./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 75b979445b16a7d0cbf48464bf7b748fed9f6cd2ca88a888f2b108d83230a494
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-09 07:10:22,280 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-09 07:10:22,397 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf
[2024-11-09 07:10:22,405 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 07:10:22,408 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 07:10:22,442 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 07:10:22,443 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 07:10:22,444 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 07:10:22,445 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 07:10:22,445 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 07:10:22,446 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2024-11-09 07:10:22,446 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-09 07:10:22,447 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2024-11-09 07:10:22,447 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-09 07:10:22,448 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2024-11-09 07:10:22,449 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2024-11-09 07:10:22,449 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2024-11-09 07:10:22,450 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2024-11-09 07:10:22,450 INFO  L153        SettingsManager]:  * Interval Domain=false
[2024-11-09 07:10:22,451 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-09 07:10:22,452 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2024-11-09 07:10:22,452 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2024-11-09 07:10:22,453 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 07:10:22,454 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-09 07:10:22,454 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-09 07:10:22,455 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-09 07:10:22,456 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-09 07:10:22,456 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-09 07:10:22,457 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 07:10:22,457 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 07:10:22,458 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 07:10:22,458 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-09 07:10:22,479 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-09 07:10:22,479 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-09 07:10:22,480 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-09 07:10:22,480 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 07:10:22,481 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 07:10:22,481 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-09 07:10:22,483 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 07:10:22,484 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 07:10:22,484 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 07:10:22,485 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 07:10:22,485 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2024-11-09 07:10:22,487 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 07:10:22,487 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 07:10:22,489 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2024-11-09 07:10:22,490 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 07:10:22,490 INFO  L153        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
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_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/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_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje
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 ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
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 -> 75b979445b16a7d0cbf48464bf7b748fed9f6cd2ca88a888f2b108d83230a494
[2024-11-09 07:10:22,891 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 07:10:22,926 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 07:10:22,930 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 07:10:22,933 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-09 07:10:22,934 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-09 07:10:22,935 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c
Unable to find full path for "g++"
[2024-11-09 07:10:25,014 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-09 07:10:25,311 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-09 07:10:25,312 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c
[2024-11-09 07:10:25,322 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/data/c82d62a58/536249437e67477a8a08f695b0140eb0/FLAG5c6b561d8
[2024-11-09 07:10:25,344 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/data/c82d62a58/536249437e67477a8a08f695b0140eb0
[2024-11-09 07:10:25,347 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 07:10:25,349 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 07:10:25,351 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 07:10:25,351 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 07:10:25,359 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 07:10:25,360 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,362 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3109719e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25, skipping insertion in model container
[2024-11-09 07:10:25,362 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,398 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-09 07:10:25,641 WARN  L250   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_d6323782-ed77-4d19-9e24-57c59669f630/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550]
[2024-11-09 07:10:25,670 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 07:10:25,679 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-09 07:10:25,697 WARN  L250   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_d6323782-ed77-4d19-9e24-57c59669f630/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550]
[2024-11-09 07:10:25,712 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 07:10:25,737 INFO  L204         MainTranslator]: Completed translation
[2024-11-09 07:10:25,737 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25 WrapperNode
[2024-11-09 07:10:25,737 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 07:10:25,739 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 07:10:25,739 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 07:10:25,739 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 07:10:25,750 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,758 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,788 INFO  L138                Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52
[2024-11-09 07:10:25,789 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 07:10:25,793 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 07:10:25,793 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 07:10:25,793 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 07:10:25,801 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,802 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,803 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,804 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,807 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,812 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,814 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,815 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,817 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 07:10:25,818 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 07:10:25,818 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 07:10:25,819 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-09 07:10:25,820 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (1/1) ...
[2024-11-09 07:10:25,827 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 07:10:25,845 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 07:10:25,866 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-09 07:10:25,874 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-09 07:10:25,912 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 07:10:25,912 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-09 07:10:25,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-09 07:10:25,915 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-09 07:10:25,916 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 07:10:25,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 07:10:25,916 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-09 07:10:25,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-09 07:10:26,012 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-09 07:10:26,015 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 07:10:26,288 INFO  L?                        ?]: Removed 5 outVars from TransFormulas that were not future-live.
[2024-11-09 07:10:26,289 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-09 07:10:26,355 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 07:10:26,356 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-09 07:10:26,356 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:10:26 BoogieIcfgContainer
[2024-11-09 07:10:26,357 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 07:10:26,360 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 07:10:26,360 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 07:10:26,364 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-09 07:10:26,364 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:10:25" (1/3) ...
[2024-11-09 07:10:26,365 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de2963e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:10:26, skipping insertion in model container
[2024-11-09 07:10:26,365 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:25" (2/3) ...
[2024-11-09 07:10:26,365 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de2963e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:10:26, skipping insertion in model container
[2024-11-09 07:10:26,366 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:10:26" (3/3) ...
[2024-11-09 07:10:26,367 INFO  L112   eAbstractionObserver]: Analyzing ICFG lcm2_valuebound1.c
[2024-11-09 07:10:26,389 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 07:10:26,389 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-09 07:10:26,463 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 07:10:26,470 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bffb605, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 07:10:26,470 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-09 07:10:26,474 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 23 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-09 07:10:26,485 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-09 07:10:26,486 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 07:10:26,487 INFO  L215           NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 07:10:26,487 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 07:10:26,495 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 07:10:26,495 INFO  L85        PathProgramCache]: Analyzing trace with hash -1227187241, now seen corresponding path program 1 times
[2024-11-09 07:10:26,509 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 07:10:26,510 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098831709]
[2024-11-09 07:10:26,510 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 07:10:26,511 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 07:10:26,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-09 07:10:26,749 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155923297]
[2024-11-09 07:10:26,749 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 07:10:26,750 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 07:10:26,750 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 07:10:26,752 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 07:10:26,754 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-09 07:10:26,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 07:10:26,958 INFO  L255         TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-09 07:10:26,968 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 07:10:27,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-09 07:10:27,213 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 07:10:27,213 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 07:10:27,213 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098831709]
[2024-11-09 07:10:27,214 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-09 07:10:27,215 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155923297]
[2024-11-09 07:10:27,216 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155923297] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 07:10:27,216 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 07:10:27,216 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-09 07:10:27,220 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602192233]
[2024-11-09 07:10:27,221 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 07:10:27,227 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-09 07:10:27,228 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 07:10:27,266 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-09 07:10:27,267 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-09 07:10:27,270 INFO  L87              Difference]: Start difference. First operand  has 23 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-09 07:10:27,510 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 07:10:27,511 INFO  L93              Difference]: Finished difference Result 44 states and 63 transitions.
[2024-11-09 07:10:27,512 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-09 07:10:27,514 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 26
[2024-11-09 07:10:27,515 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 07:10:27,549 INFO  L225             Difference]: With dead ends: 44
[2024-11-09 07:10:27,551 INFO  L226             Difference]: Without dead ends: 28
[2024-11-09 07:10:27,556 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-09 07:10:27,564 INFO  L432           NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-09 07:10:27,566 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 78 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-09 07:10:27,595 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2024-11-09 07:10:27,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2024-11-09 07:10:27,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-09 07:10:27,663 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions.
[2024-11-09 07:10:27,666 INFO  L78                 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 26
[2024-11-09 07:10:27,668 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 07:10:27,670 INFO  L471      AbstractCegarLoop]: Abstraction has 28 states and 34 transitions.
[2024-11-09 07:10:27,671 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-09 07:10:27,671 INFO  L276                IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions.
[2024-11-09 07:10:27,673 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-11-09 07:10:27,673 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 07:10:27,674 INFO  L215           NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 07:10:27,685 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-09 07:10:27,874 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-09 07:10:27,875 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 07:10:27,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 07:10:27,876 INFO  L85        PathProgramCache]: Analyzing trace with hash 1929141983, now seen corresponding path program 1 times
[2024-11-09 07:10:27,876 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 07:10:27,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389574578]
[2024-11-09 07:10:27,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 07:10:27,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 07:10:28,036 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 07:10:29,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-11-09 07:10:29,639 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 07:10:29,639 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389574578]
[2024-11-09 07:10:29,640 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389574578] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 07:10:29,641 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039225324]
[2024-11-09 07:10:29,642 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 07:10:29,643 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 07:10:29,643 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 07:10:29,647 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 07:10:29,650 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-09 07:10:29,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 07:10:29,766 INFO  L255         TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-11-09 07:10:29,773 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 07:10:30,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-11-09 07:10:30,125 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 07:10:30,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-11-09 07:10:30,666 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039225324] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 07:10:30,666 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1034273587]
[2024-11-09 07:10:30,699 INFO  L159        IcfgInterpreter]: Started Sifa with 20 locations of interest
[2024-11-09 07:10:30,699 INFO  L166        IcfgInterpreter]: Building call graph
[2024-11-09 07:10:30,705 INFO  L171        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2024-11-09 07:10:30,713 INFO  L176        IcfgInterpreter]: Starting interpretation
[2024-11-09 07:10:30,714 INFO  L197        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2024-11-09 07:10:32,591 INFO  L197        IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 66 for LOIs
[2024-11-09 07:10:32,654 INFO  L197        IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs
[2024-11-09 07:10:32,656 INFO  L180        IcfgInterpreter]: Interpretation finished
[2024-11-09 07:10:34,306 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSifa [1034273587] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 07:10:34,307 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences.
[2024-11-09 07:10:34,307 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8, 8, 8] total 23
[2024-11-09 07:10:34,308 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73629670]
[2024-11-09 07:10:34,308 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 07:10:34,309 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-09 07:10:34,310 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 07:10:34,311 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-09 07:10:34,311 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506
[2024-11-09 07:10:34,312 INFO  L87              Difference]: Start difference. First operand 28 states and 34 transitions. Second operand  has 12 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7)
[2024-11-09 07:10:34,918 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 07:10:34,918 INFO  L93              Difference]: Finished difference Result 29 states and 35 transitions.
[2024-11-09 07:10:34,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-09 07:10:34,919 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) Word has length 33
[2024-11-09 07:10:34,920 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 07:10:34,920 INFO  L225             Difference]: With dead ends: 29
[2024-11-09 07:10:34,920 INFO  L226             Difference]: Without dead ends: 0
[2024-11-09 07:10:34,921 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=120, Invalid=432, Unknown=0, NotChecked=0, Total=552
[2024-11-09 07:10:34,923 INFO  L432           NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-09 07:10:34,923 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-09 07:10:34,924 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-09 07:10:34,925 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-09 07:10:34,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 07:10:34,925 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-09 07:10:34,925 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33
[2024-11-09 07:10:34,925 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 07:10:34,926 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-09 07:10:34,926 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7)
[2024-11-09 07:10:34,926 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-09 07:10:34,926 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-09 07:10:34,930 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-09 07:10:34,956 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-09 07:10:35,131 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 07:10:35,137 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-09 07:10:35,139 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-09 07:10:36,450 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-09 07:10:36,475 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,476 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,477 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,480 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,480 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,480 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,481 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,481 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,481 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,482 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,482 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
[2024-11-09 07:10:36,483 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,483 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,483 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,484 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,484 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,484 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,485 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,485 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,485 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,485 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,486 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,486 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,486 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,486 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,487 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,487 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,487 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,487 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,487 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,488 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,488 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,488 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,488 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,488 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,489 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,489 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,489 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,489 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-09 07:10:36,490 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,490 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,490 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-09 07:10:36,510 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,514 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,515 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,515 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,515 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,516 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,516 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,516 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,517 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,517 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,517 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
[2024-11-09 07:10:36,518 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,518 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,518 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,518 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,519 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,519 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,519 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,519 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,521 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,521 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,521 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,522 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,522 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,523 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,524 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,524 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,525 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,525 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,525 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,526 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,526 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,526 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,526 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,527 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,527 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,528 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,528 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,528 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-09 07:10:36,530 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,530 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,531 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-09 07:10:36,531 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,531 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,532 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,532 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,533 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,533 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,533 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,534 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,534 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,534 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,535 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
[2024-11-09 07:10:36,535 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,537 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,538 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,538 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length
[2024-11-09 07:10:36,539 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
[2024-11-09 07:10:36,539 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,539 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,539 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,539 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,540 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,540 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,540 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,540 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,541 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,541 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,541 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,541 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,545 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,545 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,546 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,546 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
[2024-11-09 07:10:36,548 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,548 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,549 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid
[2024-11-09 07:10:36,549 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
[2024-11-09 07:10:36,549 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,549 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,549 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-09 07:10:36,550 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int
[2024-11-09 07:10:36,550 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
[2024-11-09 07:10:36,550 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
[2024-11-09 07:10:36,558 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:10:36 BoogieIcfgContainer
[2024-11-09 07:10:36,561 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-09 07:10:36,562 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-09 07:10:36,562 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-09 07:10:36,563 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-09 07:10:36,563 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:10:26" (3/4) ...
[2024-11-09 07:10:36,567 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-09 07:10:36,572 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-09 07:10:36,572 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2024-11-09 07:10:36,578 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2024-11-09 07:10:36,578 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-11-09 07:10:36,579 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-09 07:10:36,579 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-09 07:10:36,579 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-09 07:10:36,706 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/witness.graphml
[2024-11-09 07:10:36,706 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/witness.yml
[2024-11-09 07:10:36,707 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-09 07:10:36,707 INFO  L158              Benchmark]: Toolchain (without parser) took 11358.37ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 120.2MB in the beginning and 60.6MB in the end (delta: 59.6MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB.
[2024-11-09 07:10:36,721 INFO  L158              Benchmark]: CDTParser took 0.43ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 121.5MB in the end (delta: 147.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-09 07:10:36,721 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 386.64ms. Allocated memory is still 153.1MB. Free memory was 120.2MB in the beginning and 107.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-09 07:10:36,722 INFO  L158              Benchmark]: Boogie Procedure Inliner took 50.47ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 105.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-09 07:10:36,722 INFO  L158              Benchmark]: Boogie Preprocessor took 24.73ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-09 07:10:36,722 INFO  L158              Benchmark]: RCFGBuilder took 538.63ms. Allocated memory is still 153.1MB. Free memory was 104.5MB in the beginning and 91.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-09 07:10:36,723 INFO  L158              Benchmark]: TraceAbstraction took 10201.93ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 90.5MB in the beginning and 64.8MB in the end (delta: 25.7MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB.
[2024-11-09 07:10:36,723 INFO  L158              Benchmark]: Witness Printer took 144.68ms. Allocated memory is still 218.1MB. Free memory was 64.8MB in the beginning and 60.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-09 07:10:36,728 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.43ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 121.5MB in the end (delta: 147.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 386.64ms. Allocated memory is still 153.1MB. Free memory was 120.2MB in the beginning and 107.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 50.47ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 105.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 24.73ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 538.63ms. Allocated memory is still 153.1MB. Free memory was 104.5MB in the beginning and 91.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 10201.93ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 90.5MB in the beginning and 64.8MB in the end (delta: 25.7MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB.
 * Witness Printer took 144.68ms. Allocated memory is still 218.1MB. Free memory was 64.8MB in the beginning and 60.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #StackHeapBarrier
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #length
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #valid
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 14]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 30 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=1, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 458 SizeOfPredicates, 4 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 108/132 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 2.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 25, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME: 0.2s, TOOLS_POST_CALL_APPLICATIONS: 23, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 54, TOOLS_QUANTIFIERELIM_TIME: 1.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 68, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 25, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 294, DAG_COMPRESSION_RETAINED_NODES: 71, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 37]: Loop Invariant
    Derived loop invariant: ((((((b == u) && (a == 1)) && (b == 1)) && (b == y)) && (a == v)) && (a == x))
  - ProcedureContractResult [Line: 8]: Procedure Contract for assume_abort_if_not
    Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0)
  - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert
    Derived contract for procedure __VERIFIER_assert. Requires: (1 <= cond) Ensures: (1 <= cond)
RESULT: Ultimate proved your program to be correct!
[2024-11-09 07:10:36,760 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6323782-ed77-4d19-9e24-57c59669f630/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE