./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB --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 64bit --witnessprinter.graph.data.programhash e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:45:01,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:01,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:01,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:01,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:01,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:01,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:01,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:01,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:01,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:01,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:01,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:01,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:01,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:01,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:01,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:01,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:01,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:01,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:01,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:01,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:01,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:01,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:01,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:01,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:01,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:01,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:01,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:01,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:01,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:01,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:01,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:01,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:01,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:01,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:01,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:01,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:01,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:01,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:01,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:01,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:01,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:45:01,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:01,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:01,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:01,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:01,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:01,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:01,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:01,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:45:01,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:01,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:01,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:01,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:01,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:01,360 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:45:01,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:01,360 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:01,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:01,361 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:01,361 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:01,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:01,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:01,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:01,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:01,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:01,363 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:01,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:01,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:01,364 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_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 [2022-10-17 16:45:01,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:01,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:01,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:01,755 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:01,756 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:01,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2022-10-17 16:45:01,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/data/04b81aea5/74fd27de5a024b21a5f30ab003b34027/FLAGb589f3dcd [2022-10-17 16:45:02,442 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:02,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2022-10-17 16:45:02,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/data/04b81aea5/74fd27de5a024b21a5f30ab003b34027/FLAGb589f3dcd [2022-10-17 16:45:02,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/data/04b81aea5/74fd27de5a024b21a5f30ab003b34027 [2022-10-17 16:45:02,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:02,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:02,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:02,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:02,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:02,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:02" (1/1) ... [2022-10-17 16:45:02,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3859a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:02, skipping insertion in model container [2022-10-17 16:45:02,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:02" (1/1) ... [2022-10-17 16:45:02,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:02,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:03,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:03,179 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:03,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:03,294 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:03,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03 WrapperNode [2022-10-17 16:45:03,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:03,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:03,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:03,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:03,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,360 INFO L138 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2022-10-17 16:45:03,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:03,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:03,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:03,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:03,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,397 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:03,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:03,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:03,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:03,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:03,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:03,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:03,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:03,621 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:03,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:03,693 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:03,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:03,727 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:45:03,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:03 BoogieIcfgContainer [2022-10-17 16:45:03,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:03,731 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:03,732 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:03,745 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:03,745 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:03" (1/1) ... [2022-10-17 16:45:03,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:03,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 2 states and 1 transitions. [2022-10-17 16:45:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states and 1 transitions. [2022-10-17 16:45:03,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:45:03,827 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2022-10-17 16:45:03,835 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2022-10-17 16:45:03,851 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:03,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:45:03 ImpRootNode [2022-10-17 16:45:03,857 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:45:03,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:45:03,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:45:03,859 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:45:03,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:03" (3/4) ... [2022-10-17 16:45:03,864 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:45:03,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-10-17 16:45:03,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:45:03,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:45:03,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:45:03,915 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:45:03,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:45:03,917 INFO L158 Benchmark]: Toolchain (without parser) took 1178.25ms. Allocated memory is still 113.2MB. Free memory was 71.6MB in the beginning and 62.1MB in the end (delta: 9.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:45:03,917 INFO L158 Benchmark]: CDTParser took 1.73ms. Allocated memory is still 113.2MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:45:03,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.41ms. Allocated memory is still 113.2MB. Free memory was 71.4MB in the beginning and 81.3MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:45:03,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.85ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:03,920 INFO L158 Benchmark]: Boogie Preprocessor took 36.86ms. Allocated memory is still 113.2MB. Free memory was 79.7MB in the beginning and 78.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:03,921 INFO L158 Benchmark]: RCFGBuilder took 325.11ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 69.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:45:03,922 INFO L158 Benchmark]: CodeCheck took 126.13ms. Allocated memory is still 113.2MB. Free memory was 69.0MB in the beginning and 64.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:45:03,923 INFO L158 Benchmark]: Witness Printer took 56.99ms. Allocated memory is still 113.2MB. Free memory was 64.1MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:03,928 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, 2 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73ms. Allocated memory is still 113.2MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.41ms. Allocated memory is still 113.2MB. Free memory was 71.4MB in the beginning and 81.3MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.85ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.86ms. Allocated memory is still 113.2MB. Free memory was 79.7MB in the beginning and 78.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.11ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 69.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 126.13ms. Allocated memory is still 113.2MB. Free memory was 69.0MB in the beginning and 64.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 56.99ms. Allocated memory is still 113.2MB. Free memory was 64.1MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:45:03,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bbcf5c-13e5-4be6-8da0-577df1768c46/bin/ukojak-92XMlrwhuB/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