./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/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_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/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_af58779f-4420-4673-9943-baf5472267de/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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:02:23,497 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:02:23,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 08:02:23,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:02:23,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:02:23,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:02:23,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:02:23,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:02:23,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:02:23,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:02:23,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:02:23,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:02:23,714 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:02:23,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:02:23,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:02:23,718 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:02:23,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:02:23,719 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:02:23,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:02:23,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:02:23,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:02:23,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:02:23,722 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-11-19 08:02:23,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:02:23,723 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:02:23,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:02:23,725 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:02:23,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:02:23,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:02:23,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:02:23,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:02:23,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:02:23,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:02:23,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:02:23,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:02:23,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:02:23,732 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:02:23,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:02:23,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:02:23,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:02:23,733 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:02:23,734 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_af58779f-4420-4673-9943-baf5472267de/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9
[2023-11-19 08:02:24,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:02:24,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:02:24,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:02:24,161 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:02:24,161 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:02:24,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c
[2023-11-19 08:02:27,220 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:02:27,492 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:02:27,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c
[2023-11-19 08:02:27,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/data/29d82a517/6a89e6b7811a4586bdfb71a5092e70f7/FLAG4ab9c9303
[2023-11-19 08:02:27,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/data/29d82a517/6a89e6b7811a4586bdfb71a5092e70f7
[2023-11-19 08:02:27,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:02:27,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:02:27,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:02:27,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:02:27,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:02:27,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfafc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27, skipping insertion in model container
[2023-11-19 08:02:27,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,574 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:02:27,785 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:02:27,805 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:02:27,834 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:02:27,850 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:02:27,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27 WrapperNode
[2023-11-19 08:02:27,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:02:27,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:02:27,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:02:27,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:02:27,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,902 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 207
[2023-11-19 08:02:27,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:02:27,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:02:27,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:02:27,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:02:27,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:02:27,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:02:27,944 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:02:27,944 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:02:27,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (1/1) ...
[2023-11-19 08:02:27,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:02:27,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:27,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:02:28,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:02:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:02:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2023-11-19 08:02:28,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-19 08:02:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2023-11-19 08:02:28,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-19 08:02:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:02:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 08:02:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 08:02:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:02:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:02:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 08:02:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:02:28,032 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 08:02:28,204 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:02:28,218 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:02:28,739 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:02:28,754 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:02:28,754 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 08:02:28,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:28 BoogieIcfgContainer
[2023-11-19 08:02:28,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:02:28,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:02:28,763 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:02:28,766 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:02:28,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:27" (1/3) ...
[2023-11-19 08:02:28,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc7e63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:28, skipping insertion in model container
[2023-11-19 08:02:28,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:27" (2/3) ...
[2023-11-19 08:02:28,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc7e63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:28, skipping insertion in model container
[2023-11-19 08:02:28,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:28" (3/3) ...
[2023-11-19 08:02:28,770 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c
[2023-11-19 08:02:28,778 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 08:02:28,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:02:28,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations.
[2023-11-19 08:02:28,791 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 08:02:28,911 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-19 08:02:28,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 268 places, 275 transitions, 564 flow
[2023-11-19 08:02:29,175 INFO L124 PetriNetUnfolderBase]: 14/273 cut-off events.
[2023-11-19 08:02:29,175 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 08:02:29,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 273 events. 14/273 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 470 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 141. Up to 2 conditions per place.
[2023-11-19 08:02:29,192 INFO L82 GeneralOperation]: Start removeDead. Operand has 268 places, 275 transitions, 564 flow
[2023-11-19 08:02:29,201 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 244 places, 249 transitions, 510 flow
[2023-11-19 08:02:29,205 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 08:02:29,216 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 249 transitions, 510 flow
[2023-11-19 08:02:29,219 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 249 transitions, 510 flow
[2023-11-19 08:02:29,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 244 places, 249 transitions, 510 flow
[2023-11-19 08:02:29,284 INFO L124 PetriNetUnfolderBase]: 12/249 cut-off events.
[2023-11-19 08:02:29,284 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 08:02:29,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 249 events. 12/249 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 461 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 141. Up to 2 conditions per place.
[2023-11-19 08:02:29,296 INFO L119 LiptonReduction]: Number of co-enabled transitions 11468
[2023-11-19 08:02:36,656 INFO L134 LiptonReduction]: Checked pairs total: 27801
[2023-11-19 08:02:36,657 INFO L136 LiptonReduction]: Total number of compositions: 271
[2023-11-19 08:02:36,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:02:36,701 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;@733402ef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:02:36,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations.
[2023-11-19 08:02:36,703 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 08:02:36,703 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events.
[2023-11-19 08:02:36,703 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 08:02:36,704 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:36,704 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 08:02:36,705 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2023-11-19 08:02:36,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:36,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1020, now seen corresponding path program 1 times
[2023-11-19 08:02:36,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:36,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163853939]
[2023-11-19 08:02:36,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:36,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:36,824 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 08:02:36,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:36,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163853939]
[2023-11-19 08:02:36,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163853939] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:36,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:36,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 08:02:36,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361765978]
[2023-11-19 08:02:36,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:36,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:02:36,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:36,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:02:36,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:02:36,901 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 546
[2023-11-19 08:02:36,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 57 transitions, 126 flow. Second operand has 2 states, 2 states have (on average 263.5) internal successors, (527), 2 states have internal predecessors, (527), 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 08:02:36,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:36,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 546
[2023-11-19 08:02:36,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:37,033 INFO L124 PetriNetUnfolderBase]: 208/433 cut-off events.
[2023-11-19 08:02:37,033 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2023-11-19 08:02:37,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 433 events. 208/433 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2188 event pairs, 144 based on Foata normal form. 1/347 useless extension candidates. Maximal degree in co-relation 717. Up to 337 conditions per place.
[2023-11-19 08:02:37,039 INFO L140 encePairwiseOnDemand]: 533/546 looper letters, 23 selfloop transitions, 0 changer transitions 1/44 dead transitions.
[2023-11-19 08:02:37,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 44 transitions, 148 flow
[2023-11-19 08:02:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:02:37,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 08:02:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 563 transitions.
[2023-11-19 08:02:37,058 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5155677655677655
[2023-11-19 08:02:37,059 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 563 transitions.
[2023-11-19 08:02:37,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 563 transitions.
[2023-11-19 08:02:37,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:37,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 563 transitions.
[2023-11-19 08:02:37,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 281.5) internal successors, (563), 2 states have internal predecessors, (563), 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 08:02:37,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 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 08:02:37,079 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 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 08:02:37,081 INFO L175 Difference]: Start difference. First operand has 60 places, 57 transitions, 126 flow. Second operand 2 states and 563 transitions.
[2023-11-19 08:02:37,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 44 transitions, 148 flow
[2023-11-19 08:02:37,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 44 transitions, 140 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-11-19 08:02:37,087 INFO L231 Difference]: Finished difference. Result has 44 places, 43 transitions, 89 flow
[2023-11-19 08:02:37,089 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=546, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=89, PETRI_PLACES=44, PETRI_TRANSITIONS=43}
[2023-11-19 08:02:37,093 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -16 predicate places.
[2023-11-19 08:02:37,093 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 43 transitions, 89 flow
[2023-11-19 08:02:37,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 263.5) internal successors, (527), 2 states have internal predecessors, (527), 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 08:02:37,094 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:37,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-11-19 08:02:37,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:02:37,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2023-11-19 08:02:37,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash 31590663, now seen corresponding path program 1 times
[2023-11-19 08:02:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:37,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754022220]
[2023-11-19 08:02:37,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:37,182 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 08:02:37,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:37,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754022220]
[2023-11-19 08:02:37,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754022220] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:37,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:37,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:02:37,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792601510]
[2023-11-19 08:02:37,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:37,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:02:37,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:37,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:02:37,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:37,208 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 546
[2023-11-19 08:02:37,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 43 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 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 08:02:37,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:37,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 546
[2023-11-19 08:02:37,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:37,323 INFO L124 PetriNetUnfolderBase]: 233/502 cut-off events.
[2023-11-19 08:02:37,324 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2023-11-19 08:02:37,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 889 conditions, 502 events. 233/502 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2586 event pairs, 73 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 886. Up to 368 conditions per place.
[2023-11-19 08:02:37,329 INFO L140 encePairwiseOnDemand]: 540/546 looper letters, 28 selfloop transitions, 3 changer transitions 0/47 dead transitions.
[2023-11-19 08:02:37,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 47 transitions, 160 flow
[2023-11-19 08:02:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:02:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:02:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions.
[2023-11-19 08:02:37,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48412698412698413
[2023-11-19 08:02:37,340 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions.
[2023-11-19 08:02:37,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions.
[2023-11-19 08:02:37,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:37,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions.
[2023-11-19 08:02:37,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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 08:02:37,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:37,356 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:37,356 INFO L175 Difference]: Start difference. First operand has 44 places, 43 transitions, 89 flow. Second operand 3 states and 793 transitions.
[2023-11-19 08:02:37,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 47 transitions, 160 flow
[2023-11-19 08:02:37,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 47 transitions, 160 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:02:37,359 INFO L231 Difference]: Finished difference. Result has 43 places, 43 transitions, 104 flow
[2023-11-19 08:02:37,359 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=546, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=43, PETRI_TRANSITIONS=43}
[2023-11-19 08:02:37,360 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -17 predicate places.
[2023-11-19 08:02:37,360 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 43 transitions, 104 flow
[2023-11-19 08:02:37,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 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 08:02:37,361 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:37,361 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:37,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:02:37,362 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2023-11-19 08:02:37,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:37,363 INFO L85 PathProgramCache]: Analyzing trace with hash 296799943, now seen corresponding path program 1 times
[2023-11-19 08:02:37,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:37,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615189896]
[2023-11-19 08:02:37,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:37,423 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 08:02:37,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:37,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615189896]
[2023-11-19 08:02:37,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615189896] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:37,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:37,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:02:37,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729304714]
[2023-11-19 08:02:37,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:37,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:02:37,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:37,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:02:37,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:37,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 546
[2023-11-19 08:02:37,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 43 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 08:02:37,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:37,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 546
[2023-11-19 08:02:37,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:37,579 INFO L124 PetriNetUnfolderBase]: 317/650 cut-off events.
[2023-11-19 08:02:37,579 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES.
[2023-11-19 08:02:37,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1253 conditions, 650 events. 317/650 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3247 event pairs, 79 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 1249. Up to 488 conditions per place.
[2023-11-19 08:02:37,584 INFO L140 encePairwiseOnDemand]: 540/546 looper letters, 36 selfloop transitions, 3 changer transitions 0/49 dead transitions.
[2023-11-19 08:02:37,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 49 transitions, 198 flow
[2023-11-19 08:02:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:02:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:02:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 798 transitions.
[2023-11-19 08:02:37,589 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717
[2023-11-19 08:02:37,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 798 transitions.
[2023-11-19 08:02:37,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 798 transitions.
[2023-11-19 08:02:37,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:37,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 798 transitions.
[2023-11-19 08:02:37,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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 08:02:37,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:37,600 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:37,600 INFO L175 Difference]: Start difference. First operand has 43 places, 43 transitions, 104 flow. Second operand 3 states and 798 transitions.
[2023-11-19 08:02:37,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 49 transitions, 198 flow
[2023-11-19 08:02:37,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 49 transitions, 198 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:02:37,605 INFO L231 Difference]: Finished difference. Result has 43 places, 43 transitions, 119 flow
[2023-11-19 08:02:37,605 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=546, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=43, PETRI_TRANSITIONS=43}
[2023-11-19 08:02:37,606 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -17 predicate places.
[2023-11-19 08:02:37,607 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 43 transitions, 119 flow
[2023-11-19 08:02:37,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 08:02:37,608 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:37,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:37,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:02:37,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2023-11-19 08:02:37,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:37,613 INFO L85 PathProgramCache]: Analyzing trace with hash -890705959, now seen corresponding path program 1 times
[2023-11-19 08:02:37,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:37,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404773824]
[2023-11-19 08:02:37,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:37,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:37,723 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 08:02:37,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:37,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404773824]
[2023-11-19 08:02:37,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404773824] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:37,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:37,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:02:37,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595720618]
[2023-11-19 08:02:37,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:37,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:02:37,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:37,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:02:37,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:37,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 546
[2023-11-19 08:02:37,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 43 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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 08:02:37,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:37,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 546
[2023-11-19 08:02:37,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:37,919 INFO L124 PetriNetUnfolderBase]: 361/742 cut-off events.
[2023-11-19 08:02:37,920 INFO L125 PetriNetUnfolderBase]: For 71/73 co-relation queries the response was YES.
[2023-11-19 08:02:37,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1510 conditions, 742 events. 361/742 cut-off events. For 71/73 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3954 event pairs, 127 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 1505. Up to 312 conditions per place.
[2023-11-19 08:02:37,926 INFO L140 encePairwiseOnDemand]: 542/546 looper letters, 47 selfloop transitions, 2 changer transitions 0/61 dead transitions.
[2023-11-19 08:02:37,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 61 transitions, 263 flow
[2023-11-19 08:02:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:02:37,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:02:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 815 transitions.
[2023-11-19 08:02:37,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49755799755799757
[2023-11-19 08:02:37,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 815 transitions.
[2023-11-19 08:02:37,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 815 transitions.
[2023-11-19 08:02:37,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:37,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 815 transitions.
[2023-11-19 08:02:37,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 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 08:02:37,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:37,939 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:37,939 INFO L175 Difference]: Start difference. First operand has 43 places, 43 transitions, 119 flow. Second operand 3 states and 815 transitions.
[2023-11-19 08:02:37,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 61 transitions, 263 flow
[2023-11-19 08:02:37,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 61 transitions, 263 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:02:37,944 INFO L231 Difference]: Finished difference. Result has 44 places, 43 transitions, 129 flow
[2023-11-19 08:02:37,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=546, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=44, PETRI_TRANSITIONS=43}
[2023-11-19 08:02:37,946 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -16 predicate places.
[2023-11-19 08:02:37,946 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 43 transitions, 129 flow
[2023-11-19 08:02:37,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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 08:02:37,947 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:37,947 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:37,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:02:37,948 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2023-11-19 08:02:37,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:37,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1369741087, now seen corresponding path program 1 times
[2023-11-19 08:02:37,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:37,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302993534]
[2023-11-19 08:02:37,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:37,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:38,038 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 08:02:38,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:38,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302993534]
[2023-11-19 08:02:38,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302993534] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:38,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:38,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:02:38,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39017572]
[2023-11-19 08:02:38,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:38,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:02:38,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:38,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:02:38,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:38,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 546
[2023-11-19 08:02:38,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 43 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 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 08:02:38,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:38,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 546
[2023-11-19 08:02:38,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:38,203 INFO L124 PetriNetUnfolderBase]: 304/625 cut-off events.
[2023-11-19 08:02:38,204 INFO L125 PetriNetUnfolderBase]: For 86/88 co-relation queries the response was YES.
[2023-11-19 08:02:38,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1358 conditions, 625 events. 304/625 cut-off events. For 86/88 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3233 event pairs, 181 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 1352. Up to 397 conditions per place.
[2023-11-19 08:02:38,208 INFO L140 encePairwiseOnDemand]: 541/546 looper letters, 30 selfloop transitions, 4 changer transitions 6/54 dead transitions.
[2023-11-19 08:02:38,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 54 transitions, 239 flow
[2023-11-19 08:02:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:02:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:02:38,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 800 transitions.
[2023-11-19 08:02:38,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4884004884004884
[2023-11-19 08:02:38,213 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 800 transitions.
[2023-11-19 08:02:38,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 800 transitions.
[2023-11-19 08:02:38,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:38,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 800 transitions.
[2023-11-19 08:02:38,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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 08:02:38,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:38,224 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:38,224 INFO L175 Difference]: Start difference. First operand has 44 places, 43 transitions, 129 flow. Second operand 3 states and 800 transitions.
[2023-11-19 08:02:38,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 54 transitions, 239 flow
[2023-11-19 08:02:38,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 54 transitions, 239 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 08:02:38,228 INFO L231 Difference]: Finished difference. Result has 45 places, 42 transitions, 135 flow
[2023-11-19 08:02:38,228 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=546, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=135, PETRI_PLACES=45, PETRI_TRANSITIONS=42}
[2023-11-19 08:02:38,233 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -15 predicate places.
[2023-11-19 08:02:38,233 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 42 transitions, 135 flow
[2023-11-19 08:02:38,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 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 08:02:38,234 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 08:02:38,234 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:38,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:02:38,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2023-11-19 08:02:38,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:38,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1269913571, now seen corresponding path program 1 times
[2023-11-19 08:02:38,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:38,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519737488]
[2023-11-19 08:02:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:38,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:38,297 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 08:02:38,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:38,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519737488]
[2023-11-19 08:02:38,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519737488] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:38,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:38,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:02:38,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980320376]
[2023-11-19 08:02:38,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:38,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:02:38,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:38,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:02:38,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:38,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 546
[2023-11-19 08:02:38,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 42 transitions, 135 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 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 08:02:38,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 08:02:38,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 546
[2023-11-19 08:02:38,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 08:02:38,445 INFO L124 PetriNetUnfolderBase]: 372/703 cut-off events.
[2023-11-19 08:02:38,446 INFO L125 PetriNetUnfolderBase]: For 153/155 co-relation queries the response was YES.
[2023-11-19 08:02:38,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 703 events. 372/703 cut-off events. For 153/155 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3332 event pairs, 137 based on Foata normal form. 0/646 useless extension candidates. Maximal degree in co-relation 1689. Up to 334 conditions per place.
[2023-11-19 08:02:38,448 INFO L140 encePairwiseOnDemand]: 542/546 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions.
[2023-11-19 08:02:38,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 60 transitions, 290 flow
[2023-11-19 08:02:38,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:02:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 08:02:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 815 transitions.
[2023-11-19 08:02:38,452 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49755799755799757
[2023-11-19 08:02:38,452 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 815 transitions.
[2023-11-19 08:02:38,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 815 transitions.
[2023-11-19 08:02:38,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 08:02:38,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 815 transitions.
[2023-11-19 08:02:38,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 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 08:02:38,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:38,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 546.0) internal successors, (2184), 4 states have internal predecessors, (2184), 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 08:02:38,464 INFO L175 Difference]: Start difference. First operand has 45 places, 42 transitions, 135 flow. Second operand 3 states and 815 transitions.
[2023-11-19 08:02:38,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 60 transitions, 290 flow
[2023-11-19 08:02:38,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 60 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 08:02:38,471 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow
[2023-11-19 08:02:38,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=546, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0}
[2023-11-19 08:02:38,475 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -17 predicate places.
[2023-11-19 08:02:38,475 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow
[2023-11-19 08:02:38,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 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 08:02:38,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining)
[2023-11-19 08:02:38,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining)
[2023-11-19 08:02:38,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining)
[2023-11-19 08:02:38,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining)
[2023-11-19 08:02:38,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining)
[2023-11-19 08:02:38,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining)
[2023-11-19 08:02:38,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining)
[2023-11-19 08:02:38,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining)
[2023-11-19 08:02:38,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining)
[2023-11-19 08:02:38,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining)
[2023-11-19 08:02:38,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining)
[2023-11-19 08:02:38,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining)
[2023-11-19 08:02:38,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining)
[2023-11-19 08:02:38,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining)
[2023-11-19 08:02:38,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining)
[2023-11-19 08:02:38,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining)
[2023-11-19 08:02:38,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining)
[2023-11-19 08:02:38,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining)
[2023-11-19 08:02:38,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining)
[2023-11-19 08:02:38,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining)
[2023-11-19 08:02:38,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining)
[2023-11-19 08:02:38,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining)
[2023-11-19 08:02:38,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining)
[2023-11-19 08:02:38,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining)
[2023-11-19 08:02:38,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining)
[2023-11-19 08:02:38,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining)
[2023-11-19 08:02:38,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining)
[2023-11-19 08:02:38,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining)
[2023-11-19 08:02:38,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining)
[2023-11-19 08:02:38,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining)
[2023-11-19 08:02:38,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining)
[2023-11-19 08:02:38,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining)
[2023-11-19 08:02:38,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining)
[2023-11-19 08:02:38,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining)
[2023-11-19 08:02:38,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining)
[2023-11-19 08:02:38,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining)
[2023-11-19 08:02:38,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining)
[2023-11-19 08:02:38,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining)
[2023-11-19 08:02:38,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:02:38,494 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:38,500 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 08:02:38,500 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:02:38,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:38 BasicIcfg
[2023-11-19 08:02:38,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:02:38,510 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:02:38,510 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:02:38,510 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:02:38,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:28" (3/4) ...
[2023-11-19 08:02:38,512 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 08:02:38,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2023-11-19 08:02:38,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2023-11-19 08:02:38,525 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2023-11-19 08:02:38,525 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 08:02:38,526 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 08:02:38,526 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 08:02:38,634 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:02:38,635 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 08:02:38,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:02:38,636 INFO L158 Benchmark]: Toolchain (without parser) took 11105.89ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 159.6MB in the beginning and 82.7MB in the end (delta: 76.9MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB.
[2023-11-19 08:02:38,636 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:02:38,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.16ms. Allocated memory is still 192.9MB. Free memory was 159.6MB in the beginning and 148.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 08:02:38,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.49ms. Allocated memory is still 192.9MB. Free memory was 148.0MB in the beginning and 145.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:02:38,637 INFO L158 Benchmark]: Boogie Preprocessor took 39.55ms. Allocated memory is still 192.9MB. Free memory was 145.5MB in the beginning and 143.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:02:38,638 INFO L158 Benchmark]: RCFGBuilder took 816.06ms. Allocated memory is still 192.9MB. Free memory was 143.8MB in the beginning and 122.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 08:02:38,638 INFO L158 Benchmark]: TraceAbstraction took 9746.22ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 121.4MB in the beginning and 88.0MB in the end (delta: 33.5MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB.
[2023-11-19 08:02:38,638 INFO L158 Benchmark]: Witness Printer took 125.02ms. Allocated memory is still 232.8MB. Free memory was 88.0MB in the beginning and 82.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 08:02:38,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 319.16ms. Allocated memory is still 192.9MB. Free memory was 159.6MB in the beginning and 148.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.49ms. Allocated memory is still 192.9MB. Free memory was 148.0MB in the beginning and 145.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.55ms. Allocated memory is still 192.9MB. Free memory was 145.5MB in the beginning and 143.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 816.06ms. Allocated memory is still 192.9MB. Free memory was 143.8MB in the beginning and 122.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 9746.22ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 121.4MB in the beginning and 88.0MB in the end (delta: 33.5MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB.
* Witness Printer took 125.02ms. Allocated memory is still 232.8MB. Free memory was 88.0MB in the beginning and 82.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 7.4s, 244 PlacesBefore, 60 PlacesAfterwards, 249 TransitionsBefore, 57 TransitionsAfterwards, 11468 CoEnabledTransitionPairs, 8 FixpointIterations, 115 TrivialSequentialCompositions, 104 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 31 ConcurrentYvCompositions, 8 ChoiceCompositions, 271 TotalNumberOfCompositions, 27801 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14347, independent: 13803, independent conditional: 0, independent unconditional: 13803, dependent: 544, dependent conditional: 0, dependent unconditional: 544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6638, independent: 6577, independent conditional: 0, independent unconditional: 6577, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14347, independent: 7226, independent conditional: 0, independent unconditional: 7226, dependent: 483, dependent conditional: 0, dependent unconditional: 483, unknown: 6638, unknown conditional: 0, unknown unconditional: 6638] , Statistics on independence cache: Total cache size (in pairs): 352, Positive cache size: 323, Positive conditional cache size: 0, Positive unconditional cache size: 323, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 43]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 49]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 58]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 59]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 60]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 61]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 66]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 67]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 69]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 69]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 70]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 70]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 71]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 71]: 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 5 procedures, 380 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 15 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=5, InterpolantAutomatonStates: 17, 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, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
24 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 08:02:38,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58779f-4420-4673-9943-baf5472267de/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
Result:
TRUE