./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/floating_read-5.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 2329fc70
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_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/floating_read-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f28efd84e1dbcbcea7683bca483f8f3b9fbdd333eb36f517b9f12d5bccb885d
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 12:05:55,741 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 12:05:55,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 12:05:55,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 12:05:55,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 12:05:55,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 12:05:55,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 12:05:55,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 12:05:55,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 12:05:55,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 12:05:55,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 12:05:55,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 12:05:55,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 12:05:55,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 12:05:55,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 12:05:55,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 12:05:55,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 12:05:55,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 12:05:55,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 12:05:55,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 12:05:55,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 12:05:55,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 12:05:55,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 12:05:55,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 12:05:55,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 12:05:55,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 12:05:55,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 12:05:55,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 12:05:55,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 12:05:55,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 12:05:55,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 12:05:55,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 12:05:55,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 12:05:55,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 12:05:55,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 12:05:55,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 12:05:55,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 12:05:55,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 12:05:55,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 12:05:55,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 12:05:55,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 12:05:55,782 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-12-13 12:05:55,797 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 12:05:55,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 12:05:55,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 12:05:55,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 12:05:55,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 12:05:55,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 12:05:55,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 12:05:55,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 12:05:55,798 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 12:05:55,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 12:05:55,799 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 12:05:55,799 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-12-13 12:05:55,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 12:05:55,799 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 12:05:55,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 12:05:55,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 12:05:55,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 12:05:55,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 12:05:55,800 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2022-12-13 12:05:55,800 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 12:05:55,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-12-13 12:05:55,800 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 12:05:55,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-12-13 12:05:55,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 12:05:55,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 12:05:55,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 12:05:55,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 12:05:55,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 12:05:55,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 12:05:55,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 12:05:55,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-12-13 12:05:55,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 12:05:55,801 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-13 12:05:55,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 12:05:55,801 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-12-13 12:05:55,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 12:05:55,802 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-12-13 12:05:55,802 INFO L138 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_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f28efd84e1dbcbcea7683bca483f8f3b9fbdd333eb36f517b9f12d5bccb885d
[2022-12-13 12:05:55,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 12:05:56,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 12:05:56,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 12:05:56,018 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 12:05:56,018 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 12:05:56,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-deagle/floating_read-5.i
[2022-12-13 12:05:58,495 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 12:05:58,695 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 12:05:58,695 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/sv-benchmarks/c/pthread-deagle/floating_read-5.i
[2022-12-13 12:05:58,705 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/data/1706e1061/e31e98a90c36487798783856863cadb9/FLAG995bfee80
[2022-12-13 12:05:58,715 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/data/1706e1061/e31e98a90c36487798783856863cadb9
[2022-12-13 12:05:58,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 12:05:58,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 12:05:58,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 12:05:58,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 12:05:58,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 12:05:58,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:05:58" (1/1) ...
[2022-12-13 12:05:58,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a075c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58, skipping insertion in model container
[2022-12-13 12:05:58,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:05:58" (1/1) ...
[2022-12-13 12:05:58,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 12:05:58,754 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 12:05:58,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 12:05:58,951 WARN L1576 CHandler]: Possible shadowing of function thread
[2022-12-13 12:05:58,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 12:05:58,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 12:05:58,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 12:05:58,962 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/sv-benchmarks/c/pthread-deagle/floating_read-5.i[31193,31206]
[2022-12-13 12:05:58,964 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 12:05:58,970 INFO L203 MainTranslator]: Completed pre-run
[2022-12-13 12:05:58,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 12:05:58,994 WARN L1576 CHandler]: Possible shadowing of function thread
[2022-12-13 12:05:58,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 12:05:58,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 12:05:58,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 12:05:58,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/sv-benchmarks/c/pthread-deagle/floating_read-5.i[31193,31206]
[2022-12-13 12:05:58,999 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 12:05:59,017 INFO L208 MainTranslator]: Completed translation
[2022-12-13 12:05:59,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59 WrapperNode
[2022-12-13 12:05:59,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 12:05:59,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 12:05:59,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 12:05:59,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 12:05:59,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,046 INFO L138 Inliner]: procedures = 162, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63
[2022-12-13 12:05:59,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 12:05:59,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 12:05:59,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 12:05:59,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 12:05:59,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,063 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 12:05:59,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 12:05:59,066 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 12:05:59,066 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-12-13 12:05:59,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (1/1) ...
[2022-12-13 12:05:59,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 12:05:59,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:05:59,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 12:05:59,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 12:05:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread
[2022-12-13 12:05:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-12-13 12:05:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 12:05:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 12:05:59,127 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-12-13 12:05:59,220 INFO L235 CfgBuilder]: Building ICFG
[2022-12-13 12:05:59,222 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 12:05:59,351 INFO L276 CfgBuilder]: Performing block encoding
[2022-12-13 12:05:59,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 12:05:59,374 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-12-13 12:05:59,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:05:59 BoogieIcfgContainer
[2022-12-13 12:05:59,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 12:05:59,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 12:05:59,380 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 12:05:59,382 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-12-13 12:05:59,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:05:58" (1/3) ...
[2022-12-13 12:05:59,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4706e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:05:59, skipping insertion in model container
[2022-12-13 12:05:59,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:59" (2/3) ...
[2022-12-13 12:05:59,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4706e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:05:59, skipping insertion in model container
[2022-12-13 12:05:59,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:05:59" (3/3) ...
[2022-12-13 12:05:59,386 INFO L112 eAbstractionObserver]: Analyzing ICFG floating_read-5.i
[2022-12-13 12:05:59,398 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-12-13 12:05:59,405 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 12:05:59,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-12-13 12:05:59,405 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-12-13 12:05:59,445 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-12-13 12:05:59,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 69 transitions, 146 flow
[2022-12-13 12:05:59,517 INFO L130 PetriNetUnfolder]: 7/99 cut-off events.
[2022-12-13 12:05:59,518 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-12-13 12:05:59,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 99 events. 7/99 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 159 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 51. Up to 4 conditions per place.
[2022-12-13 12:05:59,521 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 69 transitions, 146 flow
[2022-12-13 12:05:59,524 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 69 transitions, 146 flow
[2022-12-13 12:05:59,527 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2022-12-13 12:05:59,536 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 69 transitions, 146 flow
[2022-12-13 12:05:59,538 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 69 transitions, 146 flow
[2022-12-13 12:05:59,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 69 transitions, 146 flow
[2022-12-13 12:05:59,557 INFO L130 PetriNetUnfolder]: 7/99 cut-off events.
[2022-12-13 12:05:59,557 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-12-13 12:05:59,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 99 events. 7/99 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 159 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 51. Up to 4 conditions per place.
[2022-12-13 12:05:59,558 INFO L119 LiptonReduction]: Number of co-enabled transitions 432
[2022-12-13 12:06:00,875 INFO L134 LiptonReduction]: Checked pairs total: 599
[2022-12-13 12:06:00,876 INFO L136 LiptonReduction]: Total number of compositions: 64
[2022-12-13 12:06:00,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 12:06:00,895 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78df3b96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 12:06:00,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2022-12-13 12:06:00,896 INFO L130 PetriNetUnfolder]: 0/0 cut-off events.
[2022-12-13 12:06:00,896 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:06:00,896 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:00,897 INFO L209 CegarLoopForPetriNet]: trace histogram [1]
[2022-12-13 12:06:00,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2022-12-13 12:06:00,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:00,901 INFO L85 PathProgramCache]: Analyzing trace with hash 281, now seen corresponding path program 1 times
[2022-12-13 12:06:00,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:00,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218954443]
[2022-12-13 12:06:00,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:00,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:00,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:00,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218954443]
[2022-12-13 12:06:00,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218954443] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:00,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:00,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2022-12-13 12:06:00,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174621931]
[2022-12-13 12:06:00,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:00,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 12:06:00,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:01,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 12:06:01,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 12:06:01,006 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 133
[2022-12-13 12:06:01,007 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 18 transitions, 44 flow. Second operand has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,007 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:01,007 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 133
[2022-12-13 12:06:01,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:01,036 INFO L130 PetriNetUnfolder]: 7/36 cut-off events.
[2022-12-13 12:06:01,036 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-12-13 12:06:01,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 36 events. 7/36 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 90 event pairs, 6 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 42. Up to 29 conditions per place.
[2022-12-13 12:06:01,037 INFO L137 encePairwiseOnDemand]: 129/133 looper letters, 6 selfloop transitions, 0 changer transitions 5/14 dead transitions.
[2022-12-13 12:06:01,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 14 transitions, 58 flow
[2022-12-13 12:06:01,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 12:06:01,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2022-12-13 12:06:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 133 transitions.
[2022-12-13 12:06:01,047 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5
[2022-12-13 12:06:01,047 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 133 transitions.
[2022-12-13 12:06:01,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 133 transitions.
[2022-12-13 12:06:01,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:01,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 133 transitions.
[2022-12-13 12:06:01,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 66.5) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,057 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,059 INFO L175 Difference]: Start difference. First operand has 19 places, 18 transitions, 44 flow. Second operand 2 states and 133 transitions.
[2022-12-13 12:06:01,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 14 transitions, 58 flow
[2022-12-13 12:06:01,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 14 transitions, 58 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:01,063 INFO L231 Difference]: Finished difference. Result has 17 places, 9 transitions, 23 flow
[2022-12-13 12:06:01,065 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=23, PETRI_PLACES=17, PETRI_TRANSITIONS=9}
[2022-12-13 12:06:01,068 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, -2 predicate places.
[2022-12-13 12:06:01,068 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 9 transitions, 23 flow
[2022-12-13 12:06:01,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,068 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:01,068 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-12-13 12:06:01,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-13 12:06:01,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2022-12-13 12:06:01,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:01,070 INFO L85 PathProgramCache]: Analyzing trace with hash 277862, now seen corresponding path program 1 times
[2022-12-13 12:06:01,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:01,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426465112]
[2022-12-13 12:06:01,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:01,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:01,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:01,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426465112]
[2022-12-13 12:06:01,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426465112] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:01,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:01,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 12:06:01,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375512767]
[2022-12-13 12:06:01,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:01,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:01,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:01,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:01,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:06:01,168 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 133
[2022-12-13 12:06:01,168 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 9 transitions, 23 flow. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,169 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:01,169 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 133
[2022-12-13 12:06:01,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:01,181 INFO L130 PetriNetUnfolder]: 3/19 cut-off events.
[2022-12-13 12:06:01,182 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:06:01,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 19 events. 3/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 35 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 36. Up to 10 conditions per place.
[2022-12-13 12:06:01,182 INFO L137 encePairwiseOnDemand]: 130/133 looper letters, 6 selfloop transitions, 2 changer transitions 0/11 dead transitions.
[2022-12-13 12:06:01,182 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 11 transitions, 43 flow
[2022-12-13 12:06:01,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:01,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions.
[2022-12-13 12:06:01,185 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43609022556390975
[2022-12-13 12:06:01,185 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 174 transitions.
[2022-12-13 12:06:01,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 174 transitions.
[2022-12-13 12:06:01,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:01,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 174 transitions.
[2022-12-13 12:06:01,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,188 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,188 INFO L175 Difference]: Start difference. First operand has 17 places, 9 transitions, 23 flow. Second operand 3 states and 174 transitions.
[2022-12-13 12:06:01,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 11 transitions, 43 flow
[2022-12-13 12:06:01,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 43 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:01,189 INFO L231 Difference]: Finished difference. Result has 16 places, 9 transitions, 31 flow
[2022-12-13 12:06:01,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=23, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=31, PETRI_PLACES=16, PETRI_TRANSITIONS=9}
[2022-12-13 12:06:01,190 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, -3 predicate places.
[2022-12-13 12:06:01,190 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 9 transitions, 31 flow
[2022-12-13 12:06:01,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,190 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:01,190 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:01,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-12-13 12:06:01,191 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2022-12-13 12:06:01,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:01,191 INFO L85 PathProgramCache]: Analyzing trace with hash -290010982, now seen corresponding path program 1 times
[2022-12-13 12:06:01,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:01,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8123045]
[2022-12-13 12:06:01,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:01,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:01,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:01,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8123045]
[2022-12-13 12:06:01,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8123045] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:01,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154740930]
[2022-12-13 12:06:01,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:01,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:01,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:01,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:01,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-12-13 12:06:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:01,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:01,299 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 12:06:01,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 12:06:01,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154740930] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:01,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 12:06:01,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5
[2022-12-13 12:06:01,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415006736]
[2022-12-13 12:06:01,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:01,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:01,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:01,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:01,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-12-13 12:06:01,312 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 133
[2022-12-13 12:06:01,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 9 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:01,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 133
[2022-12-13 12:06:01,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:01,325 INFO L130 PetriNetUnfolder]: 3/19 cut-off events.
[2022-12-13 12:06:01,325 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-12-13 12:06:01,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 19 events. 3/19 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 32 event pairs, 2 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 47. Up to 14 conditions per place.
[2022-12-13 12:06:01,325 INFO L137 encePairwiseOnDemand]: 129/133 looper letters, 6 selfloop transitions, 2 changer transitions 2/11 dead transitions.
[2022-12-13 12:06:01,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 11 transitions, 55 flow
[2022-12-13 12:06:01,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions.
[2022-12-13 12:06:01,326 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44862155388471175
[2022-12-13 12:06:01,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 179 transitions.
[2022-12-13 12:06:01,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 179 transitions.
[2022-12-13 12:06:01,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:01,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 179 transitions.
[2022-12-13 12:06:01,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,328 INFO L175 Difference]: Start difference. First operand has 16 places, 9 transitions, 31 flow. Second operand 3 states and 179 transitions.
[2022-12-13 12:06:01,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 11 transitions, 55 flow
[2022-12-13 12:06:01,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 11 transitions, 51 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-12-13 12:06:01,329 INFO L231 Difference]: Finished difference. Result has 17 places, 9 transitions, 37 flow
[2022-12-13 12:06:01,329 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=17, PETRI_TRANSITIONS=9}
[2022-12-13 12:06:01,329 INFO L288 CegarLoopForPetriNet]: 19 programPoint places, -2 predicate places.
[2022-12-13 12:06:01,329 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 9 transitions, 37 flow
[2022-12-13 12:06:01,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:01,330 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:01,330 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2022-12-13 12:06:01,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-12-13 12:06:01,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:01,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2022-12-13 12:06:01,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash -290010248, now seen corresponding path program 1 times
[2022-12-13 12:06:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:01,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802608256]
[2022-12-13 12:06:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:01,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-12-13 12:06:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:01,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-12-13 12:06:01,587 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2022-12-13 12:06:01,587 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining)
[2022-12-13 12:06:01,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining)
[2022-12-13 12:06:01,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining)
[2022-12-13 12:06:01,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining)
[2022-12-13 12:06:01,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining)
[2022-12-13 12:06:01,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining)
[2022-12-13 12:06:01,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-12-13 12:06:01,590 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-12-13 12:06:01,591 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2022-12-13 12:06:01,591 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2022-12-13 12:06:01,600 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-12-13 12:06:01,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 77 transitions, 172 flow
[2022-12-13 12:06:01,619 INFO L130 PetriNetUnfolder]: 13/168 cut-off events.
[2022-12-13 12:06:01,619 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2022-12-13 12:06:01,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 168 events. 13/168 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 337 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 101. Up to 8 conditions per place.
[2022-12-13 12:06:01,619 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 77 transitions, 172 flow
[2022-12-13 12:06:01,620 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 77 transitions, 172 flow
[2022-12-13 12:06:01,620 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2022-12-13 12:06:01,620 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 77 transitions, 172 flow
[2022-12-13 12:06:01,620 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 77 transitions, 172 flow
[2022-12-13 12:06:01,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 77 transitions, 172 flow
[2022-12-13 12:06:01,635 INFO L130 PetriNetUnfolder]: 13/168 cut-off events.
[2022-12-13 12:06:01,635 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2022-12-13 12:06:01,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 168 events. 13/168 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 337 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 101. Up to 8 conditions per place.
[2022-12-13 12:06:01,636 INFO L119 LiptonReduction]: Number of co-enabled transitions 1068
[2022-12-13 12:06:02,980 INFO L134 LiptonReduction]: Checked pairs total: 1695
[2022-12-13 12:06:02,980 INFO L136 LiptonReduction]: Total number of compositions: 68
[2022-12-13 12:06:02,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 12:06:02,983 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78df3b96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 12:06:02,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2022-12-13 12:06:02,984 INFO L130 PetriNetUnfolder]: 0/0 cut-off events.
[2022-12-13 12:06:02,984 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:06:02,984 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:02,984 INFO L209 CegarLoopForPetriNet]: trace histogram [1]
[2022-12-13 12:06:02,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-12-13 12:06:02,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:02,985 INFO L85 PathProgramCache]: Analyzing trace with hash 434, now seen corresponding path program 1 times
[2022-12-13 12:06:02,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:02,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380995583]
[2022-12-13 12:06:02,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:02,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:02,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:02,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380995583]
[2022-12-13 12:06:02,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380995583] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:02,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:02,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2022-12-13 12:06:02,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726098339]
[2022-12-13 12:06:02,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:02,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 12:06:02,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 12:06:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 12:06:02,992 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 145
[2022-12-13 12:06:02,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 24 transitions, 66 flow. Second operand has 2 states, 2 states have (on average 63.5) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:02,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:02,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 145
[2022-12-13 12:06:02,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:03,022 INFO L130 PetriNetUnfolder]: 41/118 cut-off events.
[2022-12-13 12:06:03,022 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES.
[2022-12-13 12:06:03,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 118 events. 41/118 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 341 event pairs, 37 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 77. Up to 101 conditions per place.
[2022-12-13 12:06:03,023 INFO L137 encePairwiseOnDemand]: 140/145 looper letters, 8 selfloop transitions, 0 changer transitions 7/19 dead transitions.
[2022-12-13 12:06:03,023 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 84 flow
[2022-12-13 12:06:03,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 12:06:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2022-12-13 12:06:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 145 transitions.
[2022-12-13 12:06:03,024 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5
[2022-12-13 12:06:03,025 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 145 transitions.
[2022-12-13 12:06:03,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 145 transitions.
[2022-12-13 12:06:03,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:03,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 145 transitions.
[2022-12-13 12:06:03,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 72.5) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,026 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,026 INFO L175 Difference]: Start difference. First operand has 26 places, 24 transitions, 66 flow. Second operand 2 states and 145 transitions.
[2022-12-13 12:06:03,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 84 flow
[2022-12-13 12:06:03,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 84 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:03,027 INFO L231 Difference]: Finished difference. Result has 23 places, 12 transitions, 36 flow
[2022-12-13 12:06:03,027 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=36, PETRI_PLACES=23, PETRI_TRANSITIONS=12}
[2022-12-13 12:06:03,027 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, -3 predicate places.
[2022-12-13 12:06:03,027 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 12 transitions, 36 flow
[2022-12-13 12:06:03,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.5) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,028 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:03,028 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-12-13 12:06:03,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-12-13 12:06:03,028 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-12-13 12:06:03,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:03,028 INFO L85 PathProgramCache]: Analyzing trace with hash 429655, now seen corresponding path program 1 times
[2022-12-13 12:06:03,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:03,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481045597]
[2022-12-13 12:06:03,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:03,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:03,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:03,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481045597]
[2022-12-13 12:06:03,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481045597] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:03,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:03,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 12:06:03,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589391714]
[2022-12-13 12:06:03,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:03,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:03,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:03,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:03,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:06:03,060 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 145
[2022-12-13 12:06:03,061 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 12 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,061 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:03,061 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 145
[2022-12-13 12:06:03,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:03,080 INFO L130 PetriNetUnfolder]: 17/56 cut-off events.
[2022-12-13 12:06:03,080 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2022-12-13 12:06:03,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 56 events. 17/56 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 150 event pairs, 6 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 111. Up to 40 conditions per place.
[2022-12-13 12:06:03,080 INFO L137 encePairwiseOnDemand]: 142/145 looper letters, 9 selfloop transitions, 2 changer transitions 0/15 dead transitions.
[2022-12-13 12:06:03,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 15 transitions, 64 flow
[2022-12-13 12:06:03,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:03,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions.
[2022-12-13 12:06:03,082 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43448275862068964
[2022-12-13 12:06:03,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 189 transitions.
[2022-12-13 12:06:03,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 189 transitions.
[2022-12-13 12:06:03,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:03,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 189 transitions.
[2022-12-13 12:06:03,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,084 INFO L175 Difference]: Start difference. First operand has 23 places, 12 transitions, 36 flow. Second operand 3 states and 189 transitions.
[2022-12-13 12:06:03,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 15 transitions, 64 flow
[2022-12-13 12:06:03,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 15 transitions, 62 flow, removed 1 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:03,084 INFO L231 Difference]: Finished difference. Result has 21 places, 13 transitions, 46 flow
[2022-12-13 12:06:03,084 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=21, PETRI_TRANSITIONS=13}
[2022-12-13 12:06:03,085 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, -5 predicate places.
[2022-12-13 12:06:03,085 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 13 transitions, 46 flow
[2022-12-13 12:06:03,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,085 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:03,085 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:03,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-12-13 12:06:03,086 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-12-13 12:06:03,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:03,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1856535042, now seen corresponding path program 1 times
[2022-12-13 12:06:03,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:03,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402368258]
[2022-12-13 12:06:03,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:03,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:03,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:03,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402368258]
[2022-12-13 12:06:03,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402368258] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:03,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468150698]
[2022-12-13 12:06:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:03,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:03,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:03,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:03,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-12-13 12:06:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:03,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:03,162 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 12:06:03,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 12:06:03,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468150698] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:03,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 12:06:03,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5
[2022-12-13 12:06:03,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740599437]
[2022-12-13 12:06:03,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:03,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:03,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:03,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:03,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-12-13 12:06:03,173 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 145
[2022-12-13 12:06:03,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 13 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:03,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 145
[2022-12-13 12:06:03,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:03,197 INFO L130 PetriNetUnfolder]: 24/73 cut-off events.
[2022-12-13 12:06:03,197 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES.
[2022-12-13 12:06:03,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 73 events. 24/73 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 223 event pairs, 15 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 166. Up to 53 conditions per place.
[2022-12-13 12:06:03,198 INFO L137 encePairwiseOnDemand]: 140/145 looper letters, 9 selfloop transitions, 3 changer transitions 2/16 dead transitions.
[2022-12-13 12:06:03,198 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 16 transitions, 80 flow
[2022-12-13 12:06:03,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions.
[2022-12-13 12:06:03,199 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4459770114942529
[2022-12-13 12:06:03,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 194 transitions.
[2022-12-13 12:06:03,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 194 transitions.
[2022-12-13 12:06:03,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:03,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 194 transitions.
[2022-12-13 12:06:03,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,202 INFO L175 Difference]: Start difference. First operand has 21 places, 13 transitions, 46 flow. Second operand 3 states and 194 transitions.
[2022-12-13 12:06:03,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 16 transitions, 80 flow
[2022-12-13 12:06:03,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 16 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:06:03,203 INFO L231 Difference]: Finished difference. Result has 23 places, 14 transitions, 61 flow
[2022-12-13 12:06:03,203 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=23, PETRI_TRANSITIONS=14}
[2022-12-13 12:06:03,204 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, -3 predicate places.
[2022-12-13 12:06:03,204 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 14 transitions, 61 flow
[2022-12-13 12:06:03,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,204 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:03,205 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:03,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2022-12-13 12:06:03,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:03,406 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-12-13 12:06:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:03,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1718007274, now seen corresponding path program 1 times
[2022-12-13 12:06:03,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:03,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137724891]
[2022-12-13 12:06:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:03,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:03,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:03,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137724891]
[2022-12-13 12:06:03,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137724891] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:03,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623478102]
[2022-12-13 12:06:03,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:03,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:03,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:03,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:03,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-12-13 12:06:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:03,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:03,528 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:03,556 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 12:06:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:03,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623478102] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 12:06:03,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 12:06:03,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2022-12-13 12:06:03,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689736752]
[2022-12-13 12:06:03,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 12:06:03,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 12:06:03,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:03,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 12:06:03,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-12-13 12:06:03,594 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 145
[2022-12-13 12:06:03,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 14 transitions, 61 flow. Second operand has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:03,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 145
[2022-12-13 12:06:03,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:03,620 INFO L130 PetriNetUnfolder]: 12/39 cut-off events.
[2022-12-13 12:06:03,620 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES.
[2022-12-13 12:06:03,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 39 events. 12/39 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 6/45 useless extension candidates. Maximal degree in co-relation 105. Up to 16 conditions per place.
[2022-12-13 12:06:03,621 INFO L137 encePairwiseOnDemand]: 142/145 looper letters, 10 selfloop transitions, 3 changer transitions 0/15 dead transitions.
[2022-12-13 12:06:03,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 15 transitions, 82 flow
[2022-12-13 12:06:03,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-12-13 12:06:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2022-12-13 12:06:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 305 transitions.
[2022-12-13 12:06:03,622 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4206896551724138
[2022-12-13 12:06:03,622 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 305 transitions.
[2022-12-13 12:06:03,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 305 transitions.
[2022-12-13 12:06:03,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:03,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 305 transitions.
[2022-12-13 12:06:03,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,624 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,625 INFO L175 Difference]: Start difference. First operand has 23 places, 14 transitions, 61 flow. Second operand 5 states and 305 transitions.
[2022-12-13 12:06:03,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 15 transitions, 82 flow
[2022-12-13 12:06:03,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 15 transitions, 82 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:03,625 INFO L231 Difference]: Finished difference. Result has 23 places, 10 transitions, 46 flow
[2022-12-13 12:06:03,625 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=46, PETRI_PLACES=23, PETRI_TRANSITIONS=10}
[2022-12-13 12:06:03,626 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, -3 predicate places.
[2022-12-13 12:06:03,626 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 10 transitions, 46 flow
[2022-12-13 12:06:03,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.142857142857146) internal successors, (421), 7 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:03,626 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:03,626 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2022-12-13 12:06:03,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2022-12-13 12:06:03,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2022-12-13 12:06:03,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2022-12-13 12:06:03,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:03,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1667994393, now seen corresponding path program 1 times
[2022-12-13 12:06:03,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:03,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101046764]
[2022-12-13 12:06:03,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:03,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-12-13 12:06:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:03,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-12-13 12:06:03,895 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2022-12-13 12:06:03,896 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining)
[2022-12-13 12:06:03,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2022-12-13 12:06:03,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining)
[2022-12-13 12:06:03,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2022-12-13 12:06:03,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2022-12-13 12:06:03,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2022-12-13 12:06:03,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2022-12-13 12:06:03,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-12-13 12:06:03,900 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-12-13 12:06:03,902 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2022-12-13 12:06:03,902 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2022-12-13 12:06:03,942 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-12-13 12:06:03,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 85 transitions, 200 flow
[2022-12-13 12:06:03,978 INFO L130 PetriNetUnfolder]: 24/282 cut-off events.
[2022-12-13 12:06:03,978 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2022-12-13 12:06:03,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 282 events. 24/282 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 736 event pairs, 1 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 176. Up to 16 conditions per place.
[2022-12-13 12:06:03,979 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 85 transitions, 200 flow
[2022-12-13 12:06:03,980 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 85 transitions, 200 flow
[2022-12-13 12:06:03,980 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2022-12-13 12:06:03,980 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 85 transitions, 200 flow
[2022-12-13 12:06:03,981 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 85 transitions, 200 flow
[2022-12-13 12:06:03,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 85 transitions, 200 flow
[2022-12-13 12:06:03,999 INFO L130 PetriNetUnfolder]: 24/282 cut-off events.
[2022-12-13 12:06:03,999 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2022-12-13 12:06:04,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 282 events. 24/282 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 736 event pairs, 1 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 176. Up to 16 conditions per place.
[2022-12-13 12:06:04,002 INFO L119 LiptonReduction]: Number of co-enabled transitions 1764
[2022-12-13 12:06:05,126 INFO L134 LiptonReduction]: Checked pairs total: 2779
[2022-12-13 12:06:05,126 INFO L136 LiptonReduction]: Total number of compositions: 74
[2022-12-13 12:06:05,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 12:06:05,128 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78df3b96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 12:06:05,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2022-12-13 12:06:05,128 INFO L130 PetriNetUnfolder]: 0/0 cut-off events.
[2022-12-13 12:06:05,128 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:06:05,128 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:05,129 INFO L209 CegarLoopForPetriNet]: trace histogram [1]
[2022-12-13 12:06:05,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-12-13 12:06:05,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:05,129 INFO L85 PathProgramCache]: Analyzing trace with hash 601, now seen corresponding path program 1 times
[2022-12-13 12:06:05,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:05,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504254712]
[2022-12-13 12:06:05,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:05,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:05,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:05,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504254712]
[2022-12-13 12:06:05,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504254712] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:05,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:05,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2022-12-13 12:06:05,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033240443]
[2022-12-13 12:06:05,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:05,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 12:06:05,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:05,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 12:06:05,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 12:06:05,135 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 159
[2022-12-13 12:06:05,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 28 transitions, 86 flow. Second operand has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:05,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 159
[2022-12-13 12:06:05,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:05,178 INFO L130 PetriNetUnfolder]: 172/375 cut-off events.
[2022-12-13 12:06:05,178 INFO L131 PetriNetUnfolder]: For 73/73 co-relation queries the response was YES.
[2022-12-13 12:06:05,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 375 events. 172/375 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1438 event pairs, 159 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 242. Up to 332 conditions per place.
[2022-12-13 12:06:05,180 INFO L137 encePairwiseOnDemand]: 153/159 looper letters, 10 selfloop transitions, 0 changer transitions 8/22 dead transitions.
[2022-12-13 12:06:05,180 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 108 flow
[2022-12-13 12:06:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 12:06:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2022-12-13 12:06:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 157 transitions.
[2022-12-13 12:06:05,181 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4937106918238994
[2022-12-13 12:06:05,181 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 157 transitions.
[2022-12-13 12:06:05,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 157 transitions.
[2022-12-13 12:06:05,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:05,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 157 transitions.
[2022-12-13 12:06:05,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,182 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,182 INFO L175 Difference]: Start difference. First operand has 31 places, 28 transitions, 86 flow. Second operand 2 states and 157 transitions.
[2022-12-13 12:06:05,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 108 flow
[2022-12-13 12:06:05,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 22 transitions, 108 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:05,183 INFO L231 Difference]: Finished difference. Result has 27 places, 14 transitions, 49 flow
[2022-12-13 12:06:05,183 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=49, PETRI_PLACES=27, PETRI_TRANSITIONS=14}
[2022-12-13 12:06:05,183 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, -4 predicate places.
[2022-12-13 12:06:05,183 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 14 transitions, 49 flow
[2022-12-13 12:06:05,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,184 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:05,184 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-12-13 12:06:05,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-12-13 12:06:05,184 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-12-13 12:06:05,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:05,184 INFO L85 PathProgramCache]: Analyzing trace with hash 595441, now seen corresponding path program 1 times
[2022-12-13 12:06:05,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:05,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222141521]
[2022-12-13 12:06:05,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:05,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:05,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:05,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222141521]
[2022-12-13 12:06:05,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222141521] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:05,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:05,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 12:06:05,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230043529]
[2022-12-13 12:06:05,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:05,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:05,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:05,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:05,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:06:05,207 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 159
[2022-12-13 12:06:05,208 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 14 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,208 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:05,208 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 159
[2022-12-13 12:06:05,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:05,230 INFO L130 PetriNetUnfolder]: 61/146 cut-off events.
[2022-12-13 12:06:05,230 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES.
[2022-12-13 12:06:05,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 146 events. 61/146 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 489 event pairs, 34 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 301. Up to 116 conditions per place.
[2022-12-13 12:06:05,231 INFO L137 encePairwiseOnDemand]: 156/159 looper letters, 11 selfloop transitions, 2 changer transitions 0/17 dead transitions.
[2022-12-13 12:06:05,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 17 transitions, 81 flow
[2022-12-13 12:06:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 203 transitions.
[2022-12-13 12:06:05,232 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42557651991614254
[2022-12-13 12:06:05,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 203 transitions.
[2022-12-13 12:06:05,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 203 transitions.
[2022-12-13 12:06:05,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:05,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 203 transitions.
[2022-12-13 12:06:05,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,233 INFO L175 Difference]: Start difference. First operand has 27 places, 14 transitions, 49 flow. Second operand 3 states and 203 transitions.
[2022-12-13 12:06:05,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 17 transitions, 81 flow
[2022-12-13 12:06:05,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 17 transitions, 75 flow, removed 3 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:05,234 INFO L231 Difference]: Finished difference. Result has 25 places, 15 transitions, 55 flow
[2022-12-13 12:06:05,234 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=43, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=25, PETRI_TRANSITIONS=15}
[2022-12-13 12:06:05,234 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, -6 predicate places.
[2022-12-13 12:06:05,234 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 15 transitions, 55 flow
[2022-12-13 12:06:05,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,235 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:05,235 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:05,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-12-13 12:06:05,235 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-12-13 12:06:05,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:05,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1108502906, now seen corresponding path program 1 times
[2022-12-13 12:06:05,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:05,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124463472]
[2022-12-13 12:06:05,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:05,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:05,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:05,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124463472]
[2022-12-13 12:06:05,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124463472] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:05,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791071854]
[2022-12-13 12:06:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:05,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:05,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:05,258 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:05,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-12-13 12:06:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:05,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:05,308 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 12:06:05,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 12:06:05,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791071854] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:05,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 12:06:05,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5
[2022-12-13 12:06:05,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584008758]
[2022-12-13 12:06:05,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:05,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:05,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:05,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:05,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-12-13 12:06:05,317 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 159
[2022-12-13 12:06:05,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 15 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,318 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:05,318 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 159
[2022-12-13 12:06:05,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:05,353 INFO L130 PetriNetUnfolder]: 100/216 cut-off events.
[2022-12-13 12:06:05,354 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES.
[2022-12-13 12:06:05,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 216 events. 100/216 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 789 event pairs, 62 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 476. Up to 167 conditions per place.
[2022-12-13 12:06:05,355 INFO L137 encePairwiseOnDemand]: 153/159 looper letters, 11 selfloop transitions, 4 changer transitions 2/19 dead transitions.
[2022-12-13 12:06:05,355 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 19 transitions, 97 flow
[2022-12-13 12:06:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions.
[2022-12-13 12:06:05,356 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4381551362683438
[2022-12-13 12:06:05,356 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 209 transitions.
[2022-12-13 12:06:05,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 209 transitions.
[2022-12-13 12:06:05,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:05,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 209 transitions.
[2022-12-13 12:06:05,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,358 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,358 INFO L175 Difference]: Start difference. First operand has 25 places, 15 transitions, 55 flow. Second operand 3 states and 209 transitions.
[2022-12-13 12:06:05,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 19 transitions, 97 flow
[2022-12-13 12:06:05,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 19 transitions, 95 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:06:05,359 INFO L231 Difference]: Finished difference. Result has 27 places, 17 transitions, 77 flow
[2022-12-13 12:06:05,359 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=27, PETRI_TRANSITIONS=17}
[2022-12-13 12:06:05,360 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, -4 predicate places.
[2022-12-13 12:06:05,360 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 17 transitions, 77 flow
[2022-12-13 12:06:05,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,360 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:05,360 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:05,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2022-12-13 12:06:05,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-12-13 12:06:05,561 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-12-13 12:06:05,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:05,562 INFO L85 PathProgramCache]: Analyzing trace with hash 3856330, now seen corresponding path program 1 times
[2022-12-13 12:06:05,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:05,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188450883]
[2022-12-13 12:06:05,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:05,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:05,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:05,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188450883]
[2022-12-13 12:06:05,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188450883] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:05,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253675306]
[2022-12-13 12:06:05,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:05,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:05,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:05,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:05,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-12-13 12:06:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:05,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:05,724 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:05,734 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 12:06:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:05,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253675306] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 12:06:05,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 12:06:05,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2022-12-13 12:06:05,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853225726]
[2022-12-13 12:06:05,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 12:06:05,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 12:06:05,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:05,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 12:06:05,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-12-13 12:06:05,763 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 159
[2022-12-13 12:06:05,763 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 17 transitions, 77 flow. Second operand has 7 states, 7 states have (on average 64.14285714285714) internal successors, (449), 7 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,764 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:05,764 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 159
[2022-12-13 12:06:05,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:05,797 INFO L130 PetriNetUnfolder]: 44/103 cut-off events.
[2022-12-13 12:06:05,797 INFO L131 PetriNetUnfolder]: For 73/73 co-relation queries the response was YES.
[2022-12-13 12:06:05,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 103 events. 44/103 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 247 event pairs, 0 based on Foata normal form. 14/117 useless extension candidates. Maximal degree in co-relation 285. Up to 52 conditions per place.
[2022-12-13 12:06:05,798 INFO L137 encePairwiseOnDemand]: 156/159 looper letters, 16 selfloop transitions, 4 changer transitions 0/22 dead transitions.
[2022-12-13 12:06:05,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 22 transitions, 125 flow
[2022-12-13 12:06:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-12-13 12:06:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-12-13 12:06:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 395 transitions.
[2022-12-13 12:06:05,799 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4140461215932914
[2022-12-13 12:06:05,799 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 395 transitions.
[2022-12-13 12:06:05,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 395 transitions.
[2022-12-13 12:06:05,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:05,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 395 transitions.
[2022-12-13 12:06:05,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 65.83333333333333) internal successors, (395), 6 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,801 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,801 INFO L175 Difference]: Start difference. First operand has 27 places, 17 transitions, 77 flow. Second operand 6 states and 395 transitions.
[2022-12-13 12:06:05,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 22 transitions, 125 flow
[2022-12-13 12:06:05,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 22 transitions, 125 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:05,802 INFO L231 Difference]: Finished difference. Result has 28 places, 13 transitions, 63 flow
[2022-12-13 12:06:05,802 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=63, PETRI_PLACES=28, PETRI_TRANSITIONS=13}
[2022-12-13 12:06:05,802 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, -3 predicate places.
[2022-12-13 12:06:05,803 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 13 transitions, 63 flow
[2022-12-13 12:06:05,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 64.14285714285714) internal successors, (449), 7 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:05,803 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:05,803 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1]
[2022-12-13 12:06:05,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2022-12-13 12:06:06,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2022-12-13 12:06:06,004 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2022-12-13 12:06:06,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash 919285008, now seen corresponding path program 1 times
[2022-12-13 12:06:06,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:06,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064083538]
[2022-12-13 12:06:06,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:06,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:06,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-12-13 12:06:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:06,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-12-13 12:06:06,029 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2022-12-13 12:06:06,030 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining)
[2022-12-13 12:06:06,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2022-12-13 12:06:06,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2022-12-13 12:06:06,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2022-12-13 12:06:06,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2022-12-13 12:06:06,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2022-12-13 12:06:06,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2022-12-13 12:06:06,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2022-12-13 12:06:06,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-12-13 12:06:06,031 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-12-13 12:06:06,032 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2022-12-13 12:06:06,032 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2022-12-13 12:06:06,057 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-12-13 12:06:06,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 93 transitions, 230 flow
[2022-12-13 12:06:06,141 INFO L130 PetriNetUnfolder]: 47/488 cut-off events.
[2022-12-13 12:06:06,141 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2022-12-13 12:06:06,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 488 events. 47/488 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1682 event pairs, 6 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 302. Up to 32 conditions per place.
[2022-12-13 12:06:06,142 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 93 transitions, 230 flow
[2022-12-13 12:06:06,144 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 93 transitions, 230 flow
[2022-12-13 12:06:06,144 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2022-12-13 12:06:06,144 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 93 transitions, 230 flow
[2022-12-13 12:06:06,144 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 93 transitions, 230 flow
[2022-12-13 12:06:06,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 93 transitions, 230 flow
[2022-12-13 12:06:06,193 INFO L130 PetriNetUnfolder]: 47/488 cut-off events.
[2022-12-13 12:06:06,193 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2022-12-13 12:06:06,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 488 events. 47/488 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1682 event pairs, 6 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 302. Up to 32 conditions per place.
[2022-12-13 12:06:06,199 INFO L119 LiptonReduction]: Number of co-enabled transitions 2568
[2022-12-13 12:06:07,436 INFO L134 LiptonReduction]: Checked pairs total: 4103
[2022-12-13 12:06:07,436 INFO L136 LiptonReduction]: Total number of compositions: 78
[2022-12-13 12:06:07,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 12:06:07,437 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78df3b96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 12:06:07,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2022-12-13 12:06:07,438 INFO L130 PetriNetUnfolder]: 0/0 cut-off events.
[2022-12-13 12:06:07,438 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:06:07,438 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:07,438 INFO L209 CegarLoopForPetriNet]: trace histogram [1]
[2022-12-13 12:06:07,438 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2022-12-13 12:06:07,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:07,438 INFO L85 PathProgramCache]: Analyzing trace with hash 780, now seen corresponding path program 1 times
[2022-12-13 12:06:07,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:07,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725835297]
[2022-12-13 12:06:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:07,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:07,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:07,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725835297]
[2022-12-13 12:06:07,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725835297] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:07,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:07,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2022-12-13 12:06:07,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142612337]
[2022-12-13 12:06:07,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:07,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 12:06:07,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:07,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 12:06:07,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 12:06:07,442 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 171
[2022-12-13 12:06:07,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 108 flow. Second operand has 2 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:07,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 171
[2022-12-13 12:06:07,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:07,534 INFO L130 PetriNetUnfolder]: 639/1178 cut-off events.
[2022-12-13 12:06:07,534 INFO L131 PetriNetUnfolder]: For 296/296 co-relation queries the response was YES.
[2022-12-13 12:06:07,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2458 conditions, 1178 events. 639/1178 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 5380 event pairs, 599 based on Foata normal form. 0/1048 useless extension candidates. Maximal degree in co-relation 781. Up to 1071 conditions per place.
[2022-12-13 12:06:07,537 INFO L137 encePairwiseOnDemand]: 164/171 looper letters, 12 selfloop transitions, 0 changer transitions 9/25 dead transitions.
[2022-12-13 12:06:07,537 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 134 flow
[2022-12-13 12:06:07,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 12:06:07,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2022-12-13 12:06:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 169 transitions.
[2022-12-13 12:06:07,538 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49415204678362573
[2022-12-13 12:06:07,538 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 169 transitions.
[2022-12-13 12:06:07,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 169 transitions.
[2022-12-13 12:06:07,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:07,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 169 transitions.
[2022-12-13 12:06:07,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 84.5) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,540 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,540 INFO L175 Difference]: Start difference. First operand has 36 places, 32 transitions, 108 flow. Second operand 2 states and 169 transitions.
[2022-12-13 12:06:07,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 134 flow
[2022-12-13 12:06:07,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 25 transitions, 134 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:07,541 INFO L231 Difference]: Finished difference. Result has 31 places, 16 transitions, 64 flow
[2022-12-13 12:06:07,541 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=64, PETRI_PLACES=31, PETRI_TRANSITIONS=16}
[2022-12-13 12:06:07,542 INFO L288 CegarLoopForPetriNet]: 36 programPoint places, -5 predicate places.
[2022-12-13 12:06:07,542 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 16 transitions, 64 flow
[2022-12-13 12:06:07,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,542 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:07,542 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-12-13 12:06:07,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-12-13 12:06:07,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2022-12-13 12:06:07,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:07,542 INFO L85 PathProgramCache]: Analyzing trace with hash 773052, now seen corresponding path program 1 times
[2022-12-13 12:06:07,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:07,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591129874]
[2022-12-13 12:06:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:07,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:07,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591129874]
[2022-12-13 12:06:07,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591129874] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:07,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:07,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 12:06:07,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163082462]
[2022-12-13 12:06:07,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:07,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:07,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:07,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:07,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:06:07,565 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 171
[2022-12-13 12:06:07,565 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 16 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,565 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:07,565 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 171
[2022-12-13 12:06:07,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:07,609 INFO L130 PetriNetUnfolder]: 181/358 cut-off events.
[2022-12-13 12:06:07,610 INFO L131 PetriNetUnfolder]: For 132/132 co-relation queries the response was YES.
[2022-12-13 12:06:07,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 358 events. 181/358 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1389 event pairs, 122 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 757. Up to 300 conditions per place.
[2022-12-13 12:06:07,611 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 13 selfloop transitions, 2 changer transitions 0/19 dead transitions.
[2022-12-13 12:06:07,612 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 100 flow
[2022-12-13 12:06:07,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions.
[2022-12-13 12:06:07,613 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42300194931773877
[2022-12-13 12:06:07,613 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 217 transitions.
[2022-12-13 12:06:07,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 217 transitions.
[2022-12-13 12:06:07,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:07,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 217 transitions.
[2022-12-13 12:06:07,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,615 INFO L175 Difference]: Start difference. First operand has 31 places, 16 transitions, 64 flow. Second operand 3 states and 217 transitions.
[2022-12-13 12:06:07,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 100 flow
[2022-12-13 12:06:07,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 19 transitions, 88 flow, removed 6 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:07,616 INFO L231 Difference]: Finished difference. Result has 29 places, 17 transitions, 64 flow
[2022-12-13 12:06:07,617 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=29, PETRI_TRANSITIONS=17}
[2022-12-13 12:06:07,617 INFO L288 CegarLoopForPetriNet]: 36 programPoint places, -7 predicate places.
[2022-12-13 12:06:07,617 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 17 transitions, 64 flow
[2022-12-13 12:06:07,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,618 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:07,618 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:07,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-12-13 12:06:07,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2022-12-13 12:06:07,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:07,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2081068773, now seen corresponding path program 1 times
[2022-12-13 12:06:07,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:07,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444868116]
[2022-12-13 12:06:07,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:07,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:07,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:07,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444868116]
[2022-12-13 12:06:07,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444868116] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:07,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879094822]
[2022-12-13 12:06:07,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:07,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:07,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:07,646 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:07,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-12-13 12:06:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:07,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:07,696 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 12:06:07,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 12:06:07,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879094822] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:07,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 12:06:07,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5
[2022-12-13 12:06:07,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573820472]
[2022-12-13 12:06:07,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:07,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:07,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:07,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:07,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-12-13 12:06:07,703 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 171
[2022-12-13 12:06:07,703 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 17 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,703 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:07,703 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 171
[2022-12-13 12:06:07,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:07,769 INFO L130 PetriNetUnfolder]: 321/574 cut-off events.
[2022-12-13 12:06:07,769 INFO L131 PetriNetUnfolder]: For 73/73 co-relation queries the response was YES.
[2022-12-13 12:06:07,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1249 conditions, 574 events. 321/574 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2318 event pairs, 201 based on Foata normal form. 0/548 useless extension candidates. Maximal degree in co-relation 1240. Up to 466 conditions per place.
[2022-12-13 12:06:07,772 INFO L137 encePairwiseOnDemand]: 164/171 looper letters, 13 selfloop transitions, 5 changer transitions 2/22 dead transitions.
[2022-12-13 12:06:07,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 114 flow
[2022-12-13 12:06:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions.
[2022-12-13 12:06:07,774 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43664717348927873
[2022-12-13 12:06:07,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 224 transitions.
[2022-12-13 12:06:07,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 224 transitions.
[2022-12-13 12:06:07,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:07,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 224 transitions.
[2022-12-13 12:06:07,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,776 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,776 INFO L175 Difference]: Start difference. First operand has 29 places, 17 transitions, 64 flow. Second operand 3 states and 224 transitions.
[2022-12-13 12:06:07,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 114 flow
[2022-12-13 12:06:07,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 22 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:06:07,777 INFO L231 Difference]: Finished difference. Result has 31 places, 20 transitions, 93 flow
[2022-12-13 12:06:07,777 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=31, PETRI_TRANSITIONS=20}
[2022-12-13 12:06:07,778 INFO L288 CegarLoopForPetriNet]: 36 programPoint places, -5 predicate places.
[2022-12-13 12:06:07,778 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 20 transitions, 93 flow
[2022-12-13 12:06:07,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:07,778 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:07,778 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:07,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2022-12-13 12:06:07,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2022-12-13 12:06:07,979 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2022-12-13 12:06:07,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:07,979 INFO L85 PathProgramCache]: Analyzing trace with hash 88627364, now seen corresponding path program 1 times
[2022-12-13 12:06:07,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:07,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722829403]
[2022-12-13 12:06:07,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:07,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:08,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:08,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722829403]
[2022-12-13 12:06:08,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722829403] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:08,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66236989]
[2022-12-13 12:06:08,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:08,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:08,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:08,006 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:08,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-12-13 12:06:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:08,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:08,051 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:08,058 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 12:06:08,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:08,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66236989] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 12:06:08,070 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 12:06:08,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5
[2022-12-13 12:06:08,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104510706]
[2022-12-13 12:06:08,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 12:06:08,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-12-13 12:06:08,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:08,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-12-13 12:06:08,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-12-13 12:06:08,080 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 171
[2022-12-13 12:06:08,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 20 transitions, 93 flow. Second operand has 6 states, 6 states have (on average 67.83333333333333) internal successors, (407), 6 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:08,081 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:08,081 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 171
[2022-12-13 12:06:08,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:08,136 INFO L130 PetriNetUnfolder]: 205/366 cut-off events.
[2022-12-13 12:06:08,136 INFO L131 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES.
[2022-12-13 12:06:08,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 366 events. 205/366 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1242 event pairs, 8 based on Foata normal form. 14/380 useless extension candidates. Maximal degree in co-relation 1091. Up to 251 conditions per place.
[2022-12-13 12:06:08,139 INFO L137 encePairwiseOnDemand]: 167/171 looper letters, 27 selfloop transitions, 6 changer transitions 0/36 dead transitions.
[2022-12-13 12:06:08,139 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 36 transitions, 215 flow
[2022-12-13 12:06:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-12-13 12:06:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-12-13 12:06:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 428 transitions.
[2022-12-13 12:06:08,141 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4171539961013645
[2022-12-13 12:06:08,141 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 428 transitions.
[2022-12-13 12:06:08,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 428 transitions.
[2022-12-13 12:06:08,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:08,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 428 transitions.
[2022-12-13 12:06:08,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:08,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:08,144 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:08,144 INFO L175 Difference]: Start difference. First operand has 31 places, 20 transitions, 93 flow. Second operand 6 states and 428 transitions.
[2022-12-13 12:06:08,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 36 transitions, 215 flow
[2022-12-13 12:06:08,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 36 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:06:08,146 INFO L231 Difference]: Finished difference. Result has 38 places, 23 transitions, 128 flow
[2022-12-13 12:06:08,147 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=128, PETRI_PLACES=38, PETRI_TRANSITIONS=23}
[2022-12-13 12:06:08,147 INFO L288 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places.
[2022-12-13 12:06:08,147 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 23 transitions, 128 flow
[2022-12-13 12:06:08,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.83333333333333) internal successors, (407), 6 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:08,147 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:08,148 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:08,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2022-12-13 12:06:08,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2022-12-13 12:06:08,349 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2022-12-13 12:06:08,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:08,349 INFO L85 PathProgramCache]: Analyzing trace with hash 943701256, now seen corresponding path program 1 times
[2022-12-13 12:06:08,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:08,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053962709]
[2022-12-13 12:06:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:08,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:08,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-12-13 12:06:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:08,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-12-13 12:06:08,379 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2022-12-13 12:06:08,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining)
[2022-12-13 12:06:08,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2022-12-13 12:06:08,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2022-12-13 12:06:08,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2022-12-13 12:06:08,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2022-12-13 12:06:08,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining)
[2022-12-13 12:06:08,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2022-12-13 12:06:08,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2022-12-13 12:06:08,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2022-12-13 12:06:08,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2022-12-13 12:06:08,380 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-12-13 12:06:08,381 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2022-12-13 12:06:08,381 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2022-12-13 12:06:08,395 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions.
[2022-12-13 12:06:08,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 101 transitions, 262 flow
[2022-12-13 12:06:08,462 INFO L130 PetriNetUnfolder]: 98/882 cut-off events.
[2022-12-13 12:06:08,462 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES.
[2022-12-13 12:06:08,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 882 events. 98/882 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4021 event pairs, 23 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 533. Up to 80 conditions per place.
[2022-12-13 12:06:08,463 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 101 transitions, 262 flow
[2022-12-13 12:06:08,465 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 101 transitions, 262 flow
[2022-12-13 12:06:08,465 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2022-12-13 12:06:08,465 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 101 transitions, 262 flow
[2022-12-13 12:06:08,465 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 101 transitions, 262 flow
[2022-12-13 12:06:08,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 101 transitions, 262 flow
[2022-12-13 12:06:08,524 INFO L130 PetriNetUnfolder]: 98/882 cut-off events.
[2022-12-13 12:06:08,524 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES.
[2022-12-13 12:06:08,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 882 events. 98/882 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4021 event pairs, 23 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 533. Up to 80 conditions per place.
[2022-12-13 12:06:08,532 INFO L119 LiptonReduction]: Number of co-enabled transitions 3480
[2022-12-13 12:06:09,781 INFO L134 LiptonReduction]: Checked pairs total: 5618
[2022-12-13 12:06:09,781 INFO L136 LiptonReduction]: Total number of compositions: 83
[2022-12-13 12:06:09,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 12:06:09,783 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78df3b96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 12:06:09,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2022-12-13 12:06:09,783 INFO L130 PetriNetUnfolder]: 0/0 cut-off events.
[2022-12-13 12:06:09,783 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-12-13 12:06:09,783 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:09,783 INFO L209 CegarLoopForPetriNet]: trace histogram [1]
[2022-12-13 12:06:09,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-12-13 12:06:09,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:09,784 INFO L85 PathProgramCache]: Analyzing trace with hash 973, now seen corresponding path program 1 times
[2022-12-13 12:06:09,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:09,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823363416]
[2022-12-13 12:06:09,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:09,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:09,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:09,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823363416]
[2022-12-13 12:06:09,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823363416] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:09,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:09,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2022-12-13 12:06:09,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18118181]
[2022-12-13 12:06:09,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:09,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 12:06:09,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:09,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 12:06:09,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 12:06:09,788 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 184
[2022-12-13 12:06:09,788 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:09,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:09,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 184
[2022-12-13 12:06:09,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:10,071 INFO L130 PetriNetUnfolder]: 2250/3713 cut-off events.
[2022-12-13 12:06:10,071 INFO L131 PetriNetUnfolder]: For 1067/1067 co-relation queries the response was YES.
[2022-12-13 12:06:10,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7806 conditions, 3713 events. 2250/3713 cut-off events. For 1067/1067 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 19063 event pairs, 2129 based on Foata normal form. 0/3375 useless extension candidates. Maximal degree in co-relation 2476. Up to 3442 conditions per place.
[2022-12-13 12:06:10,080 INFO L137 encePairwiseOnDemand]: 176/184 looper letters, 14 selfloop transitions, 0 changer transitions 10/28 dead transitions.
[2022-12-13 12:06:10,080 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 28 transitions, 162 flow
[2022-12-13 12:06:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 12:06:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2022-12-13 12:06:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 181 transitions.
[2022-12-13 12:06:10,082 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49184782608695654
[2022-12-13 12:06:10,082 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 181 transitions.
[2022-12-13 12:06:10,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 181 transitions.
[2022-12-13 12:06:10,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:10,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 181 transitions.
[2022-12-13 12:06:10,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 90.5) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,084 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,084 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 132 flow. Second operand 2 states and 181 transitions.
[2022-12-13 12:06:10,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 28 transitions, 162 flow
[2022-12-13 12:06:10,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 162 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:10,085 INFO L231 Difference]: Finished difference. Result has 35 places, 18 transitions, 81 flow
[2022-12-13 12:06:10,086 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=81, PETRI_PLACES=35, PETRI_TRANSITIONS=18}
[2022-12-13 12:06:10,086 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, -6 predicate places.
[2022-12-13 12:06:10,086 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 18 transitions, 81 flow
[2022-12-13 12:06:10,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,086 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:10,086 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2022-12-13 12:06:10,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2022-12-13 12:06:10,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-12-13 12:06:10,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:10,087 INFO L85 PathProgramCache]: Analyzing trace with hash 962703, now seen corresponding path program 1 times
[2022-12-13 12:06:10,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:10,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944697419]
[2022-12-13 12:06:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:10,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:10,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944697419]
[2022-12-13 12:06:10,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944697419] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:10,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 12:06:10,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 12:06:10,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759778303]
[2022-12-13 12:06:10,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:10,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:10,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:10,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:10,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 12:06:10,110 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 184
[2022-12-13 12:06:10,110 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 18 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,110 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:10,110 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 184
[2022-12-13 12:06:10,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:10,180 INFO L130 PetriNetUnfolder]: 485/846 cut-off events.
[2022-12-13 12:06:10,180 INFO L131 PetriNetUnfolder]: For 444/444 co-relation queries the response was YES.
[2022-12-13 12:06:10,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 846 events. 485/846 cut-off events. For 444/444 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3614 event pairs, 362 based on Foata normal form. 0/752 useless extension candidates. Maximal degree in co-relation 1821. Up to 732 conditions per place.
[2022-12-13 12:06:10,183 INFO L137 encePairwiseOnDemand]: 181/184 looper letters, 15 selfloop transitions, 2 changer transitions 0/21 dead transitions.
[2022-12-13 12:06:10,183 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 21 transitions, 121 flow
[2022-12-13 12:06:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions.
[2022-12-13 12:06:10,184 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41847826086956524
[2022-12-13 12:06:10,184 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 231 transitions.
[2022-12-13 12:06:10,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 231 transitions.
[2022-12-13 12:06:10,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:10,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 231 transitions.
[2022-12-13 12:06:10,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,185 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,185 INFO L175 Difference]: Start difference. First operand has 35 places, 18 transitions, 81 flow. Second operand 3 states and 231 transitions.
[2022-12-13 12:06:10,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 21 transitions, 121 flow
[2022-12-13 12:06:10,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 21 transitions, 101 flow, removed 10 selfloop flow, removed 0 redundant places.
[2022-12-13 12:06:10,186 INFO L231 Difference]: Finished difference. Result has 33 places, 19 transitions, 73 flow
[2022-12-13 12:06:10,186 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=73, PETRI_PLACES=33, PETRI_TRANSITIONS=19}
[2022-12-13 12:06:10,187 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, -8 predicate places.
[2022-12-13 12:06:10,187 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 19 transitions, 73 flow
[2022-12-13 12:06:10,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,187 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:10,187 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:10,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2022-12-13 12:06:10,188 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-12-13 12:06:10,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:10,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1030643336, now seen corresponding path program 1 times
[2022-12-13 12:06:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:10,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031344201]
[2022-12-13 12:06:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:10,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:10,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031344201]
[2022-12-13 12:06:10,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031344201] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:10,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602866552]
[2022-12-13 12:06:10,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:10,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:10,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:10,209 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:10,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-12-13 12:06:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:10,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:10,256 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-12-13 12:06:10,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 12:06:10,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602866552] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:10,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 12:06:10,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5
[2022-12-13 12:06:10,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104655411]
[2022-12-13 12:06:10,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:10,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 12:06:10,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:10,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 12:06:10,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-12-13 12:06:10,263 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 184
[2022-12-13 12:06:10,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 19 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:10,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 184
[2022-12-13 12:06:10,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:10,348 INFO L130 PetriNetUnfolder]: 899/1429 cut-off events.
[2022-12-13 12:06:10,348 INFO L131 PetriNetUnfolder]: For 153/153 co-relation queries the response was YES.
[2022-12-13 12:06:10,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3056 conditions, 1429 events. 899/1429 cut-off events. For 153/153 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6099 event pairs, 572 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3046. Up to 1202 conditions per place.
[2022-12-13 12:06:10,352 INFO L137 encePairwiseOnDemand]: 176/184 looper letters, 15 selfloop transitions, 6 changer transitions 2/25 dead transitions.
[2022-12-13 12:06:10,352 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 25 transitions, 131 flow
[2022-12-13 12:06:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-12-13 12:06:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-12-13 12:06:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions.
[2022-12-13 12:06:10,353 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4329710144927536
[2022-12-13 12:06:10,353 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 239 transitions.
[2022-12-13 12:06:10,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 239 transitions.
[2022-12-13 12:06:10,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:10,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 239 transitions.
[2022-12-13 12:06:10,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,355 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,355 INFO L175 Difference]: Start difference. First operand has 33 places, 19 transitions, 73 flow. Second operand 3 states and 239 transitions.
[2022-12-13 12:06:10,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 25 transitions, 131 flow
[2022-12-13 12:06:10,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 25 transitions, 129 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:06:10,355 INFO L231 Difference]: Finished difference. Result has 35 places, 23 transitions, 109 flow
[2022-12-13 12:06:10,355 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=109, PETRI_PLACES=35, PETRI_TRANSITIONS=23}
[2022-12-13 12:06:10,356 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, -6 predicate places.
[2022-12-13 12:06:10,356 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 23 transitions, 109 flow
[2022-12-13 12:06:10,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,356 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:10,356 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:10,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2022-12-13 12:06:10,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:10,558 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-12-13 12:06:10,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:10,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1885177798, now seen corresponding path program 1 times
[2022-12-13 12:06:10,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:10,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104736580]
[2022-12-13 12:06:10,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:10,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:10,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:10,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104736580]
[2022-12-13 12:06:10,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104736580] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:10,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818656702]
[2022-12-13 12:06:10,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:10,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:10,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:10,617 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:10,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-12-13 12:06:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:10,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-12-13 12:06:10,670 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:10,680 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 12:06:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:10,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818656702] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 12:06:10,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 12:06:10,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2022-12-13 12:06:10,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136386335]
[2022-12-13 12:06:10,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 12:06:10,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 12:06:10,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:10,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 12:06:10,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-12-13 12:06:10,711 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 184
[2022-12-13 12:06:10,711 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 23 transitions, 109 flow. Second operand has 7 states, 7 states have (on average 72.14285714285714) internal successors, (505), 7 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:10,712 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 184
[2022-12-13 12:06:10,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:10,816 INFO L130 PetriNetUnfolder]: 628/1003 cut-off events.
[2022-12-13 12:06:10,816 INFO L131 PetriNetUnfolder]: For 536/536 co-relation queries the response was YES.
[2022-12-13 12:06:10,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3054 conditions, 1003 events. 628/1003 cut-off events. For 536/536 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3830 event pairs, 56 based on Foata normal form. 14/1016 useless extension candidates. Maximal degree in co-relation 3043. Up to 752 conditions per place.
[2022-12-13 12:06:10,822 INFO L137 encePairwiseOnDemand]: 180/184 looper letters, 31 selfloop transitions, 6 changer transitions 0/40 dead transitions.
[2022-12-13 12:06:10,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 243 flow
[2022-12-13 12:06:10,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-12-13 12:06:10,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-12-13 12:06:10,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 455 transitions.
[2022-12-13 12:06:10,823 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4121376811594203
[2022-12-13 12:06:10,823 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 455 transitions.
[2022-12-13 12:06:10,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 455 transitions.
[2022-12-13 12:06:10,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:10,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 455 transitions.
[2022-12-13 12:06:10,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.83333333333333) internal successors, (455), 6 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 184.0) internal successors, (1288), 7 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,826 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 184.0) internal successors, (1288), 7 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,826 INFO L175 Difference]: Start difference. First operand has 35 places, 23 transitions, 109 flow. Second operand 6 states and 455 transitions.
[2022-12-13 12:06:10,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 243 flow
[2022-12-13 12:06:10,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 40 transitions, 237 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-12-13 12:06:10,828 INFO L231 Difference]: Finished difference. Result has 42 places, 26 transitions, 143 flow
[2022-12-13 12:06:10,828 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=143, PETRI_PLACES=42, PETRI_TRANSITIONS=26}
[2022-12-13 12:06:10,829 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 1 predicate places.
[2022-12-13 12:06:10,829 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 26 transitions, 143 flow
[2022-12-13 12:06:10,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 72.14285714285714) internal successors, (505), 7 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:10,829 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:10,829 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:10,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2022-12-13 12:06:11,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2022-12-13 12:06:11,030 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-12-13 12:06:11,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:11,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1184132085, now seen corresponding path program 1 times
[2022-12-13 12:06:11,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:11,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578914622]
[2022-12-13 12:06:11,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:11,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:11,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:11,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578914622]
[2022-12-13 12:06:11,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578914622] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:11,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778997254]
[2022-12-13 12:06:11,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:11,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:11,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:11,099 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:11,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-12-13 12:06:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:11,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-12-13 12:06:11,175 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:11,193 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-12-13 12:06:11,217 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:11,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778997254] provided 0 perfect and 2 imperfect interpolant sequences
[2022-12-13 12:06:11,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-12-13 12:06:11,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7
[2022-12-13 12:06:11,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76954622]
[2022-12-13 12:06:11,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-12-13 12:06:11,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-12-13 12:06:11,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:11,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-12-13 12:06:11,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2022-12-13 12:06:11,230 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 184
[2022-12-13 12:06:11,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 26 transitions, 143 flow. Second operand has 8 states, 8 states have (on average 72.375) internal successors, (579), 8 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:11,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 184
[2022-12-13 12:06:11,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:11,318 INFO L130 PetriNetUnfolder]: 555/884 cut-off events.
[2022-12-13 12:06:11,318 INFO L131 PetriNetUnfolder]: For 896/896 co-relation queries the response was YES.
[2022-12-13 12:06:11,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2918 conditions, 884 events. 555/884 cut-off events. For 896/896 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3254 event pairs, 16 based on Foata normal form. 16/899 useless extension candidates. Maximal degree in co-relation 2904. Up to 649 conditions per place.
[2022-12-13 12:06:11,322 INFO L137 encePairwiseOnDemand]: 180/184 looper letters, 36 selfloop transitions, 7 changer transitions 0/46 dead transitions.
[2022-12-13 12:06:11,322 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 46 transitions, 315 flow
[2022-12-13 12:06:11,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 12:06:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2022-12-13 12:06:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 529 transitions.
[2022-12-13 12:06:11,323 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4107142857142857
[2022-12-13 12:06:11,323 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 529 transitions.
[2022-12-13 12:06:11,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 529 transitions.
[2022-12-13 12:06:11,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:11,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 529 transitions.
[2022-12-13 12:06:11,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 75.57142857142857) internal successors, (529), 7 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,325 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,325 INFO L175 Difference]: Start difference. First operand has 42 places, 26 transitions, 143 flow. Second operand 7 states and 529 transitions.
[2022-12-13 12:06:11,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 46 transitions, 315 flow
[2022-12-13 12:06:11,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 46 transitions, 305 flow, removed 4 selfloop flow, removed 1 redundant places.
[2022-12-13 12:06:11,327 INFO L231 Difference]: Finished difference. Result has 49 places, 28 transitions, 171 flow
[2022-12-13 12:06:11,327 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=171, PETRI_PLACES=49, PETRI_TRANSITIONS=28}
[2022-12-13 12:06:11,327 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 8 predicate places.
[2022-12-13 12:06:11,327 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 28 transitions, 171 flow
[2022-12-13 12:06:11,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 72.375) internal successors, (579), 8 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,328 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:11,328 INFO L209 CegarLoopForPetriNet]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:11,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2022-12-13 12:06:11,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:11,529 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-12-13 12:06:11,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:11,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1528773726, now seen corresponding path program 1 times
[2022-12-13 12:06:11,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:11,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819704454]
[2022-12-13 12:06:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:11,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:11,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 12:06:11,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819704454]
[2022-12-13 12:06:11,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819704454] provided 0 perfect and 1 imperfect interpolant sequences
[2022-12-13 12:06:11,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245666866]
[2022-12-13 12:06:11,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:11,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-12-13 12:06:11,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 12:06:11,685 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-12-13 12:06:11,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-12-13 12:06:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 12:06:11,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core
[2022-12-13 12:06:11,759 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 12:06:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 12:06:11,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 12:06:11,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245666866] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 12:06:11,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-12-13 12:06:11,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8
[2022-12-13 12:06:11,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101202597]
[2022-12-13 12:06:11,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 12:06:11,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-12-13 12:06:11,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 12:06:11,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-12-13 12:06:11,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72
[2022-12-13 12:06:11,805 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 184
[2022-12-13 12:06:11,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 28 transitions, 171 flow. Second operand has 8 states, 8 states have (on average 72.125) internal successors, (577), 8 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-12-13 12:06:11,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 184
[2022-12-13 12:06:11,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-12-13 12:06:11,926 INFO L130 PetriNetUnfolder]: 475/756 cut-off events.
[2022-12-13 12:06:11,926 INFO L131 PetriNetUnfolder]: For 1088/1088 co-relation queries the response was YES.
[2022-12-13 12:06:11,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2603 conditions, 756 events. 475/756 cut-off events. For 1088/1088 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2560 event pairs, 0 based on Foata normal form. 32/787 useless extension candidates. Maximal degree in co-relation 2587. Up to 569 conditions per place.
[2022-12-13 12:06:11,929 INFO L137 encePairwiseOnDemand]: 181/184 looper letters, 36 selfloop transitions, 6 changer transitions 0/44 dead transitions.
[2022-12-13 12:06:11,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 44 transitions, 313 flow
[2022-12-13 12:06:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-12-13 12:06:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2022-12-13 12:06:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 598 transitions.
[2022-12-13 12:06:11,931 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40625
[2022-12-13 12:06:11,931 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 598 transitions.
[2022-12-13 12:06:11,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 598 transitions.
[2022-12-13 12:06:11,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-12-13 12:06:11,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 598 transitions.
[2022-12-13 12:06:11,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 74.75) internal successors, (598), 8 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 184.0) internal successors, (1656), 9 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,934 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 184.0) internal successors, (1656), 9 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,934 INFO L175 Difference]: Start difference. First operand has 49 places, 28 transitions, 171 flow. Second operand 8 states and 598 transitions.
[2022-12-13 12:06:11,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 44 transitions, 313 flow
[2022-12-13 12:06:11,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 44 transitions, 304 flow, removed 0 selfloop flow, removed 5 redundant places.
[2022-12-13 12:06:11,936 INFO L231 Difference]: Finished difference. Result has 50 places, 26 transitions, 160 flow
[2022-12-13 12:06:11,936 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=160, PETRI_PLACES=50, PETRI_TRANSITIONS=26}
[2022-12-13 12:06:11,936 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places.
[2022-12-13 12:06:11,936 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 26 transitions, 160 flow
[2022-12-13 12:06:11,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 72.125) internal successors, (577), 8 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 12:06:11,936 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-12-13 12:06:11,937 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:11,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2022-12-13 12:06:12,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2022-12-13 12:06:12,137 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-12-13 12:06:12,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 12:06:12,138 INFO L85 PathProgramCache]: Analyzing trace with hash -147372904, now seen corresponding path program 1 times
[2022-12-13 12:06:12,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 12:06:12,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018864417]
[2022-12-13 12:06:12,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 12:06:12,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 12:06:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:12,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-12-13 12:06:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 12:06:12,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-12-13 12:06:12,179 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2022-12-13 12:06:12,179 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining)
[2022-12-13 12:06:12,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining)
[2022-12-13 12:06:12,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining)
[2022-12-13 12:06:12,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining)
[2022-12-13 12:06:12,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining)
[2022-12-13 12:06:12,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining)
[2022-12-13 12:06:12,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining)
[2022-12-13 12:06:12,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining)
[2022-12-13 12:06:12,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining)
[2022-12-13 12:06:12,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining)
[2022-12-13 12:06:12,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2022-12-13 12:06:12,182 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2022-12-13 12:06:12,193 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 5 thread instances
[2022-12-13 12:06:12,193 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-12-13 12:06:12,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:06:12 BasicIcfg
[2022-12-13 12:06:12,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-13 12:06:12,286 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-13 12:06:12,286 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-12-13 12:06:12,286 INFO L275 PluginConnector]: Witness Printer initialized
[2022-12-13 12:06:12,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:05:59" (3/4) ...
[2022-12-13 12:06:12,289 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-12-13 12:06:12,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-13 12:06:12,289 INFO L158 Benchmark]: Toolchain (without parser) took 13571.17ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 83.2MB in the beginning and 73.2MB in the end (delta: 10.0MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB.
[2022-12-13 12:06:12,290 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 12:06:12,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.95ms. Allocated memory is still 115.3MB. Free memory was 82.8MB in the beginning and 63.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-12-13 12:06:12,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.25ms. Allocated memory is still 115.3MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 12:06:12,290 INFO L158 Benchmark]: Boogie Preprocessor took 17.92ms. Allocated memory is still 115.3MB. Free memory was 61.1MB in the beginning and 59.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 12:06:12,290 INFO L158 Benchmark]: RCFGBuilder took 311.27ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 59.8MB in the beginning and 111.5MB in the end (delta: -51.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB.
[2022-12-13 12:06:12,291 INFO L158 Benchmark]: TraceAbstraction took 12905.66ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 110.8MB in the beginning and 73.2MB in the end (delta: 37.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB.
[2022-12-13 12:06:12,291 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 169.9MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 12:06:12,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 298.95ms. Allocated memory is still 115.3MB. Free memory was 82.8MB in the beginning and 63.2MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 28.25ms. Allocated memory is still 115.3MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 17.92ms. Allocated memory is still 115.3MB. Free memory was 61.1MB in the beginning and 59.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 311.27ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 59.8MB in the beginning and 111.5MB in the end (delta: -51.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 12905.66ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 110.8MB in the beginning and 73.2MB in the end (delta: 37.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB.
* Witness Printer took 3.27ms. Allocated memory is still 169.9MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 1.3s, 68 PlacesBefore, 19 PlacesAfterwards, 69 TransitionsBefore, 18 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 64 TotalNumberOfCompositions, 599 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 444, independent: 400, independent conditional: 0, independent unconditional: 400, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 235, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 444, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 235, unknown conditional: 0, unknown unconditional: 235] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 1.4s, 77 PlacesBefore, 26 PlacesAfterwards, 77 TransitionsBefore, 24 TransitionsAfterwards, 1068 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 68 TotalNumberOfCompositions, 1695 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1340, independent: 1291, independent conditional: 0, independent unconditional: 1291, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 575, independent: 552, independent conditional: 0, independent unconditional: 552, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1340, independent: 739, independent conditional: 0, independent unconditional: 739, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 1.1s, 86 PlacesBefore, 31 PlacesAfterwards, 85 TransitionsBefore, 28 TransitionsAfterwards, 1764 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 74 TotalNumberOfCompositions, 2779 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2151, independent: 2097, independent conditional: 0, independent unconditional: 2097, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 891, independent: 874, independent conditional: 0, independent unconditional: 874, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2151, independent: 1223, independent conditional: 0, independent unconditional: 1223, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 891, unknown conditional: 0, unknown unconditional: 891] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 1.3s, 95 PlacesBefore, 36 PlacesAfterwards, 93 TransitionsBefore, 32 TransitionsAfterwards, 2568 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 78 TotalNumberOfCompositions, 4103 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3162, independent: 3103, independent conditional: 0, independent unconditional: 3103, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1333, independent: 1311, independent conditional: 0, independent unconditional: 1311, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3162, independent: 1792, independent conditional: 0, independent unconditional: 1792, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 1333, unknown conditional: 0, unknown unconditional: 1333] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 1.3s, 104 PlacesBefore, 41 PlacesAfterwards, 101 TransitionsBefore, 36 TransitionsAfterwards, 3480 CoEnabledTransitionPairs, 5 FixpointIterations, 23 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 83 TotalNumberOfCompositions, 5618 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4463, independent: 4409, independent conditional: 0, independent unconditional: 4409, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1764, independent: 1739, independent conditional: 0, independent unconditional: 1739, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4463, independent: 2670, independent conditional: 0, independent unconditional: 2670, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 1764, unknown conditional: 0, unknown unconditional: 1764] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- DataRaceFoundResult [Line: 726]: Data race detected
Data race detected
The following path leads to a data race:
[L710] 0 intptr_t x;
[L719] 0 pthread_t t[5 + 1];
[L721] 0 x = 0
[L723] 0 intptr_t i = 1;
VAL [\old(argc)=50, argc=50, argv={51:52}, argv={51:52}, i=1, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(argc)=50, arg={0:1}, argc=50, argv={51:52}, argv={51:52}, i=1, pthread_create(t + i, 0, thread, (void *)i)=-5, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(argc)=50, arg={0:1}, argc=50, argv={51:52}, argv={51:52}, i=2, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=2, pthread_create(t + i, 0, thread, (void *)i)=-4, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=3, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=3, pthread_create(t + i, 0, thread, (void *)i)=-3, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=4, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=4, pthread_create(t + i, 0, thread, (void *)i)=-2, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=5, t={3:0}, x=0]
[L723] COND TRUE 0 i <= 5
[L724] FCALL, FORK 0 pthread_create(t + i, 0, thread, (void *)i)
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=5, pthread_create(t + i, 0, thread, (void *)i)=-1, t={3:0}, x=0]
[L723] 0 i++
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=6, t={3:0}, x=0]
[L723] COND FALSE 0 !(i <= 5)
[L726] 0 x < 5 + 1
VAL [\old(argc)=50, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=6, t={3:0}, x=0]
[L712] 1 intptr_t thread = (intptr_t)arg;
[L714] 1 x = thread
[L716] 1 return ((void *)0);
[L726] 0 x < 5 + 1
VAL [\old(argc)=50, \result={0:0}, arg={0:1}, arg={0:2}, argc=50, argv={51:52}, argv={51:52}, i=6, t={3:0}, thread=1, x=1]
Now there is a data race on ~x~0 between
C: x = thread [714]
and
C: x < 5 + 1 [726]
- UnprovableResult [Line: 721]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 730]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 724]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Reason: Not analyzed.
- UnprovableResult [Line: 714]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 73 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 10 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
CFG has 4 procedures, 80 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 156 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances
CFG has 5 procedures, 87 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 11 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 156 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances
CFG has 6 procedures, 94 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 11 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=4, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 156 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data with 5 thread instances
CFG has 7 procedures, 101 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 192 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 376 IncrementalHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 4 mSDtfsCounter, 376 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=5, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 84/189 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-12-13 12:06:12,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d6f079-9f0e-4fbc-8409-ab01a5fc3555/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE