./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0b05dcf763e887e9392537d1f8dbe5d5ee01cea ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:42:14,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:42:14,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:42:14,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:42:14,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:42:14,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:42:14,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:42:14,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:42:14,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:42:14,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:42:14,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:42:14,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:42:14,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:42:14,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:42:14,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:42:14,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:42:14,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:42:14,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:42:14,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:42:14,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:42:14,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:42:14,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:42:14,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:42:14,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:42:14,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:42:14,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:42:14,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:42:14,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:42:14,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:42:14,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:42:14,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:42:14,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:42:14,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:42:14,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:42:14,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:42:14,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:42:14,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:42:14,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:42:14,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:42:14,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:42:14,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:42:14,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-13 07:42:14,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:42:14,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:42:14,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:42:14,521 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:42:14,521 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:42:14,521 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:42:14,522 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:42:14,522 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:42:14,522 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:42:14,522 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:42:14,523 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:42:14,523 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:42:14,523 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:42:14,523 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:42:14,524 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:42:14,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:42:14,525 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:42:14,525 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:42:14,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:42:14,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:42:14,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:42:14,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:42:14,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:42:14,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:42:14,526 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 07:42:14,527 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:42:14,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:42:14,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:42:14,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:42:14,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:42:14,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:42:14,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:42:14,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:42:14,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:42:14,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:42:14,529 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:42:14,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:42:14,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:42:14,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:42:14,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:42:14,530 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b05dcf763e887e9392537d1f8dbe5d5ee01cea [2021-10-13 07:42:14,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:42:14,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:42:14,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:42:14,799 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:42:14,800 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:42:14,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-10-13 07:42:14,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/data/a16750fdf/69c1169f9be745b6a5adf00b38563036/FLAG34a850cd4 [2021-10-13 07:42:15,297 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:42:15,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-10-13 07:42:15,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/data/a16750fdf/69c1169f9be745b6a5adf00b38563036/FLAG34a850cd4 [2021-10-13 07:42:15,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/data/a16750fdf/69c1169f9be745b6a5adf00b38563036 [2021-10-13 07:42:15,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:42:15,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:42:15,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:42:15,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:42:15,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:42:15,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bd3429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15, skipping insertion in model container [2021-10-13 07:42:15,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:42:15,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:42:15,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2021-10-13 07:42:15,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:42:15,891 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:42:15,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2021-10-13 07:42:15,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:42:15,921 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:42:15,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15 WrapperNode [2021-10-13 07:42:15,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:42:15,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:42:15,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:42:15,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:42:15,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:42:15,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:42:15,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:42:15,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:42:15,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:42:15,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:42:15,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:42:15,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:42:15,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (1/1) ... [2021-10-13 07:42:15,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:42:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:42:16,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:42:16,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:42:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:42:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:42:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-10-13 07:42:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-10-13 07:42:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:42:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:42:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-13 07:42:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-13 07:42:16,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:42:16,458 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 07:42:16,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:42:16 BoogieIcfgContainer [2021-10-13 07:42:16,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:42:16,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:42:16,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:42:16,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:42:16,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:42:15" (1/3) ... [2021-10-13 07:42:16,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54025081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:42:16, skipping insertion in model container [2021-10-13 07:42:16,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:15" (2/3) ... [2021-10-13 07:42:16,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54025081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:42:16, skipping insertion in model container [2021-10-13 07:42:16,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:42:16" (3/3) ... [2021-10-13 07:42:16,469 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2021-10-13 07:42:16,474 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:42:16,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 07:42:16,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54025081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:42:16, skipping insertion in model container [2021-10-13 07:42:16,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:42:16,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:42:16,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:42:16,478 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:42:16,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:42:16" (3/3) ... [2021-10-13 07:42:16,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:42:16,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-10-13 07:42:16,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-13 07:42:16,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-13 07:42:16,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 07:42:16,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:42:16,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:42:16,533 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:42:16,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:42:16,535 INFO L168 Benchmark]: Toolchain (without parser) took 847.29 ms. Allocated memory is still 111.1 MB. Free memory was 68.7 MB in the beginning and 68.1 MB in the end (delta: 622.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:16,536 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory was 85.3 MB in the beginning and 85.2 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:16,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.51 ms. Allocated memory is still 111.1 MB. Free memory was 68.6 MB in the beginning and 85.8 MB in the end (delta: -17.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:16,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 111.1 MB. Free memory was 85.8 MB in the beginning and 84.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:16,538 INFO L168 Benchmark]: Boogie Preprocessor took 18.51 ms. Allocated memory is still 111.1 MB. Free memory was 84.6 MB in the beginning and 83.6 MB in the end (delta: 966.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:16,539 INFO L168 Benchmark]: RCFGBuilder took 486.47 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 72.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:16,539 INFO L168 Benchmark]: TraceAbstraction took 14.23 ms. Allocated memory is still 111.1 MB. Free memory was 71.7 MB in the beginning and 70.8 MB in the end (delta: 932.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:16,540 INFO L168 Benchmark]: Witness Printer took 56.05 ms. Allocated memory is still 111.1 MB. Free memory was 70.8 MB in the beginning and 68.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:16,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory was 85.3 MB in the beginning and 85.2 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 233.51 ms. Allocated memory is still 111.1 MB. Free memory was 68.6 MB in the beginning and 85.8 MB in the end (delta: -17.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 111.1 MB. Free memory was 85.8 MB in the beginning and 84.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.51 ms. Allocated memory is still 111.1 MB. Free memory was 84.6 MB in the beginning and 83.6 MB in the end (delta: 966.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 486.47 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 72.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14.23 ms. Allocated memory is still 111.1 MB. Free memory was 71.7 MB in the beginning and 70.8 MB in the end (delta: 932.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 56.05 ms. Allocated memory is still 111.1 MB. Free memory was 70.8 MB in the beginning and 68.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-10-13 07:42:16,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f3eb2f7-d58c-48c5-b263-d32889360d9c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...