./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3884759389c7a3b94642e5e46b4f06a5e829be11d2d026f21d000ba598ae6cd
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:38:47,192 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:38:47,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-24 00:38:47,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:38:47,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:38:47,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:38:47,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:38:47,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:38:47,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:38:47,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:38:47,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:38:47,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:38:47,305 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:38:47,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:38:47,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:38:47,306 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:38:47,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:38:47,306 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:38:47,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:38:47,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:38:47,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:38:47,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:38:47,307 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-24 00:38:47,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:38:47,307 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:38:47,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:38:47,307 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:38:47,307 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:38:47,307 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:38:47,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:38:47,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:38:47,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:38:47,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:38:47,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:38:47,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:38:47,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:38:47,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:38:47,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:38:47,309 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:38:47,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:38:47,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:38:47,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:38:47,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:38:47,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:38:47,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:38:47,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:38:47,310 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3884759389c7a3b94642e5e46b4f06a5e829be11d2d026f21d000ba598ae6cd
[2024-11-24 00:38:47,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:38:47,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:38:47,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:38:47,597 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:38:47,597 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:38:47,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i
[2024-11-24 00:38:50,604 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/data/fb7b0cf3c/c9ac136ae48e49dc8054e08935c4b32c/FLAG46add5427
[2024-11-24 00:38:50,992 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:38:50,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i
[2024-11-24 00:38:51,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/data/fb7b0cf3c/c9ac136ae48e49dc8054e08935c4b32c/FLAG46add5427
[2024-11-24 00:38:51,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/data/fb7b0cf3c/c9ac136ae48e49dc8054e08935c4b32c
[2024-11-24 00:38:51,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:38:51,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:38:51,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:38:51,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:38:51,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:38:51,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:38:51" (1/1) ...
[2024-11-24 00:38:51,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1755951b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:51, skipping insertion in model container
[2024-11-24 00:38:51,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:38:51" (1/1) ...
[2024-11-24 00:38:51,243 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:38:51,804 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:38:51,843 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:38:51,930 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:38:52,036 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:38:52,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52 WrapperNode
[2024-11-24 00:38:52,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:38:52,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:38:52,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:38:52,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:38:52,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,104 INFO L138 Inliner]: procedures = 265, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153
[2024-11-24 00:38:52,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:38:52,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:38:52,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:38:52,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:38:52,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:38:52,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:38:52,149 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:38:52,149 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:38:52,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (1/1) ...
[2024-11-24 00:38:52,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:38:52,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:38:52,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:38:52,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:38:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-24 00:38:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-24 00:38:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-24 00:38:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-24 00:38:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:38:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-24 00:38:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-24 00:38:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-24 00:38:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:38:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:38:52,254 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 00:38:52,403 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:38:52,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:38:52,877 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 00:38:52,877 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:38:52,920 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:38:52,923 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:38:52,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:52 BoogieIcfgContainer
[2024-11-24 00:38:52,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:38:52,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:38:52,928 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:38:52,934 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:38:52,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:38:51" (1/3) ...
[2024-11-24 00:38:52,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e780115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:38:52, skipping insertion in model container
[2024-11-24 00:38:52,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:52" (2/3) ...
[2024-11-24 00:38:52,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e780115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:38:52, skipping insertion in model container
[2024-11-24 00:38:52,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:52" (3/3) ...
[2024-11-24 00:38:52,940 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_09-tricky_address4.i
[2024-11-24 00:38:52,957 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:38:52,959 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_09-tricky_address4.i that has 2 procedures, 161 locations, 1 initial locations, 1 loop locations, and 4 error locations.
[2024-11-24 00:38:52,959 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 00:38:53,092 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 00:38:53,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 164 transitions, 332 flow
[2024-11-24 00:38:53,324 INFO L124 PetriNetUnfolderBase]: 4/163 cut-off events.
[2024-11-24 00:38:53,328 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:38:53,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 163 events. 4/163 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place.
[2024-11-24 00:38:53,342 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 164 transitions, 332 flow
[2024-11-24 00:38:53,351 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 163 transitions, 329 flow
[2024-11-24 00:38:53,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:38:53,386 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25f35865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:38:53,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-11-24 00:38:53,433 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 00:38:53,433 INFO L124 PetriNetUnfolderBase]: 4/113 cut-off events.
[2024-11-24 00:38:53,433 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:38:53,434 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:38:53,435 INFO L206 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]
[2024-11-24 00:38:53,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:38:53,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:53,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1019482477, now seen corresponding path program 1 times
[2024-11-24 00:38:53,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:38:53,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426796737]
[2024-11-24 00:38:53,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:53,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:38:54,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:38:54,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426796737]
[2024-11-24 00:38:54,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426796737] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:38:54,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:38:54,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:38:54,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453108977]
[2024-11-24 00:38:54,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:38:54,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:38:54,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:38:54,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:38:54,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:38:54,122 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 164
[2024-11-24 00:38:54,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 163 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:54,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:38:54,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 164
[2024-11-24 00:38:54,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:38:54,265 INFO L124 PetriNetUnfolderBase]: 7/224 cut-off events.
[2024-11-24 00:38:54,266 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-24 00:38:54,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 224 events. 7/224 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 332 event pairs, 6 based on Foata normal form. 5/217 useless extension candidates. Maximal degree in co-relation 147. Up to 24 conditions per place.
[2024-11-24 00:38:54,270 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 10 selfloop transitions, 2 changer transitions 1/161 dead transitions.
[2024-11-24 00:38:54,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 349 flow
[2024-11-24 00:38:54,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:38:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:38:54,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions.
[2024-11-24 00:38:54,295 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9491869918699187
[2024-11-24 00:38:54,299 INFO L175 Difference]: Start difference. First operand has 163 places, 163 transitions, 329 flow. Second operand 3 states and 467 transitions.
[2024-11-24 00:38:54,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 349 flow
[2024-11-24 00:38:54,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:38:54,314 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 332 flow
[2024-11-24 00:38:54,318 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=165, PETRI_TRANSITIONS=160}
[2024-11-24 00:38:54,323 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 2 predicate places.
[2024-11-24 00:38:54,324 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 332 flow
[2024-11-24 00:38:54,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:54,324 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:38:54,324 INFO L206 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]
[2024-11-24 00:38:54,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 00:38:54,325 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:38:54,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:54,326 INFO L85 PathProgramCache]: Analyzing trace with hash 2013546856, now seen corresponding path program 1 times
[2024-11-24 00:38:54,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:38:54,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537171107]
[2024-11-24 00:38:54,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:54,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:38:54,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:38:54,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537171107]
[2024-11-24 00:38:54,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537171107] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:38:54,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022407426]
[2024-11-24 00:38:54,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:54,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:38:54,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:38:54,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:38:54,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:38:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:54,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:38:54,922 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:38:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:38:55,029 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:38:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:38:55,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022407426] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:38:55,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:38:55,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-11-24 00:38:55,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497147330]
[2024-11-24 00:38:55,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:38:55,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-24 00:38:55,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:38:55,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-24 00:38:55,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-24 00:38:55,202 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164
[2024-11-24 00:38:55,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 332 flow. Second operand has 10 states, 10 states have (on average 149.0) internal successors, (1490), 10 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:55,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:38:55,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164
[2024-11-24 00:38:55,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:38:55,445 INFO L124 PetriNetUnfolderBase]: 7/230 cut-off events.
[2024-11-24 00:38:55,445 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-24 00:38:55,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 230 events. 7/230 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 325 event pairs, 6 based on Foata normal form. 2/221 useless extension candidates. Maximal degree in co-relation 194. Up to 24 conditions per place.
[2024-11-24 00:38:55,449 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 14 selfloop transitions, 9 changer transitions 0/168 dead transitions.
[2024-11-24 00:38:55,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 168 transitions, 396 flow
[2024-11-24 00:38:55,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 00:38:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-11-24 00:38:55,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1348 transitions.
[2024-11-24 00:38:55,459 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9132791327913279
[2024-11-24 00:38:55,461 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 332 flow. Second operand 9 states and 1348 transitions.
[2024-11-24 00:38:55,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 168 transitions, 396 flow
[2024-11-24 00:38:55,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:38:55,469 INFO L231 Difference]: Finished difference. Result has 174 places, 166 transitions, 380 flow
[2024-11-24 00:38:55,470 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=380, PETRI_PLACES=174, PETRI_TRANSITIONS=166}
[2024-11-24 00:38:55,472 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 11 predicate places.
[2024-11-24 00:38:55,472 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 166 transitions, 380 flow
[2024-11-24 00:38:55,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 149.0) internal successors, (1490), 10 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:55,474 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:38:55,476 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:55,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 00:38:55,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:38:55,678 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:38:55,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:55,680 INFO L85 PathProgramCache]: Analyzing trace with hash 360812680, now seen corresponding path program 2 times
[2024-11-24 00:38:55,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:38:55,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309302799]
[2024-11-24 00:38:55,681 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:38:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:55,736 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:38:55,739 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:38:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-11-24 00:38:56,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:38:56,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309302799]
[2024-11-24 00:38:56,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309302799] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:38:56,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:38:56,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:38:56,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093566355]
[2024-11-24 00:38:56,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:38:56,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:38:56,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:38:56,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:38:56,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:38:57,846 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 164
[2024-11-24 00:38:57,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 166 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 138.66666666666666) internal successors, (832), 6 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:57,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:38:57,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 164
[2024-11-24 00:38:57,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:38:58,202 INFO L124 PetriNetUnfolderBase]: 129/671 cut-off events.
[2024-11-24 00:38:58,202 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2024-11-24 00:38:58,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1001 conditions, 671 events. 129/671 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3482 event pairs, 46 based on Foata normal form. 0/612 useless extension candidates. Maximal degree in co-relation 888. Up to 178 conditions per place.
[2024-11-24 00:38:58,213 INFO L140 encePairwiseOnDemand]: 153/164 looper letters, 43 selfloop transitions, 22 changer transitions 0/207 dead transitions.
[2024-11-24 00:38:58,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 207 transitions, 592 flow
[2024-11-24 00:38:58,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:38:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:38:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 888 transitions.
[2024-11-24 00:38:58,220 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9024390243902439
[2024-11-24 00:38:58,220 INFO L175 Difference]: Start difference. First operand has 174 places, 166 transitions, 380 flow. Second operand 6 states and 888 transitions.
[2024-11-24 00:38:58,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 207 transitions, 592 flow
[2024-11-24 00:38:58,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 207 transitions, 586 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-11-24 00:38:58,251 INFO L231 Difference]: Finished difference. Result has 182 places, 188 transitions, 520 flow
[2024-11-24 00:38:58,252 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=520, PETRI_PLACES=182, PETRI_TRANSITIONS=188}
[2024-11-24 00:38:58,253 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 19 predicate places.
[2024-11-24 00:38:58,253 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 188 transitions, 520 flow
[2024-11-24 00:38:58,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.66666666666666) internal successors, (832), 6 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:58,254 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:38:58,254 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:58,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:38:58,255 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:38:58,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:58,256 INFO L85 PathProgramCache]: Analyzing trace with hash 304852855, now seen corresponding path program 1 times
[2024-11-24 00:38:58,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:38:58,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426403318]
[2024-11-24 00:38:58,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:58,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:38:58,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:38:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426403318]
[2024-11-24 00:38:58,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426403318] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:38:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282063752]
[2024-11-24 00:38:58,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:58,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:38:58,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:38:58,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:38:58,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 00:38:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:58,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-24 00:38:58,727 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:38:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:38:58,822 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:38:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:38:58,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282063752] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:38:58,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:38:58,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18
[2024-11-24 00:38:58,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319442747]
[2024-11-24 00:38:58,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:38:58,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-24 00:38:58,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:38:58,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-24 00:38:58,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2024-11-24 00:38:59,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164
[2024-11-24 00:38:59,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 188 transitions, 520 flow. Second operand has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:59,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:38:59,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164
[2024-11-24 00:38:59,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:38:59,565 INFO L124 PetriNetUnfolderBase]: 41/506 cut-off events.
[2024-11-24 00:38:59,565 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES.
[2024-11-24 00:38:59,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 506 events. 41/506 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2211 event pairs, 16 based on Foata normal form. 4/483 useless extension candidates. Maximal degree in co-relation 629. Up to 55 conditions per place.
[2024-11-24 00:38:59,570 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 18 selfloop transitions, 21 changer transitions 0/206 dead transitions.
[2024-11-24 00:38:59,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 206 transitions, 686 flow
[2024-11-24 00:38:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-11-24 00:38:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2024-11-24 00:38:59,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3130 transitions.
[2024-11-24 00:38:59,583 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9088269454123112
[2024-11-24 00:38:59,583 INFO L175 Difference]: Start difference. First operand has 182 places, 188 transitions, 520 flow. Second operand 21 states and 3130 transitions.
[2024-11-24 00:38:59,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 206 transitions, 686 flow
[2024-11-24 00:38:59,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 206 transitions, 686 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-24 00:38:59,594 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 650 flow
[2024-11-24 00:38:59,595 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=650, PETRI_PLACES=207, PETRI_TRANSITIONS=201}
[2024-11-24 00:38:59,595 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 44 predicate places.
[2024-11-24 00:38:59,596 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 650 flow
[2024-11-24 00:38:59,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:59,598 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:38:59,599 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:59,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 00:38:59,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:38:59,803 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:38:59,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:59,805 INFO L85 PathProgramCache]: Analyzing trace with hash 590005687, now seen corresponding path program 2 times
[2024-11-24 00:38:59,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:38:59,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394443881]
[2024-11-24 00:38:59,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:38:59,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:38:59,848 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:38:59,848 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:39:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-24 00:39:00,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:39:00,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394443881]
[2024-11-24 00:39:00,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394443881] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:39:00,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:39:00,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:39:00,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582821433]
[2024-11-24 00:39:00,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:39:00,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:39:00,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:39:00,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:39:00,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:39:01,525 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 164
[2024-11-24 00:39:01,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 133.66666666666666) internal successors, (802), 6 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:39:01,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:39:01,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 164
[2024-11-24 00:39:01,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:39:02,091 INFO L124 PetriNetUnfolderBase]: 306/1340 cut-off events.
[2024-11-24 00:39:02,091 INFO L125 PetriNetUnfolderBase]: For 280/290 co-relation queries the response was YES.
[2024-11-24 00:39:02,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2507 conditions, 1340 events. 306/1340 cut-off events. For 280/290 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 9094 event pairs, 116 based on Foata normal form. 5/1232 useless extension candidates. Maximal degree in co-relation 2310. Up to 464 conditions per place.
[2024-11-24 00:39:02,107 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 72 selfloop transitions, 36 changer transitions 2/258 dead transitions.
[2024-11-24 00:39:02,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 258 transitions, 1022 flow
[2024-11-24 00:39:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:39:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:39:02,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions.
[2024-11-24 00:39:02,113 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8882113821138211
[2024-11-24 00:39:02,113 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 650 flow. Second operand 6 states and 874 transitions.
[2024-11-24 00:39:02,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 258 transitions, 1022 flow
[2024-11-24 00:39:02,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 258 transitions, 998 flow, removed 6 selfloop flow, removed 6 redundant places.
[2024-11-24 00:39:02,125 INFO L231 Difference]: Finished difference. Result has 210 places, 233 transitions, 878 flow
[2024-11-24 00:39:02,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=878, PETRI_PLACES=210, PETRI_TRANSITIONS=233}
[2024-11-24 00:39:02,128 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 47 predicate places.
[2024-11-24 00:39:02,130 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 233 transitions, 878 flow
[2024-11-24 00:39:02,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.66666666666666) internal successors, (802), 6 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:39:02,131 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:39:02,131 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:39:02,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 00:39:02,131 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:39:02,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:39:02,132 INFO L85 PathProgramCache]: Analyzing trace with hash -372626708, now seen corresponding path program 1 times
[2024-11-24 00:39:02,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:39:02,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359040305]
[2024-11-24 00:39:02,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:39:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:39:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:39:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:39:02,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:39:02,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359040305]
[2024-11-24 00:39:02,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359040305] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:39:02,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928050064]
[2024-11-24 00:39:02,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:39:02,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:39:02,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:39:02,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:39:02,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 00:39:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:39:02,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-24 00:39:02,986 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:39:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:39:03,142 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:39:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:39:03,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928050064] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:39:03,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 00:39:03,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23
[2024-11-24 00:39:03,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069026840]
[2024-11-24 00:39:03,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:39:03,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-24 00:39:03,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:39:03,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-24 00:39:03,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2024-11-24 00:39:03,550 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164
[2024-11-24 00:39:03,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 233 transitions, 878 flow. Second operand has 23 states, 23 states have (on average 149.08695652173913) internal successors, (3429), 23 states have internal predecessors, (3429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:39:03,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:39:03,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164
[2024-11-24 00:39:03,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:39:04,306 INFO L124 PetriNetUnfolderBase]: 120/944 cut-off events.
[2024-11-24 00:39:04,307 INFO L125 PetriNetUnfolderBase]: For 413/413 co-relation queries the response was YES.
[2024-11-24 00:39:04,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1844 conditions, 944 events. 120/944 cut-off events. For 413/413 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5990 event pairs, 33 based on Foata normal form. 3/888 useless extension candidates. Maximal degree in co-relation 1568. Up to 134 conditions per place.
[2024-11-24 00:39:04,317 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 21 selfloop transitions, 30 changer transitions 0/250 dead transitions.
[2024-11-24 00:39:04,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 250 transitions, 1102 flow
[2024-11-24 00:39:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2024-11-24 00:39:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2024-11-24 00:39:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4464 transitions.
[2024-11-24 00:39:04,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9073170731707317
[2024-11-24 00:39:04,330 INFO L175 Difference]: Start difference. First operand has 210 places, 233 transitions, 878 flow. Second operand 30 states and 4464 transitions.
[2024-11-24 00:39:04,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 250 transitions, 1102 flow
[2024-11-24 00:39:04,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 250 transitions, 1078 flow, removed 12 selfloop flow, removed 0 redundant places.
[2024-11-24 00:39:04,342 INFO L231 Difference]: Finished difference. Result has 242 places, 243 transitions, 1006 flow
[2024-11-24 00:39:04,343 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1006, PETRI_PLACES=242, PETRI_TRANSITIONS=243}
[2024-11-24 00:39:04,343 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 79 predicate places.
[2024-11-24 00:39:04,344 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 243 transitions, 1006 flow
[2024-11-24 00:39:04,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 149.08695652173913) internal successors, (3429), 23 states have internal predecessors, (3429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:39:04,347 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:39:04,347 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:39:04,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-24 00:39:04,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-24 00:39:04,548 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:39:04,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:39:04,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1418663929, now seen corresponding path program 2 times
[2024-11-24 00:39:04,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:39:04,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315335147]
[2024-11-24 00:39:04,550 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:39:04,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:39:04,593 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:39:04,593 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:39:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked.
[2024-11-24 00:39:05,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:39:05,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315335147]
[2024-11-24 00:39:05,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315335147] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:39:05,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:39:05,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:39:05,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617182314]
[2024-11-24 00:39:05,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:39:05,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:39:05,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:39:05,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:39:05,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:39:06,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 164
[2024-11-24 00:39:06,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 243 transitions, 1006 flow. Second operand has 6 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:39:06,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:39:06,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 164
[2024-11-24 00:39:06,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:39:06,544 INFO L124 PetriNetUnfolderBase]: 306/1461 cut-off events.
[2024-11-24 00:39:06,544 INFO L125 PetriNetUnfolderBase]: For 881/921 co-relation queries the response was YES.
[2024-11-24 00:39:06,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3328 conditions, 1461 events. 306/1461 cut-off events. For 881/921 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 10382 event pairs, 72 based on Foata normal form. 10/1424 useless extension candidates. Maximal degree in co-relation 3050. Up to 456 conditions per place.
[2024-11-24 00:39:06,559 INFO L140 encePairwiseOnDemand]: 153/164 looper letters, 80 selfloop transitions, 49 changer transitions 0/309 dead transitions.
[2024-11-24 00:39:06,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 309 transitions, 1563 flow
[2024-11-24 00:39:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:39:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:39:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 893 transitions.
[2024-11-24 00:39:06,563 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.907520325203252
[2024-11-24 00:39:06,563 INFO L175 Difference]: Start difference. First operand has 242 places, 243 transitions, 1006 flow. Second operand 6 states and 893 transitions.
[2024-11-24 00:39:06,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 309 transitions, 1563 flow
[2024-11-24 00:39:06,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 309 transitions, 1517 flow, removed 5 selfloop flow, removed 18 redundant places.
[2024-11-24 00:39:06,582 INFO L231 Difference]: Finished difference. Result has 233 places, 284 transitions, 1376 flow
[2024-11-24 00:39:06,584 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1376, PETRI_PLACES=233, PETRI_TRANSITIONS=284}
[2024-11-24 00:39:06,586 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 70 predicate places.
[2024-11-24 00:39:06,586 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 284 transitions, 1376 flow
[2024-11-24 00:39:06,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:39:06,587 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:39:06,587 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:39:06,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 00:39:06,587 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:39:06,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:39:06,589 INFO L85 PathProgramCache]: Analyzing trace with hash -964580980, now seen corresponding path program 1 times
[2024-11-24 00:39:06,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:39:06,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520107425]
[2024-11-24 00:39:06,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:39:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:39:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:39:07,396 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked.
[2024-11-24 00:39:07,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:39:07,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520107425]
[2024-11-24 00:39:07,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520107425] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:39:07,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:39:07,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:39:07,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123405764]
[2024-11-24 00:39:07,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:39:07,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:39:07,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:39:07,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:39:07,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:39:08,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 164
[2024-11-24 00:39:08,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 284 transitions, 1376 flow. Second operand has 6 states, 6 states have (on average 134.66666666666666) internal successors, (808), 6 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:39:08,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:39:08,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 164
[2024-11-24 00:39:08,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:39:09,088 INFO L124 PetriNetUnfolderBase]: 579/2228 cut-off events.
[2024-11-24 00:39:09,088 INFO L125 PetriNetUnfolderBase]: For 2430/2490 co-relation queries the response was YES.
[2024-11-24 00:39:09,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5903 conditions, 2228 events. 579/2228 cut-off events. For 2430/2490 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 17358 event pairs, 140 based on Foata normal form. 12/2155 useless extension candidates. Maximal degree in co-relation 5642. Up to 824 conditions per place.
[2024-11-24 00:39:09,109 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 119 selfloop transitions, 78 changer transitions 11/378 dead transitions.
[2024-11-24 00:39:09,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 378 transitions, 2316 flow
[2024-11-24 00:39:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 00:39:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 00:39:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 879 transitions.
[2024-11-24 00:39:09,112 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8932926829268293
[2024-11-24 00:39:09,112 INFO L175 Difference]: Start difference. First operand has 233 places, 284 transitions, 1376 flow. Second operand 6 states and 879 transitions.
[2024-11-24 00:39:09,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 378 transitions, 2316 flow
[2024-11-24 00:39:09,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 378 transitions, 2314 flow, removed 1 selfloop flow, removed 0 redundant places.
[2024-11-24 00:39:09,145 INFO L231 Difference]: Finished difference. Result has 242 places, 332 transitions, 1980 flow
[2024-11-24 00:39:09,146 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=1374, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1980, PETRI_PLACES=242, PETRI_TRANSITIONS=332}
[2024-11-24 00:39:09,149 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 79 predicate places.
[2024-11-24 00:39:09,150 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 332 transitions, 1980 flow
[2024-11-24 00:39:09,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 134.66666666666666) internal successors, (808), 6 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:39:09,150 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:39:09,150 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:39:09,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 00:39:09,151 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-24 00:39:09,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:39:09,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1922040869, now seen corresponding path program 1 times
[2024-11-24 00:39:09,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:39:09,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374702370]
[2024-11-24 00:39:09,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:39:09,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:39:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:39:09,230 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:39:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:39:09,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 00:39:09,363 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:39:09,364 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining)
[2024-11-24 00:39:09,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2024-11-24 00:39:09,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining)
[2024-11-24 00:39:09,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2024-11-24 00:39:09,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2024-11-24 00:39:09,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2024-11-24 00:39:09,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2024-11-24 00:39:09,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 00:39:09,368 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1]
[2024-11-24 00:39:09,461 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 00:39:09,461 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:39:09,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:39:09 BasicIcfg
[2024-11-24 00:39:09,469 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:39:09,469 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:39:09,469 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:39:09,470 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:39:09,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:52" (3/4) ...
[2024-11-24 00:39:09,472 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-24 00:39:09,581 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 18.
[2024-11-24 00:39:09,664 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:39:09,664 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 00:39:09,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:39:09,666 INFO L158 Benchmark]: Toolchain (without parser) took 18474.08ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 115.6MB in the beginning and 145.7MB in the end (delta: -30.1MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB.
[2024-11-24 00:39:09,666 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:39:09,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.10ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 85.4MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-24 00:39:09,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.18ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 82.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:39:09,666 INFO L158 Benchmark]: Boogie Preprocessor took 39.68ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 80.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:39:09,667 INFO L158 Benchmark]: RCFGBuilder took 775.59ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 59.0MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-24 00:39:09,669 INFO L158 Benchmark]: TraceAbstraction took 16541.04ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 58.4MB in the beginning and 156.8MB in the end (delta: -98.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB.
[2024-11-24 00:39:09,669 INFO L158 Benchmark]: Witness Printer took 195.31ms. Allocated memory is still 268.4MB. Free memory was 156.8MB in the beginning and 145.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:39:09,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 845.10ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 85.4MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 69.18ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 82.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.68ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 80.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 775.59ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 59.0MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 16541.04ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 58.4MB in the beginning and 156.8MB in the end (delta: -98.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB.
* Witness Printer took 195.31ms. Allocated memory is still 268.4MB. Free memory was 156.8MB in the beginning and 145.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 944]: Data race detected
Data race detected
The following path leads to a data race:
[L922-L925] 0 struct s {
int datum;
pthread_mutex_t mutex;
} a[10];
VAL [a={1:0}]
[L937] 0 int i = 0;
VAL [a={1:0}, i=0]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=0]
[L937] 0 i++
VAL [a={1:0}, i=1]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=1]
[L937] 0 i++
VAL [a={1:0}, i=2]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=2]
[L937] 0 i++
VAL [a={1:0}, i=3]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=3]
[L937] 0 i++
VAL [a={1:0}, i=4]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=4]
[L937] 0 i++
VAL [a={1:0}, i=5]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=5]
[L937] 0 i++
VAL [a={1:0}, i=6]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=6]
[L937] 0 i++
VAL [a={1:0}, i=7]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=7]
[L937] 0 i++
VAL [a={1:0}, i=8]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=8]
[L937] 0 i++
VAL [a={1:0}, i=9]
[L937] COND TRUE 0 i < 10
VAL [a={1:0}, i=9]
[L937] 0 i++
VAL [a={1:0}, i=10]
[L937] COND FALSE 0 !(i < 10)
VAL [a={1:0}, i=10]
[L939] 0 int i = __VERIFIER_nondet_int();
VAL [a={1:0}, i=9]
[L940] CALL 0 assume_abort_if_not(0 <= i && i < 10)
[L11] COND FALSE 0 !(!cond)
VAL [\old(cond)=1, a={1:0}, cond=1]
[L940] RET 0 assume_abort_if_not(0 <= i && i < 10)
[L941] 0 pthread_t t1;
VAL [a={1:0}, i=9]
[L942] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0))
VAL [a={1:0}, i=9, t1=-1]
[L927] 1 int i = __VERIFIER_nondet_int();
VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=8]
[L928] CALL 1 assume_abort_if_not(0 <= i && i < 9)
[L11] COND FALSE 1 !(!cond)
VAL [\old(cond)=1, a={1:0}, cond=1]
[L928] RET 1 assume_abort_if_not(0 <= i && i < 9)
[L929] 1 struct s *p = &a[i];
VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=8, p={1:224}]
[L931] 1 i++
VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=9, p={1:224}]
[L944] EXPR 0 a[i].datum
VAL [a={1:0}, i=9, t1=-1]
[L944] 0 a[i].datum++
VAL [a={1:0}, i=9, t1=-1]
[L932] EXPR 1 a[i].datum
VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=9, p={1:224}]
[L932] 1 a[i].datum++
VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=9, p={1:224}]
[L944] 0 a[i].datum++
VAL [a={1:0}, i=9, t1=-1]
Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements
* C: a[i].datum++ [944]
* C: a[i].datum++ [944]
* C: a[i].datum++ [932]
* C: a[i].datum++ [944]
* C: a[i].datum++ [944]
and
C: a[i].datum++ [944]
- UnprovableResult [Line: 944]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 942]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 932]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 932]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 204 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.2s, OverallIterations: 9, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1756 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1322 mSDsluCounter, 181 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3057 IncrementalHoareTripleChecker+Invalid, 3179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 109 mSDtfsCounter, 3057 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 802 GetRequests, 695 SyntacticMatches, 11 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1980occurred in iteration=8, InterpolantAutomatonStates: 87, 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, 0.5s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1549 NumberOfCodeBlocks, 1449 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 2532 SizeOfPredicates, 22 NumberOfNonLiveVariables, 760 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 600/993 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, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-24 00:39:09,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefffa36-9515-405d-8161-0939e69c2057/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(DATA-RACE)