,613 INFO L124 PetriNetUnfolderBase]: 27/477 cut-off events.
[2023-11-19 07:40:14,613 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2023-11-19 07:40:14,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 477 events. 27/477 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1208 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 286. Up to 9 conditions per place.
[2023-11-19 07:40:14,636 INFO L119 LiptonReduction]: Number of co-enabled transitions 24096