./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_odd.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_odd.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire --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 ffea1692e410b7d3050e071f36dd949061a309155c1ef5932cf0b967218f65ca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:54,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:54,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:08:54,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:54,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:54,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:54,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:54,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:54,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:54,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:54,417 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:54,418 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:54,419 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:54,420 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:08:54,421 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:54,421 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:54,422 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:08:54,422 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:08:54,423 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:54,424 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:08:54,424 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:08:54,425 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:08:54,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:54,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:08:54,427 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:54,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:08:54,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:54,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:54,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:08:54,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:54,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:08:54,431 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:08:54,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:08:54,432 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:54,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:08:54,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:54,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:54,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:54,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:54,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:54,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:54,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:54,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:08:54,435 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:08:54,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:08:54,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:54,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:08:54,436 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:54,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:54,436 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_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffea1692e410b7d3050e071f36dd949061a309155c1ef5932cf0b967218f65ca [2023-11-23 21:08:54,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:54,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:54,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:54,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:54,771 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:54,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/recursified_loop-invariants/recursified_odd.c [2023-11-23 21:08:57,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:58,070 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:58,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/sv-benchmarks/c/recursified_loop-invariants/recursified_odd.c [2023-11-23 21:08:58,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/data/409c4d5d1/9f69415428b9465b894a7864c3eda77a/FLAGe2ecf14d2 [2023-11-23 21:08:58,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/data/409c4d5d1/9f69415428b9465b894a7864c3eda77a [2023-11-23 21:08:58,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:58,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:58,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:58,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:58,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:58,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363299db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58, skipping insertion in model container [2023-11-23 21:08:58,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:58,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:58,363 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:08:58,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:58,403 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:08:58,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58 WrapperNode [2023-11-23 21:08:58,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:58,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:58,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:08:58,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:08:58,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,447 INFO L138 Inliner]: procedures = 15, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-23 21:08:58,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:58,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:08:58,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:08:58,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:08:58,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:08:58,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:08:58,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:08:58,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:08:58,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (1/1) ... [2023-11-23 21:08:58,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:58,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:58,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:08:58,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:08:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:08:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2023-11-23 21:08:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2023-11-23 21:08:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:08:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:08:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:08:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:08:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:08:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:08:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:08:58,665 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:08:58,667 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:08:58,794 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:08:58,841 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:08:58,843 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:08:58,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:58 BoogieIcfgContainer [2023-11-23 21:08:58,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:08:58,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:08:58,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:08:58,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:08:58,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:58" (1/3) ... [2023-11-23 21:08:58,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee6e72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:58, skipping insertion in model container [2023-11-23 21:08:58,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:58" (2/3) ... [2023-11-23 21:08:58,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee6e72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:58, skipping insertion in model container [2023-11-23 21:08:58,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:58" (3/3) ... [2023-11-23 21:08:58,860 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_odd.c [2023-11-23 21:08:58,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:08:58,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 21:08:58,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee6e72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:08:58, skipping insertion in model container [2023-11-23 21:08:58,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:08:58,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:08:58,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:08:58,886 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:08:58,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:58" (3/3) ... [2023-11-23 21:08:58,890 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:08:58,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_14_0 [2023-11-23 21:08:58,901 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-23 21:08:58,902 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-23 21:08:58,903 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:08:58,903 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:08:58,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:08:59,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:08:59,030 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:08:59,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:08:59,032 INFO L158 Benchmark]: Toolchain (without parser) took 927.21ms. Allocated memory is still 146.8MB. Free memory was 102.3MB in the beginning and 118.0MB in the end (delta: -15.7MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-23 21:08:59,033 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:08:59,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.16ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 92.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:08:59,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.35ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:08:59,035 INFO L158 Benchmark]: Boogie Preprocessor took 42.88ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:08:59,035 INFO L158 Benchmark]: RCFGBuilder took 355.98ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 78.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:08:59,036 INFO L158 Benchmark]: TraceAbstraction took 33.56ms. Allocated memory is still 146.8MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:08:59,036 INFO L158 Benchmark]: Witness Printer took 144.86ms. Allocated memory is still 146.8MB. Free memory was 75.5MB in the beginning and 118.0MB in the end (delta: -42.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-23 21:08:59,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.16ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 92.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.35ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.88ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.98ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 78.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 33.56ms. Allocated memory is still 146.8MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 144.86ms. Allocated memory is still 146.8MB. Free memory was 75.5MB in the beginning and 118.0MB in the end (delta: -42.5MB). Peak memory consumption was 6.9MB. 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! [2023-11-23 21:08:59,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816741da-99e3-4b7f-9169-ea4dd5def185/bin/utaipan-verify-mE87zJ7Ire/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