./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB --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 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:45:57,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:45:57,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 02:45:57,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:45:57,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:45:57,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:45:57,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:45:57,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:45:57,346 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:45:57,347 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:45:57,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:45:57,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:45:57,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:45:57,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:45:57,347 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:45:57,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:45:57,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:45:57,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:45:57,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:45:57,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:45:57,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:45:57,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:45:57,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:45:57,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:45:57,349 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 02:45:57,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:45:57,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:45:57,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:45:57,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:45:57,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:45:57,350 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:45:57,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:45:57,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:45:57,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:45:57,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:45:57,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:45:57,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:45:57,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:45:57,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:45:57,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:45:57,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:45:57,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:45:57,352 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:45:57,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:45:57,352 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:45:57,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:45:57,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:45:57,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:45:57,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:45:57,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:45:57,353 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_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 [2024-11-28 02:45:57,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:45:57,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:45:57,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:45:57,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:45:57,679 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:45:57,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-11-28 02:46:00,562 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/data/035da338e/249be4306f5343fab7dd4766bf5f5cbe/FLAG9fc48cf41 [2024-11-28 02:46:00,830 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:46:00,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-11-28 02:46:00,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/data/035da338e/249be4306f5343fab7dd4766bf5f5cbe/FLAG9fc48cf41 [2024-11-28 02:46:00,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/data/035da338e/249be4306f5343fab7dd4766bf5f5cbe [2024-11-28 02:46:00,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:46:00,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:46:00,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:00,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:46:00,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:46:00,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:00" (1/1) ... [2024-11-28 02:46:00,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bf707b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:00, skipping insertion in model container [2024-11-28 02:46:00,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:00" (1/1) ... [2024-11-28 02:46:00,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:46:01,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:01,113 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:46:01,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:01,165 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:46:01,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01 WrapperNode [2024-11-28 02:46:01,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:01,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:01,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:46:01,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:46:01,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,207 INFO L138 Inliner]: procedures = 17, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-28 02:46:01,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:01,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:46:01,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:46:01,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:46:01,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,254 INFO L175 MemorySlicer]: Split 49 memory accesses to 7 slices as follows [2, 12, 5, 6, 7, 8, 9]. 24 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 12 writes are split as follows [0, 3, 1, 2, 1, 2, 3]. [2024-11-28 02:46:01,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,262 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:46:01,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:46:01,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:46:01,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:46:01,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (1/1) ... [2024-11-28 02:46:01,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:01,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:01,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:01,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-11-28 02:46:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-11-28 02:46:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:46:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-11-28 02:46:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-11-28 02:46:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:46:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:46:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:46:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:46:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:46:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:46:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:46:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:46:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:46:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:46:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:46:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:46:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:46:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:46:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:46:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:46:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 02:46:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 02:46:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:46:01,489 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:46:01,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:46:01,772 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 02:46:01,772 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:46:01,783 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:46:01,783 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:46:01,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:01 BoogieIcfgContainer [2024-11-28 02:46:01,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:46:01,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:46:01,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:46:01,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:46:01,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:00" (1/3) ... [2024-11-28 02:46:01,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a111b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:01, skipping insertion in model container [2024-11-28 02:46:01,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:01" (2/3) ... [2024-11-28 02:46:01,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a111b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:01, skipping insertion in model container [2024-11-28 02:46:01,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:01" (3/3) ... [2024-11-28 02:46:01,797 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_hard-u.c [2024-11-28 02:46:01,815 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:46:01,816 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_hard-u.c that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-28 02:46:01,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a111b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:46:01, skipping insertion in model container [2024-11-28 02:46:01,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:46:01,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:46:01,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:46:01,820 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:46:01,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:01" (3/3) ... [2024-11-28 02:46:01,826 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:46:01,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_31_to_38_0 [2024-11-28 02:46:01,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 02:46:01,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_41_to_51_0 [2024-11-28 02:46:01,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-28 02:46:01,838 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-28 02:46:01,839 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:46:01,839 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:46:01,952 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:46:01,953 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:46:01,953 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:46:01,955 INFO L158 Benchmark]: Toolchain (without parser) took 1083.48ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 52.2MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 02:46:01,957 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:01,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.82ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:01,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.62ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:01,958 INFO L158 Benchmark]: Boogie Preprocessor took 71.49ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:01,958 INFO L158 Benchmark]: RCFGBuilder took 503.03ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 60.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:46:01,959 INFO L158 Benchmark]: TraceAbstraction took 30.65ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 57.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:01,959 INFO L158 Benchmark]: Witness Printer took 133.13ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 52.2MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:01,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.82ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.62ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.49ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 503.03ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 60.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 30.65ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 57.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 133.13ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 52.2MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-28 02:46:01,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d5c71c-d651-41b2-9b86-560ed134b10b/bin/uautomizer-verify-aQ6SnzHsRB/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