./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop2-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 5e519f3a
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_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d6049e44e643d71870b7e12e28ac55bea8e41cea8422047cc3b1ccc4fecce009
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:42:17,256 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:42:17,260 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:42:17,321 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:42:17,322 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:42:17,327 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:42:17,329 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:42:17,333 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:42:17,337 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:42:17,344 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:42:17,345 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:42:17,348 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:42:17,349 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:42:17,352 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:42:17,354 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:42:17,356 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:42:17,358 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:42:17,359 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:42:17,361 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:42:17,370 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:42:17,372 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:42:17,373 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:42:17,377 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:42:17,378 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:42:17,388 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:42:17,388 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:42:17,389 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:42:17,391 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:42:17,391 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:42:17,393 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:42:17,393 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:42:17,394 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:42:17,396 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:42:17,398 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:42:17,399 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:42:17,400 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:42:17,400 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:42:17,401 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:42:17,401 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:42:17,402 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:42:17,403 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:42:17,404 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf
[2022-11-02 20:42:17,446 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:42:17,446 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:42:17,447 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:42:17,447 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:42:17,448 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:42:17,448 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:42:17,449 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:42:17,449 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:42:17,450 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:42:17,450 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:42:17,451 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:42:17,451 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:42:17,451 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:42:17,452 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:42:17,452 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:42:17,452 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:42:17,452 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:42:17,452 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:42:17,453 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:42:17,453 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:42:17,453 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:42:17,453 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:42:17,454 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:42:17,454 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:42:17,454 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:42:17,454 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:42:17,456 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:42:17,456 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:42:17,457 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:42:17,457 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:42:17,457 INFO  L138        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_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/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_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 ! call(reach_error())) )


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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6049e44e643d71870b7e12e28ac55bea8e41cea8422047cc3b1ccc4fecce009
[2022-11-02 20:42:17,754 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:42:17,778 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:42:17,781 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:42:17,783 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:42:17,784 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:42:17,785 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop2-back-serstep.c
[2022-11-02 20:42:17,890 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/data/a1e4babda/48ee6ea3e843468a97e54ef2318cf6ac/FLAG2c86d79d4
[2022-11-02 20:42:19,042 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:42:19,043 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop2-back-serstep.c
[2022-11-02 20:42:19,156 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/data/a1e4babda/48ee6ea3e843468a97e54ef2318cf6ac/FLAG2c86d79d4
[2022-11-02 20:42:19,279 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/data/a1e4babda/48ee6ea3e843468a97e54ef2318cf6ac
[2022-11-02 20:42:19,283 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:42:19,286 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:42:19,289 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:42:19,289 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:42:19,293 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:42:19,294 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:42:19" (1/1) ...
[2022-11-02 20:42:19,295 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33975d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:19, skipping insertion in model container
[2022-11-02 20:42:19,295 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:42:19" (1/1) ...
[2022-11-02 20:42:19,303 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:42:19,560 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:42:20,022 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop2-back-serstep.c[1014,1027]
[2022-11-02 20:42:21,665 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:42:21,668 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:42:21,679 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop2-back-serstep.c[1014,1027]
[2022-11-02 20:42:22,928 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:42:22,941 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:42:22,941 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22 WrapperNode
[2022-11-02 20:42:22,943 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:42:22,945 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:42:22,945 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:42:22,946 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:42:22,953 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:23,268 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:25,258 INFO  L138                Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19742
[2022-11-02 20:42:25,258 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:42:25,259 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:42:25,259 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:42:25,259 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:42:25,269 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:25,269 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:25,909 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:25,909 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:26,809 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:26,859 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:26,960 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:27,007 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:27,300 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:42:27,301 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:42:27,301 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:42:27,302 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:42:27,303 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:22" (1/1) ...
[2022-11-02 20:42:27,309 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:42:27,321 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:42:27,334 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:42:27,343 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3f3d96-7196-4fde-9688-3ea89605fe52/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:42:27,368 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:42:27,369 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:42:29,903 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:42:29,905 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation