./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw --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 f23c4102cc8cffc1c4a7a8ad49a8497c74f47f44c37be04f4ed5f1ca619fac2a ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:24:18,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:24:18,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:24:18,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:24:18,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:24:18,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:24:18,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:24:18,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:24:18,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:24:18,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:24:18,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:24:18,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:24:18,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:24:18,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:24:18,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:24:18,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:24:18,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:24:18,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:24:18,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:24:18,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:24:18,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:24:18,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:24:18,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:24:18,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:24:18,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:24:18,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:24:18,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:24:18,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:24:18,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:24:18,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:24:18,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:24:18,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:24:18,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:24:18,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:24:18,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:24:18,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:24:18,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:24:18,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:24:18,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:24:18,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:24:18,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:24:18,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-20 05:24:18,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:24:18,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:24:18,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:24:18,379 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:24:18,379 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:24:18,379 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:24:18,380 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:24:18,380 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:24:18,380 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:24:18,380 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:24:18,380 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:24:18,381 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:24:18,381 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:24:18,381 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:24:18,381 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:24:18,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:24:18,382 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:24:18,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:24:18,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:24:18,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:24:18,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:24:18,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:24:18,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:24:18,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:24:18,384 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-20 05:24:18,384 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:24:18,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:24:18,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:24:18,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:24:18,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:24:18,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:24:18,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:24:18,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:24:18,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:24:18,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:24:18,387 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:24:18,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:24:18,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:24:18,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:24:18,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:24:18,388 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_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f23c4102cc8cffc1c4a7a8ad49a8497c74f47f44c37be04f4ed5f1ca619fac2a [2021-10-20 05:24:18,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:24:18,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:24:18,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:24:18,680 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:24:18,682 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:24:18,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2021-10-20 05:24:18,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/data/a95866201/8c6d08ac3a3b4fa3a9bc8e5123752585/FLAGb54e6abdd [2021-10-20 05:24:19,209 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:24:19,209 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2021-10-20 05:24:19,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/data/a95866201/8c6d08ac3a3b4fa3a9bc8e5123752585/FLAGb54e6abdd [2021-10-20 05:24:19,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/data/a95866201/8c6d08ac3a3b4fa3a9bc8e5123752585 [2021-10-20 05:24:19,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:24:19,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:24:19,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:24:19,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:24:19,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:24:19,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470d7d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19, skipping insertion in model container [2021-10-20 05:24:19,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:24:19,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:24:19,807 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_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/sv-benchmarks/c/recursive-simple/id2_b3_o2.c[771,784] [2021-10-20 05:24:19,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:24:19,821 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:24:19,841 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_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/sv-benchmarks/c/recursive-simple/id2_b3_o2.c[771,784] [2021-10-20 05:24:19,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:24:19,856 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:24:19,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19 WrapperNode [2021-10-20 05:24:19,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:24:19,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:24:19,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:24:19,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:24:19,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:24:19,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:24:19,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:24:19,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:24:19,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:24:19,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:24:19,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:24:19,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:24:19,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (1/1) ... [2021-10-20 05:24:19,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:24:19,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:24:19,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:24:20,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:24:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 05:24:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:24:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-10-20 05:24:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-10-20 05:24:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:24:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:24:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-20 05:24:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-20 05:24:20,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:24:20,362 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-20 05:24:20,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:24:20 BoogieIcfgContainer [2021-10-20 05:24:20,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:24:20,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:24:20,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:24:20,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:24:20,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:24:19" (1/3) ... [2021-10-20 05:24:20,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9b0c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:24:20, skipping insertion in model container [2021-10-20 05:24:20,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:19" (2/3) ... [2021-10-20 05:24:20,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9b0c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:24:20, skipping insertion in model container [2021-10-20 05:24:20,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:24:20" (3/3) ... [2021-10-20 05:24:20,375 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b3_o2.c [2021-10-20 05:24:20,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:24:20,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-20 05:24:20,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9b0c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:24:20, skipping insertion in model container [2021-10-20 05:24:20,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:24:20,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:24:20,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:24:20,400 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:24:20,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:24:20" (3/3) ... [2021-10-20 05:24:20,403 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:24:20,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-10-20 05:24:20,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-20 05:24:20,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-20 05:24:20,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-20 05:24:20,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:24:20,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:24:20,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:24:20,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:24:20,485 INFO L168 Benchmark]: Toolchain (without parser) took 883.38 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 70.3 MB in the beginning and 88.9 MB in the end (delta: -18.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:20,486 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:24:20,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.46 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 70.1 MB in the beginning and 106.7 MB in the end (delta: -36.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:20,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 130.0 MB. Free memory was 106.7 MB in the beginning and 105.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:20,488 INFO L168 Benchmark]: Boogie Preprocessor took 45.78 ms. Allocated memory is still 130.0 MB. Free memory was 105.2 MB in the beginning and 104.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:24:20,489 INFO L168 Benchmark]: RCFGBuilder took 405.28 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 93.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:20,489 INFO L168 Benchmark]: TraceAbstraction took 31.52 ms. Allocated memory is still 130.0 MB. Free memory was 92.6 MB in the beginning and 91.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:24:20,490 INFO L168 Benchmark]: Witness Printer took 83.49 ms. Allocated memory is still 130.0 MB. Free memory was 91.6 MB in the beginning and 88.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:20,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 245.46 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 70.1 MB in the beginning and 106.7 MB in the end (delta: -36.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 130.0 MB. Free memory was 106.7 MB in the beginning and 105.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.78 ms. Allocated memory is still 130.0 MB. Free memory was 105.2 MB in the beginning and 104.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 405.28 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 93.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31.52 ms. Allocated memory is still 130.0 MB. Free memory was 92.6 MB in the beginning and 91.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 83.49 ms. Allocated memory is still 130.0 MB. Free memory was 91.6 MB in the beginning and 88.9 MB in the end (delta: 2.6 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! [2021-10-20 05:24:20,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5591eb8-6ed8-4ff1-98d4-d1a31a892289/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...