./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2 --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 ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:25:51,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:25:52,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-02 12:25:52,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:25:52,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:25:52,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:25:52,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:25:52,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:25:52,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:25:52,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:25:52,076 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:25:52,077 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:25:52,078 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:25:52,080 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:25:52,081 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:25:52,081 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:25:52,082 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:25:52,082 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:25:52,083 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:25:52,083 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:25:52,087 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:25:52,088 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:25:52,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:25:52,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:25:52,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:25:52,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:25:52,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:25:52,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:25:52,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:25:52,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:25:52,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:25:52,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:25:52,093 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:25:52,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:25:52,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:25:52,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:25:52,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:25:52,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:25:52,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:25:52,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:25:52,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:52,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:25:52,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:25:52,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:25:52,097 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:25:52,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:25:52,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:25:52,098 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:25:52,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:25:52,098 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_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae [2024-11-02 12:25:52,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:25:52,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:25:52,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:25:52,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:25:52,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:25:52,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c Unable to find full path for "g++" [2024-11-02 12:25:54,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:25:54,642 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:25:54,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c [2024-11-02 12:25:54,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/data/733df87ee/04b77442b66940a899271505fa549ba8/FLAG159d38628 [2024-11-02 12:25:55,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/data/733df87ee/04b77442b66940a899271505fa549ba8 [2024-11-02 12:25:55,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:25:55,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:25:55,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:55,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:25:55,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:25:55,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cb03b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55, skipping insertion in model container [2024-11-02 12:25:55,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:25:55,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:55,320 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:25:55,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:55,363 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:25:55,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55 WrapperNode [2024-11-02 12:25:55,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:55,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:55,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:25:55,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:25:55,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,419 INFO L138 Inliner]: procedures = 15, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-02 12:25:55,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:55,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:25:55,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:25:55,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:25:55,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:25:55,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:25:55,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:25:55,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:25:55,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:55,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:25:55,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:25:55,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:25:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:25:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:25:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:25:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_20_0 [2024-11-02 12:25:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_20_0 [2024-11-02 12:25:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:25:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:25:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:25:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:25:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:25:55,679 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:25:55,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:25:55,950 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:25:55,951 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:25:56,075 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:25:56,076 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:25:56,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:56 BoogieIcfgContainer [2024-11-02 12:25:56,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:25:56,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:25:56,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:25:56,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:25:56,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:25:55" (1/3) ... [2024-11-02 12:25:56,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f73748b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:56, skipping insertion in model container [2024-11-02 12:25:56,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55" (2/3) ... [2024-11-02 12:25:56,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f73748b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:56, skipping insertion in model container [2024-11-02 12:25:56,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:56" (3/3) ... [2024-11-02 12:25:56,092 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_eq1.c [2024-11-02 12:25:56,112 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:25:56,112 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-02 12:25:56,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f73748b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:25:56, skipping insertion in model container [2024-11-02 12:25:56,114 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:25:56,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:25:56,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:25:56,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:25:56,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:56" (3/3) ... [2024-11-02 12:25:56,123 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:25:56,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_20_0 [2024-11-02 12:25:56,135 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-02 12:25:56,136 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-02 12:25:56,136 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-02 12:25:56,137 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 12:25:56,137 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 12:25:56,301 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:25:56,306 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:25:56,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:25:56,308 INFO L158 Benchmark]: Toolchain (without parser) took 1271.04ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 131.2MB in the end (delta: -3.3MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2024-11-02 12:25:56,308 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 80.2MB in the beginning and 80.2MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:25:56,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.60ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 115.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:25:56,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.45ms. Allocated memory is still 163.6MB. Free memory was 115.8MB in the beginning and 114.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:56,314 INFO L158 Benchmark]: Boogie Preprocessor took 40.44ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 112.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:56,315 INFO L158 Benchmark]: RCFGBuilder took 612.81ms. Allocated memory is still 163.6MB. Free memory was 112.7MB in the beginning and 95.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:25:56,315 INFO L158 Benchmark]: TraceAbstraction took 35.01ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:56,316 INFO L158 Benchmark]: Witness Printer took 190.51ms. Allocated memory is still 163.6MB. Free memory was 93.1MB in the beginning and 131.2MB in the end (delta: -38.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-02 12:25:56,320 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 113.2MB. Free memory was 80.2MB in the beginning and 80.2MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.60ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 115.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.45ms. Allocated memory is still 163.6MB. Free memory was 115.8MB in the beginning and 114.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.44ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 112.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.81ms. Allocated memory is still 163.6MB. Free memory was 112.7MB in the beginning and 95.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 35.01ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 190.51ms. Allocated memory is still 163.6MB. Free memory was 93.1MB in the beginning and 131.2MB in the end (delta: -38.1MB). Peak memory consumption was 7.2MB. 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! [2024-11-02 12:25:56,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18c7eda-957b-4196-8916-a8264094418b/bin/utaipan-verify-DbMuA5NWw2/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