./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 a0165632 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_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje --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-a016563 [2024-11-09 06:34:58,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:34:58,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 06:34:58,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:34:58,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:34:58,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:34:58,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:34:58,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:34:58,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:34:58,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:34:58,967 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:34:58,967 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:34:58,970 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:34:58,972 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:34:58,973 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:34:58,973 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:34:58,974 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:34:58,974 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:34:58,974 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:34:58,975 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:34:58,975 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:34:58,979 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:34:58,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:34:58,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:34:58,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:34:58,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:34:58,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:34:58,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:34:58,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:34:58,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:34:58,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:34:58,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:34:58,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:34:58,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:34:58,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:34:58,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:34:58,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:34:58,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:34:59,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:34:59,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:34:59,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:59,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:34:59,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:34:59,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:34:59,003 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:34:59,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:34:59,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:34:59,004 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:34:59,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:34:59,005 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_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae [2024-11-09 06:34:59,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:34:59,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:34:59,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:34:59,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:34:59,368 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:34:59,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c Unable to find full path for "g++" [2024-11-09 06:35:01,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:35:02,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:35:02,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c [2024-11-09 06:35:02,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/data/10cf55edc/0834563b5ba84576982e2a91cf7cbb5e/FLAG823335cb8 [2024-11-09 06:35:02,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/data/10cf55edc/0834563b5ba84576982e2a91cf7cbb5e [2024-11-09 06:35:02,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:35:02,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:35:02,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:35:02,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:35:02,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:35:02,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:02,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5178bb01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02, skipping insertion in model container [2024-11-09 06:35:02,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:02,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:35:02,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:35:02,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:35:02,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:35:02,982 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:35:02,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02 WrapperNode [2024-11-09 06:35:02,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:35:02,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:35:02,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:35:02,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:35:02,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,032 INFO L138 Inliner]: procedures = 15, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-09 06:35:03,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:35:03,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:35:03,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:35:03,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:35:03,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:35:03,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:35:03,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:35:03,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:35:03,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (1/1) ... [2024-11-09 06:35:03,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:35:03,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:35:03,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:35:03,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:35:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:35:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:35:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:35:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_20_0 [2024-11-09 06:35:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_20_0 [2024-11-09 06:35:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:35:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:35:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:35:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:35:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:35:03,294 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:35:03,297 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:35:03,533 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:35:03,534 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:35:03,642 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:35:03,643 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:35:03,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:35:03 BoogieIcfgContainer [2024-11-09 06:35:03,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:35:03,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:35:03,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:35:03,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:35:03,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:35:02" (1/3) ... [2024-11-09 06:35:03,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ba5c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:35:03, skipping insertion in model container [2024-11-09 06:35:03,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:35:02" (2/3) ... [2024-11-09 06:35:03,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ba5c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:35:03, skipping insertion in model container [2024-11-09 06:35:03,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:35:03" (3/3) ... [2024-11-09 06:35:03,656 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_eq1.c [2024-11-09 06:35:03,680 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:35:03,680 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-09 06:35:03,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ba5c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:35:03, skipping insertion in model container [2024-11-09 06:35:03,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:35:03,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:35:03,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:35:03,684 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:35:03,684 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:35:03" (3/3) ... [2024-11-09 06:35:03,688 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:35:03,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_20_0 [2024-11-09 06:35:03,700 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-09 06:35:03,700 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 06:35:03,701 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 06:35:03,701 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 06:35:03,702 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:35:03,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:35:03,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:35:03,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:35:03,854 INFO L158 Benchmark]: Toolchain (without parser) took 1269.93ms. Allocated memory is still 134.2MB. Free memory was 92.3MB in the beginning and 103.0MB in the end (delta: -10.7MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-09 06:35:03,854 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:35:03,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.98ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 79.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:35:03,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.97ms. Allocated memory is still 134.2MB. Free memory was 79.3MB in the beginning and 78.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:35:03,856 INFO L158 Benchmark]: Boogie Preprocessor took 30.80ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 76.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:35:03,857 INFO L158 Benchmark]: RCFGBuilder took 578.52ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 59.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:35:03,857 INFO L158 Benchmark]: TraceAbstraction took 35.11ms. Allocated memory is still 134.2MB. Free memory was 58.8MB in the beginning and 57.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:35:03,858 INFO L158 Benchmark]: Witness Printer took 168.85ms. Allocated memory is still 134.2MB. Free memory was 57.2MB in the beginning and 103.0MB in the end (delta: -45.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-09 06:35:03,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.98ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 79.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.97ms. Allocated memory is still 134.2MB. Free memory was 79.3MB in the beginning and 78.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.80ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 76.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.52ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 59.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 35.11ms. Allocated memory is still 134.2MB. Free memory was 58.8MB in the beginning and 57.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 168.85ms. Allocated memory is still 134.2MB. Free memory was 57.2MB in the beginning and 103.0MB in the end (delta: -45.8MB). Peak memory consumption was 12.1MB. 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! [2024-11-09 06:35:03,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b21f7-5050-41d4-aa0e-d5c7475c98bd/bin/utaipan-verify-YMUCfTKeje/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