./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc91ced7bcccf661129c3f4bf0d427a9a72d34c82f3ff7a23345948320ae0e49 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:39:34,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:39:34,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 23:39:34,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:39:34,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:39:34,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:39:34,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:39:34,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:39:34,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:39:34,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:39:34,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:39:34,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:39:34,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:39:34,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:39:34,893 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:39:34,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:39:34,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:39:34,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:39:34,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:39:34,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:39:34,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:39:34,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:39:34,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:39:34,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:39:34,897 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:39:34,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:39:34,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:39:34,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:39:34,897 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:39:34,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:39:34,898 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:39:34,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:39:34,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:39:34,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:39:34,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:39:34,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:39:34,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:39:34,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:39:34,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:39:34,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:39:34,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:39:34,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:39:34,899 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:39:34,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:39:34,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:39:34,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:39:34,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:39:34,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:39:34,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:39:34,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:39:34,900 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> cc91ced7bcccf661129c3f4bf0d427a9a72d34c82f3ff7a23345948320ae0e49 [2024-11-23 23:39:35,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:39:35,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:39:35,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:39:35,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:39:35,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:39:35,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2024-11-23 23:39:38,157 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/data/c533f9208/7366e4dc9533428f80a7a1c5e15c95ab/FLAG40a23f4fe [2024-11-23 23:39:38,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:39:38,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2024-11-23 23:39:38,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/data/c533f9208/7366e4dc9533428f80a7a1c5e15c95ab/FLAG40a23f4fe [2024-11-23 23:39:38,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/data/c533f9208/7366e4dc9533428f80a7a1c5e15c95ab [2024-11-23 23:39:38,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:39:38,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:39:38,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:39:38,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:39:38,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:39:38,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36351e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38, skipping insertion in model container [2024-11-23 23:39:38,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:39:38,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:39:38,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:39:38,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:39:38,708 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:39:38,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38 WrapperNode [2024-11-23 23:39:38,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:39:38,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:39:38,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:39:38,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:39:38,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,750 INFO L138 Inliner]: procedures = 15, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-23 23:39:38,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:39:38,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:39:38,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:39:38,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:39:38,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,789 INFO L175 MemorySlicer]: Split 16 memory accesses to 4 slices as follows [2, 6, 4, 4]. 38 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 6, 1, 1]. The 2 writes are split as follows [0, 0, 1, 1]. [2024-11-23 23:39:38,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,801 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:39:38,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:39:38,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:39:38,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:39:38,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (1/1) ... [2024-11-23 23:39:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:39:38,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:39:38,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:39:38,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:39:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:39:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:39:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_18_0 [2024-11-23 23:39:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_18_0 [2024-11-23 23:39:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:39:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:39:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:39:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:39:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:39:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:39:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:39:38,965 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:39:38,967 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:39:39,093 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-23 23:39:39,093 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:39:39,108 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:39:39,108 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:39:39,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:39 BoogieIcfgContainer [2024-11-23 23:39:39,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:39:39,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:39:39,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:39:39,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:39:39,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:39:38" (1/3) ... [2024-11-23 23:39:39,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fdd3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:39:39, skipping insertion in model container [2024-11-23 23:39:39,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:38" (2/3) ... [2024-11-23 23:39:39,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fdd3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:39:39, skipping insertion in model container [2024-11-23 23:39:39,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:39" (3/3) ... [2024-11-23 23:39:39,119 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_eq2.c [2024-11-23 23:39:39,137 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:39:39,140 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_eq2.c that has 2 procedures, 16 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-23 23:39:39,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fdd3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:39:39, skipping insertion in model container [2024-11-23 23:39:39,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:39:39,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:39:39,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:39:39,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:39:39,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:39" (3/3) ... [2024-11-23 23:39:39,150 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:39:39,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_18_0 [2024-11-23 23:39:39,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-23 23:39:39,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 23:39:39,161 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:39:39,161 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:39:39,161 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:39:39,250 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:39:39,250 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:39:39,250 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:39:39,253 INFO L158 Benchmark]: Toolchain (without parser) took 772.93ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 62.4MB in the end (delta: 31.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 23:39:39,255 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:39:39,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.41ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:39:39,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.87ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:39:39,256 INFO L158 Benchmark]: Boogie Preprocessor took 57.77ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:39:39,256 INFO L158 Benchmark]: RCFGBuilder took 299.96ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 69.6MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:39:39,257 INFO L158 Benchmark]: TraceAbstraction took 32.30ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 66.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:39:39,257 INFO L158 Benchmark]: Witness Printer took 106.69ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 62.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:39:39,263 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.41ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.87ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.77ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 299.96ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 69.6MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 32.30ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 66.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.69ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 62.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. 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! [2024-11-23 23:39:39,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c59c6c04-f95e-4b1b-8926-e8cce5dffd37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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