./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 5e519f3a
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_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:59:10,975 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:59:10,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:59:11,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:59:11,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:59:11,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:59:11,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:59:11,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:59:11,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:59:11,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:59:11,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:59:11,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:59:11,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:59:11,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:59:11,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:59:11,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:59:11,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:59:11,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:59:11,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:59:11,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:59:11,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:59:11,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:59:11,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:59:11,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:59:11,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:59:11,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:59:11,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:59:11,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:59:11,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:59:11,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:59:11,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:59:11,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:59:11,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:59:11,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:59:11,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:59:11,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:59:11,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:59:11,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:59:11,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:59:11,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:59:11,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:59:11,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-11-02 20:59:11,189 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:59:11,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:59:11,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:59:11,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:59:11,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:59:11,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:59:11,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:59:11,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:59:11,194 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:59:11,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:59:11,196 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:59:11,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:59:11,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:59:11,197 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:59:11,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:59:11,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:59:11,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:59:11,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:59:11,199 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2022-11-02 20:59:11,199 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:59:11,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:59:11,200 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:59:11,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:59:11,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:59:11,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:59:11,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:59:11,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:59:11,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:59:11,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:59:11,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:59:11,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:59:11,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:59:11,204 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:59:11,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:59:11,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:59:11,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8b66b98fca524b0a343d5dd747c13b18a33bf448a3a25d7d1a1a10b8f7934d
[2022-11-02 20:59:11,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:59:11,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:59:11,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:59:11,643 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:59:11,644 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:59:11,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i
[2022-11-02 20:59:11,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/data/a8adf3531/3f895f07737e47088dfe08a88c21e954/FLAGeaabdf457
[2022-11-02 20:59:12,574 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:59:12,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i
[2022-11-02 20:59:12,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/data/a8adf3531/3f895f07737e47088dfe08a88c21e954/FLAGeaabdf457
[2022-11-02 20:59:12,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/data/a8adf3531/3f895f07737e47088dfe08a88c21e954
[2022-11-02 20:59:12,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:59:12,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:59:12,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:59:12,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:59:12,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:59:12,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:12" (1/1) ...
[2022-11-02 20:59:12,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9c999c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:12, skipping insertion in model container
[2022-11-02 20:59:12,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:12" (1/1) ...
[2022-11-02 20:59:12,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:59:12,866 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:59:14,569 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:59:14,587 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:59:14,721 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:59:14,959 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:59:14,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14 WrapperNode
[2022-11-02 20:59:14,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:59:14,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:59:14,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:59:14,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:59:15,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,086 INFO L138 Inliner]: procedures = 524, calls = 61, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 139
[2022-11-02 20:59:15,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:59:15,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:59:15,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:59:15,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:59:15,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:59:15,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:59:15,146 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:59:15,147 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:59:15,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (1/1) ...
[2022-11-02 20:59:15,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:59:15,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:59:15,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:59:15,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:59:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread
[2022-11-02 20:59:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread
[2022-11-02 20:59:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure sleep
[2022-11-02 20:59:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread
[2022-11-02 20:59:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread
[2022-11-02 20:59:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure strerror
[2022-11-02 20:59:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:59:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:59:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-11-02 20:59:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:59:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:59:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:59:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:59:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock
[2022-11-02 20:59:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure time
[2022-11-02 20:59:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:59:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:59:15,268 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:59:15,727 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:59:15,730 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:59:16,162 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:59:16,174 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:59:16,174 INFO L300 CfgBuilder]: Removed 19 assume(true) statements.
[2022-11-02 20:59:16,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:16 BoogieIcfgContainer
[2022-11-02 20:59:16,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:59:16,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:59:16,180 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:59:16,185 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:59:16,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:59:12" (1/3) ...
[2022-11-02 20:59:16,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493fe391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:16, skipping insertion in model container
[2022-11-02 20:59:16,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:14" (2/3) ...
[2022-11-02 20:59:16,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493fe391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:16, skipping insertion in model container
[2022-11-02 20:59:16,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:16" (3/3) ...
[2022-11-02 20:59:16,189 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i
[2022-11-02 20:59:16,199 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:59:16,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:59:16,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations.
[2022-11-02 20:59:16,213 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:59:16,345 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-11-02 20:59:16,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 246 places, 270 transitions, 556 flow
[2022-11-02 20:59:16,544 INFO L130 PetriNetUnfolder]: 31/268 cut-off events.
[2022-11-02 20:59:16,545 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-11-02 20:59:16,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 268 events. 31/268 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 605 event pairs, 0 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 165. Up to 5 conditions per place.
[2022-11-02 20:59:16,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 246 places, 270 transitions, 556 flow
[2022-11-02 20:59:16,562 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 235 places, 257 transitions, 526 flow
[2022-11-02 20:59:16,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:59:16,583 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;@20c02e50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:59:16,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations.
[2022-11-02 20:59:16,598 INFO L130 PetriNetUnfolder]: 0/55 cut-off events.
[2022-11-02 20:59:16,598 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:59:16,598 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:16,599 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:16,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:16,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:16,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1065672731, now seen corresponding path program 1 times
[2022-11-02 20:59:16,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:16,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260001310]
[2022-11-02 20:59:16,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:16,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:17,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:17,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260001310]
[2022-11-02 20:59:17,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260001310] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:17,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:17,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:17,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490317958]
[2022-11-02 20:59:17,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:17,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:17,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:17,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:17,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:17,202 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 270
[2022-11-02 20:59:17,208 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 257 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,208 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:17,208 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 270
[2022-11-02 20:59:17,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:17,419 INFO L130 PetriNetUnfolder]: 33/538 cut-off events.
[2022-11-02 20:59:17,420 INFO L131 PetriNetUnfolder]: For 20/22 co-relation queries the response was YES.
[2022-11-02 20:59:17,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 538 events. 33/538 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2796 event pairs, 15 based on Foata normal form. 87/537 useless extension candidates. Maximal degree in co-relation 443. Up to 52 conditions per place.
[2022-11-02 20:59:17,430 INFO L137 encePairwiseOnDemand]: 249/270 looper letters, 13 selfloop transitions, 2 changer transitions 3/223 dead transitions.
[2022-11-02 20:59:17,430 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 223 transitions, 488 flow
[2022-11-02 20:59:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions.
[2022-11-02 20:59:17,452 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8827160493827161
[2022-11-02 20:59:17,453 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 715 transitions.
[2022-11-02 20:59:17,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 715 transitions.
[2022-11-02 20:59:17,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:17,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 715 transitions.
[2022-11-02 20:59:17,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,485 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,487 INFO L175 Difference]: Start difference. First operand has 235 places, 257 transitions, 526 flow. Second operand 3 states and 715 transitions.
[2022-11-02 20:59:17,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 223 transitions, 488 flow
[2022-11-02 20:59:17,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 223 transitions, 480 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:59:17,502 INFO L231 Difference]: Finished difference. Result has 224 places, 220 transitions, 448 flow
[2022-11-02 20:59:17,505 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=224, PETRI_TRANSITIONS=220}
[2022-11-02 20:59:17,509 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, -11 predicate places.
[2022-11-02 20:59:17,510 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 220 transitions, 448 flow
[2022-11-02 20:59:17,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,511 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:17,512 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:17,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:59:17,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:17,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1617351657, now seen corresponding path program 1 times
[2022-11-02 20:59:17,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:17,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907105641]
[2022-11-02 20:59:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:17,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:17,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:17,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907105641]
[2022-11-02 20:59:17,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907105641] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:17,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:17,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:17,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521432060]
[2022-11-02 20:59:17,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:17,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:17,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:17,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:17,718 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 270
[2022-11-02 20:59:17,720 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 220 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,720 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:17,720 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 270
[2022-11-02 20:59:17,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:17,868 INFO L130 PetriNetUnfolder]: 23/482 cut-off events.
[2022-11-02 20:59:17,869 INFO L131 PetriNetUnfolder]: For 5/6 co-relation queries the response was YES.
[2022-11-02 20:59:17,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 482 events. 23/482 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2284 event pairs, 4 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 461. Up to 30 conditions per place.
[2022-11-02 20:59:17,876 INFO L137 encePairwiseOnDemand]: 266/270 looper letters, 11 selfloop transitions, 2 changer transitions 0/221 dead transitions.
[2022-11-02 20:59:17,877 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 221 transitions, 477 flow
[2022-11-02 20:59:17,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:17,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions.
[2022-11-02 20:59:17,881 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703
[2022-11-02 20:59:17,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 705 transitions.
[2022-11-02 20:59:17,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 705 transitions.
[2022-11-02 20:59:17,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:17,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 705 transitions.
[2022-11-02 20:59:17,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,890 INFO L175 Difference]: Start difference. First operand has 224 places, 220 transitions, 448 flow. Second operand 3 states and 705 transitions.
[2022-11-02 20:59:17,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 221 transitions, 477 flow
[2022-11-02 20:59:17,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 221 transitions, 473 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:17,906 INFO L231 Difference]: Finished difference. Result has 220 places, 220 transitions, 454 flow
[2022-11-02 20:59:17,906 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=220, PETRI_TRANSITIONS=220}
[2022-11-02 20:59:17,907 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, -15 predicate places.
[2022-11-02 20:59:17,908 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 220 transitions, 454 flow
[2022-11-02 20:59:17,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:17,910 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:17,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:17,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:59:17,911 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:17,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:17,915 INFO L85 PathProgramCache]: Analyzing trace with hash 600728541, now seen corresponding path program 1 times
[2022-11-02 20:59:17,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:17,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575404553]
[2022-11-02 20:59:17,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:17,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:18,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:18,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575404553]
[2022-11-02 20:59:18,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575404553] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:18,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:18,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:18,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900174595]
[2022-11-02 20:59:18,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:18,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:18,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:18,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:18,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:18,147 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 270
[2022-11-02 20:59:18,148 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 220 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:18,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 270
[2022-11-02 20:59:18,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:18,338 INFO L130 PetriNetUnfolder]: 136/628 cut-off events.
[2022-11-02 20:59:18,338 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2022-11-02 20:59:18,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 894 conditions, 628 events. 136/628 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3640 event pairs, 76 based on Foata normal form. 1/573 useless extension candidates. Maximal degree in co-relation 725. Up to 243 conditions per place.
[2022-11-02 20:59:18,346 INFO L137 encePairwiseOnDemand]: 254/270 looper letters, 17 selfloop transitions, 7 changer transitions 8/221 dead transitions.
[2022-11-02 20:59:18,346 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 221 transitions, 514 flow
[2022-11-02 20:59:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions.
[2022-11-02 20:59:18,350 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8407407407407408
[2022-11-02 20:59:18,350 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions.
[2022-11-02 20:59:18,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions.
[2022-11-02 20:59:18,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:18,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions.
[2022-11-02 20:59:18,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,358 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,358 INFO L175 Difference]: Start difference. First operand has 220 places, 220 transitions, 454 flow. Second operand 3 states and 681 transitions.
[2022-11-02 20:59:18,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 221 transitions, 514 flow
[2022-11-02 20:59:18,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 221 transitions, 514 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:59:18,365 INFO L231 Difference]: Finished difference. Result has 215 places, 211 transitions, 466 flow
[2022-11-02 20:59:18,365 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=215, PETRI_TRANSITIONS=211}
[2022-11-02 20:59:18,366 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, -20 predicate places.
[2022-11-02 20:59:18,367 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 211 transitions, 466 flow
[2022-11-02 20:59:18,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,368 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:18,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:18,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:59:18,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:18,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:18,370 INFO L85 PathProgramCache]: Analyzing trace with hash 652844036, now seen corresponding path program 1 times
[2022-11-02 20:59:18,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:18,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844292785]
[2022-11-02 20:59:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:18,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:18,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:18,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844292785]
[2022-11-02 20:59:18,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844292785] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:18,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:18,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:18,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693315718]
[2022-11-02 20:59:18,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:18,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:18,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:18,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:18,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:18,522 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 270
[2022-11-02 20:59:18,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 211 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,524 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:18,524 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 270
[2022-11-02 20:59:18,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:18,751 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([729] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][114], [30#L1843-3true, Black: 253#true, 255#(= |#race~end_time~0| 0), 46#L1803-3true, 71#L1819-3true, 263#true, 258#true])
[2022-11-02 20:59:18,752 INFO L383 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event
[2022-11-02 20:59:18,752 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event
[2022-11-02 20:59:18,752 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event
[2022-11-02 20:59:18,753 INFO L386 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event
[2022-11-02 20:59:18,757 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([673] L1819-2-->L1819-3: Formula: (= |v_#race~end_time~0_1| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_1|} AuxVars[] AssignedVars[#race~end_time~0][107], [Black: 253#true, 30#L1843-3true, 255#(= |#race~end_time~0| 0), 46#L1803-3true, 71#L1819-3true, 263#true, 258#true])
[2022-11-02 20:59:18,757 INFO L383 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event
[2022-11-02 20:59:18,757 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event
[2022-11-02 20:59:18,758 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event
[2022-11-02 20:59:18,759 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event
[2022-11-02 20:59:18,808 INFO L130 PetriNetUnfolder]: 129/1066 cut-off events.
[2022-11-02 20:59:18,812 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES.
[2022-11-02 20:59:18,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1364 conditions, 1066 events. 129/1066 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6783 event pairs, 16 based on Foata normal form. 0/953 useless extension candidates. Maximal degree in co-relation 1180. Up to 142 conditions per place.
[2022-11-02 20:59:18,828 INFO L137 encePairwiseOnDemand]: 264/270 looper letters, 14 selfloop transitions, 4 changer transitions 0/217 dead transitions.
[2022-11-02 20:59:18,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 217 transitions, 516 flow
[2022-11-02 20:59:18,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions.
[2022-11-02 20:59:18,832 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8765432098765432
[2022-11-02 20:59:18,833 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 710 transitions.
[2022-11-02 20:59:18,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 710 transitions.
[2022-11-02 20:59:18,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:18,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 710 transitions.
[2022-11-02 20:59:18,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,848 INFO L175 Difference]: Start difference. First operand has 215 places, 211 transitions, 466 flow. Second operand 3 states and 710 transitions.
[2022-11-02 20:59:18,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 217 transitions, 516 flow
[2022-11-02 20:59:18,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 217 transitions, 516 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:59:18,855 INFO L231 Difference]: Finished difference. Result has 212 places, 213 transitions, 494 flow
[2022-11-02 20:59:18,856 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=212, PETRI_TRANSITIONS=213}
[2022-11-02 20:59:18,858 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, -23 predicate places.
[2022-11-02 20:59:18,858 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 213 transitions, 494 flow
[2022-11-02 20:59:18,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:18,860 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:18,860 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:18,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:59:18,860 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:18,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:18,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1017082619, now seen corresponding path program 1 times
[2022-11-02 20:59:18,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:18,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536876060]
[2022-11-02 20:59:18,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:18,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:19,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:19,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536876060]
[2022-11-02 20:59:19,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536876060] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:19,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:19,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:59:19,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312291130]
[2022-11-02 20:59:19,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:19,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:59:19,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:19,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:59:19,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:59:19,661 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 270
[2022-11-02 20:59:19,663 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 213 transitions, 494 flow. Second operand has 6 states, 6 states have (on average 222.83333333333334) internal successors, (1337), 6 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:19,664 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:19,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 270
[2022-11-02 20:59:19,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:19,907 INFO L130 PetriNetUnfolder]: 71/723 cut-off events.
[2022-11-02 20:59:19,907 INFO L131 PetriNetUnfolder]: For 14/28 co-relation queries the response was YES.
[2022-11-02 20:59:19,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 723 events. 71/723 cut-off events. For 14/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3932 event pairs, 8 based on Foata normal form. 8/663 useless extension candidates. Maximal degree in co-relation 755. Up to 103 conditions per place.
[2022-11-02 20:59:19,920 INFO L137 encePairwiseOnDemand]: 265/270 looper letters, 14 selfloop transitions, 4 changer transitions 0/212 dead transitions.
[2022-11-02 20:59:19,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 212 transitions, 528 flow
[2022-11-02 20:59:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:59:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:59:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1345 transitions.
[2022-11-02 20:59:19,925 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8302469135802469
[2022-11-02 20:59:19,926 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1345 transitions.
[2022-11-02 20:59:19,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1345 transitions.
[2022-11-02 20:59:19,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:19,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1345 transitions.
[2022-11-02 20:59:19,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 224.16666666666666) internal successors, (1345), 6 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:19,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 270.0) internal successors, (1890), 7 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:19,938 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 270.0) internal successors, (1890), 7 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:19,938 INFO L175 Difference]: Start difference. First operand has 212 places, 213 transitions, 494 flow. Second operand 6 states and 1345 transitions.
[2022-11-02 20:59:19,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 212 transitions, 528 flow
[2022-11-02 20:59:19,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 212 transitions, 520 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:19,946 INFO L231 Difference]: Finished difference. Result has 214 places, 212 transitions, 492 flow
[2022-11-02 20:59:19,947 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=214, PETRI_TRANSITIONS=212}
[2022-11-02 20:59:19,948 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, -21 predicate places.
[2022-11-02 20:59:19,951 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 212 transitions, 492 flow
[2022-11-02 20:59:19,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.83333333333334) internal successors, (1337), 6 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:19,954 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:19,954 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:19,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:59:19,955 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:19,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 711901529, now seen corresponding path program 1 times
[2022-11-02 20:59:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:19,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143634288]
[2022-11-02 20:59:19,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:20,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:20,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143634288]
[2022-11-02 20:59:20,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143634288] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:20,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:20,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:20,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057897655]
[2022-11-02 20:59:20,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:20,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:20,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:20,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:20,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:20,100 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 270
[2022-11-02 20:59:20,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 212 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:20,102 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:20,102 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 270
[2022-11-02 20:59:20,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:20,367 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([729] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][118], [30#L1843-3true, Black: 253#true, 255#(= |#race~end_time~0| 0), 269#true, 276#true, 46#L1803-3true, Black: 265#(= |#race~counter~0| 0), 71#L1819-3true, 258#true])
[2022-11-02 20:59:20,367 INFO L383 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event
[2022-11-02 20:59:20,367 INFO L386 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event
[2022-11-02 20:59:20,367 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event
[2022-11-02 20:59:20,368 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event
[2022-11-02 20:59:20,374 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([673] L1819-2-->L1819-3: Formula: (= |v_#race~end_time~0_1| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_1|} AuxVars[] AssignedVars[#race~end_time~0][109], [30#L1843-3true, Black: 253#true, 255#(= |#race~end_time~0| 0), 269#true, 276#true, 46#L1803-3true, Black: 265#(= |#race~counter~0| 0), 71#L1819-3true, 258#true])
[2022-11-02 20:59:20,375 INFO L383 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event
[2022-11-02 20:59:20,375 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event
[2022-11-02 20:59:20,375 INFO L386 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event
[2022-11-02 20:59:20,375 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event
[2022-11-02 20:59:20,452 INFO L130 PetriNetUnfolder]: 148/1264 cut-off events.
[2022-11-02 20:59:20,452 INFO L131 PetriNetUnfolder]: For 44/54 co-relation queries the response was YES.
[2022-11-02 20:59:20,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1264 events. 148/1264 cut-off events. For 44/54 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 8714 event pairs, 21 based on Foata normal form. 2/1147 useless extension candidates. Maximal degree in co-relation 1494. Up to 165 conditions per place.
[2022-11-02 20:59:20,470 INFO L137 encePairwiseOnDemand]: 265/270 looper letters, 19 selfloop transitions, 5 changer transitions 0/220 dead transitions.
[2022-11-02 20:59:20,470 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 220 transitions, 567 flow
[2022-11-02 20:59:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:20,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 704 transitions.
[2022-11-02 20:59:20,473 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8691358024691358
[2022-11-02 20:59:20,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 704 transitions.
[2022-11-02 20:59:20,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 704 transitions.
[2022-11-02 20:59:20,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:20,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 704 transitions.
[2022-11-02 20:59:20,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:20,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:20,483 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:20,483 INFO L175 Difference]: Start difference. First operand has 214 places, 212 transitions, 492 flow. Second operand 3 states and 704 transitions.
[2022-11-02 20:59:20,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 220 transitions, 567 flow
[2022-11-02 20:59:20,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 220 transitions, 560 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:59:20,491 INFO L231 Difference]: Finished difference. Result has 214 places, 216 transitions, 527 flow
[2022-11-02 20:59:20,492 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=214, PETRI_TRANSITIONS=216}
[2022-11-02 20:59:20,495 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, -21 predicate places.
[2022-11-02 20:59:20,496 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 216 transitions, 527 flow
[2022-11-02 20:59:20,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:20,498 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:20,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:20,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:59:20,499 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:20,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:20,499 INFO L85 PathProgramCache]: Analyzing trace with hash 801788470, now seen corresponding path program 1 times
[2022-11-02 20:59:20,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:20,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904594973]
[2022-11-02 20:59:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:21,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:21,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904594973]
[2022-11-02 20:59:21,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904594973] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:21,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:21,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:59:21,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847176599]
[2022-11-02 20:59:21,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:21,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:59:21,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:21,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:59:21,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:59:21,341 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 270
[2022-11-02 20:59:21,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 216 transitions, 527 flow. Second operand has 6 states, 6 states have (on average 223.83333333333334) internal successors, (1343), 6 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:21,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:21,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 270
[2022-11-02 20:59:21,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:21,597 INFO L130 PetriNetUnfolder]: 106/895 cut-off events.
[2022-11-02 20:59:21,597 INFO L131 PetriNetUnfolder]: For 50/71 co-relation queries the response was YES.
[2022-11-02 20:59:21,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 895 events. 106/895 cut-off events. For 50/71 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5370 event pairs, 8 based on Foata normal form. 2/813 useless extension candidates. Maximal degree in co-relation 1020. Up to 134 conditions per place.
[2022-11-02 20:59:21,611 INFO L137 encePairwiseOnDemand]: 265/270 looper letters, 13 selfloop transitions, 4 changer transitions 0/215 dead transitions.
[2022-11-02 20:59:21,611 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 215 transitions, 559 flow
[2022-11-02 20:59:21,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:59:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:59:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1344 transitions.
[2022-11-02 20:59:21,616 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8296296296296296
[2022-11-02 20:59:21,616 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1344 transitions.
[2022-11-02 20:59:21,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1344 transitions.
[2022-11-02 20:59:21,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:21,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1344 transitions.
[2022-11-02 20:59:21,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 224.0) internal successors, (1344), 6 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:21,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 270.0) internal successors, (1890), 7 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:21,626 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 270.0) internal successors, (1890), 7 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:21,626 INFO L175 Difference]: Start difference. First operand has 214 places, 216 transitions, 527 flow. Second operand 6 states and 1344 transitions.
[2022-11-02 20:59:21,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 215 transitions, 559 flow
[2022-11-02 20:59:21,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 215 transitions, 549 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:21,633 INFO L231 Difference]: Finished difference. Result has 216 places, 215 transitions, 523 flow
[2022-11-02 20:59:21,634 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=523, PETRI_PLACES=216, PETRI_TRANSITIONS=215}
[2022-11-02 20:59:21,635 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, -19 predicate places.
[2022-11-02 20:59:21,635 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 215 transitions, 523 flow
[2022-11-02 20:59:21,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.83333333333334) internal successors, (1343), 6 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:21,636 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:21,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:21,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:59:21,637 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:21,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:21,638 INFO L85 PathProgramCache]: Analyzing trace with hash -138375913, now seen corresponding path program 1 times
[2022-11-02 20:59:21,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:21,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203167939]
[2022-11-02 20:59:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:21,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:21,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:21,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203167939]
[2022-11-02 20:59:21,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203167939] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:21,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:21,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:59:21,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418616620]
[2022-11-02 20:59:21,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:21,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:59:21,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:21,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:59:21,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:59:21,999 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 270
[2022-11-02 20:59:22,001 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 215 transitions, 523 flow. Second operand has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:22,001 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:22,001 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 270
[2022-11-02 20:59:22,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:22,737 INFO L130 PetriNetUnfolder]: 317/2582 cut-off events.
[2022-11-02 20:59:22,737 INFO L131 PetriNetUnfolder]: For 81/100 co-relation queries the response was YES.
[2022-11-02 20:59:22,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3632 conditions, 2582 events. 317/2582 cut-off events. For 81/100 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 23221 event pairs, 28 based on Foata normal form. 6/2362 useless extension candidates. Maximal degree in co-relation 3454. Up to 285 conditions per place.
[2022-11-02 20:59:22,768 INFO L137 encePairwiseOnDemand]: 260/270 looper letters, 35 selfloop transitions, 17 changer transitions 3/247 dead transitions.
[2022-11-02 20:59:22,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 247 transitions, 702 flow
[2022-11-02 20:59:22,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:59:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:59:22,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1370 transitions.
[2022-11-02 20:59:22,774 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.845679012345679
[2022-11-02 20:59:22,775 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1370 transitions.
[2022-11-02 20:59:22,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1370 transitions.
[2022-11-02 20:59:22,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:22,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1370 transitions.
[2022-11-02 20:59:22,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:22,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 270.0) internal successors, (1890), 7 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:22,787 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 270.0) internal successors, (1890), 7 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:22,787 INFO L175 Difference]: Start difference. First operand has 216 places, 215 transitions, 523 flow. Second operand 6 states and 1370 transitions.
[2022-11-02 20:59:22,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 247 transitions, 702 flow
[2022-11-02 20:59:22,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 247 transitions, 695 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-02 20:59:22,804 INFO L231 Difference]: Finished difference. Result has 222 places, 231 transitions, 634 flow
[2022-11-02 20:59:22,805 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=634, PETRI_PLACES=222, PETRI_TRANSITIONS=231}
[2022-11-02 20:59:22,809 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, -13 predicate places.
[2022-11-02 20:59:22,810 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 231 transitions, 634 flow
[2022-11-02 20:59:22,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:22,811 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:22,811 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:22,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:59:22,812 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:22,812 INFO L85 PathProgramCache]: Analyzing trace with hash -973040693, now seen corresponding path program 2 times
[2022-11-02 20:59:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:22,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847734745]
[2022-11-02 20:59:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:23,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:23,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847734745]
[2022-11-02 20:59:23,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847734745] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:23,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:23,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:59:23,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561415103]
[2022-11-02 20:59:23,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:23,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:59:23,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:23,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:59:23,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:59:23,212 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 270
[2022-11-02 20:59:23,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 231 transitions, 634 flow. Second operand has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:23,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:23,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 270
[2022-11-02 20:59:23,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:24,178 INFO L130 PetriNetUnfolder]: 403/3380 cut-off events.
[2022-11-02 20:59:24,180 INFO L131 PetriNetUnfolder]: For 683/786 co-relation queries the response was YES.
[2022-11-02 20:59:24,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5299 conditions, 3380 events. 403/3380 cut-off events. For 683/786 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 32820 event pairs, 51 based on Foata normal form. 32/3191 useless extension candidates. Maximal degree in co-relation 5016. Up to 349 conditions per place.
[2022-11-02 20:59:24,227 INFO L137 encePairwiseOnDemand]: 260/270 looper letters, 48 selfloop transitions, 32 changer transitions 2/274 dead transitions.
[2022-11-02 20:59:24,227 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 274 transitions, 988 flow
[2022-11-02 20:59:24,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-11-02 20:59:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2022-11-02 20:59:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2036 transitions.
[2022-11-02 20:59:24,234 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8378600823045268
[2022-11-02 20:59:24,234 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2036 transitions.
[2022-11-02 20:59:24,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2036 transitions.
[2022-11-02 20:59:24,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:24,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2036 transitions.
[2022-11-02 20:59:24,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 226.22222222222223) internal successors, (2036), 9 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:24,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 270.0) internal successors, (2700), 10 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:24,250 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 270.0) internal successors, (2700), 10 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:24,250 INFO L175 Difference]: Start difference. First operand has 222 places, 231 transitions, 634 flow. Second operand 9 states and 2036 transitions.
[2022-11-02 20:59:24,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 274 transitions, 988 flow
[2022-11-02 20:59:24,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 274 transitions, 988 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:59:24,262 INFO L231 Difference]: Finished difference. Result has 238 places, 256 transitions, 920 flow
[2022-11-02 20:59:24,263 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=920, PETRI_PLACES=238, PETRI_TRANSITIONS=256}
[2022-11-02 20:59:24,264 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, 3 predicate places.
[2022-11-02 20:59:24,265 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 256 transitions, 920 flow
[2022-11-02 20:59:24,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:24,266 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:24,266 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:24,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:59:24,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:24,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash 100876199, now seen corresponding path program 1 times
[2022-11-02 20:59:24,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:24,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124223735]
[2022-11-02 20:59:24,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:24,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:24,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:24,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124223735]
[2022-11-02 20:59:24,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124223735] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:24,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:24,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:59:24,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726613226]
[2022-11-02 20:59:24,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:24,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:59:24,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:24,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:59:24,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:59:24,666 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 270
[2022-11-02 20:59:24,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 256 transitions, 920 flow. Second operand has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:24,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:24,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 270
[2022-11-02 20:59:24,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:25,953 INFO L130 PetriNetUnfolder]: 496/3917 cut-off events.
[2022-11-02 20:59:25,953 INFO L131 PetriNetUnfolder]: For 2680/2946 co-relation queries the response was YES.
[2022-11-02 20:59:26,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6875 conditions, 3917 events. 496/3917 cut-off events. For 2680/2946 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 39228 event pairs, 43 based on Foata normal form. 61/3707 useless extension candidates. Maximal degree in co-relation 6567. Up to 408 conditions per place.
[2022-11-02 20:59:26,030 INFO L137 encePairwiseOnDemand]: 257/270 looper letters, 47 selfloop transitions, 68 changer transitions 3/310 dead transitions.
[2022-11-02 20:59:26,031 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 310 transitions, 1542 flow
[2022-11-02 20:59:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:59:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2022-11-02 20:59:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1606 transitions.
[2022-11-02 20:59:26,037 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8497354497354498
[2022-11-02 20:59:26,037 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1606 transitions.
[2022-11-02 20:59:26,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1606 transitions.
[2022-11-02 20:59:26,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:26,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1606 transitions.
[2022-11-02 20:59:26,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 229.42857142857142) internal successors, (1606), 7 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:26,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 270.0) internal successors, (2160), 8 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:26,052 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 270.0) internal successors, (2160), 8 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:26,052 INFO L175 Difference]: Start difference. First operand has 238 places, 256 transitions, 920 flow. Second operand 7 states and 1606 transitions.
[2022-11-02 20:59:26,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 310 transitions, 1542 flow
[2022-11-02 20:59:26,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 310 transitions, 1492 flow, removed 25 selfloop flow, removed 0 redundant places.
[2022-11-02 20:59:26,080 INFO L231 Difference]: Finished difference. Result has 250 places, 293 transitions, 1501 flow
[2022-11-02 20:59:26,081 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1501, PETRI_PLACES=250, PETRI_TRANSITIONS=293}
[2022-11-02 20:59:26,082 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, 15 predicate places.
[2022-11-02 20:59:26,082 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 293 transitions, 1501 flow
[2022-11-02 20:59:26,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:26,083 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:26,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:26,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-11-02 20:59:26,084 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2022-11-02 20:59:26,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:26,085 INFO L85 PathProgramCache]: Analyzing trace with hash 187242159, now seen corresponding path program 2 times
[2022-11-02 20:59:26,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:26,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627045612]
[2022-11-02 20:59:26,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:26,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:26,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:26,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627045612]
[2022-11-02 20:59:26,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627045612] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:26,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:26,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:59:26,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599123753]
[2022-11-02 20:59:26,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:26,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:59:26,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:26,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:59:26,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:59:26,485 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 270
[2022-11-02 20:59:26,487 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 293 transitions, 1501 flow. Second operand has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:26,488 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:26,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 270
[2022-11-02 20:59:26,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:27,490 INFO L130 PetriNetUnfolder]: 376/3307 cut-off events.
[2022-11-02 20:59:27,491 INFO L131 PetriNetUnfolder]: For 4836/5059 co-relation queries the response was YES.
[2022-11-02 20:59:27,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6142 conditions, 3307 events. 376/3307 cut-off events. For 4836/5059 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 32082 event pairs, 45 based on Foata normal form. 75/3156 useless extension candidates. Maximal degree in co-relation 5791. Up to 348 conditions per place.
[2022-11-02 20:59:27,548 INFO L137 encePairwiseOnDemand]: 260/270 looper letters, 0 selfloop transitions, 0 changer transitions 297/297 dead transitions.
[2022-11-02 20:59:27,549 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 297 transitions, 1780 flow
[2022-11-02 20:59:27,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:59:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2022-11-02 20:59:27,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1598 transitions.
[2022-11-02 20:59:27,554 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8455026455026455
[2022-11-02 20:59:27,554 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1598 transitions.
[2022-11-02 20:59:27,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1598 transitions.
[2022-11-02 20:59:27,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:27,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1598 transitions.
[2022-11-02 20:59:27,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 228.28571428571428) internal successors, (1598), 7 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:27,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 270.0) internal successors, (2160), 8 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:27,587 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 270.0) internal successors, (2160), 8 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:27,587 INFO L175 Difference]: Start difference. First operand has 250 places, 293 transitions, 1501 flow. Second operand 7 states and 1598 transitions.
[2022-11-02 20:59:27,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 297 transitions, 1780 flow
[2022-11-02 20:59:27,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 297 transitions, 1581 flow, removed 16 selfloop flow, removed 7 redundant places.
[2022-11-02 20:59:27,622 INFO L231 Difference]: Finished difference. Result has 247 places, 0 transitions, 0 flow
[2022-11-02 20:59:27,622 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=1202, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=247, PETRI_TRANSITIONS=0}
[2022-11-02 20:59:27,623 INFO L287 CegarLoopForPetriNet]: 235 programPoint places, 12 predicate places.
[2022-11-02 20:59:27,624 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 0 transitions, 0 flow
[2022-11-02 20:59:27,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:59:27,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining)
[2022-11-02 20:59:27,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining)
[2022-11-02 20:59:27,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining)
[2022-11-02 20:59:27,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining)
[2022-11-02 20:59:27,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining)
[2022-11-02 20:59:27,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining)
[2022-11-02 20:59:27,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining)
[2022-11-02 20:59:27,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining)
[2022-11-02 20:59:27,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining)
[2022-11-02 20:59:27,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining)
[2022-11-02 20:59:27,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining)
[2022-11-02 20:59:27,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining)
[2022-11-02 20:59:27,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining)
[2022-11-02 20:59:27,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining)
[2022-11-02 20:59:27,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining)
[2022-11-02 20:59:27,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining)
[2022-11-02 20:59:27,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining)
[2022-11-02 20:59:27,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining)
[2022-11-02 20:59:27,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining)
[2022-11-02 20:59:27,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining)
[2022-11-02 20:59:27,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining)
[2022-11-02 20:59:27,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining)
[2022-11-02 20:59:27,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining)
[2022-11-02 20:59:27,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining)
[2022-11-02 20:59:27,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining)
[2022-11-02 20:59:27,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining)
[2022-11-02 20:59:27,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining)
[2022-11-02 20:59:27,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-02 20:59:27,642 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:27,649 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 20:59:27,649 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:59:27,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:59:27 BasicIcfg
[2022-11-02 20:59:27,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:59:27,657 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:59:27,657 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:59:27,657 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:59:27,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:16" (3/4) ...
[2022-11-02 20:59:27,661 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:59:27,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure monitor_thread
[2022-11-02 20:59:27,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure counter_thread
[2022-11-02 20:59:27,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges
[2022-11-02 20:59:27,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:59:27,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:59:27,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:59:27,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:59:27,737 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:59:27,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:59:27,739 INFO L158 Benchmark]: Toolchain (without parser) took 14980.27ms. Allocated memory was 92.3MB in the beginning and 425.7MB in the end (delta: 333.4MB). Free memory was 56.2MB in the beginning and 140.8MB in the end (delta: -84.7MB). Peak memory consumption was 247.3MB. Max. memory is 16.1GB.
[2022-11-02 20:59:27,739 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:59:27,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2213.18ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.0MB in the beginning and 92.9MB in the end (delta: -36.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB.
[2022-11-02 20:59:27,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.28ms. Allocated memory is still 123.7MB. Free memory was 92.9MB in the beginning and 89.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:59:27,741 INFO L158 Benchmark]: Boogie Preprocessor took 57.37ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 85.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:59:27,741 INFO L158 Benchmark]: RCFGBuilder took 1031.53ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 59.2MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2022-11-02 20:59:27,742 INFO L158 Benchmark]: TraceAbstraction took 11476.40ms. Allocated memory was 123.7MB in the beginning and 425.7MB in the end (delta: 302.0MB). Free memory was 58.5MB in the beginning and 144.0MB in the end (delta: -85.5MB). Peak memory consumption was 218.1MB. Max. memory is 16.1GB.
[2022-11-02 20:59:27,742 INFO L158 Benchmark]: Witness Printer took 80.77ms. Allocated memory is still 425.7MB. Free memory was 144.0MB in the beginning and 140.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:59:27,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 2213.18ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.0MB in the beginning and 92.9MB in the end (delta: -36.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 112.28ms. Allocated memory is still 123.7MB. Free memory was 92.9MB in the beginning and 89.3MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 57.37ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 85.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1031.53ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 59.2MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 11476.40ms. Allocated memory was 123.7MB in the beginning and 425.7MB in the end (delta: 302.0MB). Free memory was 58.5MB in the beginning and 144.0MB in the end (delta: -85.5MB). Peak memory consumption was 218.1MB. Max. memory is 16.1GB.
* Witness Printer took 80.77ms. Allocated memory is still 425.7MB. Free memory was 144.0MB in the beginning and 140.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 1819]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1824]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1825]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1828]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1803]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1806]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1808]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1811]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1808]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1839]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1842]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1845]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1846]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1848]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1849]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 1851]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 345 locations, 27 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: 11.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 473 IncrementalHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 163 mSDtfsCounter, 473 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1501occurred in iteration=10, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 967 NumberOfCodeBlocks, 967 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 956 ConstructedInterpolants, 0 QuantifiedInterpolants, 1461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
16 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:59:27,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ec70de-c17c-49dc-bbb5-e880dbaa6752/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE