./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version e04fb08f
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_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8 --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 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301
--- 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-e04fb08
[2022-11-16 11:49:36,038 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-16 11:49:36,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-16 11:49:36,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-16 11:49:36,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-16 11:49:36,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-16 11:49:36,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-16 11:49:36,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-16 11:49:36,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-16 11:49:36,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-16 11:49:36,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-16 11:49:36,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-16 11:49:36,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-16 11:49:36,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-16 11:49:36,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-16 11:49:36,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-16 11:49:36,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-16 11:49:36,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-16 11:49:36,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-16 11:49:36,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-16 11:49:36,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-16 11:49:36,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-16 11:49:36,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-16 11:49:36,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-16 11:49:36,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-16 11:49:36,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-16 11:49:36,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-16 11:49:36,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-16 11:49:36,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-16 11:49:36,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-16 11:49:36,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-16 11:49:36,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-16 11:49:36,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-16 11:49:36,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-16 11:49:36,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-16 11:49:36,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-16 11:49:36,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-16 11:49:36,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-16 11:49:36,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-16 11:49:36,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-16 11:49:36,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-16 11:49:36,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-11-16 11:49:36,166 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-16 11:49:36,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-16 11:49:36,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-16 11:49:36,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-16 11:49:36,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-16 11:49:36,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-16 11:49:36,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-16 11:49:36,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-16 11:49:36,169 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-16 11:49:36,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-16 11:49:36,171 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-16 11:49:36,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-16 11:49:36,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-16 11:49:36,171 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-16 11:49:36,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-16 11:49:36,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-16 11:49:36,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-16 11:49:36,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-16 11:49:36,172 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2022-11-16 11:49:36,172 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-16 11:49:36,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-16 11:49:36,173 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-16 11:49:36,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-16 11:49:36,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-16 11:49:36,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-16 11:49:36,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-16 11:49:36,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-16 11:49:36,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-16 11:49:36,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-16 11:49:36,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-16 11:49:36,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-16 11:49:36,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-16 11:49:36,177 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-16 11:49:36,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-16 11:49:36,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-16 11:49:36,177 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_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301
[2022-11-16 11:49:36,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-16 11:49:36,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-16 11:49:36,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-16 11:49:36,478 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-16 11:49:36,479 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-16 11:49:36,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i
[2022-11-16 11:49:36,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/data/55cdc1439/46747a60d1d545398d27d2898e1caa7d/FLAG69e4b32be
[2022-11-16 11:49:37,020 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-16 11:49:37,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i
[2022-11-16 11:49:37,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/data/55cdc1439/46747a60d1d545398d27d2898e1caa7d/FLAG69e4b32be
[2022-11-16 11:49:37,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/data/55cdc1439/46747a60d1d545398d27d2898e1caa7d
[2022-11-16 11:49:37,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-16 11:49:37,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-16 11:49:37,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-16 11:49:37,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-16 11:49:37,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-16 11:49:37,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2f7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37, skipping insertion in model container
[2022-11-16 11:49:37,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-16 11:49:37,410 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-16 11:49:37,656 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-16 11:49:37,787 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257]
[2022-11-16 11:49:37,795 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-16 11:49:37,803 INFO L203 MainTranslator]: Completed pre-run
[2022-11-16 11:49:37,817 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-16 11:49:37,838 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257]
[2022-11-16 11:49:37,847 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-16 11:49:37,878 INFO L208 MainTranslator]: Completed translation
[2022-11-16 11:49:37,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37 WrapperNode
[2022-11-16 11:49:37,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-16 11:49:37,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-16 11:49:37,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-16 11:49:37,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-16 11:49:37,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,927 INFO L138 Inliner]: procedures = 174, calls = 51, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 183
[2022-11-16 11:49:37,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-16 11:49:37,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-16 11:49:37,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-16 11:49:37,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-16 11:49:37,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,954 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-16 11:49:37,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-16 11:49:37,959 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-16 11:49:37,960 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-16 11:49:37,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (1/1) ...
[2022-11-16 11:49:37,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-16 11:49:37,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/z3
[2022-11-16 11:49:38,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-16 11:49:38,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-16 11:49:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-16 11:49:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-16 11:49:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-16 11:49:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-16 11:49:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure reader
[2022-11-16 11:49:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reader
[2022-11-16 11:49:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-16 11:49:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-16 11:49:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-16 11:49:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-16 11:49:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-16 11:49:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-16 11:49:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure writer
[2022-11-16 11:49:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure writer
[2022-11-16 11:49:38,065 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-16 11:49:38,190 INFO L235 CfgBuilder]: Building ICFG
[2022-11-16 11:49:38,194 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-16 11:49:38,545 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-16 11:49:38,663 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-16 11:49:38,663 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-16 11:49:38,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:38 BoogieIcfgContainer
[2022-11-16 11:49:38,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-16 11:49:38,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-16 11:49:38,668 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-16 11:49:38,677 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-16 11:49:38,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:49:37" (1/3) ...
[2022-11-16 11:49:38,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da5940e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:49:38, skipping insertion in model container
[2022-11-16 11:49:38,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:37" (2/3) ...
[2022-11-16 11:49:38,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da5940e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:49:38, skipping insertion in model container
[2022-11-16 11:49:38,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:38" (3/3) ...
[2022-11-16 11:49:38,681 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i
[2022-11-16 11:49:38,693 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-16 11:49:38,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-16 11:49:38,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations.
[2022-11-16 11:49:38,704 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-16 11:49:38,820 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-11-16 11:49:38,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 175 places, 164 transitions, 360 flow
[2022-11-16 11:49:39,016 INFO L130 PetriNetUnfolder]: 2/160 cut-off events.
[2022-11-16 11:49:39,016 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2022-11-16 11:49:39,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 160 events. 2/160 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 219 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place.
[2022-11-16 11:49:39,025 INFO L82 GeneralOperation]: Start removeDead. Operand has 175 places, 164 transitions, 360 flow
[2022-11-16 11:49:39,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 146 transitions, 313 flow
[2022-11-16 11:49:39,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-16 11:49:39,066 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;@1ad890a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-16 11:49:39,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations.
[2022-11-16 11:49:39,086 INFO L130 PetriNetUnfolder]: 0/27 cut-off events.
[2022-11-16 11:49:39,086 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-16 11:49:39,087 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-16 11:49:39,087 INFO L209 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]
[2022-11-16 11:49:39,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2022-11-16 11:49:39,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 11:49:39,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1005254828, now seen corresponding path program 1 times
[2022-11-16 11:49:39,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 11:49:39,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431332963]
[2022-11-16 11:49:39,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 11:49:39,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 11:49:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 11:49:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 11:49:39,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 11:49:39,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431332963]
[2022-11-16 11:49:39,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431332963] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 11:49:39,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 11:49:39,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-16 11:49:39,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658401670]
[2022-11-16 11:49:39,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 11:49:39,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-16 11:49:39,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 11:49:39,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-16 11:49:39,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-16 11:49:39,441 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 164
[2022-11-16 11:49:39,444 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 146 transitions, 313 flow. Second operand has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:39,444 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-16 11:49:39,444 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 164
[2022-11-16 11:49:39,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-16 11:49:40,843 INFO L130 PetriNetUnfolder]: 3363/6030 cut-off events.
[2022-11-16 11:49:40,844 INFO L131 PetriNetUnfolder]: For 1125/1197 co-relation queries the response was YES.
[2022-11-16 11:49:40,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11509 conditions, 6030 events. 3363/6030 cut-off events. For 1125/1197 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 44701 event pairs, 3363 based on Foata normal form. 345/6133 useless extension candidates. Maximal degree in co-relation 11132. Up to 4848 conditions per place.
[2022-11-16 11:49:40,919 INFO L137 encePairwiseOnDemand]: 134/164 looper letters, 27 selfloop transitions, 0 changer transitions 0/116 dead transitions.
[2022-11-16 11:49:40,920 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 116 transitions, 307 flow
[2022-11-16 11:49:40,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-16 11:49:40,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2022-11-16 11:49:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 269 transitions.
[2022-11-16 11:49:40,941 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8201219512195121
[2022-11-16 11:49:40,942 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 269 transitions.
[2022-11-16 11:49:40,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 269 transitions.
[2022-11-16 11:49:40,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-16 11:49:40,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 269 transitions.
[2022-11-16 11:49:40,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 134.5) internal successors, (269), 2 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:40,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:40,959 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:40,961 INFO L175 Difference]: Start difference. First operand has 157 places, 146 transitions, 313 flow. Second operand 2 states and 269 transitions.
[2022-11-16 11:49:40,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 116 transitions, 307 flow
[2022-11-16 11:49:40,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 116 transitions, 294 flow, removed 0 selfloop flow, removed 7 redundant places.
[2022-11-16 11:49:40,975 INFO L231 Difference]: Finished difference. Result has 123 places, 116 transitions, 240 flow
[2022-11-16 11:49:40,977 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=240, PETRI_PLACES=123, PETRI_TRANSITIONS=116}
[2022-11-16 11:49:40,981 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -34 predicate places.
[2022-11-16 11:49:40,982 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 116 transitions, 240 flow
[2022-11-16 11:49:40,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:40,983 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-16 11:49:40,983 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 11:49:40,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-16 11:49:40,984 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2022-11-16 11:49:40,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 11:49:40,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2103386322, now seen corresponding path program 1 times
[2022-11-16 11:49:40,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 11:49:40,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341484614]
[2022-11-16 11:49:40,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 11:49:40,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 11:49:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 11:49:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 11:49:41,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 11:49:41,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341484614]
[2022-11-16 11:49:41,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341484614] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 11:49:41,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 11:49:41,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-16 11:49:41,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764099178]
[2022-11-16 11:49:41,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 11:49:41,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-16 11:49:41,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 11:49:41,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-16 11:49:41,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-16 11:49:41,883 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 164
[2022-11-16 11:49:41,884 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 240 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:41,885 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-16 11:49:41,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 164
[2022-11-16 11:49:41,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-16 11:49:47,574 INFO L130 PetriNetUnfolder]: 27525/39015 cut-off events.
[2022-11-16 11:49:47,574 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-16 11:49:47,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76243 conditions, 39015 events. 27525/39015 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1230. Compared 253854 event pairs, 5992 based on Foata normal form. 0/38411 useless extension candidates. Maximal degree in co-relation 76240. Up to 15669 conditions per place.
[2022-11-16 11:49:47,857 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 129 selfloop transitions, 4 changer transitions 1/195 dead transitions.
[2022-11-16 11:49:47,858 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 195 transitions, 666 flow
[2022-11-16 11:49:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-16 11:49:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-16 11:49:47,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 591 transitions.
[2022-11-16 11:49:47,861 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.600609756097561
[2022-11-16 11:49:47,861 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 591 transitions.
[2022-11-16 11:49:47,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 591 transitions.
[2022-11-16 11:49:47,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-16 11:49:47,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 591 transitions.
[2022-11-16 11:49:47,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:47,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:47,867 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:47,868 INFO L175 Difference]: Start difference. First operand has 123 places, 116 transitions, 240 flow. Second operand 6 states and 591 transitions.
[2022-11-16 11:49:47,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 195 transitions, 666 flow
[2022-11-16 11:49:47,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 195 transitions, 666 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-16 11:49:47,872 INFO L231 Difference]: Finished difference. Result has 127 places, 114 transitions, 244 flow
[2022-11-16 11:49:47,873 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=244, PETRI_PLACES=127, PETRI_TRANSITIONS=114}
[2022-11-16 11:49:47,874 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -30 predicate places.
[2022-11-16 11:49:47,874 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 114 transitions, 244 flow
[2022-11-16 11:49:47,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:47,875 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-16 11:49:47,875 INFO L209 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]
[2022-11-16 11:49:47,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-16 11:49:47,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2022-11-16 11:49:47,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 11:49:47,876 INFO L85 PathProgramCache]: Analyzing trace with hash -5083614, now seen corresponding path program 1 times
[2022-11-16 11:49:47,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 11:49:47,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464473109]
[2022-11-16 11:49:47,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 11:49:47,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 11:49:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 11:49:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 11:49:48,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 11:49:48,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464473109]
[2022-11-16 11:49:48,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464473109] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 11:49:48,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 11:49:48,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-16 11:49:48,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164581205]
[2022-11-16 11:49:48,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 11:49:48,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-16 11:49:48,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 11:49:48,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-16 11:49:48,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-16 11:49:48,428 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 164
[2022-11-16 11:49:48,429 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 114 transitions, 244 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:48,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-16 11:49:48,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 164
[2022-11-16 11:49:48,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-16 11:49:52,937 INFO L130 PetriNetUnfolder]: 24193/36233 cut-off events.
[2022-11-16 11:49:52,938 INFO L131 PetriNetUnfolder]: For 3228/3228 co-relation queries the response was YES.
[2022-11-16 11:49:53,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73197 conditions, 36233 events. 24193/36233 cut-off events. For 3228/3228 co-relation queries the response was YES. Maximal size of possible extension queue 1217. Compared 253879 event pairs, 20587 based on Foata normal form. 0/35354 useless extension candidates. Maximal degree in co-relation 73193. Up to 27414 conditions per place.
[2022-11-16 11:49:53,131 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 116 selfloop transitions, 4 changer transitions 0/181 dead transitions.
[2022-11-16 11:49:53,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 181 transitions, 618 flow
[2022-11-16 11:49:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-16 11:49:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-16 11:49:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 577 transitions.
[2022-11-16 11:49:53,134 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5863821138211383
[2022-11-16 11:49:53,134 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 577 transitions.
[2022-11-16 11:49:53,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 577 transitions.
[2022-11-16 11:49:53,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-16 11:49:53,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 577 transitions.
[2022-11-16 11:49:53,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:53,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:53,139 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:53,140 INFO L175 Difference]: Start difference. First operand has 127 places, 114 transitions, 244 flow. Second operand 6 states and 577 transitions.
[2022-11-16 11:49:53,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 181 transitions, 618 flow
[2022-11-16 11:49:53,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 181 transitions, 611 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-16 11:49:53,149 INFO L231 Difference]: Finished difference. Result has 126 places, 113 transitions, 243 flow
[2022-11-16 11:49:53,150 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=243, PETRI_PLACES=126, PETRI_TRANSITIONS=113}
[2022-11-16 11:49:53,151 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -31 predicate places.
[2022-11-16 11:49:53,151 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 113 transitions, 243 flow
[2022-11-16 11:49:53,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:53,152 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-16 11:49:53,152 INFO L209 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]
[2022-11-16 11:49:53,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-16 11:49:53,152 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2022-11-16 11:49:53,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 11:49:53,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1290752629, now seen corresponding path program 1 times
[2022-11-16 11:49:53,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 11:49:53,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258315234]
[2022-11-16 11:49:53,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 11:49:53,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 11:49:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 11:49:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 11:49:53,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 11:49:53,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258315234]
[2022-11-16 11:49:53,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258315234] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 11:49:53,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 11:49:53,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-16 11:49:53,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341694195]
[2022-11-16 11:49:53,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 11:49:53,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-16 11:49:53,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 11:49:53,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-16 11:49:53,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-16 11:49:53,608 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 164
[2022-11-16 11:49:53,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 113 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 81.83333333333333) internal successors, (491), 6 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:53,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-16 11:49:53,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 164
[2022-11-16 11:49:53,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-16 11:49:57,509 INFO L130 PetriNetUnfolder]: 23602/35769 cut-off events.
[2022-11-16 11:49:57,509 INFO L131 PetriNetUnfolder]: For 288/288 co-relation queries the response was YES.
[2022-11-16 11:49:57,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69866 conditions, 35769 events. 23602/35769 cut-off events. For 288/288 co-relation queries the response was YES. Maximal size of possible extension queue 1212. Compared 253668 event pairs, 23300 based on Foata normal form. 0/34809 useless extension candidates. Maximal degree in co-relation 69862. Up to 31243 conditions per place.
[2022-11-16 11:49:57,698 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 87 selfloop transitions, 4 changer transitions 0/152 dead transitions.
[2022-11-16 11:49:57,699 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 152 transitions, 503 flow
[2022-11-16 11:49:57,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-16 11:49:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-16 11:49:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 548 transitions.
[2022-11-16 11:49:57,701 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.556910569105691
[2022-11-16 11:49:57,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 548 transitions.
[2022-11-16 11:49:57,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 548 transitions.
[2022-11-16 11:49:57,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-16 11:49:57,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 548 transitions.
[2022-11-16 11:49:57,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:57,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:57,706 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:57,707 INFO L175 Difference]: Start difference. First operand has 126 places, 113 transitions, 243 flow. Second operand 6 states and 548 transitions.
[2022-11-16 11:49:57,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 152 transitions, 503 flow
[2022-11-16 11:49:57,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 152 transitions, 496 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-16 11:49:57,743 INFO L231 Difference]: Finished difference. Result has 126 places, 112 transitions, 242 flow
[2022-11-16 11:49:57,744 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=242, PETRI_PLACES=126, PETRI_TRANSITIONS=112}
[2022-11-16 11:49:57,744 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -31 predicate places.
[2022-11-16 11:49:57,745 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 112 transitions, 242 flow
[2022-11-16 11:49:57,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.83333333333333) internal successors, (491), 6 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:57,745 INFO L201 CegarLoopForPetriNet]: Found error trace
[2022-11-16 11:49:57,746 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 11:49:57,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-16 11:49:57,746 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2022-11-16 11:49:57,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 11:49:57,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1710214158, now seen corresponding path program 1 times
[2022-11-16 11:49:57,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 11:49:57,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83105498]
[2022-11-16 11:49:57,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 11:49:57,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 11:49:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 11:49:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 11:49:58,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 11:49:58,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83105498]
[2022-11-16 11:49:58,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83105498] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 11:49:58,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 11:49:58,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-16 11:49:58,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740139955]
[2022-11-16 11:49:58,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 11:49:58,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-16 11:49:58,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 11:49:58,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-16 11:49:58,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-16 11:49:58,503 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 164
[2022-11-16 11:49:58,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 112 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:49:58,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-16 11:49:58,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 164
[2022-11-16 11:49:58,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-16 11:50:02,071 INFO L130 PetriNetUnfolder]: 23802/36323 cut-off events.
[2022-11-16 11:50:02,072 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES.
[2022-11-16 11:50:02,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70044 conditions, 36323 events. 23802/36323 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 1194. Compared 259291 event pairs, 23774 based on Foata normal form. 8/35529 useless extension candidates. Maximal degree in co-relation 70040. Up to 31957 conditions per place.
[2022-11-16 11:50:02,165 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 0 selfloop transitions, 0 changer transitions 139/139 dead transitions.
[2022-11-16 11:50:02,165 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 139 transitions, 452 flow
[2022-11-16 11:50:02,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-16 11:50:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-16 11:50:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 535 transitions.
[2022-11-16 11:50:02,167 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5436991869918699
[2022-11-16 11:50:02,168 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 535 transitions.
[2022-11-16 11:50:02,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 535 transitions.
[2022-11-16 11:50:02,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-16 11:50:02,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 535 transitions.
[2022-11-16 11:50:02,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:50:02,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:50:02,173 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:50:02,173 INFO L175 Difference]: Start difference. First operand has 126 places, 112 transitions, 242 flow. Second operand 6 states and 535 transitions.
[2022-11-16 11:50:02,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 139 transitions, 452 flow
[2022-11-16 11:50:02,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 139 transitions, 445 flow, removed 0 selfloop flow, removed 4 redundant places.
[2022-11-16 11:50:02,176 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow
[2022-11-16 11:50:02,176 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0}
[2022-11-16 11:50:02,177 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -31 predicate places.
[2022-11-16 11:50:02,177 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow
[2022-11-16 11:50:02,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-16 11:50:02,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining)
[2022-11-16 11:50:02,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining)
[2022-11-16 11:50:02,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining)
[2022-11-16 11:50:02,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining)
[2022-11-16 11:50:02,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining)
[2022-11-16 11:50:02,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining)
[2022-11-16 11:50:02,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining)
[2022-11-16 11:50:02,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining)
[2022-11-16 11:50:02,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining)
[2022-11-16 11:50:02,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining)
[2022-11-16 11:50:02,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining)
[2022-11-16 11:50:02,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining)
[2022-11-16 11:50:02,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining)
[2022-11-16 11:50:02,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 50 remaining)
[2022-11-16 11:50:02,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 50 remaining)
[2022-11-16 11:50:02,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 50 remaining)
[2022-11-16 11:50:02,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 50 remaining)
[2022-11-16 11:50:02,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining)
[2022-11-16 11:50:02,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining)
[2022-11-16 11:50:02,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining)
[2022-11-16 11:50:02,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining)
[2022-11-16 11:50:02,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining)
[2022-11-16 11:50:02,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining)
[2022-11-16 11:50:02,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining)
[2022-11-16 11:50:02,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining)
[2022-11-16 11:50:02,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining)
[2022-11-16 11:50:02,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining)
[2022-11-16 11:50:02,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining)
[2022-11-16 11:50:02,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining)
[2022-11-16 11:50:02,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining)
[2022-11-16 11:50:02,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining)
[2022-11-16 11:50:02,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining)
[2022-11-16 11:50:02,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining)
[2022-11-16 11:50:02,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining)
[2022-11-16 11:50:02,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining)
[2022-11-16 11:50:02,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining)
[2022-11-16 11:50:02,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining)
[2022-11-16 11:50:02,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining)
[2022-11-16 11:50:02,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining)
[2022-11-16 11:50:02,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining)
[2022-11-16 11:50:02,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining)
[2022-11-16 11:50:02,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining)
[2022-11-16 11:50:02,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining)
[2022-11-16 11:50:02,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining)
[2022-11-16 11:50:02,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining)
[2022-11-16 11:50:02,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining)
[2022-11-16 11:50:02,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining)
[2022-11-16 11:50:02,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining)
[2022-11-16 11:50:02,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining)
[2022-11-16 11:50:02,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining)
[2022-11-16 11:50:02,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-16 11:50:02,193 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-11-16 11:50:02,199 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-16 11:50:02,199 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-16 11:50:02,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:50:02 BasicIcfg
[2022-11-16 11:50:02,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-16 11:50:02,205 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-16 11:50:02,206 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-16 11:50:02,206 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-16 11:50:02,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:38" (3/4) ...
[2022-11-16 11:50:02,209 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-16 11:50:02,214 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader
[2022-11-16 11:50:02,215 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer
[2022-11-16 11:50:02,219 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges
[2022-11-16 11:50:02,220 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-16 11:50:02,220 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-16 11:50:02,220 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-16 11:50:02,252 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/witness.graphml
[2022-11-16 11:50:02,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-16 11:50:02,253 INFO L158 Benchmark]: Toolchain (without parser) took 24895.06ms. Allocated memory was 127.9MB in the beginning and 9.9GB in the end (delta: 9.8GB). Free memory was 87.8MB in the beginning and 8.4GB in the end (delta: -8.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB.
[2022-11-16 11:50:02,253 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 127.9MB. Free memory was 106.5MB in the beginning and 106.4MB in the end (delta: 70.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-16 11:50:02,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.47ms. Allocated memory is still 127.9MB. Free memory was 87.5MB in the beginning and 92.6MB in the end (delta: -5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-16 11:50:02,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.18ms. Allocated memory is still 127.9MB. Free memory was 92.6MB in the beginning and 90.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-16 11:50:02,255 INFO L158 Benchmark]: Boogie Preprocessor took 30.67ms. Allocated memory is still 127.9MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-16 11:50:02,255 INFO L158 Benchmark]: RCFGBuilder took 706.62ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 61.1MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2022-11-16 11:50:02,255 INFO L158 Benchmark]: TraceAbstraction took 23536.98ms. Allocated memory was 127.9MB in the beginning and 9.9GB in the end (delta: 9.8GB). Free memory was 60.3MB in the beginning and 8.4GB in the end (delta: -8.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB.
[2022-11-16 11:50:02,256 INFO L158 Benchmark]: Witness Printer took 46.71ms. Allocated memory is still 9.9GB. Free memory was 8.4GB in the beginning and 8.4GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-16 11:50:02,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 127.9MB. Free memory was 106.5MB in the beginning and 106.4MB in the end (delta: 70.7kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 519.47ms. Allocated memory is still 127.9MB. Free memory was 87.5MB in the beginning and 92.6MB in the end (delta: -5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 48.18ms. Allocated memory is still 127.9MB. Free memory was 92.6MB in the beginning and 90.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.67ms. Allocated memory is still 127.9MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 706.62ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 61.1MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 23536.98ms. Allocated memory was 127.9MB in the beginning and 9.9GB in the end (delta: 9.8GB). Free memory was 60.3MB in the beginning and 8.4GB in the end (delta: -8.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB.
* Witness Printer took 46.71ms. Allocated memory is still 9.9GB. Free memory was 8.4GB in the beginning and 8.4GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 710]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 711]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 711]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 727]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 730]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 733]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 736]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 740]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 743]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 753]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 754]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 755]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 756]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 706]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 706]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 707]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 716]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 719]: 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 7 procedures, 202 locations, 50 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: 23.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1030 IncrementalHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 50 mSDtfsCounter, 1030 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 322 NumberOfCodeBlocks, 322 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 641 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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
18 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-16 11:50:02,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d7baa6-5c2a-4705-b28a-13b9ef0a5128/bin/uautomizer-tPACEb0tL8/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