./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark35_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark35_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC --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 c943a364d2a5449039a4c16c790d2052154a1aec ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:21:06,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:06,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:06,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:06,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:06,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:06,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:06,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:06,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:06,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:06,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:06,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:06,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:06,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:06,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:06,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:06,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:06,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:06,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:06,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:06,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:06,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:06,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:06,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:06,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:06,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:06,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:06,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:06,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:06,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:06,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:06,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:06,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:06,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:06,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:06,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:06,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:06,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:06,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:06,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:06,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:06,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-11 00:21:06,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:06,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:06,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:06,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:06,492 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:06,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:06,493 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:06,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:21:06,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:06,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:06,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:06,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:06,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:06,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:06,497 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 00:21:06,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:06,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:06,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:06,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:06,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:06,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:06,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:06,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:06,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:06,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:06,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:06,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:06,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:06,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:06,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:06,503 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_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c943a364d2a5449039a4c16c790d2052154a1aec [2021-10-11 00:21:06,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:06,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:06,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:06,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:06,847 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:06,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loop-zilu/benchmark35_linear.i [2021-10-11 00:21:06,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/data/edbffcc74/70d65cbf9e1c4cdab096007a9053b9d8/FLAGd0e9a61df [2021-10-11 00:21:07,488 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:07,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/sv-benchmarks/c/loop-zilu/benchmark35_linear.i [2021-10-11 00:21:07,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/data/edbffcc74/70d65cbf9e1c4cdab096007a9053b9d8/FLAGd0e9a61df [2021-10-11 00:21:07,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/data/edbffcc74/70d65cbf9e1c4cdab096007a9053b9d8 [2021-10-11 00:21:07,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:07,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:07,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:07,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:07,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:07,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:07" (1/1) ... [2021-10-11 00:21:07,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a6e841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:07, skipping insertion in model container [2021-10-11 00:21:07,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:07" (1/1) ... [2021-10-11 00:21:07,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:07,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:08,037 WARN L226 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_0904ee77-bf88-428d-919b-310602194747/sv-benchmarks/c/loop-zilu/benchmark35_linear.i[868,881] [2021-10-11 00:21:08,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:08,057 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:08,074 WARN L226 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_0904ee77-bf88-428d-919b-310602194747/sv-benchmarks/c/loop-zilu/benchmark35_linear.i[868,881] [2021-10-11 00:21:08,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:08,094 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:08,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08 WrapperNode [2021-10-11 00:21:08,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:08,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:08,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:08,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:08,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:08,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:08,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:08,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:08,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... [2021-10-11 00:21:08,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:08,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:08,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:08,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:08,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:08,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:08,519 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:21:08,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:08 BoogieIcfgContainer [2021-10-11 00:21:08,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:08,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:08,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:08,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:08,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:07" (1/3) ... [2021-10-11 00:21:08,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdcbcba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:08, skipping insertion in model container [2021-10-11 00:21:08,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:08" (2/3) ... [2021-10-11 00:21:08,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdcbcba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:08, skipping insertion in model container [2021-10-11 00:21:08,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:08" (3/3) ... [2021-10-11 00:21:08,533 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark35_linear.i [2021-10-11 00:21:08,547 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:08,550 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 00:21:08,564 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 00:21:08,600 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:08,601 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:08,601 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:08,601 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:08,601 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:08,601 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:08,602 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:08,602 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:08,618 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2021-10-11 00:21:08,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 00:21:08,628 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:08,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 00:21:08,630 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:21:08,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:08,637 INFO L82 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2021-10-11 00:21:08,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:08,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121276409] [2021-10-11 00:21:08,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:08,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121276409] [2021-10-11 00:21:08,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:08,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:08,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047614060] [2021-10-11 00:21:08,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:08,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:08,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:08,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:08,893 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2021-10-11 00:21:08,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:08,934 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2021-10-11 00:21:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:08,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-10-11 00:21:08,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:08,944 INFO L225 Difference]: With dead ends: 23 [2021-10-11 00:21:08,944 INFO L226 Difference]: Without dead ends: 7 [2021-10-11 00:21:08,947 INFO L677 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 [2021-10-11 00:21:08,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-11 00:21:08,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-11 00:21:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-11 00:21:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-11 00:21:08,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2021-10-11 00:21:08,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:08,977 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-10-11 00:21:08,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:08,977 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-11 00:21:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 00:21:08,978 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:08,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:21:08,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:08,979 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:21:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:08,980 INFO L82 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2021-10-11 00:21:08,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:08,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839236717] [2021-10-11 00:21:08,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:09,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839236717] [2021-10-11 00:21:09,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:09,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:09,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582935425] [2021-10-11 00:21:09,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:09,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:09,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:09,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:09,017 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 3 states. [2021-10-11 00:21:09,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:09,031 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-10-11 00:21:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:09,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2021-10-11 00:21:09,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:09,032 INFO L225 Difference]: With dead ends: 7 [2021-10-11 00:21:09,033 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:09,033 INFO L677 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 [2021-10-11 00:21:09,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:09,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:09,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-11 00:21:09,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:09,035 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:09,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:09,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:09,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:09,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:09,052 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2021-10-11 00:21:09,052 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:09,052 INFO L262 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2021-10-11 00:21:09,053 INFO L262 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2021-10-11 00:21:09,053 INFO L262 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2021-10-11 00:21:09,053 INFO L262 CegarLoopResult]: For program point L15(lines 15 17) no Hoare annotation was computed. [2021-10-11 00:21:09,053 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:09,053 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2021-10-11 00:21:09,054 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:09,054 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:09,054 INFO L265 CegarLoopResult]: At program point L26(lines 19 27) the Hoare annotation is: true [2021-10-11 00:21:09,054 INFO L258 CegarLoopResult]: At program point L22-2(lines 22 24) the Hoare annotation is: (<= 0 ULTIMATE.start_main_~x~0) [2021-10-11 00:21:09,055 INFO L262 CegarLoopResult]: For program point L22-3(lines 22 24) no Hoare annotation was computed. [2021-10-11 00:21:09,055 INFO L262 CegarLoopResult]: For program point L14(lines 14 18) no Hoare annotation was computed. [2021-10-11 00:21:09,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:09 BoogieIcfgContainer [2021-10-11 00:21:09,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:09,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:09,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:09,070 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:09,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:08" (3/4) ... [2021-10-11 00:21:09,074 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:09,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-11 00:21:09,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:21:09,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:09,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:09,118 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0904ee77-bf88-428d-919b-310602194747/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:09,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:09,120 INFO L168 Benchmark]: Toolchain (without parser) took 1283.13 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 54.4 MB in the beginning and 81.0 MB in the end (delta: -26.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:09,121 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 88.1 MB. Free memory was 58.2 MB in the beginning and 58.2 MB in the end (delta: 30.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:09,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.62 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 54.1 MB in the beginning and 121.2 MB in the end (delta: -67.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:09,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.28 ms. Allocated memory is still 144.7 MB. Free memory was 121.2 MB in the beginning and 120.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:09,123 INFO L168 Benchmark]: Boogie Preprocessor took 32.59 ms. Allocated memory is still 144.7 MB. Free memory was 120.0 MB in the beginning and 119.2 MB in the end (delta: 788.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:09,124 INFO L168 Benchmark]: RCFGBuilder took 349.89 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 107.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:09,125 INFO L168 Benchmark]: TraceAbstraction took 544.02 ms. Allocated memory is still 144.7 MB. Free memory was 107.5 MB in the beginning and 83.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:09,125 INFO L168 Benchmark]: Witness Printer took 48.61 ms. Allocated memory is still 144.7 MB. Free memory was 83.6 MB in the beginning and 81.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:09,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 88.1 MB. Free memory was 58.2 MB in the beginning and 58.2 MB in the end (delta: 30.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 260.62 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 54.1 MB in the beginning and 121.2 MB in the end (delta: -67.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.28 ms. Allocated memory is still 144.7 MB. Free memory was 121.2 MB in the beginning and 120.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.59 ms. Allocated memory is still 144.7 MB. Free memory was 120.0 MB in the beginning and 119.2 MB in the end (delta: 788.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 349.89 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 107.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 544.02 ms. Allocated memory is still 144.7 MB. Free memory was 107.5 MB in the beginning and 83.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 48.61 ms. Allocated memory is still 144.7 MB. Free memory was 83.6 MB in the beginning and 81.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...