./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0233d496bfaf5cb1311bfa260a57f41458184795
................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:27:30,573 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:27:30,576 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:27:30,627 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:27:30,628 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:27:30,633 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:27:30,635 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:27:30,639 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:27:30,642 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:27:30,651 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:27:30,652 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:27:30,655 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:27:30,655 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:27:30,659 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:27:30,660 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:27:30,664 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:27:30,666 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:27:30,671 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:27:30,673 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:27:30,701 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:27:30,703 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:27:30,705 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:27:30,709 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:27:30,714 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:27:30,717 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:27:30,718 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:27:30,718 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:27:30,719 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:27:30,720 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:27:30,721 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:27:30,722 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:27:30,723 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:27:30,724 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:27:30,725 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:27:30,726 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:27:30,726 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:27:30,727 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:27:30,728 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:27:30,728 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:27:30,741 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:27:30,742 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:27:30,743 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-10-11 00:27:30,772 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:27:30,773 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:27:30,774 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:27:30,774 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:27:30,775 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:27:30,775 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:27:30,775 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:27:30,775 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:27:30,776 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:27:30,776 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:27:30,776 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:27:30,776 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:27:30,777 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2021-10-11 00:27:30,777 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:27:30,777 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:27:30,790 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:27:30,790 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:27:30,790 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:27:30,791 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:27:30,791 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:27:30,791 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:27:30,791 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:27:30,792 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:27:30,792 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:27:30,792 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:27:30,792 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:27:30,792 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:27:30,793 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/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_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0233d496bfaf5cb1311bfa260a57f41458184795
[2021-10-11 00:27:31,036 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:27:31,064 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:27:31,066 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:27:31,068 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:27:31,077 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:27:31,079 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c
[2021-10-11 00:27:31,161 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/data/373d8a3e7/859b68224b334d1583898feee90245b0/FLAG2679afe6d
[2021-10-11 00:27:31,664 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:27:31,665 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c
[2021-10-11 00:27:31,676 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/data/373d8a3e7/859b68224b334d1583898feee90245b0/FLAG2679afe6d
[2021-10-11 00:27:31,983 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/data/373d8a3e7/859b68224b334d1583898feee90245b0
[2021-10-11 00:27:31,985 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:27:31,987 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:27:31,989 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:27:31,989 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:27:31,992 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:27:31,993 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:31" (1/1) ...
[2021-10-11 00:27:31,996 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b09935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:31, skipping insertion in model container
[2021-10-11 00:27:31,996 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:31" (1/1) ...
[2021-10-11 00:27:32,003 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:27:32,017 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:27:32,152 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:27:32,162 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:27:32,177 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:27:32,190 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:27:32,191 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32 WrapperNode
[2021-10-11 00:27:32,191 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:27:32,192 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:27:32,192 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:27:32,193 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:27:32,200 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,207 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,225 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:27:32,226 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:27:32,226 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:27:32,226 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:27:32,234 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,235 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,236 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,237 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,241 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,244 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,246 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
[2021-10-11 00:27:32,247 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:27:32,248 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:27:32,249 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:27:32,249 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:27:32,250 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:27:32,339 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:27:32,340 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:27:32,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:27:32,340 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-11 00:27:32,340 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:27:32,340 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:27:32,547 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:27:32,548 INFO  L299             CfgBuilder]: Removed 5 assume(true) statements.
[2021-10-11 00:27:32,549 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:32 BoogieIcfgContainer
[2021-10-11 00:27:32,550 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:27:32,552 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:27:32,552 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:27:32,564 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:27:32,565 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:31" (1/3) ...
[2021-10-11 00:27:32,566 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea554ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:32, skipping insertion in model container
[2021-10-11 00:27:32,566 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:32" (2/3) ...
[2021-10-11 00:27:32,566 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea554ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:32, skipping insertion in model container
[2021-10-11 00:27:32,567 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:32" (3/3) ...
[2021-10-11 00:27:32,568 INFO  L111   eAbstractionObserver]: Analyzing ICFG 4BitCounterPointer.c
[2021-10-11 00:27:32,582 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:27:32,585 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations.
[2021-10-11 00:27:32,599 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 0 error locations.
[2021-10-11 00:27:32,622 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:27:32,622 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-10-11 00:27:32,622 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:27:32,622 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:27:32,623 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:27:32,623 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:27:32,623 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:27:32,623 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:27:32,645 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states.
[2021-10-11 00:27:32,650 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:27:32,652 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 11 states.
[2021-10-11 00:27:32,698 INFO  L265        CegarLoopResult]: At program point  L33(lines 6 34)  the Hoare annotation is:  true
[2021-10-11 00:27:32,698 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2021-10-11 00:27:32,698 INFO  L262        CegarLoopResult]: For program point  L15-1(lines 15 32)  no Hoare annotation was computed.
[2021-10-11 00:27:32,698 INFO  L262        CegarLoopResult]: For program point  L15-3(lines 15 32)  no Hoare annotation was computed.
[2021-10-11 00:27:32,699 INFO  L262        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2021-10-11 00:27:32,699 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startENTRY(line -1)  no Hoare annotation was computed.
[2021-10-11 00:27:32,699 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2021-10-11 00:27:32,699 INFO  L262        CegarLoopResult]: For program point  L24(lines 24 29)  no Hoare annotation was computed.
[2021-10-11 00:27:32,699 INFO  L265        CegarLoopResult]: At program point  L24-2(lines 15 32)  the Hoare annotation is:  true
[2021-10-11 00:27:32,699 INFO  L262        CegarLoopResult]: For program point  L20(lines 20 30)  no Hoare annotation was computed.
[2021-10-11 00:27:32,699 INFO  L262        CegarLoopResult]: For program point  L16(lines 16 31)  no Hoare annotation was computed.
[2021-10-11 00:27:32,708 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:32 BoogieIcfgContainer
[2021-10-11 00:27:32,708 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:27:32,709 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:27:32,709 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:27:32,709 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:27:32,710 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:32" (3/4) ...
[2021-10-11 00:27:32,713 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:27:32,724 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2021-10-11 00:27:32,725 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2021-10-11 00:27:32,725 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:27:32,787 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b6de8b-a0db-4b67-95e8-aab34e57cfbb/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:27:32,787 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:27:32,790 INFO  L168              Benchmark]: Toolchain (without parser) took 801.49 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 65.6 MB in the beginning and 101.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:32,791 INFO  L168              Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 61.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:27:32,792 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 202.94 ms. Allocated memory is still 92.3 MB. Free memory was 65.4 MB in the beginning and 56.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:32,794 INFO  L168              Benchmark]: Boogie Procedure Inliner took 32.97 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 55.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:32,795 INFO  L168              Benchmark]: Boogie Preprocessor took 21.69 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 53.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:27:32,796 INFO  L168              Benchmark]: RCFGBuilder took 301.63 ms. Allocated memory is still 92.3 MB. Free memory was 53.7 MB in the beginning and 41.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:32,815 INFO  L168              Benchmark]: TraceAbstraction took 156.46 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 40.8 MB in the beginning and 105.0 MB in the end (delta: -64.2 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:27:32,816 INFO  L168              Benchmark]: Witness Printer took 78.60 ms. Allocated memory is still 130.0 MB. Free memory was 105.0 MB in the beginning and 101.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:27:32,823 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 61.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 202.94 ms. Allocated memory is still 92.3 MB. Free memory was 65.4 MB in the beginning and 56.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 32.97 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 55.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 21.69 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 53.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * RCFGBuilder took 301.63 ms. Allocated memory is still 92.3 MB. Free memory was 53.7 MB in the beginning and 41.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 156.46 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 40.8 MB in the beginning and 105.0 MB in the end (delta: -64.2 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Witness Printer took 78.60 ms. Allocated memory is still 130.0 MB. Free memory was 105.0 MB in the beginning and 101.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - AllSpecificationsHoldResult: All specifications hold
    We were not able to verify any specifiation because the program does not contain any specification.
  - InvariantResult [Line: 15]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 6]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 11 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...