./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7 --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 8c08a983a7c0b08f878bb6cfb5a8d37d856d7302f69f84382c3f724537bcbd1e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:51:04,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:51:04,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:51:04,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:51:04,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:51:04,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:51:04,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:51:04,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:51:04,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:51:04,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:51:04,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:51:04,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:51:04,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:51:04,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:51:04,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:51:04,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:51:04,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:51:04,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:51:04,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:51:04,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:51:04,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:51:04,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:51:04,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:51:04,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:51:04,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:51:04,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:51:04,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:51:04,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:51:04,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:51:04,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:51:04,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:51:04,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:51:04,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:51:04,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:51:04,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:51:04,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:51:04,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:51:04,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:51:04,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:51:04,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:51:04,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:51:04,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 19:51:04,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:51:04,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:51:04,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:51:04,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:51:04,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:51:04,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:51:04,565 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:51:04,565 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:51:04,566 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:51:04,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:51:04,567 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:51:04,567 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:51:04,567 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:51:04,567 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:51:04,567 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:51:04,568 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:51:04,568 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:51:04,568 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:51:04,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:51:04,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:51:04,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:51:04,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:51:04,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:51:04,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:51:04,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:51:04,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:51:04,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:51:04,573 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 19:51:04,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:51:04,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:51:04,573 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:51:04,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:51:04,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:51:04,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:51:04,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:51:04,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:51:04,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:51:04,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:51:04,575 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:51:04,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:51:04,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:51:04,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:51:04,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:51:04,576 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_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c08a983a7c0b08f878bb6cfb5a8d37d856d7302f69f84382c3f724537bcbd1e [2021-11-25 19:51:04,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:51:04,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:51:04,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:51:04,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:51:04,838 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:51:04,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2021-11-25 19:51:04,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/data/94faf4b2e/b06e4a1d0fc44b73beb8f9df527ab84a/FLAG6a5ef8f00 [2021-11-25 19:51:05,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:51:05,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2021-11-25 19:51:05,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/data/94faf4b2e/b06e4a1d0fc44b73beb8f9df527ab84a/FLAG6a5ef8f00 [2021-11-25 19:51:05,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/data/94faf4b2e/b06e4a1d0fc44b73beb8f9df527ab84a [2021-11-25 19:51:05,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:51:05,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:51:05,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:51:05,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:51:05,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:51:05,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:05,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495bf371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05, skipping insertion in model container [2021-11-25 19:51:05,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:05,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:51:05,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:51:05,956 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_c701818d-1986-4282-b779-23e7f62ca8e4/sv-benchmarks/c/recursive-simple/id2_b5_o10.c[773,786] [2021-11-25 19:51:05,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:51:05,965 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:51:05,980 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_c701818d-1986-4282-b779-23e7f62ca8e4/sv-benchmarks/c/recursive-simple/id2_b5_o10.c[773,786] [2021-11-25 19:51:05,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:51:05,993 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:51:05,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05 WrapperNode [2021-11-25 19:51:05,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:51:05,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:51:05,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:51:05,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:51:06,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,024 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-25 19:51:06,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:51:06,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:51:06,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:51:06,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:51:06,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:51:06,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:51:06,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:51:06,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:51:06,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (1/1) ... [2021-11-25 19:51:06,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:51:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:51:06,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:51:06,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:51:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:51:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:51:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-11-25 19:51:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-11-25 19:51:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:51:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:51:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-25 19:51:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-25 19:51:06,190 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:51:06,192 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:51:06,331 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:51:06,378 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:51:06,379 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:51:06,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:06 BoogieIcfgContainer [2021-11-25 19:51:06,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:51:06,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:51:06,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:51:06,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:51:06,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:51:05" (1/3) ... [2021-11-25 19:51:06,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9689acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:51:06, skipping insertion in model container [2021-11-25 19:51:06,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:05" (2/3) ... [2021-11-25 19:51:06,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9689acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:51:06, skipping insertion in model container [2021-11-25 19:51:06,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:06" (3/3) ... [2021-11-25 19:51:06,390 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b5_o10.c [2021-11-25 19:51:06,398 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:51:06,398 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-25 19:51:06,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9689acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:51:06, skipping insertion in model container [2021-11-25 19:51:06,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:51:06,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:51:06,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:51:06,403 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:51:06,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:06" (3/3) ... [2021-11-25 19:51:06,408 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:51:06,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-11-25 19:51:06,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-25 19:51:06,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-25 19:51:06,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 19:51:06,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 19:51:06,423 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:51:06,479 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:51:06,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:51:06,481 INFO L158 Benchmark]: Toolchain (without parser) took 749.51ms. Allocated memory is still 88.1MB. Free memory was 53.1MB in the beginning and 48.1MB in the end (delta: 4.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-25 19:51:06,482 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:51:06,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.31ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 64.3MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:51:06,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.55ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 63.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:51:06,485 INFO L158 Benchmark]: Boogie Preprocessor took 16.37ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 62.1MB in the end (delta: 936.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:51:06,485 INFO L158 Benchmark]: RCFGBuilder took 340.33ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 52.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:51:06,486 INFO L158 Benchmark]: TraceAbstraction took 16.51ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 51.0MB in the end (delta: 674.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:51:06,487 INFO L158 Benchmark]: Witness Printer took 77.74ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 48.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 19:51:06,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.31ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 64.3MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.55ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 63.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.37ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 62.1MB in the end (delta: 936.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.33ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 52.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16.51ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 51.0MB in the end (delta: 674.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.74ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 48.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. 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! [2021-11-25 19:51:06,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c701818d-1986-4282-b779-23e7f62ca8e4/bin/utaipan-eEHZpOm5b7/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