./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.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_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/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_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/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_aad5b8a2-1bf4-4489-85b3-2347ba328070/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 ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:42:34,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:42:34,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:42:34,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:42:34,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:42:34,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:42:34,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:42:34,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:42:34,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:42:34,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:42:34,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:42:34,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:42:34,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:42:34,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:42:34,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:42:34,373 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:42:34,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:42:34,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:34,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:42:34,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:42:34,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:42:34,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:42:34,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:34,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:42:34,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:42:34,374 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:42:34,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:42:34,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:42:34,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:42:34,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:42:34,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:42:34,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:42:34,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:42:34,377 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_aad5b8a2-1bf4-4489-85b3-2347ba328070/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 -> ccc7a7f0e01a15625c463b7f9ff86edec643fb5abfd6d827cfe7837ab94b8fae [2024-11-28 04:42:34,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:42:34,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:42:34,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:42:34,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:42:34,821 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:42:34,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c [2024-11-28 04:42:38,447 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/data/1f7ced3cd/45cbfe3ec10441ac8d4a249be9fa39da/FLAGc83391d5f [2024-11-28 04:42:38,801 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:42:38,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/sv-benchmarks/c/recursified_loop-invariants/recursified_eq1.c [2024-11-28 04:42:38,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/data/1f7ced3cd/45cbfe3ec10441ac8d4a249be9fa39da/FLAGc83391d5f [2024-11-28 04:42:38,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/data/1f7ced3cd/45cbfe3ec10441ac8d4a249be9fa39da [2024-11-28 04:42:38,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:42:38,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:42:38,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:42:38,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:42:38,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:42:38,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:38" (1/1) ... [2024-11-28 04:42:38,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c87bb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:38, skipping insertion in model container [2024-11-28 04:42:38,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:38" (1/1) ... [2024-11-28 04:42:38,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:42:39,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:42:39,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:42:39,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:42:39,149 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:42:39,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39 WrapperNode [2024-11-28 04:42:39,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:42:39,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:42:39,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:42:39,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:42:39,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,204 INFO L138 Inliner]: procedures = 15, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-28 04:42:39,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:42:39,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:42:39,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:42:39,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:42:39,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,254 INFO L175 MemorySlicer]: Split 26 memory accesses to 6 slices as follows [2, 6, 4, 5, 4, 5]. 23 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 6, 1, 1, 1, 1]. The 4 writes are split as follows [0, 0, 1, 1, 1, 1]. [2024-11-28 04:42:39,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,269 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:42:39,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:42:39,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:42:39,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:42:39,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (1/1) ... [2024-11-28 04:42:39,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:42:39,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:42:39,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:42:39,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:42:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:42:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:42:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:42:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:42:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:42:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:42:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:42:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:42:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_20_0 [2024-11-28 04:42:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_20_0 [2024-11-28 04:42:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:42:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:42:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:42:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:42:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:42:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:42:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:42:39,532 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:42:39,535 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:42:39,791 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 04:42:39,791 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:42:39,807 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:42:39,807 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:42:39,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:39 BoogieIcfgContainer [2024-11-28 04:42:39,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:42:39,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:42:39,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:42:39,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:42:39,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:38" (1/3) ... [2024-11-28 04:42:39,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eb95fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:39, skipping insertion in model container [2024-11-28 04:42:39,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:39" (2/3) ... [2024-11-28 04:42:39,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eb95fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:39, skipping insertion in model container [2024-11-28 04:42:39,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:39" (3/3) ... [2024-11-28 04:42:39,829 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_eq1.c [2024-11-28 04:42:39,852 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:42:39,856 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_eq1.c that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-28 04:42:39,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eb95fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:42:39, skipping insertion in model container [2024-11-28 04:42:39,857 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:42:39,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:42:39,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:42:39,860 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:42:39,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:39" (3/3) ... [2024-11-28 04:42:39,866 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:42:39,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_20_0 [2024-11-28 04:42:39,876 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-28 04:42:39,876 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 04:42:39,878 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:42:39,878 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:42:39,878 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:42:40,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:42:40,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:42:40,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:42:40,003 INFO L158 Benchmark]: Toolchain (without parser) took 1153.98ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 59.3MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:42:40,004 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:42:40,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:42:40,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:42:40,005 INFO L158 Benchmark]: Boogie Preprocessor took 74.53ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:42:40,005 INFO L158 Benchmark]: RCFGBuilder took 527.17ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 66.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:42:40,006 INFO L158 Benchmark]: TraceAbstraction took 44.21ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 64.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:42:40,006 INFO L158 Benchmark]: Witness Printer took 143.10ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 59.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:42:40,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.53ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 527.17ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 66.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 44.21ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 64.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 143.10ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 59.3MB in the end (delta: 4.8MB). 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 04:42:40,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad5b8a2-1bf4-4489-85b3-2347ba328070/bin/uautomizer-verify-aQ6SnzHsRB/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