./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 8d0e6bdf4ddc5b5e0cadfb452142b6477bf8c78b59a2e6398c4f283004048468 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:44:22,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:44:22,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:44:22,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:44:22,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:44:22,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:44:22,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:44:22,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:44:22,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:44:22,741 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:44:22,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:44:22,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:44:22,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:44:22,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:44:22,742 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:44:22,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:44:22,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:44:22,742 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:44:22,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:44:22,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:44:22,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:44:22,743 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:44:22,743 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:44:22,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:44:22,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:44:22,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:44:22,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:44:22,746 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 8d0e6bdf4ddc5b5e0cadfb452142b6477bf8c78b59a2e6398c4f283004048468 [2025-03-09 02:44:22,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:44:22,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:44:22,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:44:23,000 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:44:23,001 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:44:23,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2025-03-09 02:44:24,127 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66da8bbc5/d26618e926984061a0e5c630a9cc06a2/FLAGfc6469ce1 [2025-03-09 02:44:24,322 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:44:24,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2025-03-09 02:44:24,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66da8bbc5/d26618e926984061a0e5c630a9cc06a2/FLAGfc6469ce1 [2025-03-09 02:44:24,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66da8bbc5/d26618e926984061a0e5c630a9cc06a2 [2025-03-09 02:44:24,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:44:24,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:44:24,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:44:24,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:44:24,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:44:24,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5e8172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24, skipping insertion in model container [2025-03-09 02:44:24,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,712 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:44:24,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:44:24,827 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:44:24,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:44:24,859 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:44:24,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24 WrapperNode [2025-03-09 02:44:24,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:44:24,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:44:24,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:44:24,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:44:24,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,885 INFO L138 Inliner]: procedures = 19, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2025-03-09 02:44:24,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:44:24,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:44:24,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:44:24,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:44:24,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,912 INFO L175 MemorySlicer]: Split 36 memory accesses to 6 slices as follows [2, 5, 4, 7, 11, 7]. 31 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 1, 3, 3, 2]. [2025-03-09 02:44:24,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,922 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:44:24,929 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:44:24,929 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:44:24,929 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:44:24,930 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (1/1) ... [2025-03-09 02:44:24,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:44:24,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:44:24,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 02:44:24,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 02:44:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_37_0 [2025-03-09 02:44:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_37_0 [2025-03-09 02:44:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:44:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 02:44:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 02:44:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:44:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 02:44:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 02:44:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-09 02:44:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-09 02:44:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_46_0 [2025-03-09 02:44:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_46_0 [2025-03-09 02:44:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:44:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:44:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 02:44:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 02:44:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 02:44:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-09 02:44:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-09 02:44:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-09 02:44:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:44:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:44:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 02:44:25,050 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:44:25,052 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:44:25,183 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset;call ULTIMATE.dealloc(main_~#q~0#1.base, main_~#q~0#1.offset);havoc main_~#q~0#1.base, main_~#q~0#1.offset;call ULTIMATE.dealloc(main_~#r~0#1.base, main_~#r~0#1.offset);havoc main_~#r~0#1.base, main_~#r~0#1.offset;call ULTIMATE.dealloc(main_~#b~0#1.base, main_~#b~0#1.offset);havoc main_~#b~0#1.base, main_~#b~0#1.offset; [2025-03-09 02:44:25,203 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-03-09 02:44:25,203 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:44:25,209 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:44:25,210 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:44:25,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:44:25 BoogieIcfgContainer [2025-03-09 02:44:25,210 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:44:25,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:44:25,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:44:25,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:44:25,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:44:24" (1/3) ... [2025-03-09 02:44:25,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475daf48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:44:25, skipping insertion in model container [2025-03-09 02:44:25,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:44:24" (2/3) ... [2025-03-09 02:44:25,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475daf48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:44:25, skipping insertion in model container [2025-03-09 02:44:25,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:44:25" (3/3) ... [2025-03-09 02:44:25,221 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_divbin.i [2025-03-09 02:44:25,230 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:44:25,232 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_divbin.i that has 5 procedures, 40 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2025-03-09 02:44:25,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475daf48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 02:44:25, skipping insertion in model container [2025-03-09 02:44:25,233 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 02:44:25,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 02:44:25,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 02:44:25,233 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 02:44:25,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:44:25" (3/3) ... [2025-03-09 02:44:25,236 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 02:44:25,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_35_to_37_0 [2025-03-09 02:44:25,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_39_to_46_0 [2025-03-09 02:44:25,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-09 02:44:25,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-03-09 02:44:25,243 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2025-03-09 02:44:25,243 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-09 02:44:25,244 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 02:44:25,244 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 02:44:25,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 02:44:25,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 02:44:25,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 02:44:25,303 INFO L158 Benchmark]: Toolchain (without parser) took 609.65ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 94.3MB in the end (delta: 39.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-09 02:44:25,303 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:44:25,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.39ms. Allocated memory is still 167.8MB. Free memory was 133.4MB in the beginning and 122.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:44:25,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.73ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 121.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:44:25,303 INFO L158 Benchmark]: Boogie Preprocessor took 41.80ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 119.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:44:25,304 INFO L158 Benchmark]: IcfgBuilder took 281.22ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 103.2MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:44:25,304 INFO L158 Benchmark]: TraceAbstraction took 21.08ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 100.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:44:25,304 INFO L158 Benchmark]: Witness Printer took 68.03ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 94.3MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:44:25,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.39ms. Allocated memory is still 167.8MB. Free memory was 133.4MB in the beginning and 122.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.73ms. Allocated memory is still 167.8MB. Free memory was 122.3MB in the beginning and 121.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.80ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 119.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 281.22ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 103.2MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21.08ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 100.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.03ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 94.3MB in the end (delta: 6.5MB). 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! [2025-03-09 02:44:25,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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