./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3b-join.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3b-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu --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 c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:00:06,600 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:00:06,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 08:00:06,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:00:06,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:00:06,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:00:06,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:00:06,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:00:06,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:00:06,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:00:06,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:00:06,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:00:06,797 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:00:06,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:00:06,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:00:06,800 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:00:06,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:00:06,801 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:00:06,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:00:06,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:00:06,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:00:06,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:00:06,804 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-11-19 08:00:06,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:00:06,805 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:00:06,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:00:06,806 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:00:06,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:00:06,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:00:06,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:00:06,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:00:06,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:00:06,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:00:06,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:00:06,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:00:06,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:00:06,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:00:06,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:00:06,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:00:06,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:00:06,812 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:00:06,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b
[2023-11-19 08:00:07,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:00:07,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:00:07,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:00:07,221 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:00:07,222 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:00:07,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-races/race-1_3b-join.i
[2023-11-19 08:00:10,355 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:00:10,746 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:00:10,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/sv-benchmarks/c/ldv-races/race-1_3b-join.i
[2023-11-19 08:00:10,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/data/044da6461/62c5a3cbc006461baf471c5b98a529ec/FLAGddcb225ca
[2023-11-19 08:00:10,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/data/044da6461/62c5a3cbc006461baf471c5b98a529ec
[2023-11-19 08:00:10,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:00:10,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:00:10,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:00:10,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:00:10,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:00:10,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:10" (1/1) ...
[2023-11-19 08:00:10,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6f70ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:10, skipping insertion in model container
[2023-11-19 08:00:10,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:10" (1/1) ...
[2023-11-19 08:00:10,888 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:00:11,909 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:00:11,928 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:00:12,030 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:00:12,217 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:00:12,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12 WrapperNode
[2023-11-19 08:00:12,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:00:12,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:00:12,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:00:12,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:00:12,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,299 INFO L138 Inliner]: procedures = 480, calls = 28, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 126
[2023-11-19 08:00:12,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:00:12,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:00:12,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:00:12,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:00:12,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:00:12,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:00:12,358 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:00:12,358 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:00:12,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (1/1) ...
[2023-11-19 08:00:12,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:00:12,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:00:12,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:00:12,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:00:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:00:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 08:00:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-19 08:00:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:00:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 08:00:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:00:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:00:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 08:00:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2023-11-19 08:00:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-19 08:00:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 08:00:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:00:12,459 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 08:00:12,827 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:00:12,830 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:00:13,064 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:00:13,075 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:00:13,076 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:00:13,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:13 BoogieIcfgContainer
[2023-11-19 08:00:13,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:00:13,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:00:13,089 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:00:13,092 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:00:13,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:10" (1/3) ...
[2023-11-19 08:00:13,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b925eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:13, skipping insertion in model container
[2023-11-19 08:00:13,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:12" (2/3) ...
[2023-11-19 08:00:13,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b925eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:13, skipping insertion in model container
[2023-11-19 08:00:13,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:13" (3/3) ...
[2023-11-19 08:00:13,099 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i
[2023-11-19 08:00:13,107 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 08:00:13,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:00:13,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2023-11-19 08:00:13,116 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 08:00:13,211 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-19 08:00:13,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 168 transitions, 343 flow
[2023-11-19 08:00:13,341 INFO L124 PetriNetUnfolderBase]: 11/210 cut-off events.
[2023-11-19 08:00:13,341 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 08:00:13,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 210 events. 11/210 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 354 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 121. Up to 4 conditions per place.
[2023-11-19 08:00:13,346 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 168 transitions, 343 flow
[2023-11-19 08:00:13,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 149 transitions, 304 flow
[2023-11-19 08:00:13,356 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 08:00:13,367 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 149 transitions, 304 flow
[2023-11-19 08:00:13,370 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 149 transitions, 304 flow
[2023-11-19 08:00:13,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 149 transitions, 304 flow
[2023-11-19 08:00:13,412 INFO L124 PetriNetUnfolderBase]: 8/192 cut-off events.
[2023-11-19 08:00:13,413 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 08:00:13,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 192 events. 8/192 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 334 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 121. Up to 4 conditions per place.
[2023-11-19 08:00:13,416 INFO L119 LiptonReduction]: Number of co-enabled transitions 1104
[2023-11-19 08:00:18,462 INFO L134 LiptonReduction]: Checked pairs total: 2663
[2023-11-19 08:00:18,462 INFO L136 LiptonReduction]: Total number of compositions: 180
[2023-11-19 08:00:18,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:00:18,487 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2bb9b3c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:00:18,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2023-11-19 08:00:18,489 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 08:00:18,490 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events.
[2023-11-19 08:00:18,490 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:00:18,490 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:00:18,491 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 08:00:18,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-11-19 08:00:18,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:18,498 INFO L85 PathProgramCache]: Analyzing trace with hash 592, now seen corresponding path program 1 times
[2023-11-19 08:00:18,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:18,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164519479]
[2023-11-19 08:00:18,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:18,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:00:18,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164519479]
[2023-11-19 08:00:18,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164519479] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:18,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:00:18,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 08:00:18,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038425578]
[2023-11-19 08:00:18,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:18,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:00:18,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:18,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:00:18,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:00:18,786 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 348
[2023-11-19 08:00:18,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 60 flow. Second operand has 2 states, 2 states have (on average 154.5) internal successors, (309), 2 states have internal predecessors, (309), 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)
[2023-11-19 08:00:18,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:00:18,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 348
[2023-11-19 08:00:18,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:00:18,857 INFO L124 PetriNetUnfolderBase]: 15/73 cut-off events.
[2023-11-19 08:00:18,857 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 08:00:18,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 73 events. 15/73 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 256 event pairs, 15 based on Foata normal form. 1/57 useless extension candidates. Maximal degree in co-relation 96. Up to 47 conditions per place.
[2023-11-19 08:00:18,859 INFO L140 encePairwiseOnDemand]: 341/348 looper letters, 11 selfloop transitions, 0 changer transitions 1/20 dead transitions.
[2023-11-19 08:00:18,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 20 transitions, 70 flow
[2023-11-19 08:00:18,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:00:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 08:00:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 327 transitions.
[2023-11-19 08:00:18,878 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4698275862068966
[2023-11-19 08:00:18,879 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 327 transitions.
[2023-11-19 08:00:18,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 327 transitions.
[2023-11-19 08:00:18,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:00:18,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 327 transitions.
[2023-11-19 08:00:18,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 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)
[2023-11-19 08:00:18,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 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)
[2023-11-19 08:00:18,900 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 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)
[2023-11-19 08:00:18,904 INFO L175 Difference]: Start difference. First operand has 29 places, 27 transitions, 60 flow. Second operand 2 states and 327 transitions.
[2023-11-19 08:00:18,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 20 transitions, 70 flow
[2023-11-19 08:00:18,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 20 transitions, 66 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 08:00:18,909 INFO L231 Difference]: Finished difference. Result has 22 places, 19 transitions, 39 flow
[2023-11-19 08:00:18,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=39, PETRI_PLACES=22, PETRI_TRANSITIONS=19}
[2023-11-19 08:00:18,915 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -7 predicate places.
[2023-11-19 08:00:18,915 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 39 flow
[2023-11-19 08:00:18,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 154.5) internal successors, (309), 2 states have internal predecessors, (309), 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)
[2023-11-19 08:00:18,916 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:00:18,916 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-11-19 08:00:18,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:00:18,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-11-19 08:00:18,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:18,918 INFO L85 PathProgramCache]: Analyzing trace with hash 18684480, now seen corresponding path program 1 times
[2023-11-19 08:00:18,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:18,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269390737]
[2023-11-19 08:00:18,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:18,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:00:19,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:19,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269390737]
[2023-11-19 08:00:19,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269390737] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:19,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:00:19,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:00:19,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757239927]
[2023-11-19 08:00:19,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:19,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:00:19,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:19,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:00:19,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:00:19,198 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 348
[2023-11-19 08:00:19,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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)
[2023-11-19 08:00:19,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:00:19,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 348
[2023-11-19 08:00:19,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:00:19,255 INFO L124 PetriNetUnfolderBase]: 15/65 cut-off events.
[2023-11-19 08:00:19,255 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:00:19,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 65 events. 15/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 190 event pairs, 15 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 108. Up to 42 conditions per place.
[2023-11-19 08:00:19,256 INFO L140 encePairwiseOnDemand]: 345/348 looper letters, 10 selfloop transitions, 0 changer transitions 2/20 dead transitions.
[2023-11-19 08:00:19,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 20 transitions, 65 flow
[2023-11-19 08:00:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:00:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:00:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 457 transitions.
[2023-11-19 08:00:19,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43773946360153254
[2023-11-19 08:00:19,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 457 transitions.
[2023-11-19 08:00:19,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 457 transitions.
[2023-11-19 08:00:19,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:00:19,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 457 transitions.
[2023-11-19 08:00:19,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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)
[2023-11-19 08:00:19,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 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)
[2023-11-19 08:00:19,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 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)
[2023-11-19 08:00:19,273 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 39 flow. Second operand 3 states and 457 transitions.
[2023-11-19 08:00:19,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 20 transitions, 65 flow
[2023-11-19 08:00:19,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 20 transitions, 65 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:00:19,275 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 41 flow
[2023-11-19 08:00:19,275 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=39, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=41, PETRI_PLACES=24, PETRI_TRANSITIONS=18}
[2023-11-19 08:00:19,276 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -5 predicate places.
[2023-11-19 08:00:19,276 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 41 flow
[2023-11-19 08:00:19,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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)
[2023-11-19 08:00:19,277 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:00:19,277 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 08:00:19,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:00:19,278 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-11-19 08:00:19,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:19,279 INFO L85 PathProgramCache]: Analyzing trace with hash 573850071, now seen corresponding path program 1 times
[2023-11-19 08:00:19,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:19,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520854231]
[2023-11-19 08:00:19,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:19,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:00:19,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:19,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520854231]
[2023-11-19 08:00:19,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520854231] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:19,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:00:19,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:00:19,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314961884]
[2023-11-19 08:00:19,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:19,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:00:19,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:19,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:00:19,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:00:19,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 348
[2023-11-19 08:00:19,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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)
[2023-11-19 08:00:19,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:00:19,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 348
[2023-11-19 08:00:19,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:00:19,539 INFO L124 PetriNetUnfolderBase]: 22/81 cut-off events.
[2023-11-19 08:00:19,539 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 08:00:19,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 81 events. 22/81 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 275 event pairs, 13 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 147. Up to 47 conditions per place.
[2023-11-19 08:00:19,540 INFO L140 encePairwiseOnDemand]: 343/348 looper letters, 13 selfloop transitions, 4 changer transitions 2/25 dead transitions.
[2023-11-19 08:00:19,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 25 transitions, 97 flow
[2023-11-19 08:00:19,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:00:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:00:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions.
[2023-11-19 08:00:19,544 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42432950191570884
[2023-11-19 08:00:19,544 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 443 transitions.
[2023-11-19 08:00:19,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 443 transitions.
[2023-11-19 08:00:19,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:00:19,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 443 transitions.
[2023-11-19 08:00:19,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 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)
[2023-11-19 08:00:19,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 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)
[2023-11-19 08:00:19,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 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)
[2023-11-19 08:00:19,553 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 41 flow. Second operand 3 states and 443 transitions.
[2023-11-19 08:00:19,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 25 transitions, 97 flow
[2023-11-19 08:00:19,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 25 transitions, 89 flow, removed 4 selfloop flow, removed 1 redundant places.
[2023-11-19 08:00:19,558 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 61 flow
[2023-11-19 08:00:19,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=25, PETRI_TRANSITIONS=20}
[2023-11-19 08:00:19,560 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -4 predicate places.
[2023-11-19 08:00:19,564 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 20 transitions, 61 flow
[2023-11-19 08:00:19,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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)
[2023-11-19 08:00:19,565 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:00:19,565 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:19,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:00:19,566 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-11-19 08:00:19,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:19,567 INFO L85 PathProgramCache]: Analyzing trace with hash 610040526, now seen corresponding path program 1 times
[2023-11-19 08:00:19,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:19,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170830738]
[2023-11-19 08:00:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:19,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:00:19,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:00:19,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:00:19,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170830738]
[2023-11-19 08:00:19,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170830738] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:00:19,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:00:19,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:00:19,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844940292]
[2023-11-19 08:00:19,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:00:19,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:00:19,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:00:19,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:00:19,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:00:19,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 348
[2023-11-19 08:00:19,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 20 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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)
[2023-11-19 08:00:19,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:00:19,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 348
[2023-11-19 08:00:19,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:00:19,794 INFO L124 PetriNetUnfolderBase]: 24/80 cut-off events.
[2023-11-19 08:00:19,794 INFO L125 PetriNetUnfolderBase]: For 21/23 co-relation queries the response was YES.
[2023-11-19 08:00:19,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 80 events. 24/80 cut-off events. For 21/23 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 250 event pairs, 13 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 189. Up to 48 conditions per place.
[2023-11-19 08:00:19,798 INFO L140 encePairwiseOnDemand]: 343/348 looper letters, 16 selfloop transitions, 6 changer transitions 0/27 dead transitions.
[2023-11-19 08:00:19,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 27 transitions, 132 flow
[2023-11-19 08:00:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:00:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:00:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions.
[2023-11-19 08:00:19,801 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667
[2023-11-19 08:00:19,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions.
[2023-11-19 08:00:19,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions.
[2023-11-19 08:00:19,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:00:19,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions.
[2023-11-19 08:00:19,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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)
[2023-11-19 08:00:19,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 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)
[2023-11-19 08:00:19,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 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)
[2023-11-19 08:00:19,809 INFO L175 Difference]: Start difference. First operand has 25 places, 20 transitions, 61 flow. Second operand 3 states and 435 transitions.
[2023-11-19 08:00:19,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 27 transitions, 132 flow
[2023-11-19 08:00:19,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 27 transitions, 125 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 08:00:19,812 INFO L231 Difference]: Finished difference. Result has 27 places, 24 transitions, 105 flow
[2023-11-19 08:00:19,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=27, PETRI_TRANSITIONS=24}
[2023-11-19 08:00:19,814 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -2 predicate places.
[2023-11-19 08:00:19,814 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 24 transitions, 105 flow
[2023-11-19 08:00:19,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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)
[2023-11-19 08:00:19,815 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:00:19,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:00:19,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:00:19,815 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-11-19 08:00:19,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:00:19,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1699220021, now seen corresponding path program 1 times
[2023-11-19 08:00:19,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:00:19,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612816935]
[2023-11-19 08:00:19,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:00:19,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:00:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:19,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:00:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:00:19,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:00:19,911 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 08:00:19,913 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining)
[2023-11-19 08:00:19,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining)
[2023-11-19 08:00:19,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining)
[2023-11-19 08:00:19,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining)
[2023-11-19 08:00:19,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining)
[2023-11-19 08:00:19,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining)
[2023-11-19 08:00:19,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining)
[2023-11-19 08:00:19,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining)
[2023-11-19 08:00:19,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining)
[2023-11-19 08:00:19,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining)
[2023-11-19 08:00:19,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining)
[2023-11-19 08:00:19,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining)
[2023-11-19 08:00:19,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:00:19,932 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-19 08:00:19,938 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 08:00:19,938 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:00:19,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre35 could not be translated
[2023-11-19 08:00:19,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
[2023-11-19 08:00:19,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
[2023-11-19 08:00:19,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
[2023-11-19 08:00:19,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:19 BasicIcfg
[2023-11-19 08:00:19,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:00:19,973 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:00:19,973 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:00:19,973 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:00:19,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:13" (3/4) ...
[2023-11-19 08:00:19,976 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 08:00:19,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:00:19,978 INFO L158 Benchmark]: Toolchain (without parser) took 9173.63ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 95.9MB in the beginning and 112.8MB in the end (delta: -16.9MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB.
[2023-11-19 08:00:19,978 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 48.9MB in the beginning and 48.7MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:00:19,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1409.55ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 78.5MB in the end (delta: 17.1MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB.
[2023-11-19 08:00:19,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.16ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 75.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:00:19,979 INFO L158 Benchmark]: Boogie Preprocessor took 56.40ms. Allocated memory is still 136.3MB. Free memory was 75.6MB in the beginning and 72.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:00:19,980 INFO L158 Benchmark]: RCFGBuilder took 727.10ms. Allocated memory is still 136.3MB. Free memory was 72.9MB in the beginning and 50.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-19 08:00:19,980 INFO L158 Benchmark]: TraceAbstraction took 6883.91ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 49.8MB in the beginning and 112.8MB in the end (delta: -63.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:00:19,981 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 174.1MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:00:19,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 48.9MB in the beginning and 48.7MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1409.55ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 78.5MB in the end (delta: 17.1MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 80.16ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 75.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 56.40ms. Allocated memory is still 136.3MB. Free memory was 75.6MB in the beginning and 72.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 727.10ms. Allocated memory is still 136.3MB. Free memory was 72.9MB in the beginning and 50.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 6883.91ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 49.8MB in the beginning and 112.8MB in the end (delta: -63.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.25ms. Allocated memory is still 174.1MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~pre35 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 5.1s, 146 PlacesBefore, 29 PlacesAfterwards, 149 TransitionsBefore, 27 TransitionsAfterwards, 1104 CoEnabledTransitionPairs, 10 FixpointIterations, 112 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 180 TotalNumberOfCompositions, 2663 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1607, independent: 1384, independent conditional: 0, independent unconditional: 1384, dependent: 223, dependent conditional: 0, dependent unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 615, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1607, independent: 792, independent conditional: 0, independent unconditional: 792, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 615, unknown conditional: 0, unknown unconditional: 615] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- DataRaceFoundResult [Line: 1699]: Data race detected
[2023-11-19 08:00:19,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre35 could not be translated
[2023-11-19 08:00:19,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
[2023-11-19 08:00:19,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
[2023-11-19 08:00:19,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
[2023-11-19 08:00:20,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre35 could not be translated
[2023-11-19 08:00:20,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
[2023-11-19 08:00:20,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
[2023-11-19 08:00:20,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
Data race detected
The following path leads to a data race:
[L1694] 0 pthread_t t1;
[L1695] 0 pthread_mutex_t mutex;
[L1696] 0 int pdev;
[L1726] CALL, EXPR 0 module_init()
[L1705] 0 pdev = 1
[L1706] EXPR 0 pdev==1
[L1706] CALL 0 ldv_assert(pdev==1)
[L1693] COND FALSE 0 !(!expression)
[L1706] RET 0 ldv_assert(pdev==1)
[L1707] COND TRUE 0 __VERIFIER_nondet_int()
[L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0))
VAL [arg={0:0}, mutex={4:0}, pdev=1, t1={3:0}]
[L1699] 1 pdev = 6
VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}]
[L1709] 0 return 0;
[L1726] RET, EXPR 0 module_init()
[L1726] COND FALSE 0 !(module_init()!=0)
[L1727] CALL 0 module_exit()
[L1717] 0 void *status;
[L1718] 0 pdev = 4
VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, status={5:0}, t1={3:0}]
[L1699] 1 pdev = 6
VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, t1={3:0}]
Now there is a data race on ~pdev~0 between
C: pdev = 4 [1718]
and
C: pdev = 6 [1699]
- UnprovableResult [Line: 1705]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1706]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1711]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1712]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1718]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1719]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1720]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1722]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1723]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1708]: 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.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 173 locations, 12 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: 6.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 11, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 08:00:20,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ff8e0a-8d8f-4e43-a11f-757d937a4415/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE