./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_46-refine-protected1_true.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_46-refine-protected1_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d12c74598447410478e04695104608e78da2e67734c0b49554aee2f95de0fed
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:50:00,308 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:50:00,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-24 00:50:00,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:50:00,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:50:00,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:50:00,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:50:00,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:50:00,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:50:00,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:50:00,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:50:00,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:50:00,472 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:50:00,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:50:00,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:50:00,473 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:50:00,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:50:00,474 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:50:00,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:50:00,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:50:00,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:50:00,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:50:00,474 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-24 00:50:00,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 00:50:00,475 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:50:00,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:50:00,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:50:00,475 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:50:00,475 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:50:00,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:50:00,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:50:00,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:50:00,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:50:00,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:50:00,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:50:00,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:50:00,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:50:00,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:50:00,477 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_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d12c74598447410478e04695104608e78da2e67734c0b49554aee2f95de0fed
[2024-11-24 00:50:00,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:50:00,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:50:00,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:50:00,839 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:50:00,840 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:50:00,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_46-refine-protected1_true.i
[2024-11-24 00:50:04,002 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/data/8eaf5fb81/4924a5f950f04463a294debb1f18ae27/FLAG4e7e16fd8
[2024-11-24 00:50:04,423 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:50:04,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/sv-benchmarks/c/goblint-regression/13-privatized_46-refine-protected1_true.i
[2024-11-24 00:50:04,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/data/8eaf5fb81/4924a5f950f04463a294debb1f18ae27/FLAG4e7e16fd8
[2024-11-24 00:50:04,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/data/8eaf5fb81/4924a5f950f04463a294debb1f18ae27
[2024-11-24 00:50:04,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:50:04,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:50:04,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:50:04,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:50:04,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:50:04,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:04,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbabf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04, skipping insertion in model container
[2024-11-24 00:50:04,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:04,537 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:50:04,879 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:50:04,894 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:50:04,947 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:50:04,979 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:50:04,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04 WrapperNode
[2024-11-24 00:50:04,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:50:04,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:50:04,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:50:04,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:50:04,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:04,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,015 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 65
[2024-11-24 00:50:05,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:50:05,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:50:05,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:50:05,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:50:05,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,030 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:50:05,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:50:05,038 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:50:05,038 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:50:05,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (1/1) ...
[2024-11-24 00:50:05,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:50:05,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:50:05,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:50:05,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:50:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-24 00:50:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:50:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-24 00:50:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-24 00:50:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-24 00:50:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-24 00:50:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:50:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:50:05,102 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 00:50:05,252 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:50:05,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:50:05,412 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 00:50:05,412 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:50:05,434 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:50:05,434 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 00:50:05,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:50:05 BoogieIcfgContainer
[2024-11-24 00:50:05,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:50:05,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:50:05,438 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:50:05,446 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:50:05,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:50:04" (1/3) ...
[2024-11-24 00:50:05,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410c360e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:50:05, skipping insertion in model container
[2024-11-24 00:50:05,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:04" (2/3) ...
[2024-11-24 00:50:05,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410c360e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:50:05, skipping insertion in model container
[2024-11-24 00:50:05,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:50:05" (3/3) ...
[2024-11-24 00:50:05,449 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_46-refine-protected1_true.i
[2024-11-24 00:50:05,465 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:50:05,467 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_46-refine-protected1_true.i that has 2 procedures, 78 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-11-24 00:50:05,467 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 00:50:05,507 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-24 00:50:05,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 82 transitions, 168 flow
[2024-11-24 00:50:05,613 INFO L124 PetriNetUnfolderBase]: 5/81 cut-off events.
[2024-11-24 00:50:05,616 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:50:05,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 81 events. 5/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place.
[2024-11-24 00:50:05,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 82 transitions, 168 flow
[2024-11-24 00:50:05,624 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 73 transitions, 149 flow
[2024-11-24 00:50:05,632 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:50:05,648 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;@41bf4f49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:50:05,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-11-24 00:50:05,663 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 00:50:05,663 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events.
[2024-11-24 00:50:05,663 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:50:05,663 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:50:05,664 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]
[2024-11-24 00:50:05,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-11-24 00:50:05,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:50:05,671 INFO L85 PathProgramCache]: Analyzing trace with hash -63118910, now seen corresponding path program 1 times
[2024-11-24 00:50:05,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:50:05,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470072328]
[2024-11-24 00:50:05,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:50:05,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:50:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:50:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:50:05,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:50:05,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470072328]
[2024-11-24 00:50:05,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470072328] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:50:05,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:50:05,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:50:05,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473834941]
[2024-11-24 00:50:05,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:50:05,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:50:05,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:50:06,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:50:06,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:50:06,045 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 82
[2024-11-24 00:50:06,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:50:06,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:50:06,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 82
[2024-11-24 00:50:06,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:50:06,087 INFO L124 PetriNetUnfolderBase]: 1/62 cut-off events.
[2024-11-24 00:50:06,087 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-24 00:50:06,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 62 events. 1/62 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 4/63 useless extension candidates. Maximal degree in co-relation 51. Up to 8 conditions per place.
[2024-11-24 00:50:06,089 INFO L140 encePairwiseOnDemand]: 73/82 looper letters, 9 selfloop transitions, 2 changer transitions 6/62 dead transitions.
[2024-11-24 00:50:06,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 62 transitions, 149 flow
[2024-11-24 00:50:06,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:50:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:50:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions.
[2024-11-24 00:50:06,103 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8170731707317073
[2024-11-24 00:50:06,105 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 149 flow. Second operand 3 states and 201 transitions.
[2024-11-24 00:50:06,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 62 transitions, 149 flow
[2024-11-24 00:50:06,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 62 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 00:50:06,118 INFO L231 Difference]: Finished difference. Result has 66 places, 56 transitions, 118 flow
[2024-11-24 00:50:06,122 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=66, PETRI_TRANSITIONS=56}
[2024-11-24 00:50:06,126 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places.
[2024-11-24 00:50:06,127 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 56 transitions, 118 flow
[2024-11-24 00:50:06,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:50:06,129 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:50:06,129 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]
[2024-11-24 00:50:06,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 00:50:06,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-11-24 00:50:06,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:50:06,130 INFO L85 PathProgramCache]: Analyzing trace with hash 86398893, now seen corresponding path program 1 times
[2024-11-24 00:50:06,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:50:06,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048364169]
[2024-11-24 00:50:06,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:50:06,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:50:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:50:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:50:06,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:50:06,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048364169]
[2024-11-24 00:50:06,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048364169] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:50:06,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:50:06,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:50:06,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901660055]
[2024-11-24 00:50:06,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:50:06,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:50:06,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:50:06,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:50:06,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:50:06,265 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 82
[2024-11-24 00:50:06,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 56 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:50:06,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:50:06,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 82
[2024-11-24 00:50:06,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:50:06,301 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events.
[2024-11-24 00:50:06,302 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:50:06,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 47 events. 0/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place.
[2024-11-24 00:50:06,302 INFO L140 encePairwiseOnDemand]: 79/82 looper letters, 5 selfloop transitions, 2 changer transitions 0/47 dead transitions.
[2024-11-24 00:50:06,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 47 transitions, 114 flow
[2024-11-24 00:50:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:50:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:50:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions.
[2024-11-24 00:50:06,306 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8495934959349594
[2024-11-24 00:50:06,306 INFO L175 Difference]: Start difference. First operand has 66 places, 56 transitions, 118 flow. Second operand 3 states and 209 transitions.
[2024-11-24 00:50:06,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 47 transitions, 114 flow
[2024-11-24 00:50:06,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 47 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:50:06,309 INFO L231 Difference]: Finished difference. Result has 52 places, 47 transitions, 100 flow
[2024-11-24 00:50:06,309 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=52, PETRI_TRANSITIONS=47}
[2024-11-24 00:50:06,310 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, -20 predicate places.
[2024-11-24 00:50:06,311 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 47 transitions, 100 flow
[2024-11-24 00:50:06,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:50:06,311 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 00:50:06,311 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]
[2024-11-24 00:50:06,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:50:06,312 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-11-24 00:50:06,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:50:06,313 INFO L85 PathProgramCache]: Analyzing trace with hash -904519634, now seen corresponding path program 1 times
[2024-11-24 00:50:06,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:50:06,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080195216]
[2024-11-24 00:50:06,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:50:06,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:50:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:50:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:50:06,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:50:06,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080195216]
[2024-11-24 00:50:06,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080195216] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:50:06,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:50:06,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:50:06,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969315314]
[2024-11-24 00:50:06,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:50:06,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:50:06,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:50:06,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:50:06,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:50:06,439 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 82
[2024-11-24 00:50:06,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 47 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:50:06,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 00:50:06,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 82
[2024-11-24 00:50:06,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 00:50:06,474 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events.
[2024-11-24 00:50:06,475 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 00:50:06,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/47 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place.
[2024-11-24 00:50:06,475 INFO L140 encePairwiseOnDemand]: 80/82 looper letters, 0 selfloop transitions, 0 changer transitions 46/46 dead transitions.
[2024-11-24 00:50:06,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 46 transitions, 116 flow
[2024-11-24 00:50:06,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 00:50:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 00:50:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions.
[2024-11-24 00:50:06,477 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7845528455284553
[2024-11-24 00:50:06,477 INFO L175 Difference]: Start difference. First operand has 52 places, 47 transitions, 100 flow. Second operand 3 states and 193 transitions.
[2024-11-24 00:50:06,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 46 transitions, 116 flow
[2024-11-24 00:50:06,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 46 transitions, 112 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 00:50:06,479 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow
[2024-11-24 00:50:06,479 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0}
[2024-11-24 00:50:06,480 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, -21 predicate places.
[2024-11-24 00:50:06,480 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow
[2024-11-24 00:50:06,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:50:06,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining)
[2024-11-24 00:50:06,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-11-24 00:50:06,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-11-24 00:50:06,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-11-24 00:50:06,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2024-11-24 00:50:06,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 00:50:06,485 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-24 00:50:06,488 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 00:50:06,489 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:50:06,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:50:06 BasicIcfg
[2024-11-24 00:50:06,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:50:06,496 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:50:06,496 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:50:06,496 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:50:06,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:50:05" (3/4) ...
[2024-11-24 00:50:06,499 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 00:50:06,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2024-11-24 00:50:06,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-24 00:50:06,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 00:50:06,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-24 00:50:06,508 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 00:50:06,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:50:06,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 00:50:06,595 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:50:06,596 INFO L158 Benchmark]: Toolchain (without parser) took 2118.81ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 54.2MB in the end (delta: 38.9MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB.
[2024-11-24 00:50:06,597 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:50:06,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.70ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 73.5MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:50:06,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.63ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 72.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:50:06,599 INFO L158 Benchmark]: Boogie Preprocessor took 20.63ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:50:06,600 INFO L158 Benchmark]: RCFGBuilder took 397.41ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 57.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:50:06,600 INFO L158 Benchmark]: TraceAbstraction took 1057.69ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 58.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:50:06,600 INFO L158 Benchmark]: Witness Printer took 98.79ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 54.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:50:06,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 498.70ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 73.5MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.63ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 72.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.63ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 397.41ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 57.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1057.69ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 58.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 98.79ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 54.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 690]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 691]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 693]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 696]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 83 locations, 5 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 25 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-24 00:50:06,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb3b248-c945-4fb6-ac49-9960ccf8cb60/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE