./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd --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-826ab2b [2024-11-13 15:40:41,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:40:41,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:40:41,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:40:41,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:40:41,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:40:41,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:40:41,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:40:41,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:40:41,214 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:40:41,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:40:41,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:40:41,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:40:41,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:40:41,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:40:41,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:40:41,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:40:41,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:40:41,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:40:41,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:40:41,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:40:41,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:40:41,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:40:41,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:40:41,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:40:41,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:40:41,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:40:41,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:40:41,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:40:41,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:40:41,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:40:41,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:40:41,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:40:41,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:40:41,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:40:41,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:40:41,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:40:41,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:40:41,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:40:41,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:40:41,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:40:41,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:40:41,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:40:41,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:40:41,222 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_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd 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 [2024-11-13 15:40:41,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:40:41,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:40:41,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:40:41,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:40:41,685 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:40:41,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c Unable to find full path for "g++" [2024-11-13 15:40:44,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:40:44,432 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:40:44,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2024-11-13 15:40:44,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/data/10cf7e96c/0fb206d795314fc586f55c1e4e80721f/FLAGe3a1cdbc1 [2024-11-13 15:40:44,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/data/10cf7e96c/0fb206d795314fc586f55c1e4e80721f [2024-11-13 15:40:44,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:40:44,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:40:44,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:40:44,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:40:44,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:40:44,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ca13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44, skipping insertion in model container [2024-11-13 15:40:44,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:40:44,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:40:44,759 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:40:44,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:40:44,808 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:40:44,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44 WrapperNode [2024-11-13 15:40:44,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:40:44,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:40:44,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:40:44,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:40:44,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,856 INFO L138 Inliner]: procedures = 15, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 15:40:44,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:40:44,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:40:44,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:40:44,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:40:44,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,884 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]. [2024-11-13 15:40:44,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:40:44,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:40:44,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:40:44,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:40:44,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (1/1) ... [2024-11-13 15:40:44,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:40:44,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:40:44,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:40:44,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:40:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:40:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:40:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:40:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:40:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:40:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:40:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:40:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:40:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:40:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:40:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_18_0 [2024-11-13 15:40:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_18_0 [2024-11-13 15:40:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:40:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:40:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:40:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:40:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:40:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:40:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:40:45,126 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:40:45,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:40:45,288 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 15:40:45,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:40:45,306 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:40:45,306 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:40:45,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:45 BoogieIcfgContainer [2024-11-13 15:40:45,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:40:45,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:40:45,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:40:45,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:40:45,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:40:44" (1/3) ... [2024-11-13 15:40:45,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc9dcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:40:45, skipping insertion in model container [2024-11-13 15:40:45,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:44" (2/3) ... [2024-11-13 15:40:45,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc9dcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:40:45, skipping insertion in model container [2024-11-13 15:40:45,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:45" (3/3) ... [2024-11-13 15:40:45,319 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_eq2.c [2024-11-13 15:40:45,339 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:40:45,341 INFO L154 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. [2024-11-13 15:40:45,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc9dcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:40:45, skipping insertion in model container [2024-11-13 15:40:45,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:40:45,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:40:45,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:40:45,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:40:45,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:45" (3/3) ... [2024-11-13 15:40:45,348 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:40:45,353 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_18_0 [2024-11-13 15:40:45,359 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 15:40:45,359 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 15:40:45,359 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:40:45,359 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:40:45,359 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:40:45,453 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:40:45,453 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:40:45,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:40:45,456 INFO L158 Benchmark]: Toolchain (without parser) took 970.14ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.3MB in the beginning and 63.6MB in the end (delta: 56.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:40:45,459 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:40:45,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.90ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.0MB in the beginning and 84.4MB in the end (delta: 35.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:40:45,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.85ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:40:45,462 INFO L158 Benchmark]: Boogie Preprocessor took 39.55ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:40:45,465 INFO L158 Benchmark]: RCFGBuilder took 409.35ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 70.8MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:40:45,465 INFO L158 Benchmark]: TraceAbstraction took 32.70ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:40:45,466 INFO L158 Benchmark]: Witness Printer took 110.26ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 63.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:40:45,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.90ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.0MB in the beginning and 84.4MB in the end (delta: 35.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.85ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.55ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.35ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 70.8MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 32.70ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 110.26ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 63.6MB in the end (delta: 4.6MB). 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! [2024-11-13 15:40:45,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f561a20-38ec-417d-af42-889a683ab749/bin/uautomizer-verify-qhAvR1uOyd/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