./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --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 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:34,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:34,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-25 00:10:34,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:34,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:34,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:34,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:34,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:34,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:34,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:34,580 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:34,582 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:34,582 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:34,585 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:10:34,585 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:34,586 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:34,586 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:10:34,586 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:10:34,587 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:34,587 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:10:34,588 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:10:34,589 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:10:34,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:34,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:34,591 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:10:34,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:34,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:10:34,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:34,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:34,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:34,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:34,595 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:10:34,595 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:10:34,595 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:10:34,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:34,596 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:34,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:34,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:34,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:34,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:34,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:34,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:34,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:34,599 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:10:34,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:10:34,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:34,600 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:34,601 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:34,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:34,601 INFO L153 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_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d [2023-11-25 00:10:35,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:35,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:35,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:35,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:35,044 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:35,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/recursive-simple/id_o20.c [2023-11-25 00:10:38,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:38,371 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:38,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/sv-benchmarks/c/recursive-simple/id_o20.c [2023-11-25 00:10:38,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/data/f54ebf6f2/ae89c96bdbcd46df805d652d57b63d94/FLAGd1082493d [2023-11-25 00:10:38,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/data/f54ebf6f2/ae89c96bdbcd46df805d652d57b63d94 [2023-11-25 00:10:38,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:38,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:38,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:38,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:38,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:38,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a61b4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38, skipping insertion in model container [2023-11-25 00:10:38,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:38,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:38,666 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:38,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:38,695 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:38,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38 WrapperNode [2023-11-25 00:10:38,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:38,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:38,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:38,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:38,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,729 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20 [2023-11-25 00:10:38,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:38,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:38,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:38,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:38,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:38,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:38,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:38,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:38,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (1/1) ... [2023-11-25 00:10:38,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:38,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:38,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:38,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:10:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-25 00:10:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-25 00:10:38,928 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:38,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:39,074 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:39,127 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:39,127 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:10:39,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:39 BoogieIcfgContainer [2023-11-25 00:10:39,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:39,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:39,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:39,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:39,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:38" (1/3) ... [2023-11-25 00:10:39,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1768bd3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:39, skipping insertion in model container [2023-11-25 00:10:39,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:38" (2/3) ... [2023-11-25 00:10:39,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1768bd3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:39, skipping insertion in model container [2023-11-25 00:10:39,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:39" (3/3) ... [2023-11-25 00:10:39,140 INFO L112 eAbstractionObserver]: Analyzing ICFG id_o20.c [2023-11-25 00:10:39,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:39,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-25 00:10:39,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1768bd3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:10:39, skipping insertion in model container [2023-11-25 00:10:39,163 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:10:39,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:10:39,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:10:39,165 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:10:39,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:39" (3/3) ... [2023-11-25 00:10:39,168 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-25 00:10:39,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-11-25 00:10:39,177 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-25 00:10:39,177 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-25 00:10:39,177 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-25 00:10:39,178 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-25 00:10:39,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-25 00:10:39,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-25 00:10:39,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:10:39,263 INFO L158 Benchmark]: Toolchain (without parser) took 852.29ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 85.0MB in the end (delta: 18.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-25 00:10:39,263 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory was 107.2MB in the beginning and 107.2MB in the end (delta: 72.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:10:39,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.31ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 104.6MB in the end (delta: -1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-25 00:10:39,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.78ms. Allocated memory is still 138.4MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:10:39,265 INFO L158 Benchmark]: Boogie Preprocessor took 30.43ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 102.1MB in the end (delta: 984.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:10:39,266 INFO L158 Benchmark]: RCFGBuilder took 367.20ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 92.0MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-25 00:10:39,267 INFO L158 Benchmark]: TraceAbstraction took 31.31ms. Allocated memory is still 138.4MB. Free memory was 91.3MB in the beginning and 89.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:10:39,267 INFO L158 Benchmark]: Witness Printer took 97.37ms. Allocated memory is still 138.4MB. Free memory was 89.2MB in the beginning and 85.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:10:39,271 INFO L338 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 138.4MB. Free memory was 107.2MB in the beginning and 107.2MB in the end (delta: 72.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.31ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 104.6MB in the end (delta: -1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.78ms. Allocated memory is still 138.4MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.43ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 102.1MB in the end (delta: 984.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.20ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 92.0MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 31.31ms. Allocated memory is still 138.4MB. Free memory was 91.3MB in the beginning and 89.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 97.37ms. Allocated memory is still 138.4MB. Free memory was 89.2MB in the beginning and 85.0MB in the end (delta: 4.1MB). 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-25 00:10:39,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_916507fe-90d0-4704-b9cf-92ed2595b496/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE