./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/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_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y --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 32bit --witnessprinter.graph.data.programhash 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:47:20,202 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:47:20,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:47:20,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:47:20,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:47:20,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:47:20,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:47:20,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:47:20,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:47:20,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:47:20,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:47:20,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:47:20,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:47:20,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:47:20,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:47:20,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:47:20,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:47:20,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:47:20,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:47:20,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:47:20,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:47:20,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:47:20,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:47:20,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:47:20,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:47:20,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:47:20,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:47:20,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:47:20,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:47:20,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:47:20,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:47:20,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:47:20,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:47:20,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:47:20,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:47:20,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:47:20,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:47:20,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:47:20,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:47:20,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:47:20,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:47:20,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2021-11-13 17:47:20,418 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:47:20,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:47:20,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:47:20,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:47:20,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:47:20,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:47:20,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:47:20,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:47:20,433 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:47:20,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:47:20,435 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 17:47:20,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 17:47:20,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 17:47:20,436 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 17:47:20,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:47:20,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:47:20,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:47:20,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:47:20,437 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-11-13 17:47:20,438 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 17:47:20,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:47:20,438 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:47:20,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:47:20,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:47:20,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:47:20,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 17:47:20,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:47:20,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:47:20,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:47:20,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:47:20,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 17:47:20,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:47:20,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:47:20,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:47:20,444 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_1b133500-4c0a-492c-990b-15b9ac15964a/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dd3364bf5e5337e36d5137f60eb9fb66edcf0c750f78ddc701b6a530fbd02a5
[2021-11-13 17:47:20,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:47:20,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:47:20,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:47:20,970 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:47:20,971 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:47:20,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i
[2021-11-13 17:47:21,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/data/180861f16/f9b85c021270446184667847590ab0ed/FLAG85fd3ca71
[2021-11-13 17:47:21,734 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:47:21,735 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i
[2021-11-13 17:47:21,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/data/180861f16/f9b85c021270446184667847590ab0ed/FLAG85fd3ca71
[2021-11-13 17:47:22,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/data/180861f16/f9b85c021270446184667847590ab0ed
[2021-11-13 17:47:22,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:47:22,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:47:22,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:47:22,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:47:22,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:47:22,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7992b9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22, skipping insertion in model container
[2021-11-13 17:47:22,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:47:22,096 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:47:22,345 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_1b133500-4c0a-492c-990b-15b9ac15964a/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886]
[2021-11-13 17:47:22,363 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:47:22,379 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:47:22,399 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_1b133500-4c0a-492c-990b-15b9ac15964a/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886]
[2021-11-13 17:47:22,409 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:47:22,430 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:47:22,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22 WrapperNode
[2021-11-13 17:47:22,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:47:22,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:47:22,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:47:22,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:47:22,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:47:22,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:47:22,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:47:22,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:47:22,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:47:22,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:47:22,533 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:47:22,533 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:47:22,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (1/1) ...
[2021-11-13 17:47:22,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:47:22,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:47:22,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:47:22,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:47:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:47:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:47:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:47:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:47:22,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:47:22,975 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 17:47:22,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:22 BoogieIcfgContainer
[2021-11-13 17:47:22,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:47:22,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:47:22,984 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:47:22,990 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:47:22,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:47:22" (1/3) ...
[2021-11-13 17:47:22,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7e1253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:47:22, skipping insertion in model container
[2021-11-13 17:47:22,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:47:22" (2/3) ...
[2021-11-13 17:47:22,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7e1253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:47:22, skipping insertion in model container
[2021-11-13 17:47:22,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:22" (3/3) ...
[2021-11-13 17:47:22,997 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark19_conjunctive.i
[2021-11-13 17:47:23,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:47:23,005 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2021-11-13 17:47:23,085 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:47:23,107 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
[2021-11-13 17:47:23,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-11-13 17:47:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 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 17:47:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-11-13 17:47:23,162 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:47:23,163 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-11-13 17:47:23,164 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)] ===
[2021-11-13 17:47:23,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:23,172 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times
[2021-11-13 17:47:23,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:23,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759851600]
[2021-11-13 17:47:23,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:23,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:23,511 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 17:47:23,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:23,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759851600]
[2021-11-13 17:47:23,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759851600] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:23,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:23,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 17:47:23,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309171007]
[2021-11-13 17:47:23,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:23,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 17:47:23,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:23,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 17:47:23,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:47:23,563 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 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, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 17:47:23,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:47:23,641 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions.
[2021-11-13 17:47:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 17:47:23,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5
[2021-11-13 17:47:23,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:47:23,680 INFO L225 Difference]: With dead ends: 24
[2021-11-13 17:47:23,681 INFO L226 Difference]: Without dead ends: 11
[2021-11-13 17:47:23,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-11-13 17:47:23,690 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.55ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:47:23,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 22 Invalid, 13 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 25.55ms Time]
[2021-11-13 17:47:23,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2021-11-13 17:47:23,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2021-11-13 17:47:23,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 10 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)
[2021-11-13 17:47:23,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2021-11-13 17:47:23,735 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5
[2021-11-13 17:47:23,736 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:47:23,736 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2021-11-13 17:47:23,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 17:47:23,737 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2021-11-13 17:47:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-11-13 17:47:23,738 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:47:23,738 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:23,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 17:47:23,739 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)] ===
[2021-11-13 17:47:23,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:23,740 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times
[2021-11-13 17:47:23,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:23,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530292439]
[2021-11-13 17:47:23,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:23,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:23,788 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 17:47:23,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:23,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530292439]
[2021-11-13 17:47:23,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530292439] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:23,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:23,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:47:23,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590371752]
[2021-11-13 17:47:23,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:23,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:47:23,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:23,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:47:23,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:47:23,794 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 17:47:23,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:47:23,816 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions.
[2021-11-13 17:47:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 17:47:23,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 17:47:23,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:47:23,818 INFO L225 Difference]: With dead ends: 11
[2021-11-13 17:47:23,818 INFO L226 Difference]: Without dead ends: 10
[2021-11-13 17:47:23,819 INFO L932 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
[2021-11-13 17:47:23,821 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.07ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:47:23,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 4 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 19.07ms Time]
[2021-11-13 17:47:23,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2021-11-13 17:47:23,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2021-11-13 17:47:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 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 17:47:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions.
[2021-11-13 17:47:23,827 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6
[2021-11-13 17:47:23,827 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:47:23,827 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions.
[2021-11-13 17:47:23,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 17:47:23,828 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions.
[2021-11-13 17:47:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-11-13 17:47:23,829 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:47:23,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:23,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 17:47:23,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 17:47:23,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:23,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times
[2021-11-13 17:47:23,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:23,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742050229]
[2021-11-13 17:47:23,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:23,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:23,905 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 17:47:23,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:23,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742050229]
[2021-11-13 17:47:23,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742050229] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:23,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:23,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 17:47:23,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452124871]
[2021-11-13 17:47:23,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:23,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 17:47:23,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:23,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 17:47:23,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:47:23,909 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 17:47:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:47:23,937 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions.
[2021-11-13 17:47:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 17:47:23,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7
[2021-11-13 17:47:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:47:23,939 INFO L225 Difference]: With dead ends: 10
[2021-11-13 17:47:23,939 INFO L226 Difference]: Without dead ends: 9
[2021-11-13 17:47:23,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 17:47:23,942 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.79ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.46ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:47:23,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.79ms Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 14.46ms Time]
[2021-11-13 17:47:23,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2021-11-13 17:47:23,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2021-11-13 17:47:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 17:47:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2021-11-13 17:47:23,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7
[2021-11-13 17:47:23,948 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:47:23,948 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2021-11-13 17:47:23,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 17:47:23,949 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2021-11-13 17:47:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2021-11-13 17:47:23,949 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:47:23,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:23,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 17:47:23,950 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 17:47:23,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times
[2021-11-13 17:47:23,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:23,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855247917]
[2021-11-13 17:47:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:23,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:24,019 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 17:47:24,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:24,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855247917]
[2021-11-13 17:47:24,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855247917] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:47:24,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:24,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 17:47:24,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903302930]
[2021-11-13 17:47:24,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:47:24,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 17:47:24,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:24,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 17:47:24,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:47:24,034 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 17:47:24,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:47:24,069 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions.
[2021-11-13 17:47:24,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 17:47:24,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) Word has length 8
[2021-11-13 17:47:24,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:47:24,071 INFO L225 Difference]: With dead ends: 15
[2021-11-13 17:47:24,072 INFO L226 Difference]: Without dead ends: 14
[2021-11-13 17:47:24,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 17:47:24,074 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.97ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:47:24,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 11 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 18.97ms Time]
[2021-11-13 17:47:24,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2021-11-13 17:47:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2021-11-13 17:47:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 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 17:47:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2021-11-13 17:47:24,082 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8
[2021-11-13 17:47:24,082 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:47:24,083 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2021-11-13 17:47:24,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 17:47:24,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2021-11-13 17:47:24,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-13 17:47:24,084 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:47:24,084 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1]
[2021-11-13 17:47:24,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 17:47:24,085 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2021-11-13 17:47:24,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:47:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2010663901, now seen corresponding path program 1 times
[2021-11-13 17:47:24,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:47:24,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940075095]
[2021-11-13 17:47:24,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:24,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:47:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:47:24,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:47:24,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940075095]
[2021-11-13 17:47:24,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940075095] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 17:47:24,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079272309]
[2021-11-13 17:47:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:24,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 17:47:24,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:47:24,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 17:47:24,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 17:47:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:24,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 17:47:24,339 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:47:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-13 17:47:24,603 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:47:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:47:24,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079272309] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 17:47:24,896 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 17:47:24,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 7] total 14
[2021-11-13 17:47:24,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071016431]
[2021-11-13 17:47:24,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 17:47:24,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2021-11-13 17:47:24,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:47:24,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-11-13 17:47:24,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210
[2021-11-13 17:47:24,900 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 15 states have internal predecessors, (32), 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 17:47:25,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:47:25,003 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions.
[2021-11-13 17:47:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 17:47:25,003 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 15 states have internal predecessors, (32), 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 13
[2021-11-13 17:47:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:47:25,005 INFO L225 Difference]: With dead ends: 14
[2021-11-13 17:47:25,005 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 17:47:25,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342
[2021-11-13 17:47:25,017 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.16ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.60ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:47:25,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 36 Unknown, 0 Unchecked, 2.16ms Time], IncrementalHoareTripleChecker [9 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 32.60ms Time]
[2021-11-13 17:47:25,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 17:47:25,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 17:47:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:47:25,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 17:47:25,026 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2021-11-13 17:47:25,026 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:47:25,027 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 17:47:25,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 15 states have internal predecessors, (32), 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 17:47:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 17:47:25,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 17:47:25,035 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2021-11-13 17:47:25,036 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2021-11-13 17:47:25,036 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2021-11-13 17:47:25,037 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2021-11-13 17:47:25,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 17:47:25,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 17:47:25,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 17:47:25,308 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed.
[2021-11-13 17:47:25,308 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 17:47:25,310 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed.
[2021-11-13 17:47:25,310 INFO L858 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed.
[2021-11-13 17:47:25,310 INFO L858 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed.
[2021-11-13 17:47:25,311 INFO L858 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed.
[2021-11-13 17:47:25,311 INFO L858 garLoopResultBuilder]: For program point L25-2(line 25) no Hoare annotation was computed.
[2021-11-13 17:47:25,311 INFO L858 garLoopResultBuilder]: For program point L25-3(line 25) no Hoare annotation was computed.
[2021-11-13 17:47:25,311 INFO L858 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed.
[2021-11-13 17:47:25,311 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 17:47:25,312 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed.
[2021-11-13 17:47:25,312 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed.
[2021-11-13 17:47:25,312 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 17:47:25,312 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 17:47:25,313 INFO L854 garLoopResultBuilder]: At program point L28(lines 19 29) the Hoare annotation is: (<= |ULTIMATE.start_main_~j~0#1| 2147483647)
[2021-11-13 17:47:25,313 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 24 26) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|))
[2021-11-13 17:47:25,313 INFO L858 garLoopResultBuilder]: For program point L24-3(lines 24 26) no Hoare annotation was computed.
[2021-11-13 17:47:25,313 INFO L858 garLoopResultBuilder]: For program point L14(lines 14 18) no Hoare annotation was computed.
[2021-11-13 17:47:25,321 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2021-11-13 17:47:25,323 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:47:25,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:47:25 BoogieIcfgContainer
[2021-11-13 17:47:25,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:47:25,351 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:47:25,351 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:47:25,352 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 17:47:25,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:47:22" (3/4) ...
[2021-11-13 17:47:25,356 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 17:47:25,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2021-11-13 17:47:25,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-11-13 17:47:25,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 17:47:25,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 17:47:25,412 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 17:47:25,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:47:25,413 INFO L158 Benchmark]: Toolchain (without parser) took 3356.68ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 77.7MB in the end (delta: 12.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB.
[2021-11-13 17:47:25,413 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:47:25,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.12ms. Allocated memory is still 127.9MB. Free memory was 90.2MB in the beginning and 102.5MB in the end (delta: -12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:47:25,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.20ms. Allocated memory is still 127.9MB. Free memory was 102.5MB in the beginning and 101.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:47:25,415 INFO L158 Benchmark]: Boogie Preprocessor took 46.52ms. Allocated memory is still 127.9MB. Free memory was 101.3MB in the beginning and 100.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:47:25,416 INFO L158 Benchmark]: RCFGBuilder took 446.42ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 90.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:47:25,417 INFO L158 Benchmark]: TraceAbstraction took 2367.08ms. Allocated memory is still 127.9MB. Free memory was 90.0MB in the beginning and 79.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB.
[2021-11-13 17:47:25,417 INFO L158 Benchmark]: Witness Printer took 61.17ms. Allocated memory is still 127.9MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:47:25,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 370.12ms. Allocated memory is still 127.9MB. Free memory was 90.2MB in the beginning and 102.5MB in the end (delta: -12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 51.20ms. Allocated memory is still 127.9MB. Free memory was 102.5MB in the beginning and 101.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 46.52ms. Allocated memory is still 127.9MB. Free memory was 101.3MB in the beginning and 100.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 446.42ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 90.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 2367.08ms. Allocated memory is still 127.9MB. Free memory was 90.0MB in the beginning and 79.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB.
* Witness Printer took 61.17ms. Allocated memory is still 127.9MB. Free memory was 79.8MB in the beginning and 77.7MB 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
- PositiveResult [Line: 25]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 25]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 25]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 25]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 110.65ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 79.73ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 32 mSDtfsCounter, 62 mSolverCounterSat, 5.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 8 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1/15 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
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 24]: Loop Invariant
Derived loop invariant: (0 <= k && k <= 2147483647) && j <= k
- InvariantResult [Line: 19]: Loop Invariant
Derived loop invariant: j <= 2147483647
RESULT: Ultimate proved your program to be correct!
[2021-11-13 17:47:25,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b133500-4c0a-492c-990b-15b9ac15964a/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
Result:
TRUE