./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for overflows
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_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0114971c55bb3ac56cba53b1f36a4abfb42729c079f90200b21654f0e6a33fd
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 03:28:03,112 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 03:28:03,220 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf
[2023-11-19 03:28:03,232 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 03:28:03,233 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-19 03:28:03,269 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 03:28:03,274 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 03:28:03,275 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-11-19 03:28:03,276 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 03:28:03,281 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 03:28:03,283 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 03:28:03,283 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 03:28:03,284 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 03:28:03,286 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 03:28:03,286 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 03:28:03,287 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 03:28:03,287 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 03:28:03,288 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 03:28:03,288 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 03:28:03,289 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 03:28:03,289 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 03:28:03,290 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 03:28:03,290 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 03:28:03,291 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 03:28:03,292 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-19 03:28:03,292 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-19 03:28:03,293 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-19 03:28:03,294 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 03:28:03,294 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:28:03,295 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 03:28:03,296 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 03:28:03,296 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 03:28:03,297 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-19 03:28:03,297 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 03:28:03,297 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 03:28:03,298 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/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_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL
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 ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
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 -> e0114971c55bb3ac56cba53b1f36a4abfb42729c079f90200b21654f0e6a33fd
[2023-11-19 03:28:03,626 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 03:28:03,660 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 03:28:03,663 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 03:28:03,664 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 03:28:03,665 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 03:28:03,667 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c
[2023-11-19 03:28:06,813 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 03:28:07,090 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 03:28:07,091 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c
[2023-11-19 03:28:07,103 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/data/2b77621c5/9cfad873733a45dba297445735d2c44a/FLAG77d9fdb29
[2023-11-19 03:28:07,124 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/data/2b77621c5/9cfad873733a45dba297445735d2c44a
[2023-11-19 03:28:07,130 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 03:28:07,132 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 03:28:07,138 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 03:28:07,138 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 03:28:07,145 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 03:28:07,148 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,149 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5528d139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07, skipping insertion in model container
[2023-11-19 03:28:07,150 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,180 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 03:28:07,361 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:28:07,374 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 03:28:07,398 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:28:07,407 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 03:28:07,407 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 03:28:07,416 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 03:28:07,416 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07 WrapperNode
[2023-11-19 03:28:07,416 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 03:28:07,418 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 03:28:07,418 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 03:28:07,418 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 03:28:07,426 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,436 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,467 INFO  L138                Inliner]: procedures = 20, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59
[2023-11-19 03:28:07,468 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 03:28:07,468 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 03:28:07,469 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 03:28:07,469 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 03:28:07,479 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,480 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,482 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,483 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,488 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,492 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,494 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,495 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,499 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 03:28:07,500 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 03:28:07,500 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 03:28:07,500 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 03:28:07,501 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:07" (1/1) ...
[2023-11-19 03:28:07,508 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:28:07,525 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/z3
[2023-11-19 03:28:07,539 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-19 03:28:07,562 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-19 03:28:07,581 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 03:28:07,581 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-11-19 03:28:07,582 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-19 03:28:07,583 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-11-19 03:28:07,583 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-19 03:28:07,584 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 03:28:07,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 03:28:07,585 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 03:28:07,585 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 03:28:07,585 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 03:28:07,585 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 03:28:07,586 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 03:28:07,586 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 03:28:07,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 03:28:07,586 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 03:28:07,587 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 03:28:07,588 WARN  L210             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 03:28:07,681 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 03:28:07,686 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 03:28:07,948 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 03:28:07,995 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 03:28:07,999 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 03:28:08,004 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:08 BoogieIcfgContainer
[2023-11-19 03:28:08,004 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 03:28:08,006 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-19 03:28:08,006 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-19 03:28:08,016 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-19 03:28:08,017 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:08" (1/1) ...
[2023-11-19 03:28:08,018 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception:
java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported
	at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2023-11-19 03:28:08,027 INFO  L158              Benchmark]: Toolchain (without parser) took 893.98ms. Allocated memory is still 161.5MB. Free memory was 117.0MB in the beginning and 87.4MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-19 03:28:08,028 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 03:28:08,029 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 278.96ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 105.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 03:28:08,030 INFO  L158              Benchmark]: Boogie Procedure Inliner took 50.18ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 03:28:08,031 INFO  L158              Benchmark]: Boogie Preprocessor took 30.47ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 102.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 03:28:08,033 INFO  L158              Benchmark]: RCFGBuilder took 504.29ms. Allocated memory is still 161.5MB. Free memory was 102.7MB in the beginning and 88.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 03:28:08,034 INFO  L158              Benchmark]: CodeCheck took 19.10ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 87.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 03:28:08,044 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported
    de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174)
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 278.96ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 105.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 50.18ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 30.47ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 102.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 504.29ms. Allocated memory is still 161.5MB. Free memory was 102.7MB in the beginning and 88.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * CodeCheck took 19.10ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 87.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2023-11-19 03:28:08,094 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
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_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0114971c55bb3ac56cba53b1f36a4abfb42729c079f90200b21654f0e6a33fd
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 03:28:11,069 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 03:28:11,229 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf
[2023-11-19 03:28:11,280 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 03:28:11,281 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 03:28:11,282 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-11-19 03:28:11,283 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 03:28:11,284 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 03:28:11,285 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 03:28:11,290 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 03:28:11,291 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 03:28:11,291 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 03:28:11,292 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 03:28:11,293 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 03:28:11,294 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 03:28:11,294 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 03:28:11,295 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-11-19 03:28:11,295 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-11-19 03:28:11,296 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 03:28:11,297 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 03:28:11,297 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 03:28:11,298 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 03:28:11,298 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 03:28:11,298 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 03:28:11,299 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-19 03:28:11,299 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-19 03:28:11,300 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-19 03:28:11,300 INFO  L153        SettingsManager]:  * Command for calling external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 03:28:11,301 INFO  L153        SettingsManager]:  * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode
[2023-11-19 03:28:11,301 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 03:28:11,302 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:28:11,303 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 03:28:11,303 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 03:28:11,304 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 03:28:11,304 INFO  L153        SettingsManager]:  * Trace refinement strategy=WALRUS
[2023-11-19 03:28:11,304 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 03:28:11,304 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 03:28:11,305 INFO  L153        SettingsManager]:  * Use separate solver for trace checks=false
[2023-11-19 03:28:11,305 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 03:28:11,306 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
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_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/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_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL
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 ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
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 -> e0114971c55bb3ac56cba53b1f36a4abfb42729c079f90200b21654f0e6a33fd
[2023-11-19 03:28:11,770 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 03:28:11,814 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 03:28:11,817 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 03:28:11,819 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 03:28:11,820 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 03:28:11,822 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c
[2023-11-19 03:28:15,220 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 03:28:15,494 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 03:28:15,495 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c
[2023-11-19 03:28:15,504 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/data/3e91709fd/e9a917abb07e4f47b68840ed3fe19e86/FLAG258c1baa5
[2023-11-19 03:28:15,520 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/data/3e91709fd/e9a917abb07e4f47b68840ed3fe19e86
[2023-11-19 03:28:15,523 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 03:28:15,524 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 03:28:15,526 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 03:28:15,526 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 03:28:15,531 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 03:28:15,532 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,533 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d89efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15, skipping insertion in model container
[2023-11-19 03:28:15,534 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,559 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 03:28:15,755 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:28:15,772 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 03:28:15,808 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:28:15,821 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 03:28:15,822 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 03:28:15,830 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 03:28:15,831 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15 WrapperNode
[2023-11-19 03:28:15,831 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 03:28:15,832 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 03:28:15,832 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 03:28:15,833 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 03:28:15,841 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,868 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,896 INFO  L138                Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59
[2023-11-19 03:28:15,897 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 03:28:15,898 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 03:28:15,898 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 03:28:15,898 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 03:28:15,908 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,908 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,920 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,920 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,938 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,941 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,943 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,951 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,961 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 03:28:15,962 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 03:28:15,962 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 03:28:15,962 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 03:28:15,963 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ...
[2023-11-19 03:28:15,969 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:28:15,986 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/z3
[2023-11-19 03:28:16,001 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-19 03:28:16,035 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-19 03:28:16,049 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 03:28:16,049 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-11-19 03:28:16,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-19 03:28:16,050 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-11-19 03:28:16,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-19 03:28:16,050 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 03:28:16,050 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 03:28:16,050 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 03:28:16,051 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 03:28:16,051 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 03:28:16,051 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 03:28:16,051 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 03:28:16,051 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 03:28:16,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 03:28:16,053 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 03:28:16,054 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 03:28:16,056 WARN  L210             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 03:28:16,230 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 03:28:16,232 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 03:28:16,568 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 03:28:16,609 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 03:28:16,610 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 03:28:16,614 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:16 BoogieIcfgContainer
[2023-11-19 03:28:16,614 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 03:28:16,615 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-19 03:28:16,616 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-19 03:28:16,629 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-19 03:28:16,629 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:16" (1/1) ...
[2023-11-19 03:28:16,630 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception:
java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported
	at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2023-11-19 03:28:16,635 INFO  L158              Benchmark]: Toolchain (without parser) took 1109.40ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 56.1MB in the end (delta: 5.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB.
[2023-11-19 03:28:16,636 INFO  L158              Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 03:28:16,637 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 305.40ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 50.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 03:28:16,637 INFO  L158              Benchmark]: Boogie Procedure Inliner took 64.77ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 03:28:16,638 INFO  L158              Benchmark]: Boogie Preprocessor took 63.25ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 03:28:16,639 INFO  L158              Benchmark]: RCFGBuilder took 652.63ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 57.2MB in the end (delta: -10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 03:28:16,640 INFO  L158              Benchmark]: CodeCheck took 17.29ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 56.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 03:28:16,645 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported
    de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174)
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 305.40ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 50.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 64.77ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 63.25ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 652.63ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 57.2MB in the end (delta: -10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * CodeCheck took 17.29ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 56.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2023-11-19 03:28:16,685 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e276b4e0-475a-49b8-b185-eec52b02a664/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported