./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-optional-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/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_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-optional-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD --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 8287e6117d458104c3f33a0e7a83f771b50c3974e23296edc32c92f0b8cae546
.....................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:51:27,993 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:51:28,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:51:28,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:51:28,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:51:28,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:51:28,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:51:28,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:51:28,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:51:28,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:51:28,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:51:28,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:51:28,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:51:28,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:51:28,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:51:28,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:51:28,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:51:28,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:51:28,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:51:28,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:51:28,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:51:28,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:51:28,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:51:28,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:51:28,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:51:28,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:51:28,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:51:28,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:51:28,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:51:28,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:51:28,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:51:28,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:51:28,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:51:28,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:51:28,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:51:28,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:51:28,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:51:28,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:51:28,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:51:28,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:51:28,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:51:28,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-28 23:51:28,186 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:51:28,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:51:28,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:51:28,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:51:28,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:51:28,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:51:28,192 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:51:28,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:51:28,193 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:51:28,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:51:28,194 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:51:28,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:51:28,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:51:28,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:51:28,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:51:28,195 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:51:28,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:51:28,196 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:51:28,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:51:28,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:51:28,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:51:28,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-28 23:51:28,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:51:28,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:51:28,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:51:28,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:51:28,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:51:28,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:51:28,199 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-10-28 23:51:28,201 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-28 23:51:28,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:51:28,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:51:28,202 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_600e37fe-56a0-4cce-98d9-199cb7406ba4/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8287e6117d458104c3f33a0e7a83f771b50c3974e23296edc32c92f0b8cae546
[2021-10-28 23:51:28,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:51:28,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:51:28,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:51:28,655 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:51:28,657 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:51:28,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/forester-heap/dll-optional-2.i
[2021-10-28 23:51:28,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/data/ec45ce366/971d58ebda484dcca35e02281909b31e/FLAG422ad3504
[2021-10-28 23:51:29,691 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:51:29,694 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/sv-benchmarks/c/forester-heap/dll-optional-2.i
[2021-10-28 23:51:29,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/data/ec45ce366/971d58ebda484dcca35e02281909b31e/FLAG422ad3504
[2021-10-28 23:51:29,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/data/ec45ce366/971d58ebda484dcca35e02281909b31e
[2021-10-28 23:51:29,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:51:29,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:51:29,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:51:29,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:51:29,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:51:29,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:29" (1/1) ...
[2021-10-28 23:51:29,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8ec177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:29, skipping insertion in model container
[2021-10-28 23:51:29,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:29" (1/1) ...
[2021-10-28 23:51:29,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:51:29,979 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:51:30,599 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_600e37fe-56a0-4cce-98d9-199cb7406ba4/sv-benchmarks/c/forester-heap/dll-optional-2.i[22706,22719]
[2021-10-28 23:51:30,630 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:51:30,649 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:51:30,707 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_600e37fe-56a0-4cce-98d9-199cb7406ba4/sv-benchmarks/c/forester-heap/dll-optional-2.i[22706,22719]
[2021-10-28 23:51:30,711 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:51:30,756 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:51:30,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30 WrapperNode
[2021-10-28 23:51:30,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:51:30,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:51:30,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:51:30,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:51:30,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:51:30,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:51:30,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:51:30,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:51:30,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:51:30,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:51:30,917 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:51:30,927 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:51:30,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (1/1) ...
[2021-10-28 23:51:30,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:51:30,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:51:30,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:51:30,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:51:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-10-28 23:51:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-10-28 23:51:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-28 23:51:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-10-28 23:51:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:51:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-10-28 23:51:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-28 23:51:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:51:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:51:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:51:31,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:51:31,687 INFO L299 CfgBuilder]: Removed 9 assume(true) statements.
[2021-10-28 23:51:31,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:31 BoogieIcfgContainer
[2021-10-28 23:51:31,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:51:31,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:51:31,692 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:51:31,710 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:51:31,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:29" (1/3) ...
[2021-10-28 23:51:31,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1117362e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:31, skipping insertion in model container
[2021-10-28 23:51:31,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:30" (2/3) ...
[2021-10-28 23:51:31,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1117362e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:31, skipping insertion in model container
[2021-10-28 23:51:31,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:31" (3/3) ...
[2021-10-28 23:51:31,714 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-optional-2.i
[2021-10-28 23:51:31,722 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:51:31,722 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-28 23:51:31,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:51:31,794 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
[2021-10-28 23:51:31,794 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-28 23:51:31,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 25 states have internal predecessors, (40), 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 23:51:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-28 23:51:31,819 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:51:31,819 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:51:31,820 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:51:31,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:51:31,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1853593862, now seen corresponding path program 1 times
[2021-10-28 23:51:31,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:51:31,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775425799]
[2021-10-28 23:51:31,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:51:31,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:51:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:51:32,053 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 23:51:32,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:51:32,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775425799]
[2021-10-28 23:51:32,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775425799] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:51:32,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:51:32,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:51:32,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264917597]
[2021-10-28 23:51:32,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-10-28 23:51:32,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:51:32,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-28 23:51:32,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-28 23:51:32,085 INFO L87 Difference]: Start difference. First operand has 26 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 25 states have internal predecessors, (40), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 23:51:32,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:51:32,105 INFO L93 Difference]: Finished difference Result 43 states and 65 transitions.
[2021-10-28 23:51:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-10-28 23:51:32,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11
[2021-10-28 23:51:32,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:51:32,120 INFO L225 Difference]: With dead ends: 43
[2021-10-28 23:51:32,120 INFO L226 Difference]: Without dead ends: 18
[2021-10-28 23:51:32,124 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-28 23:51:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2021-10-28 23:51:32,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2021-10-28 23:51:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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 23:51:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions.
[2021-10-28 23:51:32,164 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 11
[2021-10-28 23:51:32,164 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:51:32,164 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions.
[2021-10-28 23:51:32,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 23:51:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions.
[2021-10-28 23:51:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-28 23:51:32,166 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:51:32,166 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:51:32,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:51:32,167 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:51:32,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:51:32,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2143092324, now seen corresponding path program 1 times
[2021-10-28 23:51:32,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:51:32,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360060933]
[2021-10-28 23:51:32,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:51:32,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:51:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:51:32,267 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:51:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:51:32,424 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:51:32,424 INFO L627 BasicCegarLoop]: Counterexample is feasible
[2021-10-28 23:51:32,427 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:51:32,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 23:51:32,433 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1]
[2021-10-28 23:51:32,436 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:51:32,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:51:32 BoogieIcfgContainer
[2021-10-28 23:51:32,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:51:32,467 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:51:32,467 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:51:32,467 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:51:32,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:31" (3/4) ...
[2021-10-28 23:51:32,471 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-28 23:51:32,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:51:32,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:51:32,521 INFO L168 Benchmark]: Toolchain (without parser) took 2663.87 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 52.0 MB in the beginning and 75.4 MB in the end (delta: -23.4 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:51:32,522 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 86.0 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:51:32,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 896.04 ms. Allocated memory is still 86.0 MB. Free memory was 51.8 MB in the beginning and 54.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:32,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.97 ms. Allocated memory is still 86.0 MB. Free memory was 54.3 MB in the beginning and 52.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:32,524 INFO L168 Benchmark]: Boogie Preprocessor took 45.73 ms. Allocated memory is still 86.0 MB. Free memory was 52.1 MB in the beginning and 50.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:51:32,525 INFO L168 Benchmark]: RCFGBuilder took 773.03 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.5 MB in the beginning and 76.1 MB in the end (delta: -25.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:32,525 INFO L168 Benchmark]: TraceAbstraction took 773.82 ms. Allocated memory is still 104.9 MB. Free memory was 75.6 MB in the beginning and 77.5 MB in the end (delta: -1.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:32,526 INFO L168 Benchmark]: Witness Printer took 52.31 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 75.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:32,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.50 ms. Allocated memory is still 86.0 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 896.04 ms. Allocated memory is still 86.0 MB. Free memory was 51.8 MB in the beginning and 54.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 109.97 ms. Allocated memory is still 86.0 MB. Free memory was 54.3 MB in the beginning and 52.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 45.73 ms. Allocated memory is still 86.0 MB. Free memory was 52.1 MB in the beginning and 50.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 773.03 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.5 MB in the beginning and 76.1 MB in the end (delta: -25.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 773.82 ms. Allocated memory is still 104.9 MB. Free memory was 75.6 MB in the beginning and 77.5 MB in the end (delta: -1.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB.
* Witness Printer took 52.31 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 75.4 MB in the end (delta: 2.1 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: 1009]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L997] SLL* head = malloc(sizeof(SLL));
[L998] head->next = ((void*)0)
[L999] head->prev = ((void*)0)
[L1000] COND TRUE __VERIFIER_nondet_int()
[L1000] head->data = 2
[L1000] head->opt = malloc(sizeof(SLL))
[L1000] EXPR head->opt
[L1000] head->opt->next = ((void*)0)
[L1001] SLL* x = head;
[L1003] COND FALSE !(__VERIFIER_nondet_int())
[L1006] x = head
[L1007] COND TRUE x != ((void*)0)
[L1009] EXPR x->data
[L1009] EXPR x->data == 2 && x->opt == x
[L1009] EXPR x->opt
[L1009] EXPR x->data == 2 && x->opt == x
[L1009] COND TRUE !(x->data == 2 && x->opt == x)
[L1009] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 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!
[2021-10-28 23:51:32,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600e37fe-56a0-4cce-98d9-199cb7406ba4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...