./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V --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 2bbfc52b9a0467d32481e7413235257f8cdbdcb51c829bb358c94a1739554a21 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:30:13,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:30:13,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:30:13,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:30:13,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:30:13,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:30:13,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:30:13,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:30:13,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:30:13,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:30:13,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:30:13,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:30:13,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:30:13,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:30:13,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:30:13,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:30:13,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:30:13,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:30:13,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:30:13,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:30:13,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:30:13,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:30:13,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:30:13,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:30:13,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:30:13,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:30:13,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:30:13,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:30:13,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:30:13,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:30:13,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:30:13,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:30:13,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:30:13,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:30:13,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:30:13,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:30:13,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:30:13,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:30:13,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:30:13,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:30:13,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:30:13,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 03:30:13,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:30:13,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:30:13,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:30:13,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:30:13,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:30:13,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:30:13,549 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:30:13,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:30:13,549 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:30:13,550 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:30:13,550 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:30:13,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:30:13,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:30:13,551 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:30:13,551 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:30:13,551 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:30:13,551 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:30:13,552 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:30:13,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:30:13,553 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:30:13,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:30:13,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:30:13,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:30:13,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:30:13,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:30:13,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:30:13,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:30:13,555 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 03:30:13,555 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:30:13,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:30:13,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:30:13,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:30:13,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:30:13,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:30:13,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:30:13,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:30:13,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:30:13,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:30:13,558 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:30:13,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:30:13,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:30:13,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:30:13,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:30:13,559 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_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bbfc52b9a0467d32481e7413235257f8cdbdcb51c829bb358c94a1739554a21 [2021-11-23 03:30:13,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:30:13,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:30:13,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:30:13,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:30:13,872 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:30:13,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2021-11-23 03:30:13,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/data/4ae2fe012/9a82584ae8224340b15df99051d10b2a/FLAG927c81293 [2021-11-23 03:30:14,577 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:30:14,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2021-11-23 03:30:14,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/data/4ae2fe012/9a82584ae8224340b15df99051d10b2a/FLAG927c81293 [2021-11-23 03:30:14,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/data/4ae2fe012/9a82584ae8224340b15df99051d10b2a [2021-11-23 03:30:14,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:30:14,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:30:14,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:30:14,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:30:14,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:30:14,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:14" (1/1) ... [2021-11-23 03:30:14,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3670fca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:14, skipping insertion in model container [2021-11-23 03:30:14,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:14" (1/1) ... [2021-11-23 03:30:14,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:30:15,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:30:15,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/sv-benchmarks/c/recursive-simple/id_b2_o3.c[568,581] [2021-11-23 03:30:15,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:30:15,165 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:30:15,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/sv-benchmarks/c/recursive-simple/id_b2_o3.c[568,581] [2021-11-23 03:30:15,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:30:15,197 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:30:15,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15 WrapperNode [2021-11-23 03:30:15,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:30:15,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:30:15,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:30:15,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:30:15,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,236 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-23 03:30:15,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:30:15,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:30:15,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:30:15,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:30:15,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:30:15,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:30:15,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:30:15,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:30:15,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (1/1) ... [2021-11-23 03:30:15,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:30:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:30:15,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:30:15,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:30:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:30:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:30:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:30:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:30:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-23 03:30:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-23 03:30:15,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:30:15,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:30:15,575 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:30:15,602 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:30:15,602 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:30:15,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:15 BoogieIcfgContainer [2021-11-23 03:30:15,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:30:15,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:30:15,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:30:15,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:30:15,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:30:14" (1/3) ... [2021-11-23 03:30:15,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5659b1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:15, skipping insertion in model container [2021-11-23 03:30:15,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:15" (2/3) ... [2021-11-23 03:30:15,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5659b1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:15, skipping insertion in model container [2021-11-23 03:30:15,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:15" (3/3) ... [2021-11-23 03:30:15,617 INFO L111 eAbstractionObserver]: Analyzing ICFG id_b2_o3.c [2021-11-23 03:30:15,623 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:30:15,624 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-23 03:30:15,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5659b1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:30:15, skipping insertion in model container [2021-11-23 03:30:15,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:30:15,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:30:15,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:30:15,643 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:30:15,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:15" (3/3) ... [2021-11-23 03:30:15,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:30:15,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-23 03:30:15,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-23 03:30:15,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 03:30:15,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 03:30:15,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:30:15,754 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:30:15,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:30:15,757 INFO L158 Benchmark]: Toolchain (without parser) took 791.23ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 73.0MB in the beginning and 107.1MB in the end (delta: -34.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 03:30:15,759 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 69.9MB in the beginning and 69.8MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:30:15,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.70ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 63.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:30:15,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.12ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 62.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:30:15,763 INFO L158 Benchmark]: Boogie Preprocessor took 20.38ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 61.3MB in the end (delta: 751.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:30:15,764 INFO L158 Benchmark]: RCFGBuilder took 346.31ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 52.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 03:30:15,765 INFO L158 Benchmark]: TraceAbstraction took 18.41ms. Allocated memory is still 100.7MB. Free memory was 51.6MB in the beginning and 50.7MB in the end (delta: 835.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:30:15,767 INFO L158 Benchmark]: Witness Printer took 111.83ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 50.7MB in the beginning and 107.1MB in the end (delta: -56.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 03:30:15,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 69.9MB in the beginning and 69.8MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.70ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 63.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.12ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 62.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.38ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 61.3MB in the end (delta: 751.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.31ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 52.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18.41ms. Allocated memory is still 100.7MB. Free memory was 51.6MB in the beginning and 50.7MB in the end (delta: 835.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 111.83ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 50.7MB in the beginning and 107.1MB in the end (delta: -56.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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! [2021-11-23 03:30:15,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b4f9ad-41b9-4758-9385-e3a0b3b3ebc0/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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