./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.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_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/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_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:34:56,073 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:34:56,180 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 07:34:56,188 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:34:56,189 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:34:56,230 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:34:56,230 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:34:56,231 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:34:56,232 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:34:56,237 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:34:56,238 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:34:56,239 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:34:56,239 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:34:56,241 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:34:56,242 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:34:56,242 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:34:56,243 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:34:56,243 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:34:56,244 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:34:56,244 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:34:56,245 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:34:56,245 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:34:56,246 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 07:34:56,246 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:34:56,247 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:34:56,247 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:34:56,248 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:34:56,249 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:34:56,249 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:34:56,250 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:34:56,251 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:34:56,252 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:34:56,252 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:34:56,252 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:34:56,253 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:34:56,253 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:34:56,253 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:34:56,254 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:34:56,254 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:34:56,254 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:34:56,254 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:34:56,255 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_dd0e01e2-ea24-4c11-b091-abd7c321b556/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_dd0e01e2-ea24-4c11-b091-abd7c321b556/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 ! overflow) )


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 -> 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0
[2023-11-19 07:34:56,563 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:34:56,585 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:34:56,587 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:34:56,589 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:34:56,589 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:34:56,590 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c
[2023-11-19 07:34:59,722 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:34:59,969 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:34:59,970 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c
[2023-11-19 07:34:59,983 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/data/eff02636e/088a5dffd38540f5813617a6c33cdade/FLAG0181e7002
[2023-11-19 07:35:00,004 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/data/eff02636e/088a5dffd38540f5813617a6c33cdade
[2023-11-19 07:35:00,010 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:35:00,012 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:35:00,018 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:35:00,018 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:35:00,023 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:35:00,024 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,025 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de7b36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00, skipping insertion in model container
[2023-11-19 07:35:00,026 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,058 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:35:00,287 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:35:00,297 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:35:00,324 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:35:00,336 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:35:00,336 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00 WrapperNode
[2023-11-19 07:35:00,337 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:35:00,338 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:35:00,338 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:35:00,338 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:35:00,346 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,355 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,378 INFO  L138                Inliner]: procedures = 17, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83
[2023-11-19 07:35:00,378 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:35:00,379 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:35:00,379 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:35:00,380 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:35:00,389 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,390 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,394 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,394 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,403 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,405 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,407 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,410 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,413 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:35:00,414 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:35:00,415 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:35:00,415 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:35:00,416 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ...
[2023-11-19 07:35:00,422 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:35:00,445 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:35:00,457 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:35:00,498 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:35:00,507 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:35:00,507 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:35:00,507 INFO  L130     BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0
[2023-11-19 07:35:00,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0
[2023-11-19 07:35:00,508 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:35:00,508 INFO  L130     BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0
[2023-11-19 07:35:00,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0
[2023-11-19 07:35:00,508 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:35:00,509 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:35:00,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:35:00,509 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:35:00,509 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 07:35:00,509 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 07:35:00,509 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:35:00,642 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:35:00,645 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:35:01,091 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:35:01,099 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:35:01,099 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:35:01,102 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:01 BoogieIcfgContainer
[2023-11-19 07:35:01,102 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:35:01,105 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:35:01,105 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:35:01,109 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:35:01,109 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:00" (1/3) ...
[2023-11-19 07:35:01,110 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd69520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:01, skipping insertion in model container
[2023-11-19 07:35:01,110 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (2/3) ...
[2023-11-19 07:35:01,111 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd69520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:01, skipping insertion in model container
[2023-11-19 07:35:01,111 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:01" (3/3) ...
[2023-11-19 07:35:01,112 INFO  L112   eAbstractionObserver]: Analyzing ICFG recursified_hard-u.c
[2023-11-19 07:35:01,127 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:35:01,127 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2023-11-19 07:35:01,128 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd69520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:01, skipping insertion in model container
[2023-11-19 07:35:01,128 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:35:01,129 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:35:01,129 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:35:01,129 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:35:01,130 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:01" (3/3) ...
[2023-11-19 07:35:01,132 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:35:01,136 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_31_to_38_0
[2023-11-19 07:35:01,136 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2023-11-19 07:35:01,136 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_41_to_51_0
[2023-11-19 07:35:01,143 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges
[2023-11-19 07:35:01,144 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2023-11-19 07:35:01,144 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:35:01,145 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:35:01,262 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:35:01,262 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:35:01,263 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:35:01,265 INFO  L158              Benchmark]: Toolchain (without parser) took 1251.83ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 74.7MB in the beginning and 105.9MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:35:01,265 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:35:01,266 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 319.44ms. Allocated memory is still 119.5MB. Free memory was 74.3MB in the beginning and 63.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:35:01,266 INFO  L158              Benchmark]: Boogie Procedure Inliner took 40.68ms. Allocated memory is still 119.5MB. Free memory was 63.0MB in the beginning and 61.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:35:01,266 INFO  L158              Benchmark]: Boogie Preprocessor took 34.42ms. Allocated memory is still 119.5MB. Free memory was 61.2MB in the beginning and 59.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:35:01,267 INFO  L158              Benchmark]: RCFGBuilder took 688.30ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 59.6MB in the beginning and 115.1MB in the end (delta: -55.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB.
[2023-11-19 07:35:01,267 INFO  L158              Benchmark]: TraceAbstraction took 23.12ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:35:01,268 INFO  L158              Benchmark]: Witness Printer took 133.69ms. Allocated memory is still 146.8MB. Free memory was 112.1MB in the beginning and 105.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:35:01,270 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 319.44ms. Allocated memory is still 119.5MB. Free memory was 74.3MB in the beginning and 63.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 40.68ms. Allocated memory is still 119.5MB. Free memory was 63.0MB in the beginning and 61.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 34.42ms. Allocated memory is still 119.5MB. Free memory was 61.2MB in the beginning and 59.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 688.30ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 59.6MB in the beginning and 115.1MB in the end (delta: -55.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 23.12ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Witness Printer took 133.69ms. Allocated memory is still 146.8MB. Free memory was 112.1MB in the beginning and 105.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - AllSpecificationsHoldResult: All specifications hold
    We were not able to verify any specification because the program does not contain any specification.
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:35:01,304 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0e01e2-ea24-4c11-b091-abd7c321b556/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