./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.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_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/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_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/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_d96fd57c-3376-48d9-8421-c6c558147466/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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:35:04,606 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:35:04,673 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 07:35:04,678 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:35:04,679 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:35:04,702 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:35:04,703 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:35:04,704 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:35:04,705 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:35:04,706 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:35:04,707 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:35:04,707 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:35:04,708 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:35:04,709 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:35:04,709 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:35:04,710 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:35:04,711 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:35:04,711 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:35:04,712 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:35:04,713 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:35:04,713 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:35:04,714 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:35:04,715 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-11-19 07:35:04,715 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:35:04,716 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:35:04,717 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:35:04,717 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:35:04,718 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:35:04,718 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:35:04,719 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:35:04,720 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:35:04,720 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:35:04,720 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:35:04,721 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:35:04,721 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:35:04,721 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:35:04,722 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:35:04,722 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:35:04,723 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:35:04,723 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:35:04,723 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:35:04,724 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_d96fd57c-3376-48d9-8421-c6c558147466/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_d96fd57c-3376-48d9-8421-c6c558147466/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 -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489
[2023-11-19 07:35:05,009 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:35:05,037 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:35:05,040 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:35:05,041 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:35:05,043 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:35:05,045 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c
[2023-11-19 07:35:08,107 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:35:08,411 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:35:08,412 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c
[2023-11-19 07:35:08,424 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/data/d02adb923/a96c2286acdb4fad872ae90078a83572/FLAG7d7f4927b
[2023-11-19 07:35:08,440 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/data/d02adb923/a96c2286acdb4fad872ae90078a83572
[2023-11-19 07:35:08,444 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:35:08,446 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:35:08,447 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:35:08,447 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:35:08,455 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:35:08,459 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,460 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184fc766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08, skipping insertion in model container
[2023-11-19 07:35:08,460 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,490 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:35:08,701 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:35:08,715 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:35:08,746 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:35:08,754 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:35:08,755 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:35:08,763 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:35:08,763 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08 WrapperNode
[2023-11-19 07:35:08,763 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:35:08,765 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:35:08,765 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:35:08,765 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:35:08,773 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,787 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,820 INFO  L138                Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 180
[2023-11-19 07:35:08,820 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:35:08,821 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:35:08,821 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:35:08,821 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:35:08,831 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,831 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,836 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,836 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,849 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,854 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,857 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,859 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,863 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:35:08,864 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:35:08,864 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:35:08,864 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:35:08,865 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (1/1) ...
[2023-11-19 07:35:08,871 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:35:08,884 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:35:08,896 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:35:08,906 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:35:08,934 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:35:08,934 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-11-19 07:35:08,934 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-19 07:35:08,934 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-11-19 07:35:08,934 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-19 07:35:08,935 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2023-11-19 07:35:08,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2023-11-19 07:35:08,935 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2023-11-19 07:35:08,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2023-11-19 07:35:08,935 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:35:08,935 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:35:08,936 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:35:08,936 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:35:08,936 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:35:08,936 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:35:08,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:35:08,936 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:35:08,937 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:35:08,938 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 07:35:09,058 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:35:09,060 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:35:09,481 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:35:09,610 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:35:09,610 INFO  L302             CfgBuilder]: Removed 4 assume(true) statements.
[2023-11-19 07:35:09,615 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:09 BoogieIcfgContainer
[2023-11-19 07:35:09,615 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:35:09,618 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:35:09,618 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:35:09,621 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:35:09,622 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:08" (1/3) ...
[2023-11-19 07:35:09,622 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e540e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:09, skipping insertion in model container
[2023-11-19 07:35:09,623 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:08" (2/3) ...
[2023-11-19 07:35:09,623 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e540e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:09, skipping insertion in model container
[2023-11-19 07:35:09,624 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:09" (3/3) ...
[2023-11-19 07:35:09,625 INFO  L112   eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c
[2023-11-19 07:35:09,634 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:35:09,645 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:35:09,645 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations.
[2023-11-19 07:35:09,645 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:35:09,751 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2023-11-19 07:35:09,814 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 210 places, 207 transitions, 442 flow
[2023-11-19 07:35:09,959 INFO  L124   PetriNetUnfolderBase]: 10/203 cut-off events.
[2023-11-19 07:35:09,959 INFO  L125   PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2023-11-19 07:35:09,967 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 220 conditions, 203 events. 10/203 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 255 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. 
[2023-11-19 07:35:09,967 INFO  L82        GeneralOperation]: Start removeDead. Operand has 210 places, 207 transitions, 442 flow
[2023-11-19 07:35:09,974 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 182 places, 178 transitions, 380 flow
[2023-11-19 07:35:09,979 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:35:09,996 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 178 transitions, 380 flow
[2023-11-19 07:35:10,002 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 178 transitions, 380 flow
[2023-11-19 07:35:10,006 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 182 places, 178 transitions, 380 flow
[2023-11-19 07:35:10,076 INFO  L124   PetriNetUnfolderBase]: 9/178 cut-off events.
[2023-11-19 07:35:10,076 INFO  L125   PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2023-11-19 07:35:10,083 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 195 conditions, 178 events. 9/178 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 252 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. 
[2023-11-19 07:35:10,090 INFO  L119        LiptonReduction]: Number of co-enabled transitions 8774
[2023-11-19 07:35:15,882 INFO  L134        LiptonReduction]: Checked pairs total: 26027
[2023-11-19 07:35:15,883 INFO  L136        LiptonReduction]: Total number of compositions: 168
[2023-11-19 07:35:15,900 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:35:15,908 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;@64d370f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:35:15,909 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 48 error locations.
[2023-11-19 07:35:15,910 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:35:15,911 INFO  L124   PetriNetUnfolderBase]: 0/0 cut-off events.
[2023-11-19 07:35:15,911 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:35:15,911 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:35:15,912 INFO  L208   CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 07:35:15,912 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] ===
[2023-11-19 07:35:15,918 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:35:15,919 INFO  L85        PathProgramCache]: Analyzing trace with hash 865, now seen corresponding path program 1 times
[2023-11-19 07:35:15,930 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:35:15,931 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981529365]
[2023-11-19 07:35:15,932 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:35:15,932 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:35:16,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:16,041 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 07:35:16,042 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:35:16,042 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981529365]
[2023-11-19 07:35:16,043 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981529365] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:35:16,043 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:35:16,044 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 07:35:16,046 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839881499]
[2023-11-19 07:35:16,047 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:35:16,057 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:35:16,063 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:35:16,091 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:35:16,091 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:35:16,095 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 174 out of 375
[2023-11-19 07:35:16,098 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 66 transitions, 156 flow. Second operand  has 2 states, 2 states have (on average 174.5) internal successors, (349), 2 states have internal predecessors, (349), 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 07:35:16,099 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:35:16,099 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 375
[2023-11-19 07:35:16,100 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:35:16,556 INFO  L124   PetriNetUnfolderBase]: 1627/2254 cut-off events.
[2023-11-19 07:35:16,557 INFO  L125   PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES.
[2023-11-19 07:35:16,561 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4576 conditions, 2254 events. 1627/2254 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9495 event pairs, 1113 based on Foata normal form. 515/2478 useless extension candidates. Maximal degree in co-relation 3501. Up to 2150 conditions per place. 
[2023-11-19 07:35:16,582 INFO  L140   encePairwiseOnDemand]: 349/375 looper letters, 29 selfloop transitions, 0 changer transitions 1/40 dead transitions.
[2023-11-19 07:35:16,582 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 40 transitions, 164 flow
[2023-11-19 07:35:16,584 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-19 07:35:16,586 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 07:35:16,600 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 404 transitions.
[2023-11-19 07:35:16,605 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.5386666666666666
[2023-11-19 07:35:16,606 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 404 transitions.
[2023-11-19 07:35:16,606 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 404 transitions.
[2023-11-19 07:35:16,610 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:35:16,613 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 404 transitions.
[2023-11-19 07:35:16,618 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 202.0) internal successors, (404), 2 states have internal predecessors, (404), 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 07:35:16,625 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 07:35:16,626 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 07:35:16,629 INFO  L175             Difference]: Start difference. First operand has 71 places, 66 transitions, 156 flow. Second operand 2 states and 404 transitions.
[2023-11-19 07:35:16,630 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 40 transitions, 164 flow
[2023-11-19 07:35:16,638 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 148 flow, removed 0 selfloop flow, removed 8 redundant places.
[2023-11-19 07:35:16,640 INFO  L231             Difference]: Finished difference. Result has 42 places, 39 transitions, 85 flow
[2023-11-19 07:35:16,642 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=375, PETRI_DIFFERENCE_MINUEND_FLOW=88, 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=2, PETRI_FLOW=85, PETRI_PLACES=42, PETRI_TRANSITIONS=39}
[2023-11-19 07:35:16,648 INFO  L281   CegarLoopForPetriNet]: 71 programPoint places, -29 predicate places.
[2023-11-19 07:35:16,649 INFO  L495      AbstractCegarLoop]: Abstraction has has 42 places, 39 transitions, 85 flow
[2023-11-19 07:35:16,649 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 174.5) internal successors, (349), 2 states have internal predecessors, (349), 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 07:35:16,649 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:35:16,650 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:35:16,650 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:35:16,651 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] ===
[2023-11-19 07:35:16,651 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:35:16,652 INFO  L85        PathProgramCache]: Analyzing trace with hash 823054775, now seen corresponding path program 1 times
[2023-11-19 07:35:16,652 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:35:16,653 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700249883]
[2023-11-19 07:35:16,653 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:35:16,654 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:35:16,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:35:16,837 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 07:35:16,838 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:35:16,838 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700249883]
[2023-11-19 07:35:16,838 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700249883] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:35:16,839 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:35:16,839 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:35:16,839 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605846222]
[2023-11-19 07:35:16,839 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:35:16,841 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:35:16,841 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:35:16,842 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:35:16,843 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:35:16,874 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 161 out of 375
[2023-11-19 07:35:16,875 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 39 transitions, 85 flow. Second operand  has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 07:35:16,875 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:35:16,875 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 375
[2023-11-19 07:35:16,876 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:35:17,686 INFO  L124   PetriNetUnfolderBase]: 6257/8180 cut-off events.
[2023-11-19 07:35:17,687 INFO  L125   PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES.
[2023-11-19 07:35:17,699 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16530 conditions, 8180 events. 6257/8180 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 32731 event pairs, 2213 based on Foata normal form. 0/6836 useless extension candidates. Maximal degree in co-relation 16527. Up to 8036 conditions per place. 
[2023-11-19 07:35:17,709 INFO  L140   encePairwiseOnDemand]: 367/375 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions.
[2023-11-19 07:35:17,710 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 210 flow
[2023-11-19 07:35:17,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:35:17,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:35:17,712 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions.
[2023-11-19 07:35:17,714 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.47733333333333333
[2023-11-19 07:35:17,714 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 537 transitions.
[2023-11-19 07:35:17,717 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions.
[2023-11-19 07:35:17,718 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:35:17,718 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions.
[2023-11-19 07:35:17,720 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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 07:35:17,725 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 375.0) internal successors, (1500), 4 states have internal predecessors, (1500), 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 07:35:17,727 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 375.0) internal successors, (1500), 4 states have internal predecessors, (1500), 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 07:35:17,728 INFO  L175             Difference]: Start difference. First operand has 42 places, 39 transitions, 85 flow. Second operand 3 states and 537 transitions.
[2023-11-19 07:35:17,728 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 210 flow
[2023-11-19 07:35:17,729 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 50 transitions, 210 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:35:17,736 INFO  L231             Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow
[2023-11-19 07:35:17,736 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=375, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0}
[2023-11-19 07:35:17,737 INFO  L281   CegarLoopForPetriNet]: 71 programPoint places, -32 predicate places.
[2023-11-19 07:35:17,738 INFO  L495      AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow
[2023-11-19 07:35:17,738 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 07:35:17,742 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining)
[2023-11-19 07:35:17,742 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining)
[2023-11-19 07:35:17,743 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining)
[2023-11-19 07:35:17,743 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining)
[2023-11-19 07:35:17,744 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining)
[2023-11-19 07:35:17,745 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining)
[2023-11-19 07:35:17,746 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining)
[2023-11-19 07:35:17,746 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining)
[2023-11-19 07:35:17,747 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining)
[2023-11-19 07:35:17,747 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining)
[2023-11-19 07:35:17,747 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining)
[2023-11-19 07:35:17,752 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining)
[2023-11-19 07:35:17,752 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining)
[2023-11-19 07:35:17,752 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining)
[2023-11-19 07:35:17,752 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining)
[2023-11-19 07:35:17,753 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining)
[2023-11-19 07:35:17,754 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining)
[2023-11-19 07:35:17,754 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining)
[2023-11-19 07:35:17,755 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining)
[2023-11-19 07:35:17,755 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining)
[2023-11-19 07:35:17,755 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining)
[2023-11-19 07:35:17,755 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 48 remaining)
[2023-11-19 07:35:17,756 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 48 remaining)
[2023-11-19 07:35:17,756 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 48 remaining)
[2023-11-19 07:35:17,756 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 48 remaining)
[2023-11-19 07:35:17,757 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining)
[2023-11-19 07:35:17,757 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining)
[2023-11-19 07:35:17,757 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining)
[2023-11-19 07:35:17,758 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining)
[2023-11-19 07:35:17,758 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 48 remaining)
[2023-11-19 07:35:17,758 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining)
[2023-11-19 07:35:17,758 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining)
[2023-11-19 07:35:17,758 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining)
[2023-11-19 07:35:17,759 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining)
[2023-11-19 07:35:17,759 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining)
[2023-11-19 07:35:17,759 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining)
[2023-11-19 07:35:17,759 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining)
[2023-11-19 07:35:17,759 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining)
[2023-11-19 07:35:17,760 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining)
[2023-11-19 07:35:17,760 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining)
[2023-11-19 07:35:17,761 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining)
[2023-11-19 07:35:17,761 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining)
[2023-11-19 07:35:17,761 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining)
[2023-11-19 07:35:17,766 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining)
[2023-11-19 07:35:17,766 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining)
[2023-11-19 07:35:17,767 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining)
[2023-11-19 07:35:17,767 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining)
[2023-11-19 07:35:17,767 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining)
[2023-11-19 07:35:17,767 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:35:17,768 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-19 07:35:17,775 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:35:17,776 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:35:17,781 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:17 BasicIcfg
[2023-11-19 07:35:17,781 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:35:17,782 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:35:17,782 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:35:17,783 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:35:17,783 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:09" (3/4) ...
[2023-11-19 07:35:17,785 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:35:17,790 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2023-11-19 07:35:17,790 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2023-11-19 07:35:17,790 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2023-11-19 07:35:17,791 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread4
[2023-11-19 07:35:17,798 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2023-11-19 07:35:17,799 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:35:17,799 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:35:17,800 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:35:17,958 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:35:17,958 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:35:17,958 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:35:17,959 INFO  L158              Benchmark]: Toolchain (without parser) took 9513.21ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 125.4MB in the beginning and 124.4MB in the end (delta: 1.0MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB.
[2023-11-19 07:35:17,959 INFO  L158              Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:35:17,960 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 317.04ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 113.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:35:17,960 INFO  L158              Benchmark]: Boogie Procedure Inliner took 55.78ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 110.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:35:17,961 INFO  L158              Benchmark]: Boogie Preprocessor took 42.04ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 109.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:35:17,961 INFO  L158              Benchmark]: RCFGBuilder took 751.77ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 78.4MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-19 07:35:17,962 INFO  L158              Benchmark]: TraceAbstraction took 8164.05ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 78.1MB in the beginning and 44.4MB in the end (delta: 33.7MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB.
[2023-11-19 07:35:17,962 INFO  L158              Benchmark]: Witness Printer took 176.11ms. Allocated memory is still 188.7MB. Free memory was 44.4MB in the beginning and 124.4MB in the end (delta: -80.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
[2023-11-19 07:35:17,964 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 317.04ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 113.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 55.78ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 110.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 42.04ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 109.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 751.77ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 78.4MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 8164.05ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 78.1MB in the beginning and 44.4MB in the end (delta: 33.7MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB.
 * Witness Printer took 176.11ms. Allocated memory is still 188.7MB. Free memory was 44.4MB in the beginning and 124.4MB in the end (delta: -80.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 5.9s, 182 PlacesBefore, 71 PlacesAfterwards, 178 TransitionsBefore, 66 TransitionsAfterwards, 8774 CoEnabledTransitionPairs, 7 FixpointIterations, 54 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 12 ConcurrentYvCompositions, 1 ChoiceCompositions, 168 TotalNumberOfCompositions, 26027 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10682, independent: 10307, independent conditional: 0, independent unconditional: 10307, dependent: 375, dependent conditional: 0, dependent unconditional: 375, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5009, independent: 4943, independent conditional: 0, independent unconditional: 4943, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10682, independent: 5364, independent conditional: 0, independent unconditional: 5364, dependent: 309, dependent conditional: 0, dependent unconditional: 309, unknown: 5009, unknown conditional: 0, unknown unconditional: 5009] , Statistics on independence cache: Total cache size (in pairs): 529, Positive cache size: 484, Positive conditional cache size: 0, Positive unconditional cache size: 484, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - PositiveResult [Line: 41]: 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: 51]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 53]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 54]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 54]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 54]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 62]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 64]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 64]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 64]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 85]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 86]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 88]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 95]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 96]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 97]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 98]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 100]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 72]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 74]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 75]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 75]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 75]: 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 9 procedures, 272 locations, 48 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: 8.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 4 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
    26 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:35:18,003 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96fd57c-3376-48d9-8421-c6c558147466/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