./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 a046e57d 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-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 14:01:47,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 14:01:47,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 14:01:47,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 14:01:47,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 14:01:47,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 14:01:47,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 14:01:47,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 14:01:47,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 14:01:47,222 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 14:01:47,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 14:01:47,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 14:01:47,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 14:01:47,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 14:01:47,226 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 14:01:47,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 14:01:47,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 14:01:47,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 14:01:47,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 14:01:47,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 14:01:47,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 14:01:47,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 14:01:47,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 14:01:47,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 14:01:47,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 14:01:47,233 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 14:01:47,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 14:01:47,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 14:01:47,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 14:01:47,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 14:01:47,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 14:01:47,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 14:01:47,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 14:01:47,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 14:01:47,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:01:47,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 14:01:47,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 14:01:47,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 14:01:47,237 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 14:01:47,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 14:01:47,237 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 14:01:47,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 14:01:47,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 14:01:47,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 14:01:47,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d0e6bdf4ddc5b5e0cadfb452142b6477bf8c78b59a2e6398c4f283004048468 [2024-10-13 14:01:47,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 14:01:47,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 14:01:47,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 14:01:47,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 14:01:47,514 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 14:01:47,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2024-10-13 14:01:48,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 14:01:49,124 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 14:01:49,125 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2024-10-13 14:01:49,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299f5bf5f/acb64b4f584b4f2fa00b358b18268e36/FLAG85dfa2d45 [2024-10-13 14:01:49,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299f5bf5f/acb64b4f584b4f2fa00b358b18268e36 [2024-10-13 14:01:49,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 14:01:49,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 14:01:49,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 14:01:49,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 14:01:49,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 14:01:49,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182393a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49, skipping insertion in model container [2024-10-13 14:01:49,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 14:01:49,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:01:49,411 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 14:01:49,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:01:49,461 INFO L204 MainTranslator]: Completed translation [2024-10-13 14:01:49,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49 WrapperNode [2024-10-13 14:01:49,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 14:01:49,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 14:01:49,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 14:01:49,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 14:01:49,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,503 INFO L138 Inliner]: procedures = 19, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-10-13 14:01:49,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 14:01:49,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 14:01:49,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 14:01:49,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 14:01:49,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,534 INFO L175 MemorySlicer]: Split 36 memory accesses to 6 slices as follows [2, 5, 7, 11, 7, 4]. 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, 2, 3, 3, 1]. [2024-10-13 14:01:49,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 14:01:49,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 14:01:49,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 14:01:49,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 14:01:49,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (1/1) ... [2024-10-13 14:01:49,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:01:49,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:01:49,590 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) [2024-10-13 14:01:49,593 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 [2024-10-13 14:01:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_37_0 [2024-10-13 14:01:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_37_0 [2024-10-13 14:01:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 14:01:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 14:01:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 14:01:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 14:01:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 14:01:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 14:01:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 14:01:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 14:01:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 14:01:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 14:01:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 14:01:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 14:01:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 14:01:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 14:01:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 14:01:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 14:01:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_46_0 [2024-10-13 14:01:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_46_0 [2024-10-13 14:01:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 14:01:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 14:01:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 14:01:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 14:01:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 14:01:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 14:01:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 14:01:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 14:01:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 14:01:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 14:01:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 14:01:49,774 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 14:01:49,778 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 14:01:50,032 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-13 14:01:50,034 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 14:01:50,068 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 14:01:50,068 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 14:01:50,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:01:50 BoogieIcfgContainer [2024-10-13 14:01:50,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 14:01:50,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 14:01:50,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 14:01:50,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 14:01:50,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:01:49" (1/3) ... [2024-10-13 14:01:50,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa80283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:01:50, skipping insertion in model container [2024-10-13 14:01:50,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:01:49" (2/3) ... [2024-10-13 14:01:50,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa80283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:01:50, skipping insertion in model container [2024-10-13 14:01:50,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:01:50" (3/3) ... [2024-10-13 14:01:50,081 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_divbin.i [2024-10-13 14:01:50,096 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 14:01:50,096 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-13 14:01:50,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa80283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 02:01:50, skipping insertion in model container [2024-10-13 14:01:50,098 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 14:01:50,098 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 14:01:50,098 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 14:01:50,099 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 14:01:50,099 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:01:50" (3/3) ... [2024-10-13 14:01:50,101 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 14:01:50,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_35_to_37_0 [2024-10-13 14:01:50,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_39_to_46_0 [2024-10-13 14:01:50,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 14:01:50,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-13 14:01:50,108 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-10-13 14:01:50,109 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-13 14:01:50,109 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 14:01:50,109 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 14:01:50,215 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 14:01:50,215 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 14:01:50,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 14:01:50,217 INFO L158 Benchmark]: Toolchain (without parser) took 1067.75ms. Allocated memory is still 167.8MB. Free memory was 138.8MB in the beginning and 98.9MB in the end (delta: 39.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-10-13 14:01:50,219 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 130.0MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:01:50,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.13ms. Allocated memory is still 167.8MB. Free memory was 138.6MB in the beginning and 129.9MB in the end (delta: 8.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-10-13 14:01:50,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.12ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 127.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:01:50,220 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 14:01:50,220 INFO L158 Benchmark]: RCFGBuilder took 513.70ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 107.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 14:01:50,221 INFO L158 Benchmark]: TraceAbstraction took 23.86ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 14:01:50,221 INFO L158 Benchmark]: Witness Printer took 116.85ms. Allocated memory is still 167.8MB. Free memory was 104.8MB in the beginning and 98.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 14:01:50,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17ms. Allocated memory is still 130.0MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.13ms. Allocated memory is still 167.8MB. Free memory was 138.6MB in the beginning and 129.9MB in the end (delta: 8.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.12ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 127.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.70ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 107.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 23.86ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 116.85ms. Allocated memory is still 167.8MB. Free memory was 104.8MB in the beginning and 98.9MB in the end (delta: 5.8MB). 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! [2024-10-13 14:01:50,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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