./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/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 0.2.5-dev-4a390ef-m [2024-10-24 20:43:24,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:43:24,167 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:43:24,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:43:24,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:43:24,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:43:24,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:43:24,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:43:24,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:43:24,202 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:43:24,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:43:24,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:43:24,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:43:24,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:43:24,204 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:43:24,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:43:24,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:43:24,205 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:43:24,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:43:24,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:43:24,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:43:24,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:43:24,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:43:24,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:43:24,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:43:24,207 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:43:24,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:43:24,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:43:24,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:43:24,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:43:24,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:43:24,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:43:24,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:43:24,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:43:24,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:43:24,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:43:24,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:43:24,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:43:24,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:43:24,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:43:24,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:43:24,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:43:24,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:43:24,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:43:24,213 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d0e6bdf4ddc5b5e0cadfb452142b6477bf8c78b59a2e6398c4f283004048468 [2024-10-24 20:43:24,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:43:24,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:43:24,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:43:24,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:43:24,459 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:43:24,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2024-10-24 20:43:25,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:43:25,856 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:43:25,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2024-10-24 20:43:25,863 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b324ee224/54153a72f4444c56ad86c921b28efbf1/FLAG6c8976815 [2024-10-24 20:43:25,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b324ee224/54153a72f4444c56ad86c921b28efbf1 [2024-10-24 20:43:25,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:43:25,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:43:25,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:43:25,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:43:25,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:43:25,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:43:25" (1/1) ... [2024-10-24 20:43:25,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa6f396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:25, skipping insertion in model container [2024-10-24 20:43:25,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:43:25" (1/1) ... [2024-10-24 20:43:25,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:43:26,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:43:26,099 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:43:26,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:43:26,145 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:43:26,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26 WrapperNode [2024-10-24 20:43:26,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:43:26,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:43:26,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:43:26,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:43:26,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,175 INFO L138 Inliner]: procedures = 19, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-10-24 20:43:26,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:43:26,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:43:26,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:43:26,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:43:26,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,206 INFO L175 MemorySlicer]: Split 36 memory accesses to 6 slices as follows [2, 7, 4, 5, 7, 11]. 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, 3, 1, 1, 2, 3]. [2024-10-24 20:43:26,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:43:26,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:43:26,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:43:26,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:43:26,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (1/1) ... [2024-10-24 20:43:26,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:43:26,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:43:26,252 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) [2024-10-24 20:43:26,255 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 [2024-10-24 20:43:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_37_0 [2024-10-24 20:43:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_37_0 [2024-10-24 20:43:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:43:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 20:43:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 20:43:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:43:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 20:43:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 20:43:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 20:43:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 20:43:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_46_0 [2024-10-24 20:43:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_46_0 [2024-10-24 20:43:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:43:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:43:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 20:43:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 20:43:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 20:43:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 20:43:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 20:43:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 20:43:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:43:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:43:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 20:43:26,385 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:43:26,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:43:26,561 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-24 20:43:26,561 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:43:26,597 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:43:26,598 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 20:43:26,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:43:26 BoogieIcfgContainer [2024-10-24 20:43:26,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:43:26,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:43:26,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:43:26,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:43:26,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:43:25" (1/3) ... [2024-10-24 20:43:26,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c06761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:43:26, skipping insertion in model container [2024-10-24 20:43:26,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:43:26" (2/3) ... [2024-10-24 20:43:26,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c06761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:43:26, skipping insertion in model container [2024-10-24 20:43:26,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:43:26" (3/3) ... [2024-10-24 20:43:26,605 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_divbin.i [2024-10-24 20:43:26,621 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:43:26,621 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-24 20:43:26,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c06761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:43:26, skipping insertion in model container [2024-10-24 20:43:26,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 20:43:26,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 20:43:26,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 20:43:26,623 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 20:43:26,623 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:43:26" (3/3) ... [2024-10-24 20:43:26,625 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 20:43:26,628 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_35_to_37_0 [2024-10-24 20:43:26,628 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_39_to_46_0 [2024-10-24 20:43:26,628 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-24 20:43:26,628 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 20:43:26,632 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-10-24 20:43:26,633 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-24 20:43:26,633 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-24 20:43:26,633 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 20:43:26,711 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 20:43:26,711 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 20:43:26,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 20:43:26,713 INFO L158 Benchmark]: Toolchain (without parser) took 835.23ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 115.7MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:43:26,713 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 131.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:43:26,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.70ms. Allocated memory is still 176.2MB. Free memory was 101.7MB in the beginning and 147.5MB in the end (delta: -45.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-10-24 20:43:26,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.37ms. Allocated memory is still 176.2MB. Free memory was 147.5MB in the beginning and 145.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:43:26,714 INFO L158 Benchmark]: Boogie Preprocessor took 45.82ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:43:26,714 INFO L158 Benchmark]: RCFGBuilder took 375.90ms. Allocated memory is still 176.2MB. Free memory was 143.3MB in the beginning and 124.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 20:43:26,714 INFO L158 Benchmark]: TraceAbstraction took 22.44ms. Allocated memory is still 176.2MB. Free memory was 123.3MB in the beginning and 122.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:43:26,715 INFO L158 Benchmark]: Witness Printer took 88.74ms. Allocated memory is still 176.2MB. Free memory was 121.2MB in the beginning and 115.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 20:43:26,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 131.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.70ms. Allocated memory is still 176.2MB. Free memory was 101.7MB in the beginning and 147.5MB in the end (delta: -45.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.37ms. Allocated memory is still 176.2MB. Free memory was 147.5MB in the beginning and 145.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.82ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.90ms. Allocated memory is still 176.2MB. Free memory was 143.3MB in the beginning and 124.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 22.44ms. Allocated memory is still 176.2MB. Free memory was 123.3MB in the beginning and 122.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 88.74ms. Allocated memory is still 176.2MB. Free memory was 121.2MB in the beginning and 115.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. 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! [2024-10-24 20:43:26,735 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