./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 d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/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_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec
[2024-12-02 10:36:02,197 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:36:02,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-12-02 10:36:02,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:36:02,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:36:02,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:36:02,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:36:02,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:36:02,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:36:02,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:36:02,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:36:02,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:36:02,272 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:36:02,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:36:02,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:36:02,273 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:36:02,274 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:36:02,274 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:36:02,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:36:02,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:36:02,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:36:02,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:36:02,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:36:02,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:36:02,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:36:02,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:36:02,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:36:02,275 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_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1
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
[2024-12-02 10:36:02,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:36:02,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:36:02,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:36:02,494 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:36:02,495 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:36:02,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i
[2024-12-02 10:36:05,191 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/data/5b439fe82/4b76635440754cbeaf6a2e92b3c68d01/FLAGc48fe0669
[2024-12-02 10:36:05,403 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:36:05,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i
[2024-12-02 10:36:05,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/data/5b439fe82/4b76635440754cbeaf6a2e92b3c68d01/FLAGc48fe0669
[2024-12-02 10:36:05,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/data/5b439fe82/4b76635440754cbeaf6a2e92b3c68d01
[2024-12-02 10:36:05,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:36:05,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:36:05,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:36:05,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:36:05,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:36:05,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:36:05" (1/1) ...
[2024-12-02 10:36:05,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713b46fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:05, skipping insertion in model container
[2024-12-02 10:36:05,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:36:05" (1/1) ...
[2024-12-02 10:36:05,472 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:36:05,883 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:36:05,913 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 10:36:05,957 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:36:06,009 INFO L204 MainTranslator]: Completed translation
[2024-12-02 10:36:06,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06 WrapperNode
[2024-12-02 10:36:06,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:36:06,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:36:06,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:36:06,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:36:06,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,051 INFO L138 Inliner]: procedures = 265, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153
[2024-12-02 10:36:06,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:36:06,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:36:06,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:36:06,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:36:06,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:36:06,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:36:06,079 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:36:06,079 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:36:06,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (1/1) ...
[2024-12-02 10:36:06,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:36:06,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:36:06,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:36:06,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:36:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-02 10:36:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-12-02 10:36:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-12-02 10:36:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-02 10:36:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:36:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-12-02 10:36:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-12-02 10:36:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-02 10:36:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:36:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:36:06,139 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 10:36:06,246 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 10:36:06,247 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:36:06,520 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 10:36:06,520 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 10:36:06,541 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:36:06,542 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 10:36:06,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:36:06 BoogieIcfgContainer
[2024-12-02 10:36:06,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:36:06,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:36:06,545 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:36:06,549 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:36:06,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:36:05" (1/3) ...
[2024-12-02 10:36:06,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b7b139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:36:06, skipping insertion in model container
[2024-12-02 10:36:06,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:06" (2/3) ...
[2024-12-02 10:36:06,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b7b139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:36:06, skipping insertion in model container
[2024-12-02 10:36:06,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:36:06" (3/3) ...
[2024-12-02 10:36:06,551 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_09-tricky_address4.i
[2024-12-02 10:36:06,564 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:36:06,566 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.
[2024-12-02 10:36:06,566 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 10:36:06,627 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 10:36:06,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 164 transitions, 332 flow
[2024-12-02 10:36:06,732 INFO L124 PetriNetUnfolderBase]: 4/163 cut-off events.
[2024-12-02 10:36:06,734 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 10:36:06,740 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.
[2024-12-02 10:36:06,740 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 164 transitions, 332 flow
[2024-12-02 10:36:06,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 163 transitions, 329 flow
[2024-12-02 10:36:06,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:36:06,763 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;@5e1dde61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:36:06,763 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-12-02 10:36:06,788 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 10:36:06,788 INFO L124 PetriNetUnfolderBase]: 4/113 cut-off events.
[2024-12-02 10:36:06,788 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 10:36:06,789 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:06,789 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]
[2024-12-02 10:36:06,790 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)] ===
[2024-12-02 10:36:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:06,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1019482477, now seen corresponding path program 1 times
[2024-12-02 10:36:06,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:06,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503578077]
[2024-12-02 10:36:06,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:06,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:36:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:07,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:36:07,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503578077]
[2024-12-02 10:36:07,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503578077] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:36:07,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:36:07,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:36:07,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087411002]
[2024-12-02 10:36:07,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:36:07,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:36:07,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:36:07,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:36:07,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:36:07,154 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 164
[2024-12-02 10:36:07,158 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)
[2024-12-02 10:36:07,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:36:07,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 164
[2024-12-02 10:36:07,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:36:07,245 INFO L124 PetriNetUnfolderBase]: 7/224 cut-off events.
[2024-12-02 10:36:07,245 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 10:36:07,246 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.
[2024-12-02 10:36:07,248 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 10 selfloop transitions, 2 changer transitions 1/161 dead transitions.
[2024-12-02 10:36:07,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 349 flow
[2024-12-02 10:36:07,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:36:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 10:36:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions.
[2024-12-02 10:36:07,262 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9491869918699187
[2024-12-02 10:36:07,264 INFO L175 Difference]: Start difference. First operand has 163 places, 163 transitions, 329 flow. Second operand 3 states and 467 transitions.
[2024-12-02 10:36:07,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 349 flow
[2024-12-02 10:36:07,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 10:36:07,273 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 332 flow
[2024-12-02 10:36:07,275 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}
[2024-12-02 10:36:07,279 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 2 predicate places.
[2024-12-02 10:36:07,279 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 332 flow
[2024-12-02 10:36:07,279 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)
[2024-12-02 10:36:07,279 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:07,279 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]
[2024-12-02 10:36:07,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 10:36:07,280 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)] ===
[2024-12-02 10:36:07,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:07,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2013546856, now seen corresponding path program 1 times
[2024-12-02 10:36:07,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:07,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551908024]
[2024-12-02 10:36:07,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:07,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:36:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:07,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:36:07,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551908024]
[2024-12-02 10:36:07,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551908024] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 10:36:07,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315999619]
[2024-12-02 10:36:07,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:07,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:36:07,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:36:07,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:36:07,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 10:36:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:36:07,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 10:36:07,565 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:36:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:07,628 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 10:36:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:07,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315999619] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 10:36:07,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 10:36:07,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-12-02 10:36:07,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759770412]
[2024-12-02 10:36:07,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 10:36:07,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 10:36:07,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:36:07,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 10:36:07,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-12-02 10:36:07,721 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164
[2024-12-02 10:36:07,723 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)
[2024-12-02 10:36:07,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:36:07,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164
[2024-12-02 10:36:07,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:36:07,833 INFO L124 PetriNetUnfolderBase]: 7/230 cut-off events.
[2024-12-02 10:36:07,833 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 10:36:07,834 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.
[2024-12-02 10:36:07,835 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 14 selfloop transitions, 9 changer transitions 0/168 dead transitions.
[2024-12-02 10:36:07,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 168 transitions, 396 flow
[2024-12-02 10:36:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 10:36:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2024-12-02 10:36:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1348 transitions.
[2024-12-02 10:36:07,839 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9132791327913279
[2024-12-02 10:36:07,839 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 332 flow. Second operand 9 states and 1348 transitions.
[2024-12-02 10:36:07,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 168 transitions, 396 flow
[2024-12-02 10:36:07,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 10:36:07,843 INFO L231 Difference]: Finished difference. Result has 174 places, 166 transitions, 380 flow
[2024-12-02 10:36:07,843 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}
[2024-12-02 10:36:07,844 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 11 predicate places.
[2024-12-02 10:36:07,844 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 166 transitions, 380 flow
[2024-12-02 10:36:07,845 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)
[2024-12-02 10:36:07,845 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:07,846 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]
[2024-12-02 10:36:07,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 10:36:08,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:36:08,046 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)] ===
[2024-12-02 10:36:08,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:08,047 INFO L85 PathProgramCache]: Analyzing trace with hash 360812680, now seen corresponding path program 2 times
[2024-12-02 10:36:08,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:08,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844145218]
[2024-12-02 10:36:08,048 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 10:36:08,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:08,077 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 10:36:08,077 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 10:36:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-02 10:36:08,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:36:08,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844145218]
[2024-12-02 10:36:08,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844145218] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:36:08,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:36:08,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:36:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995924382]
[2024-12-02 10:36:08,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:36:08,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:36:08,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:36:08,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:36:08,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:36:09,274 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 164
[2024-12-02 10:36:09,276 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)
[2024-12-02 10:36:09,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:36:09,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 164
[2024-12-02 10:36:09,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:36:09,502 INFO L124 PetriNetUnfolderBase]: 129/671 cut-off events.
[2024-12-02 10:36:09,502 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2024-12-02 10:36:09,504 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.
[2024-12-02 10:36:09,506 INFO L140 encePairwiseOnDemand]: 153/164 looper letters, 43 selfloop transitions, 22 changer transitions 0/207 dead transitions.
[2024-12-02 10:36:09,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 207 transitions, 592 flow
[2024-12-02 10:36:09,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 10:36:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 10:36:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 888 transitions.
[2024-12-02 10:36:09,510 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9024390243902439
[2024-12-02 10:36:09,511 INFO L175 Difference]: Start difference. First operand has 174 places, 166 transitions, 380 flow. Second operand 6 states and 888 transitions.
[2024-12-02 10:36:09,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 207 transitions, 592 flow
[2024-12-02 10:36:09,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 207 transitions, 586 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-12-02 10:36:09,517 INFO L231 Difference]: Finished difference. Result has 182 places, 188 transitions, 520 flow
[2024-12-02 10:36:09,517 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}
[2024-12-02 10:36:09,518 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 19 predicate places.
[2024-12-02 10:36:09,518 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 188 transitions, 520 flow
[2024-12-02 10:36:09,518 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)
[2024-12-02 10:36:09,519 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:09,519 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]
[2024-12-02 10:36:09,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 10:36:09,519 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)] ===
[2024-12-02 10:36:09,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash 304852855, now seen corresponding path program 1 times
[2024-12-02 10:36:09,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:09,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907536152]
[2024-12-02 10:36:09,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:36:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:09,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:36:09,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907536152]
[2024-12-02 10:36:09,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907536152] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 10:36:09,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054609913]
[2024-12-02 10:36:09,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:09,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:36:09,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:36:09,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:36:09,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 10:36:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:36:09,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 10:36:09,856 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:36:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:09,905 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 10:36:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:10,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054609913] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 10:36:10,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 10:36:10,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18
[2024-12-02 10:36:10,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946059779]
[2024-12-02 10:36:10,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 10:36:10,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-12-02 10:36:10,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:36:10,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-12-02 10:36:10,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2024-12-02 10:36:10,043 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164
[2024-12-02 10:36:10,046 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)
[2024-12-02 10:36:10,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:36:10,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164
[2024-12-02 10:36:10,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:36:10,307 INFO L124 PetriNetUnfolderBase]: 41/506 cut-off events.
[2024-12-02 10:36:10,307 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES.
[2024-12-02 10:36:10,308 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.
[2024-12-02 10:36:10,310 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 18 selfloop transitions, 21 changer transitions 0/206 dead transitions.
[2024-12-02 10:36:10,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 206 transitions, 686 flow
[2024-12-02 10:36:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-12-02 10:36:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2024-12-02 10:36:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3130 transitions.
[2024-12-02 10:36:10,316 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9088269454123112
[2024-12-02 10:36:10,317 INFO L175 Difference]: Start difference. First operand has 182 places, 188 transitions, 520 flow. Second operand 21 states and 3130 transitions.
[2024-12-02 10:36:10,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 206 transitions, 686 flow
[2024-12-02 10:36:10,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 206 transitions, 686 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-12-02 10:36:10,322 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 650 flow
[2024-12-02 10:36:10,323 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}
[2024-12-02 10:36:10,323 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 44 predicate places.
[2024-12-02 10:36:10,323 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 650 flow
[2024-12-02 10:36:10,325 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)
[2024-12-02 10:36:10,325 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:10,325 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]
[2024-12-02 10:36:10,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 10:36:10,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:36:10,526 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)] ===
[2024-12-02 10:36:10,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:10,527 INFO L85 PathProgramCache]: Analyzing trace with hash 590005687, now seen corresponding path program 2 times
[2024-12-02 10:36:10,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:10,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070399481]
[2024-12-02 10:36:10,527 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 10:36:10,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:10,558 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 10:36:10,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 10:36:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-12-02 10:36:10,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:36:10,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070399481]
[2024-12-02 10:36:10,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070399481] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:36:10,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:36:10,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:36:10,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720693587]
[2024-12-02 10:36:10,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:36:10,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:36:10,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:36:10,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:36:10,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:36:11,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 164
[2024-12-02 10:36:11,347 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)
[2024-12-02 10:36:11,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:36:11,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 164
[2024-12-02 10:36:11,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:36:11,560 INFO L124 PetriNetUnfolderBase]: 306/1340 cut-off events.
[2024-12-02 10:36:11,560 INFO L125 PetriNetUnfolderBase]: For 280/290 co-relation queries the response was YES.
[2024-12-02 10:36:11,562 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.
[2024-12-02 10:36:11,567 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 72 selfloop transitions, 36 changer transitions 2/258 dead transitions.
[2024-12-02 10:36:11,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 258 transitions, 1022 flow
[2024-12-02 10:36:11,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 10:36:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 10:36:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions.
[2024-12-02 10:36:11,569 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8882113821138211
[2024-12-02 10:36:11,569 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 650 flow. Second operand 6 states and 874 transitions.
[2024-12-02 10:36:11,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 258 transitions, 1022 flow
[2024-12-02 10:36:11,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 258 transitions, 998 flow, removed 6 selfloop flow, removed 6 redundant places.
[2024-12-02 10:36:11,574 INFO L231 Difference]: Finished difference. Result has 210 places, 233 transitions, 878 flow
[2024-12-02 10:36:11,574 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}
[2024-12-02 10:36:11,575 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 47 predicate places.
[2024-12-02 10:36:11,575 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 233 transitions, 878 flow
[2024-12-02 10:36:11,575 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)
[2024-12-02 10:36:11,575 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:11,576 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]
[2024-12-02 10:36:11,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 10:36:11,576 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)] ===
[2024-12-02 10:36:11,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:11,577 INFO L85 PathProgramCache]: Analyzing trace with hash -372626708, now seen corresponding path program 1 times
[2024-12-02 10:36:11,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:11,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946767419]
[2024-12-02 10:36:11,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:11,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:36:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:11,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:36:11,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946767419]
[2024-12-02 10:36:11,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946767419] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 10:36:11,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207877017]
[2024-12-02 10:36:11,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:11,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:36:11,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:36:11,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:36:11,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 10:36:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:36:11,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-12-02 10:36:11,961 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:36:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:12,057 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 10:36:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:36:12,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207877017] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 10:36:12,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 10:36:12,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23
[2024-12-02 10:36:12,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222215544]
[2024-12-02 10:36:12,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 10:36:12,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-12-02 10:36:12,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:36:12,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-12-02 10:36:12,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2024-12-02 10:36:12,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164
[2024-12-02 10:36:12,295 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)
[2024-12-02 10:36:12,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:36:12,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164
[2024-12-02 10:36:12,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:36:12,758 INFO L124 PetriNetUnfolderBase]: 120/944 cut-off events.
[2024-12-02 10:36:12,758 INFO L125 PetriNetUnfolderBase]: For 413/413 co-relation queries the response was YES.
[2024-12-02 10:36:12,761 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.
[2024-12-02 10:36:12,764 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 21 selfloop transitions, 30 changer transitions 0/250 dead transitions.
[2024-12-02 10:36:12,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 250 transitions, 1102 flow
[2024-12-02 10:36:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2024-12-02 10:36:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2024-12-02 10:36:12,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4464 transitions.
[2024-12-02 10:36:12,775 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9073170731707317
[2024-12-02 10:36:12,775 INFO L175 Difference]: Start difference. First operand has 210 places, 233 transitions, 878 flow. Second operand 30 states and 4464 transitions.
[2024-12-02 10:36:12,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 250 transitions, 1102 flow
[2024-12-02 10:36:12,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 250 transitions, 1078 flow, removed 12 selfloop flow, removed 0 redundant places.
[2024-12-02 10:36:12,785 INFO L231 Difference]: Finished difference. Result has 242 places, 243 transitions, 1006 flow
[2024-12-02 10:36:12,786 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}
[2024-12-02 10:36:12,786 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 79 predicate places.
[2024-12-02 10:36:12,786 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 243 transitions, 1006 flow
[2024-12-02 10:36:12,788 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)
[2024-12-02 10:36:12,788 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:12,788 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]
[2024-12-02 10:36:12,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-12-02 10:36:12,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-12-02 10:36:12,989 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)] ===
[2024-12-02 10:36:12,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:12,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1418663929, now seen corresponding path program 2 times
[2024-12-02 10:36:12,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:12,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747411586]
[2024-12-02 10:36:12,990 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 10:36:12,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:13,012 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 10:36:13,012 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 10:36:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked.
[2024-12-02 10:36:13,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:36:13,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747411586]
[2024-12-02 10:36:13,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747411586] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:36:13,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:36:13,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:36:13,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132030655]
[2024-12-02 10:36:13,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:36:13,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:36:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:36:13,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:36:13,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:36:13,815 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 164
[2024-12-02 10:36:13,816 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)
[2024-12-02 10:36:13,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:36:13,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 164
[2024-12-02 10:36:13,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:36:14,113 INFO L124 PetriNetUnfolderBase]: 306/1461 cut-off events.
[2024-12-02 10:36:14,113 INFO L125 PetriNetUnfolderBase]: For 881/921 co-relation queries the response was YES.
[2024-12-02 10:36:14,116 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.
[2024-12-02 10:36:14,119 INFO L140 encePairwiseOnDemand]: 153/164 looper letters, 80 selfloop transitions, 49 changer transitions 0/309 dead transitions.
[2024-12-02 10:36:14,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 309 transitions, 1563 flow
[2024-12-02 10:36:14,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 10:36:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 10:36:14,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 893 transitions.
[2024-12-02 10:36:14,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.907520325203252
[2024-12-02 10:36:14,121 INFO L175 Difference]: Start difference. First operand has 242 places, 243 transitions, 1006 flow. Second operand 6 states and 893 transitions.
[2024-12-02 10:36:14,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 309 transitions, 1563 flow
[2024-12-02 10:36:14,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 309 transitions, 1517 flow, removed 5 selfloop flow, removed 18 redundant places.
[2024-12-02 10:36:14,130 INFO L231 Difference]: Finished difference. Result has 233 places, 284 transitions, 1376 flow
[2024-12-02 10:36:14,131 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}
[2024-12-02 10:36:14,131 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 70 predicate places.
[2024-12-02 10:36:14,131 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 284 transitions, 1376 flow
[2024-12-02 10:36:14,132 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)
[2024-12-02 10:36:14,132 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:14,132 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]
[2024-12-02 10:36:14,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 10:36:14,132 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)] ===
[2024-12-02 10:36:14,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:14,134 INFO L85 PathProgramCache]: Analyzing trace with hash -964580980, now seen corresponding path program 1 times
[2024-12-02 10:36:14,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:14,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256564800]
[2024-12-02 10:36:14,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:14,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:36:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked.
[2024-12-02 10:36:14,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:36:14,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256564800]
[2024-12-02 10:36:14,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256564800] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:36:14,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:36:14,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:36:14,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470649818]
[2024-12-02 10:36:14,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:36:14,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:36:14,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:36:14,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:36:14,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:36:15,088 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 164
[2024-12-02 10:36:15,089 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)
[2024-12-02 10:36:15,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 10:36:15,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 164
[2024-12-02 10:36:15,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 10:36:15,655 INFO L124 PetriNetUnfolderBase]: 579/2228 cut-off events.
[2024-12-02 10:36:15,656 INFO L125 PetriNetUnfolderBase]: For 2430/2490 co-relation queries the response was YES.
[2024-12-02 10:36:15,663 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.
[2024-12-02 10:36:15,670 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 119 selfloop transitions, 78 changer transitions 11/378 dead transitions.
[2024-12-02 10:36:15,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 378 transitions, 2316 flow
[2024-12-02 10:36:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 10:36:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-12-02 10:36:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 879 transitions.
[2024-12-02 10:36:15,673 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8932926829268293
[2024-12-02 10:36:15,673 INFO L175 Difference]: Start difference. First operand has 233 places, 284 transitions, 1376 flow. Second operand 6 states and 879 transitions.
[2024-12-02 10:36:15,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 378 transitions, 2316 flow
[2024-12-02 10:36:15,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 378 transitions, 2314 flow, removed 1 selfloop flow, removed 0 redundant places.
[2024-12-02 10:36:15,693 INFO L231 Difference]: Finished difference. Result has 242 places, 332 transitions, 1980 flow
[2024-12-02 10:36:15,693 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}
[2024-12-02 10:36:15,694 INFO L279 CegarLoopForPetriNet]: 163 programPoint places, 79 predicate places.
[2024-12-02 10:36:15,694 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 332 transitions, 1980 flow
[2024-12-02 10:36:15,694 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)
[2024-12-02 10:36:15,694 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 10:36:15,695 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]
[2024-12-02 10:36:15,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 10:36:15,695 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)] ===
[2024-12-02 10:36:15,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:36:15,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1922040869, now seen corresponding path program 1 times
[2024-12-02 10:36:15,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:36:15,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909846369]
[2024-12-02 10:36:15,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:36:15,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:36:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 10:36:15,732 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 10:36:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 10:36:15,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 10:36:15,794 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 10:36:15,795 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining)
[2024-12-02 10:36:15,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2024-12-02 10:36:15,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining)
[2024-12-02 10:36:15,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2024-12-02 10:36:15,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2024-12-02 10:36:15,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2024-12-02 10:36:15,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2024-12-02 10:36:15,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 10:36:15,798 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1]
[2024-12-02 10:36:15,844 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 10:36:15,844 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 10:36:15,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:36:15 BasicIcfg
[2024-12-02 10:36:15,849 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 10:36:15,849 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 10:36:15,850 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 10:36:15,850 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 10:36:15,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:36:06" (3/4) ...
[2024-12-02 10:36:15,851 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 10:36:15,900 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 18.
[2024-12-02 10:36:15,958 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 10:36:15,958 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 10:36:15,958 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 10:36:15,959 INFO L158 Benchmark]: Toolchain (without parser) took 10523.70ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 91.2MB in the beginning and 182.4MB in the end (delta: -91.2MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB.
[2024-12-02 10:36:15,959 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:36:15,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.53ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 61.1MB in the end (delta: 29.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 10:36:15,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.88ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 58.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:36:15,960 INFO L158 Benchmark]: Boogie Preprocessor took 26.62ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 56.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:36:15,960 INFO L158 Benchmark]: RCFGBuilder took 462.92ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 88.1MB in the end (delta: -31.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB.
[2024-12-02 10:36:15,960 INFO L158 Benchmark]: TraceAbstraction took 9304.16ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 87.5MB in the beginning and 75.3MB in the end (delta: 12.2MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB.
[2024-12-02 10:36:15,960 INFO L158 Benchmark]: Witness Printer took 108.62ms. Allocated memory is still 218.1MB. Free memory was 75.3MB in the beginning and 182.4MB in the end (delta: -107.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB.
[2024-12-02 10:36:15,961 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 573.53ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 61.1MB in the end (delta: 29.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.88ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 58.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.62ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 56.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 462.92ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 88.1MB in the end (delta: -31.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 9304.16ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 87.5MB in the beginning and 75.3MB in the end (delta: 12.2MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB.
* Witness Printer took 108.62ms. Allocated memory is still 218.1MB. Free memory was 75.3MB in the beginning and 182.4MB in the end (delta: -107.1MB). Peak memory consumption was 17.7MB. 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++ [932]
* C: a[i].datum++ [944]
* C: a[i].datum++ [944]
* 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: 9.1s, OverallIterations: 9, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1756 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1322 mSDsluCounter, 181 SdHoareTripleChecker+Invalid, 2.1s 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 802 GetRequests, 695 SyntacticMatches, 11 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 0.9s 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, 0.3s SatisfiabilityAnalysisTime, 3.0s 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!
[2024-12-02 10:36:15,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09b88f3-43a6-458b-a6ff-22c5a87b3390/bin/uautomizer-verify-84ZbGMXZE1/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)