./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-VMCAI2004-Ex2.c --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-VMCAI2004-Ex2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD --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 ca1afc44f63014e29f4d580a04a159d6262ad0282ff2401b2251eaa1ef4b4115
......................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:37:01,899 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:37:01,901 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:37:01,979 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:37:01,980 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:37:01,987 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:37:01,990 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:37:01,996 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:37:02,000 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:37:02,007 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:37:02,009 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:37:02,012 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:37:02,013 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:37:02,017 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:37:02,020 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:37:02,029 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:37:02,031 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:37:02,033 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:37:02,037 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:37:02,049 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:37:02,051 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:37:02,054 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:37:02,058 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:37:02,060 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:37:02,073 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:37:02,074 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:37:02,074 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:37:02,077 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:37:02,078 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:37:02,080 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:37:02,081 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:37:02,083 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:37:02,086 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:37:02,088 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:37:02,090 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:37:02,090 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:37:02,092 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:37:02,092 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:37:02,092 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:37:02,094 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:37:02,095 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:37:02,096 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-10-28 23:37:02,160 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:37:02,160 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:37:02,161 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:37:02,161 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:37:02,171 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:37:02,172 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:37:02,172 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:37:02,172 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:37:02,173 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:37:02,173 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:37:02,174 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:37:02,175 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:37:02,175 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:37:02,176 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:37:02,176 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2021-10-28 23:37:02,176 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 23:37:02,176 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:37:02,177 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:37:02,177 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:37:02,177 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:37:02,178 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-28 23:37:02,178 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:37:02,178 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:37:02,179 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:37:02,179 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:37:02,179 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 23:37:02,180 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:37:02,180 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:37:02,180 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:37:02,182 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_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/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_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD
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 -> ca1afc44f63014e29f4d580a04a159d6262ad0282ff2401b2251eaa1ef4b4115
[2021-10-28 23:37:02,524 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:37:02,562 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:37:02,566 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:37:02,568 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:37:02,570 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:37:02,572 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-VMCAI2004-Ex2.c
[2021-10-28 23:37:02,682 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/data/f649d8026/d597bea28f40482f99408b48d8fcd1ae/FLAGdfefa56e2
[2021-10-28 23:37:03,404 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:37:03,406 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-VMCAI2004-Ex2.c
[2021-10-28 23:37:03,420 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/data/f649d8026/d597bea28f40482f99408b48d8fcd1ae/FLAGdfefa56e2
[2021-10-28 23:37:03,761 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/data/f649d8026/d597bea28f40482f99408b48d8fcd1ae
[2021-10-28 23:37:03,765 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:37:03,767 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:37:03,769 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:37:03,769 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:37:03,774 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:37:03,776 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:37:03" (1/1) ...
[2021-10-28 23:37:03,777 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619c625d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:03, skipping insertion in model container
[2021-10-28 23:37:03,778 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:37:03" (1/1) ...
[2021-10-28 23:37:03,788 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:37:03,803 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:37:04,079 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:37:04,113 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 23:37:04,130 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:37:04,147 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 23:37:04,148 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04 WrapperNode
[2021-10-28 23:37:04,148 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:37:04,150 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:37:04,151 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:37:04,151 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:37:04,163 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,169 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,200 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:37:04,202 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:37:04,204 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:37:04,204 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:37:04,217 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,217 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,219 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,219 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,225 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,231 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,232 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,242 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:37:04,244 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:37:04,244 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:37:04,245 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:37:04,247 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (1/1) ...
[2021-10-28 23:37:04,259 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:37:04,275 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:37:04,295 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:37:04,317 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:37:04,362 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:37:04,363 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:37:04,585 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:37:04,585 INFO  L299             CfgBuilder]: Removed 5 assume(true) statements.
[2021-10-28 23:37:04,588 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:04 BoogieIcfgContainer
[2021-10-28 23:37:04,589 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:37:04,591 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:37:04,592 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:37:04,600 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:37:04,600 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:37:03" (1/3) ...
[2021-10-28 23:37:04,602 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e8e432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:37:04, skipping insertion in model container
[2021-10-28 23:37:04,602 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:04" (2/3) ...
[2021-10-28 23:37:04,603 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e8e432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:37:04, skipping insertion in model container
[2021-10-28 23:37:04,603 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:04" (3/3) ...
[2021-10-28 23:37:04,605 INFO  L111   eAbstractionObserver]: Analyzing ICFG PodelskiRybalchenko-VMCAI2004-Ex2.c
[2021-10-28 23:37:04,612 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:37:04,613 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2021-10-28 23:37:04,692 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:37:04,706 INFO  L339      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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 23:37:04,706 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-10-28 23:37:04,732 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 14 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 13 states have internal predecessors, (15), 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)
[2021-10-28 23:37:04,739 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2021-10-28 23:37:04,739 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:04,740 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1]
[2021-10-28 23:37:04,742 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-10-28 23:37:04,750 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:04,750 INFO  L85        PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times
[2021-10-28 23:37:04,764 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:04,765 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734827758]
[2021-10-28 23:37:04,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:04,767 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:04,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:04,993 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:37:05,002 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:05,003 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734827758]
[2021-10-28 23:37:05,004 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734827758] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:05,005 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:05,005 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:37:05,007 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308674735]
[2021-10-28 23:37:05,014 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:05,019 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:05,044 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:05,045 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:05,049 INFO  L87              Difference]: Start difference. First operand  has 14 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 13 states have internal predecessors, (15), 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) Second operand  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2021-10-28 23:37:05,132 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:05,132 INFO  L93              Difference]: Finished difference Result 18 states and 18 transitions.
[2021-10-28 23:37:05,133 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:05,135 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3
[2021-10-28 23:37:05,136 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:05,167 INFO  L225             Difference]: With dead ends: 18
[2021-10-28 23:37:05,167 INFO  L226             Difference]: Without dead ends: 8
[2021-10-28 23:37:05,171 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:05,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2021-10-28 23:37:05,234 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2021-10-28 23:37:05,236 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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)
[2021-10-28 23:37:05,237 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions.
[2021-10-28 23:37:05,239 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 3
[2021-10-28 23:37:05,239 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:05,240 INFO  L470      AbstractCegarLoop]: Abstraction has 8 states and 8 transitions.
[2021-10-28 23:37:05,240 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2021-10-28 23:37:05,241 INFO  L276                IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions.
[2021-10-28 23:37:05,241 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-10-28 23:37:05,242 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:05,242 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2021-10-28 23:37:05,242 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:37:05,243 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-10-28 23:37:05,244 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:05,245 INFO  L85        PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times
[2021-10-28 23:37:05,245 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:05,246 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455397021]
[2021-10-28 23:37:05,246 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:05,247 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:05,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:37:05,258 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:37:05,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:37:05,300 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:37:05,301 INFO  L627         BasicCegarLoop]: Counterexample is feasible
[2021-10-28 23:37:05,303 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:37:05,306 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:37:05,307 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:37:05,307 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 23:37:05,308 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 23:37:05,312 INFO  L731         BasicCegarLoop]: Path program histogram: [1, 1]
[2021-10-28 23:37:05,333 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:37:05,354 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:37:05 BoogieIcfgContainer
[2021-10-28 23:37:05,364 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:37:05,365 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:37:05,365 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:37:05,365 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 23:37:05,366 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:04" (3/4) ...
[2021-10-28 23:37:05,369 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-28 23:37:05,425 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:37:05,426 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:37:05,429 INFO  L168              Benchmark]: Toolchain (without parser) took 1660.45 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 52.0 MB in the beginning and 85.8 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:37:05,431 INFO  L168              Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 86.0 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:37:05,433 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 379.92 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 51.7 MB in the beginning and 88.9 MB in the end (delta: -37.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:05,437 INFO  L168              Benchmark]: Boogie Procedure Inliner took 51.07 ms. Allocated memory is still 111.1 MB. Free memory was 88.6 MB in the beginning and 87.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:37:05,438 INFO  L168              Benchmark]: Boogie Preprocessor took 39.73 ms. Allocated memory is still 111.1 MB. Free memory was 87.5 MB in the beginning and 86.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:05,443 INFO  L168              Benchmark]: RCFGBuilder took 345.46 ms. Allocated memory is still 111.1 MB. Free memory was 86.5 MB in the beginning and 78.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:05,444 INFO  L168              Benchmark]: TraceAbstraction took 772.66 ms. Allocated memory is still 111.1 MB. Free memory was 78.1 MB in the beginning and 87.3 MB in the end (delta: -9.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:05,445 INFO  L168              Benchmark]: Witness Printer took 61.25 ms. Allocated memory is still 111.1 MB. Free memory was 87.3 MB in the beginning and 85.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:05,457 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.43 ms. Allocated memory is still 86.0 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 379.92 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 51.7 MB in the beginning and 88.9 MB in the end (delta: -37.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 51.07 ms. Allocated memory is still 111.1 MB. Free memory was 88.6 MB in the beginning and 87.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 39.73 ms. Allocated memory is still 111.1 MB. Free memory was 87.5 MB in the beginning and 86.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 345.46 ms. Allocated memory is still 111.1 MB. Free memory was 86.5 MB in the beginning and 78.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 772.66 ms. Allocated memory is still 111.1 MB. Free memory was 78.1 MB in the beginning and 87.3 MB in the end (delta: -9.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB.
 * Witness Printer took 61.25 ms. Allocated memory is still 111.1 MB. Free memory was 87.3 MB in the beginning and 85.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * 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
  - CounterExampleResult [Line: 18]: integer overflow possible
    integer overflow possible
We found a FailurePath: 
[L15]             int x;
[L16]             x = __VERIFIER_nondet_int()
[L17]  COND TRUE  x >= 0
[L18]             -2*x

  - UnprovableResult [Line: 18]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 18]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 18]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 5 SDslu, 3 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:37:05,528 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24034a3-a65b-4d82-ae62-3bc99982ab2f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...