./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/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_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcb75d9c793adce3c2c2ca6d31453358360225b1f8596bb0dddfb529afd517e2
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 22:56:51,737 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 22:56:51,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 22:56:51,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 22:56:51,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 22:56:51,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 22:56:51,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 22:56:51,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 22:56:51,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 22:56:51,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 22:56:51,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 22:56:51,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 22:56:51,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 22:56:51,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 22:56:51,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 22:56:51,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 22:56:51,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 22:56:51,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 22:56:51,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 22:56:51,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 22:56:51,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 22:56:51,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 22:56:51,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 22:56:51,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 22:56:51,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 22:56:51,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 22:56:51,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 22:56:51,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 22:56:51,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 22:56:51,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 22:56:51,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 22:56:51,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 22:56:51,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 22:56:51,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 22:56:51,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 22:56:51,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 22:56:51,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 22:56:51,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 22:56:51,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 22:56:51,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 22:56:51,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 22:56:51,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-10-28 22:56:51,936 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 22:56:51,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 22:56:51,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 22:56:51,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 22:56:51,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 22:56:51,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 22:56:51,939 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 22:56:51,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 22:56:51,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 22:56:51,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 22:56:51,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 22:56:51,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 22:56:51,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 22:56:51,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 22:56:51,942 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-10-28 22:56:51,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 22:56:51,943 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 22:56:51,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-28 22:56:51,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 22:56:51,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 22:56:51,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-28 22:56:51,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 22:56:51,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 22:56:51,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 22:56:51,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 22:56:51,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 22:56:51,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 22:56:51,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 22:56:51,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 22:56:51,947 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_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcb75d9c793adce3c2c2ca6d31453358360225b1f8596bb0dddfb529afd517e2
[2021-10-28 22:56:52,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 22:56:52,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 22:56:52,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 22:56:52,282 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 22:56:52,284 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 22:56:52,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c
[2021-10-28 22:56:52,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/data/f8c067414/35efdc20ae4c43a891475fcf88313a68/FLAG55a029c93
[2021-10-28 22:56:52,871 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 22:56:52,872 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c
[2021-10-28 22:56:52,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/data/f8c067414/35efdc20ae4c43a891475fcf88313a68/FLAG55a029c93
[2021-10-28 22:56:53,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/data/f8c067414/35efdc20ae4c43a891475fcf88313a68
[2021-10-28 22:56:53,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 22:56:53,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 22:56:53,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 22:56:53,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 22:56:53,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 22:56:53,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6139cc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53, skipping insertion in model container
[2021-10-28 22:56:53,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 22:56:53,290 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 22:56:53,418 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:56:53,422 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 22:56:53,437 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:56:53,454 INFO L208 MainTranslator]: Completed translation
[2021-10-28 22:56:53,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53 WrapperNode
[2021-10-28 22:56:53,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 22:56:53,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 22:56:53,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 22:56:53,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 22:56:53,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 22:56:53,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 22:56:53,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 22:56:53,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 22:56:53,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 22:56:53,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 22:56:53,548 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 22:56:53,548 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 22:56:53,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (1/1) ...
[2021-10-28 22:56:53,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 22:56:53,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:56:53,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 22:56:53,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 22:56:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 22:56:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 22:56:53,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 22:56:53,801 INFO L299 CfgBuilder]: Removed 5 assume(true) statements.
[2021-10-28 22:56:53,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:53 BoogieIcfgContainer
[2021-10-28 22:56:53,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 22:56:53,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 22:56:53,805 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 22:56:53,812 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-28 22:56:53,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:56:53" (1/3) ...
[2021-10-28 22:56:53,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ecc77e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:53, skipping insertion in model container
[2021-10-28 22:56:53,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:53" (2/3) ...
[2021-10-28 22:56:53,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ecc77e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:53, skipping insertion in model container
[2021-10-28 22:56:53,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:53" (3/3) ...
[2021-10-28 22:56:53,820 INFO L111 eAbstractionObserver]: Analyzing ICFG UrbanMine-ESOP2014-Fig3.c
[2021-10-28 22:56:53,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 22:56:53,842 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2021-10-28 22:56:53,919 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 22:56:53,926 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 22:56:53,926 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2021-10-28 22:56:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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 22:56:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-28 22:56:53,960 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:53,961 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-28 22:56:53,962 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2021-10-28 22:56:53,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash 29863588, now seen corresponding path program 1 times
[2021-10-28 22:56:53,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:53,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468758104]
[2021-10-28 22:56:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:53,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:54,172 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 22:56:54,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:54,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468758104]
[2021-10-28 22:56:54,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468758104] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:54,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:54,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-28 22:56:54,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734259733]
[2021-10-28 22:56:54,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:54,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:54,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:54,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,201 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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)
[2021-10-28 22:56:54,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:54,270 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions.
[2021-10-28 22:56:54,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:54,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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
[2021-10-28 22:56:54,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:54,281 INFO L225 Difference]: With dead ends: 43
[2021-10-28 22:56:54,282 INFO L226 Difference]: Without dead ends: 30
[2021-10-28 22:56:54,284 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2021-10-28 22:56:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28.
[2021-10-28 22:56:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.8) internal successors, (36), 27 states have internal predecessors, (36), 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 22:56:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions.
[2021-10-28 22:56:54,315 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 5
[2021-10-28 22:56:54,316 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:54,317 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions.
[2021-10-28 22:56:54,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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)
[2021-10-28 22:56:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions.
[2021-10-28 22:56:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-28 22:56:54,320 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:54,320 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-28 22:56:54,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 22:56:54,321 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2021-10-28 22:56:54,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:54,323 INFO L85 PathProgramCache]: Analyzing trace with hash 29863780, now seen corresponding path program 1 times
[2021-10-28 22:56:54,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:54,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409530779]
[2021-10-28 22:56:54,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:54,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:54,362 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 22:56:54,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:54,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409530779]
[2021-10-28 22:56:54,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409530779] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:54,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:54,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-28 22:56:54,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732199246]
[2021-10-28 22:56:54,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:54,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:54,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:54,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,367 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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)
[2021-10-28 22:56:54,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:54,385 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions.
[2021-10-28 22:56:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:54,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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
[2021-10-28 22:56:54,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:54,387 INFO L225 Difference]: With dead ends: 28
[2021-10-28 22:56:54,387 INFO L226 Difference]: Without dead ends: 26
[2021-10-28 22:56:54,388 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2021-10-28 22:56:54,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2021-10-28 22:56:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.65) internal successors, (33), 25 states have internal predecessors, (33), 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 22:56:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions.
[2021-10-28 22:56:54,393 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 5
[2021-10-28 22:56:54,393 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:54,394 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions.
[2021-10-28 22:56:54,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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)
[2021-10-28 22:56:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions.
[2021-10-28 22:56:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-28 22:56:54,395 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:54,395 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-28 22:56:54,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 22:56:54,395 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2021-10-28 22:56:54,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:54,396 INFO L85 PathProgramCache]: Analyzing trace with hash 29879476, now seen corresponding path program 1 times
[2021-10-28 22:56:54,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:54,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735502818]
[2021-10-28 22:56:54,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:54,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:54,420 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 22:56:54,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:54,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735502818]
[2021-10-28 22:56:54,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735502818] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:54,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:54,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 22:56:54,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635687114]
[2021-10-28 22:56:54,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:54,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:54,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:54,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,424 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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)
[2021-10-28 22:56:54,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:54,444 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions.
[2021-10-28 22:56:54,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:54,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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
[2021-10-28 22:56:54,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:54,445 INFO L225 Difference]: With dead ends: 26
[2021-10-28 22:56:54,445 INFO L226 Difference]: Without dead ends: 25
[2021-10-28 22:56:54,446 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2021-10-28 22:56:54,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2021-10-28 22:56:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.6) internal successors, (32), 24 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)
[2021-10-28 22:56:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions.
[2021-10-28 22:56:54,451 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 5
[2021-10-28 22:56:54,451 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:54,451 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions.
[2021-10-28 22:56:54,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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)
[2021-10-28 22:56:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions.
[2021-10-28 22:56:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-28 22:56:54,452 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:54,452 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:54,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-28 22:56:54,453 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2021-10-28 22:56:54,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:54,454 INFO L85 PathProgramCache]: Analyzing trace with hash 925771278, now seen corresponding path program 1 times
[2021-10-28 22:56:54,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:54,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251821596]
[2021-10-28 22:56:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:54,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:54,479 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 22:56:54,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:54,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251821596]
[2021-10-28 22:56:54,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251821596] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:54,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:54,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 22:56:54,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970172788]
[2021-10-28 22:56:54,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:54,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:54,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:54,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,482 INFO L87 Difference]: Start difference. First operand 25 states and 32 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)
[2021-10-28 22:56:54,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:54,509 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions.
[2021-10-28 22:56:54,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:54,510 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
[2021-10-28 22:56:54,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:54,511 INFO L225 Difference]: With dead ends: 52
[2021-10-28 22:56:54,511 INFO L226 Difference]: Without dead ends: 28
[2021-10-28 22:56:54,512 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2021-10-28 22:56:54,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2021-10-28 22:56:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 27 states have internal predecessors, (34), 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 22:56:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions.
[2021-10-28 22:56:54,517 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 6
[2021-10-28 22:56:54,517 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:54,517 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions.
[2021-10-28 22:56:54,518 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)
[2021-10-28 22:56:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions.
[2021-10-28 22:56:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-28 22:56:54,519 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:54,519 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:54,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-28 22:56:54,519 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2021-10-28 22:56:54,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:54,520 INFO L85 PathProgramCache]: Analyzing trace with hash 925777236, now seen corresponding path program 1 times
[2021-10-28 22:56:54,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:54,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245093958]
[2021-10-28 22:56:54,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:54,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:54,565 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 22:56:54,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:54,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245093958]
[2021-10-28 22:56:54,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245093958] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:54,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:54,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 22:56:54,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145023368]
[2021-10-28 22:56:54,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:54,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:54,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:54,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,569 INFO L87 Difference]: Start difference. First operand 28 states and 34 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)
[2021-10-28 22:56:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:54,599 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions.
[2021-10-28 22:56:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:54,600 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
[2021-10-28 22:56:54,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:54,601 INFO L225 Difference]: With dead ends: 29
[2021-10-28 22:56:54,601 INFO L226 Difference]: Without dead ends: 27
[2021-10-28 22:56:54,601 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2021-10-28 22:56:54,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26.
[2021-10-28 22:56:54,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 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 22:56:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions.
[2021-10-28 22:56:54,607 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 6
[2021-10-28 22:56:54,607 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:54,607 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions.
[2021-10-28 22:56:54,607 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)
[2021-10-28 22:56:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions.
[2021-10-28 22:56:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-28 22:56:54,608 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:54,608 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:54,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-28 22:56:54,609 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2021-10-28 22:56:54,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:54,610 INFO L85 PathProgramCache]: Analyzing trace with hash 926263822, now seen corresponding path program 1 times
[2021-10-28 22:56:54,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:54,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395181296]
[2021-10-28 22:56:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:54,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:54,634 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 22:56:54,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:54,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395181296]
[2021-10-28 22:56:54,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395181296] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:54,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:56:54,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-28 22:56:54,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588408166]
[2021-10-28 22:56:54,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 22:56:54,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:54,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:56:54,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,637 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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)
[2021-10-28 22:56:54,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:54,655 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions.
[2021-10-28 22:56:54,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:56:54,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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
[2021-10-28 22:56:54,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:54,657 INFO L225 Difference]: With dead ends: 26
[2021-10-28 22:56:54,657 INFO L226 Difference]: Without dead ends: 25
[2021-10-28 22:56:54,657 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:56:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2021-10-28 22:56:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2021-10-28 22:56:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 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 22:56:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions.
[2021-10-28 22:56:54,671 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 6
[2021-10-28 22:56:54,671 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:54,672 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions.
[2021-10-28 22:56:54,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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)
[2021-10-28 22:56:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions.
[2021-10-28 22:56:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-28 22:56:54,673 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:56:54,673 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:54,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-28 22:56:54,674 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2021-10-28 22:56:54,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:56:54,674 INFO L85 PathProgramCache]: Analyzing trace with hash -248985325, now seen corresponding path program 1 times
[2021-10-28 22:56:54,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:56:54,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770449896]
[2021-10-28 22:56:54,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:54,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:56:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:56:54,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:56:54,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770449896]
[2021-10-28 22:56:54,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770449896] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 22:56:54,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339679893]
[2021-10-28 22:56:54,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:56:54,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 22:56:54,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:56:54,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 22:56:54,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-10-28 22:56:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:56:54,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-10-28 22:56:54,816 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 22:56:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:56:54,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339679893] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:56:54,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 22:56:54,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2021-10-28 22:56:54,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559289615]
[2021-10-28 22:56:54,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-28 22:56:54,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:56:54,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-28 22:56:54,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-10-28 22:56:54,908 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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)
[2021-10-28 22:56:54,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:56:54,940 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions.
[2021-10-28 22:56:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-28 22:56:54,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) Word has length 10
[2021-10-28 22:56:54,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 22:56:54,941 INFO L225 Difference]: With dead ends: 50
[2021-10-28 22:56:54,942 INFO L226 Difference]: Without dead ends: 0
[2021-10-28 22:56:54,942 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-10-28 22:56:54,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-28 22:56:54,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-28 22:56:54,943 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)
[2021-10-28 22:56:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-28 22:56:54,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2021-10-28 22:56:54,943 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-28 22:56:54,943 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 22:56:54,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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)
[2021-10-28 22:56:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-28 22:56:54,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-28 22:56:54,946 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:56:54,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:56:54,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:56:54,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:56:54,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:56:54,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:56:54,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:56:54,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:56:54,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-10-28 22:56:55,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 22:56:55,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-28 22:56:55,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 22:56:55,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 22:56:55,212 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-10-28 22:56:55,212 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-28 22:56:55,213 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed.
[2021-10-28 22:56:55,213 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed.
[2021-10-28 22:56:55,213 INFO L857 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed.
[2021-10-28 22:56:55,214 INFO L853 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~y~0 2147483647) (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)))
[2021-10-28 22:56:55,214 INFO L857 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed.
[2021-10-28 22:56:55,214 INFO L857 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed.
[2021-10-28 22:56:55,214 INFO L857 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed.
[2021-10-28 22:56:55,215 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed.
[2021-10-28 22:56:55,215 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed.
[2021-10-28 22:56:55,215 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed.
[2021-10-28 22:56:55,216 INFO L857 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed.
[2021-10-28 22:56:55,216 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-28 22:56:55,216 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed.
[2021-10-28 22:56:55,216 INFO L857 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed.
[2021-10-28 22:56:55,216 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-28 22:56:55,217 INFO L857 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed.
[2021-10-28 22:56:55,217 INFO L857 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed.
[2021-10-28 22:56:55,217 INFO L857 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed.
[2021-10-28 22:56:55,217 INFO L857 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed.
[2021-10-28 22:56:55,217 INFO L857 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed.
[2021-10-28 22:56:55,218 INFO L857 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed.
[2021-10-28 22:56:55,218 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed.
[2021-10-28 22:56:55,218 INFO L860 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: true
[2021-10-28 22:56:55,222 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:56:55,224 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 22:56:55,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:56:55 BoogieIcfgContainer
[2021-10-28 22:56:55,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 22:56:55,244 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 22:56:55,244 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 22:56:55,244 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 22:56:55,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:53" (3/4) ...
[2021-10-28 22:56:55,249 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-28 22:56:55,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2021-10-28 22:56:55,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-10-28 22:56:55,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 22:56:55,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 22:56:55,330 INFO L168 Benchmark]: Toolchain (without parser) took 2062.20 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.7 MB in the beginning and 66.8 MB in the end (delta: -19.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:55,330 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 63.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:56:55,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.84 ms. Allocated memory is still 86.0 MB. Free memory was 47.4 MB in the beginning and 38.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:55,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.41 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 38.8 MB in the beginning and 83.4 MB in the end (delta: -44.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:55,334 INFO L168 Benchmark]: Boogie Preprocessor took 19.42 ms. Allocated memory is still 104.9 MB. Free memory was 83.4 MB in the beginning and 82.5 MB in the end (delta: 934.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:56:55,334 INFO L168 Benchmark]: RCFGBuilder took 255.95 ms. Allocated memory is still 104.9 MB. Free memory was 82.1 MB in the beginning and 73.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:55,337 INFO L168 Benchmark]: TraceAbstraction took 1437.14 ms. Allocated memory is still 104.9 MB. Free memory was 73.0 MB in the beginning and 69.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:55,337 INFO L168 Benchmark]: Witness Printer took 84.29 ms. Allocated memory is still 104.9 MB. Free memory was 69.5 MB in the beginning and 66.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:56:55,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 63.6 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 186.84 ms. Allocated memory is still 86.0 MB. Free memory was 47.4 MB in the beginning and 38.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 70.41 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 38.8 MB in the beginning and 83.4 MB in the end (delta: -44.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 19.42 ms. Allocated memory is still 104.9 MB. Free memory was 83.4 MB in the beginning and 82.5 MB in the end (delta: 934.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 255.95 ms. Allocated memory is still 104.9 MB. Free memory was 82.1 MB in the beginning and 73.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 1437.14 ms. Allocated memory is still 104.9 MB. Free memory was 73.0 MB in the beginning and 69.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB.
* Witness Printer took 84.29 ms. Allocated memory is still 104.9 MB. Free memory was 69.5 MB in the beginning and 66.8 MB in the end (delta: 2.7 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
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 28]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 28]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 30]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 30]: 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, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 108 SDtfs, 74 SDslu, 30 SDs, 0 SdLazy, 91 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=1, InterpolantAutomatonStates: 22, 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, 7 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 9 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 3/4 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
8 specifications checked. All of them hold
- InvariantResult [Line: 18]: Loop Invariant
Derived loop invariant: (y <= 2147483647 && x <= 2147483647) && 0 <= x + 2147483648
- InvariantResult [Line: 13]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2021-10-28 22:56:55,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b9eea83-7e18-46f9-b026-edd8ac36b4f8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...