./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:29:07,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:29:07,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:29:07,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:29:07,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:29:07,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:29:07,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:29:07,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:29:07,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:29:07,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:29:07,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:29:07,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:29:07,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:29:07,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:29:07,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:29:07,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:29:07,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:29:07,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:29:07,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:29:07,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:29:07,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:29:07,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:29:07,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:29:07,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:29:07,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:29:07,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:29:07,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:29:07,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:29:07,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:29:07,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:29:07,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:29:07,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:29:07,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:29:07,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:29:07,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:29:07,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:29:07,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:29:07,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:29:07,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:29:07,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:29:07,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:29:07,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:29:07,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:29:07,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:29:07,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:29:07,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:29:07,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:29:07,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:29:07,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:29:07,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:29:07,407 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:29:07,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:29:07,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:29:07,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:29:07,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:29:07,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:29:07,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:29:07,410 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:29:07,410 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:29:07,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:29:07,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:29:07,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:29:07,411 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:29:07,411 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:29:07,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:29:07,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:29:07,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:29:07,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:29:07,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:29:07,413 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:29:07,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:29:07,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:29:07,415 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_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 [2021-11-21 05:29:07,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:29:07,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:29:07,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:29:07,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:29:07,729 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:29:07,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2021-11-21 05:29:07,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/data/64a6f5ced/af38c0f5362c48f28882a643d5b076bd/FLAGd8d77ee39 [2021-11-21 05:29:08,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:29:08,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2021-11-21 05:29:08,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/data/64a6f5ced/af38c0f5362c48f28882a643d5b076bd/FLAGd8d77ee39 [2021-11-21 05:29:08,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/data/64a6f5ced/af38c0f5362c48f28882a643d5b076bd [2021-11-21 05:29:08,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:29:08,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:29:08,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:29:08,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:29:08,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:29:08,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:29:08" (1/1) ... [2021-11-21 05:29:08,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c8c190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:08, skipping insertion in model container [2021-11-21 05:29:08,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:29:08" (1/1) ... [2021-11-21 05:29:08,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:29:08,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:29:08,979 WARN L230 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_980e3b71-6c26-490f-a86e-5c066e192751/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2021-11-21 05:29:08,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:29:09,001 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:29:09,015 WARN L230 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_980e3b71-6c26-490f-a86e-5c066e192751/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2021-11-21 05:29:09,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:29:09,036 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:29:09,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09 WrapperNode [2021-11-21 05:29:09,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:29:09,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:29:09,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:29:09,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:29:09,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,076 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2021-11-21 05:29:09,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:29:09,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:29:09,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:29:09,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:29:09,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:29:09,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:29:09,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:29:09,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:29:09,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:29:09,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:29:09,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:29:09,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:29:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:29:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:29:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:29:09,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:29:09,272 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:29:09,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:29:09,423 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:29:09,456 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:29:09,458 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 05:29:09,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:29:09 BoogieIcfgContainer [2021-11-21 05:29:09,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:29:09,462 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:29:09,462 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:29:09,473 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:29:09,474 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:29:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-21 05:29:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-21 05:29:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:29:09,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:09,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-21 05:29:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-21 05:29:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:29:09,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:09,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-21 05:29:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-21 05:29:10,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:29:10,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:10,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:10,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-21 05:29:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-21 05:29:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:29:10,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:10,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-21 05:29:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-21 05:29:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:29:11,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:11,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-11-21 05:29:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-21 05:29:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:29:11,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:11,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-11-21 05:29:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-21 05:29:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:29:11,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:11,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-11-21 05:29:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-11-21 05:29:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:29:12,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:12,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2021-11-21 05:29:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2021-11-21 05:29:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:29:13,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:13,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-21 05:29:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-21 05:29:13,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:29:13,766 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-11-21 05:29:13,775 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-21 05:29:13,805 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-21 05:29:13,814 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:29:13,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:29:13 ImpRootNode [2021-11-21 05:29:13,815 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:29:13,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:29:13,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:29:13,816 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:29:13,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:29:09" (3/4) ... [2021-11-21 05:29:13,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:29:13,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-21 05:29:13,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-21 05:29:13,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 05:29:13,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 05:29:13,864 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:29:13,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:29:13,866 INFO L158 Benchmark]: Toolchain (without parser) took 5130.13ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 52.6MB in the beginning and 48.1MB in the end (delta: 4.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-21 05:29:13,866 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 68.8MB in the beginning and 68.7MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:29:13,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.27ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 65.3MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:29:13,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.24ms. Allocated memory is still 88.1MB. Free memory was 65.3MB in the beginning and 63.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:29:13,868 INFO L158 Benchmark]: Boogie Preprocessor took 35.81ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 62.8MB in the end (delta: 994.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:29:13,868 INFO L158 Benchmark]: RCFGBuilder took 346.94ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 53.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:29:13,869 INFO L158 Benchmark]: CodeCheck took 4353.31ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 53.2MB in the beginning and 51.0MB in the end (delta: 2.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-21 05:29:13,870 INFO L158 Benchmark]: Witness Printer took 48.99ms. Allocated memory is still 111.1MB. Free memory was 51.0MB in the beginning and 48.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:29:13,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 210 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 894 IncrementalHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 210 mSolverCounterUnsat, 0 mSDtfsCounter, 894 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 791 GetRequests, 641 SyntacticMatches, 38 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5386 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 16/35 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: x <= y && y <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 68.8MB in the beginning and 68.7MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.27ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 65.3MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.24ms. Allocated memory is still 88.1MB. Free memory was 65.3MB in the beginning and 63.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.81ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 62.8MB in the end (delta: 994.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.94ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 53.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4353.31ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 53.2MB in the beginning and 51.0MB in the end (delta: 2.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 48.99ms. Allocated memory is still 111.1MB. Free memory was 51.0MB in the beginning and 48.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 05:29:13,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980e3b71-6c26-490f-a86e-5c066e192751/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE