./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/terminator_03-1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/terminator_03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6195aac4ed5fd870d8a0e9d86ce21873e1b6b73a142bab52cc3ba137a2f556f
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:31:15,642 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:31:15,645 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:31:15,699 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:31:15,701 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:31:15,706 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:31:15,713 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:31:15,716 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:31:15,720 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:31:15,722 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:31:15,724 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:31:15,727 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:31:15,728 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:31:15,736 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:31:15,738 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:31:15,742 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:31:15,745 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:31:15,748 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:31:15,753 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:31:15,756 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:31:15,758 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:31:15,760 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:31:15,762 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:31:15,763 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:31:15,767 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:31:15,768 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:31:15,768 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:31:15,770 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:31:15,770 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:31:15,772 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:31:15,772 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:31:15,773 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:31:15,774 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:31:15,775 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:31:15,777 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:31:15,777 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:31:15,778 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:31:15,778 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:31:15,778 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:31:15,780 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:31:15,780 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:31:15,781 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 17:31:15,824 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-13 17:31:15,825 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:31:15,825 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:31:15,826 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:31:15,833 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:31:15,834 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:31:15,834 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:31:15,835 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-13 17:31:15,835 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-13 17:31:15,835 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:31:15,836 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-13 17:31:15,837 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-13 17:31:15,837 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-13 17:31:15,837 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-13 17:31:15,837 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:31:15,838 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:31:15,838 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:31:15,838 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-13 17:31:15,838 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-13 17:31:15,839 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-13 17:31:15,839 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:31:15,839 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:31:15,840 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-13 17:31:15,840 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-13 17:31:15,840 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:31:15,840 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:31:15,841 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:31:15,841 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:31:15,841 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-13 17:31:15,843 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:31:15,843 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:31:15,843 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:31:15,844 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:31:15,844 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-13 17:31:15,845 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_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/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_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6195aac4ed5fd870d8a0e9d86ce21873e1b6b73a142bab52cc3ba137a2f556f
[2021-11-13 17:31:16,097 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:31:16,118 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:31:16,121 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:31:16,122 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-13 17:31:16,123 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-13 17:31:16,124 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/loops/terminator_03-1.c
[2021-11-13 17:31:16,188 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/data/40e2e3f75/1ceabdf7de4f42bc93adb7ca586d31ce/FLAGb8ae518fa
[2021-11-13 17:31:16,638 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-13 17:31:16,639 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/sv-benchmarks/c/loops/terminator_03-1.c
[2021-11-13 17:31:16,649 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/data/40e2e3f75/1ceabdf7de4f42bc93adb7ca586d31ce/FLAGb8ae518fa
[2021-11-13 17:31:17,023 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/data/40e2e3f75/1ceabdf7de4f42bc93adb7ca586d31ce
[2021-11-13 17:31:17,026 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:31:17,027 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:31:17,028 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:31:17,028 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:31:17,046 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:31:17,046 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,048 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2487770d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17, skipping insertion in model container
[2021-11-13 17:31:17,048 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,055 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-13 17:31:17,074 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:31:17,260 WARN  L228   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_3caacf5e-a6aa-4070-b330-43a87cd79e18/sv-benchmarks/c/loops/terminator_03-1.c[327,340]
[2021-11-13 17:31:17,270 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:31:17,279 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-13 17:31:17,292 WARN  L228   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_3caacf5e-a6aa-4070-b330-43a87cd79e18/sv-benchmarks/c/loops/terminator_03-1.c[327,340]
[2021-11-13 17:31:17,295 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:31:17,308 INFO  L208         MainTranslator]: Completed translation
[2021-11-13 17:31:17,309 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17 WrapperNode
[2021-11-13 17:31:17,309 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:31:17,310 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:31:17,310 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:31:17,311 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:31:17,319 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,329 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,358 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:31:17,359 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:31:17,360 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:31:17,360 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:31:17,369 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,369 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,371 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,372 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,378 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,385 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,392 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,396 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:31:17,398 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:31:17,398 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:31:17,399 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:31:17,400 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (1/1) ...
[2021-11-13 17:31:17,408 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:31:17,420 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:31:17,440 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:31:17,452 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:31:17,492 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:31:17,493 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:31:17,493 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:31:17,493 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:31:17,688 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:31:17,688 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 17:31:17,690 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:17 BoogieIcfgContainer
[2021-11-13 17:31:17,690 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:31:17,692 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:31:17,692 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:31:17,706 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:31:17,706 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:17" (1/3) ...
[2021-11-13 17:31:17,707 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3a8dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:17, skipping insertion in model container
[2021-11-13 17:31:17,707 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:17" (2/3) ...
[2021-11-13 17:31:17,708 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3a8dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:17, skipping insertion in model container
[2021-11-13 17:31:17,708 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:17" (3/3) ...
[2021-11-13 17:31:17,709 INFO  L111   eAbstractionObserver]: Analyzing ICFG terminator_03-1.c
[2021-11-13 17:31:17,715 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:31:17,715 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:31:17,765 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:31:17,772 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=PETRI_NET, 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
[2021-11-13 17:31:17,773 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 17:31:17,787 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 12 states, 10 states have (on average 1.5) internal successors, (15), 11 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)
[2021-11-13 17:31:17,798 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-11-13 17:31:17,798 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 17:31:17,799 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 17:31:17,799 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:31:17,805 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:31:17,805 INFO  L85        PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times
[2021-11-13 17:31:17,816 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:31:17,816 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246761550]
[2021-11-13 17:31:17,817 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:31:17,818 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:31:17,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:31:18,032 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:31:18,033 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:31:18,033 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246761550]
[2021-11-13 17:31:18,034 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246761550] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:31:18,034 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:31:18,034 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 17:31:18,036 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705604143]
[2021-11-13 17:31:18,037 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:31:18,041 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 17:31:18,041 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:31:18,069 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 17:31:18,069 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:31:18,072 INFO  L87              Difference]: Start difference. First operand  has 12 states, 10 states have (on average 1.5) internal successors, (15), 11 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2021-11-13 17:31:18,131 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:31:18,131 INFO  L93              Difference]: Finished difference Result 26 states and 29 transitions.
[2021-11-13 17:31:18,133 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-11-13 17:31:18,134 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6
[2021-11-13 17:31:18,135 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:31:18,142 INFO  L225             Difference]: With dead ends: 26
[2021-11-13 17:31:18,142 INFO  L226             Difference]: Without dead ends: 8
[2021-11-13 17:31:18,145 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 17:31:18,149 INFO  L933         BasicCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.16ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.30ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:31:18,151 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 26 Invalid, 9 Unknown, 0 Unchecked, 1.16ms Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 15.30ms Time]
[2021-11-13 17:31:18,168 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2021-11-13 17:31:18,196 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2021-11-13 17:31:18,197 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8 states, 7 states have (on average 1.1428571428571428) 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)
[2021-11-13 17:31:18,197 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions.
[2021-11-13 17:31:18,199 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6
[2021-11-13 17:31:18,199 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:31:18,199 INFO  L470      AbstractCegarLoop]: Abstraction has 8 states and 8 transitions.
[2021-11-13 17:31:18,200 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2021-11-13 17:31:18,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions.
[2021-11-13 17:31:18,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-11-13 17:31:18,201 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-13 17:31:18,201 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:31:18,202 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 17:31:18,202 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:31:18,203 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:31:18,203 INFO  L85        PathProgramCache]: Analyzing trace with hash 1805064685, now seen corresponding path program 1 times
[2021-11-13 17:31:18,203 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:31:18,204 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491768612]
[2021-11-13 17:31:18,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:31:18,204 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:31:18,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:31:18,238 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 17:31:18,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:31:18,272 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 17:31:18,273 INFO  L628         BasicCegarLoop]: Counterexample is feasible
[2021-11-13 17:31:18,275 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 17:31:18,277 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 17:31:18,280 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1]
[2021-11-13 17:31:18,283 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:31:18,305 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:31:18 BoogieIcfgContainer
[2021-11-13 17:31:18,305 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:31:18,306 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:31:18,306 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:31:18,306 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-13 17:31:18,307 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:17" (3/4) ...
[2021-11-13 17:31:18,309 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-11-13 17:31:18,345 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 17:31:18,345 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:31:18,346 INFO  L158              Benchmark]: Toolchain (without parser) took 1319.22ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.8MB in the beginning and 93.4MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:18,347 INFO  L158              Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:18,348 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 281.25ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.6MB in the beginning and 96.5MB in the end (delta: -28.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:31:18,349 INFO  L158              Benchmark]: Boogie Procedure Inliner took 48.28ms. Allocated memory is still 121.6MB. Free memory was 96.5MB in the beginning and 95.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:31:18,350 INFO  L158              Benchmark]: Boogie Preprocessor took 37.16ms. Allocated memory is still 121.6MB. Free memory was 95.2MB in the beginning and 94.3MB in the end (delta: 892.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:18,350 INFO  L158              Benchmark]: RCFGBuilder took 292.84ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 85.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:31:18,351 INFO  L158              Benchmark]: TraceAbstraction took 613.28ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 95.5MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:31:18,352 INFO  L158              Benchmark]: Witness Printer took 39.41ms. Allocated memory is still 121.6MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:31:18,357 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 281.25ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.6MB in the beginning and 96.5MB in the end (delta: -28.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 48.28ms. Allocated memory is still 121.6MB. Free memory was 96.5MB in the beginning and 95.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 37.16ms. Allocated memory is still 121.6MB. Free memory was 95.2MB in the beginning and 94.3MB in the end (delta: 892.1kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 292.84ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 85.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 613.28ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 95.5MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 39.41ms. Allocated memory is still 121.6MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * 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: 7]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L15]              int x=__VERIFIER_nondet_int();
[L16]              int y=__VERIFIER_nondet_int();
[L18]  COND TRUE   y>0
       VAL         [x=100, y=1]
[L20]  COND FALSE  !(x<100)
       VAL         [x=100, y=1]
[L25]  CALL        __VERIFIER_assert(y<=0 || (y<0 && x>=100))
[L6]   COND TRUE   !(cond)
       VAL         [\old(cond)=0, cond=0]
[L7]               reach_error()
       VAL         [\old(cond)=0, cond=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 15.30ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 12.46ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 11 mSDtfsCounter, 8 mSolverCounterSat, 1.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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!
[2021-11-13 17:31:18,438 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3caacf5e-a6aa-4070-b330-43a87cd79e18/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE