./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E --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 07d2bb25a1c8c4ef92611e8b25e211f661495bf054d1380ec62ffea892b45c2f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:22:07,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:22:07,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 05:22:07,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:22:07,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:22:07,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:22:07,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:22:07,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:22:07,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:22:07,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:22:07,596 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:22:07,596 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:22:07,597 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:22:07,597 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:22:07,598 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:22:07,599 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:22:07,599 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:22:07,599 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:22:07,599 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:22:07,599 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:22:07,599 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:22:07,600 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:22:07,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:22:07,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:22:07,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:22:07,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:22:07,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:22:07,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:22:07,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:22:07,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:22:07,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:22:07,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:22:07,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:22:07,603 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:22:07,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:22:07,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:22:07,604 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:22:07,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:22:07,604 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E 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 -> 07d2bb25a1c8c4ef92611e8b25e211f661495bf054d1380ec62ffea892b45c2f [2024-11-14 05:22:07,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:22:08,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:22:08,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:22:08,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:22:08,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:22:08,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i Unable to find full path for "g++" [2024-11-14 05:22:10,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:22:10,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:22:10,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i [2024-11-14 05:22:10,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/data/392239f7f/f8db886335ed4b64b663cff58db60819/FLAG11bfc1cf0 [2024-11-14 05:22:10,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/data/392239f7f/f8db886335ed4b64b663cff58db60819 [2024-11-14 05:22:10,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:22:10,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:22:10,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:22:10,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:22:10,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:22:10,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d024d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10, skipping insertion in model container [2024-11-14 05:22:10,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:22:10,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:22:10,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:22:10,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:22:10,883 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:22:10,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10 WrapperNode [2024-11-14 05:22:10,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:22:10,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:22:10,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:22:10,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:22:10,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,933 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-14 05:22:10,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:22:10,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:22:10,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:22:10,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:22:10,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:22:10,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:22:10,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:22:10,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:22:10,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (1/1) ... [2024-11-14 05:22:10,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:22:11,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:22:11,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:22:11,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:22:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:22:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_35_0 [2024-11-14 05:22:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_35_0 [2024-11-14 05:22:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:22:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:22:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:22:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_37_to_44_0 [2024-11-14 05:22:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_37_to_44_0 [2024-11-14 05:22:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:22:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:22:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:22:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 05:22:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 05:22:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:22:11,223 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:22:11,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:22:11,522 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 05:22:11,522 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:22:11,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:22:11,604 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 05:22:11,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:22:11 BoogieIcfgContainer [2024-11-14 05:22:11,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:22:11,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:22:11,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:22:11,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:22:11,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:22:10" (1/3) ... [2024-11-14 05:22:11,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c5c96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:22:11, skipping insertion in model container [2024-11-14 05:22:11,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:10" (2/3) ... [2024-11-14 05:22:11,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c5c96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:22:11, skipping insertion in model container [2024-11-14 05:22:11,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:22:11" (3/3) ... [2024-11-14 05:22:11,619 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_divbin2.i [2024-11-14 05:22:11,639 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:22:11,641 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_divbin2.i that has 4 procedures, 23 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-14 05:22:11,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c5c96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:22:11, skipping insertion in model container [2024-11-14 05:22:11,643 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:22:11,644 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:22:11,644 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:22:11,645 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:22:11,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:22:11" (3/3) ... [2024-11-14 05:22:11,649 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:22:11,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_37_to_44_0 [2024-11-14 05:22:11,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_33_to_35_0 [2024-11-14 05:22:11,658 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-14 05:22:11,664 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-14 05:22:11,664 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-14 05:22:11,664 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 05:22:11,665 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:22:11,769 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:22:11,769 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:22:11,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:22:11,771 INFO L158 Benchmark]: Toolchain (without parser) took 1171.49ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 53.8MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:22:11,772 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:22:11,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.38ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:22:11,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.40ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:22:11,773 INFO L158 Benchmark]: Boogie Preprocessor took 42.50ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.6MB in the end (delta: 675.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:22:11,774 INFO L158 Benchmark]: RCFGBuilder took 626.83ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 61.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:22:11,774 INFO L158 Benchmark]: TraceAbstraction took 35.19ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 58.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:22:11,774 INFO L158 Benchmark]: Witness Printer took 124.98ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 53.8MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:22:11,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.38ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.40ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.50ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.6MB in the end (delta: 675.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 626.83ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 61.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 35.19ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 58.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.98ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 53.8MB in the end (delta: 5.0MB). There was no memory consumed. 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! [2024-11-14 05:22:11,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f64c0-d2b3-4199-a528-acddecc38255/bin/utaipan-verify-sOmjnqqW8E/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