./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX --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 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:54,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:54,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:50:54,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:54,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:54,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:54,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:54,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:54,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:54,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:54,330 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:54,330 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:54,331 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:54,332 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:54,333 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:54,333 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:54,334 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:54,334 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:54,335 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:54,335 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:54,336 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:54,336 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:54,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:54,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:54,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:50:54,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:54,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:50:54,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:54,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:54,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:54,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:54,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:50:54,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:50:54,343 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:50:54,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:54,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:54,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:54,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:54,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:54,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:54,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:54,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:54,345 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:54,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:54,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:54,346 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:54,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:54,347 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_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 [2023-11-12 00:50:54,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:54,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:54,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:54,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:54,701 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:54,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2023-11-12 00:50:57,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:58,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:58,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2023-11-12 00:50:58,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/data/aaa87201c/ea6930b60f4d4bdbab17b678845a232d/FLAG709429eac [2023-11-12 00:50:58,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/data/aaa87201c/ea6930b60f4d4bdbab17b678845a232d [2023-11-12 00:50:58,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:58,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:58,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:58,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:58,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:58,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a01191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58, skipping insertion in model container [2023-11-12 00:50:58,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:58,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:58,413 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:50:58,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:58,440 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:50:58,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58 WrapperNode [2023-11-12 00:50:58,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:58,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:58,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:50:58,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:50:58,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,471 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2023-11-12 00:50:58,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:58,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:50:58,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:50:58,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:50:58,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:50:58,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:50:58,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:50:58,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:50:58,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (1/1) ... [2023-11-12 00:50:58,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:58,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:58,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:50:58,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:50:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:50:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:50:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:50:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2023-11-12 00:50:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2023-11-12 00:50:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:50:58,659 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:50:58,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:50:58,769 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:50:58,810 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:50:58,810 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:50:58,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:58 BoogieIcfgContainer [2023-11-12 00:50:58,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:50:58,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:50:58,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:50:58,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:50:58,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:58" (1/3) ... [2023-11-12 00:50:58,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552f4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:58, skipping insertion in model container [2023-11-12 00:50:58,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:58" (2/3) ... [2023-11-12 00:50:58,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552f4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:58, skipping insertion in model container [2023-11-12 00:50:58,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:58" (3/3) ... [2023-11-12 00:50:58,823 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2023-11-12 00:50:58,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:50:58,847 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-12 00:50:58,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552f4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:50:58, skipping insertion in model container [2023-11-12 00:50:58,849 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:50:58,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:50:58,850 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:50:58,851 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:50:58,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:58" (3/3) ... [2023-11-12 00:50:58,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:50:58,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2023-11-12 00:50:58,863 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-12 00:50:58,863 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 00:50:58,863 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:50:58,864 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:50:58,950 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:50:58,950 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:50:58,951 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:50:58,953 INFO L158 Benchmark]: Toolchain (without parser) took 730.73ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 79.1MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 00:50:58,953 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:58,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.42ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 98.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:50:58,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.83ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:50:58,956 INFO L158 Benchmark]: Boogie Preprocessor took 20.40ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 96.2MB in the end (delta: 935.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:58,956 INFO L158 Benchmark]: RCFGBuilder took 320.32ms. Allocated memory is still 155.2MB. Free memory was 96.2MB in the beginning and 86.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:50:58,957 INFO L158 Benchmark]: TraceAbstraction took 33.01ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:50:58,958 INFO L158 Benchmark]: Witness Printer took 100.94ms. Allocated memory is still 155.2MB. Free memory was 82.9MB in the beginning and 79.1MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:50:58,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.42ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 98.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.83ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.40ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 96.2MB in the end (delta: 935.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.32ms. Allocated memory is still 155.2MB. Free memory was 96.2MB in the beginning and 86.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 33.01ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 100.94ms. Allocated memory is still 155.2MB. Free memory was 82.9MB in the beginning and 79.1MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. 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! [2023-11-12 00:50:58,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0088dec1-b4b9-4eb5-b8d1-f1af1516f7ac/bin/utaipan-verify-NcY6lQBIFX/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