./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC --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 64bit --witnessprinter.graph.data.programhash c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:29:27,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:29:27,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 23:29:27,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:29:27,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:29:27,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:29:27,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:29:27,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:29:27,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:29:27,615 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:29:27,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:29:27,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:29:27,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:29:27,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:29:27,617 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:29:27,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:29:27,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:29:27,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:29:27,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:29:27,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:29:27,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:29:27,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:29:27,620 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:29:27,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:29:27,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:29:27,620 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:29:27,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:29:27,621 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:29:27,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:29:27,621 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:29:27,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:29:27,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:29:27,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:29:27,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:29:27,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:29:27,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:29:27,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:29:27,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:29:27,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:29:27,624 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:29:27,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:29:27,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:29:27,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:29:27,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:29:27,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:29:27,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:29:27,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:29:27,625 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_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2024-11-23 23:29:27,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:29:27,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:29:27,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:29:27,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:29:27,995 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:29:27,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2024-11-23 23:29:31,599 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/data/cf2a5d77d/11e16b4d98dd44928f4bba538100d5ec/FLAG4fcaaa015 [2024-11-23 23:29:31,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:29:31,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2024-11-23 23:29:31,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/data/cf2a5d77d/11e16b4d98dd44928f4bba538100d5ec/FLAG4fcaaa015 [2024-11-23 23:29:32,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/data/cf2a5d77d/11e16b4d98dd44928f4bba538100d5ec [2024-11-23 23:29:32,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:29:32,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:29:32,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:29:32,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:29:32,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:29:32,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6f1cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32, skipping insertion in model container [2024-11-23 23:29:32,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:29:32,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:29:32,279 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:29:32,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:29:32,312 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:29:32,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32 WrapperNode [2024-11-23 23:29:32,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:29:32,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:29:32,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:29:32,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:29:32,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,359 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-23 23:29:32,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:29:32,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:29:32,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:29:32,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:29:32,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,374 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,382 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 23:29:32,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,385 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:29:32,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:29:32,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:29:32,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:29:32,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (1/1) ... [2024-11-23 23:29:32,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:29:32,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:29:32,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:29:32,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:29:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:29:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:29:32,573 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:29:32,576 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:29:32,646 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-23 23:29:32,646 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:29:32,658 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:29:32,658 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:29:32,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:32 BoogieIcfgContainer [2024-11-23 23:29:32,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:29:32,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:29:32,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:29:32,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:29:32,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:29:32" (1/3) ... [2024-11-23 23:29:32,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778b1f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:32, skipping insertion in model container [2024-11-23 23:29:32,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:32" (2/3) ... [2024-11-23 23:29:32,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778b1f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:32, skipping insertion in model container [2024-11-23 23:29:32,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:32" (3/3) ... [2024-11-23 23:29:32,673 INFO L128 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2024-11-23 23:29:32,696 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:29:32,698 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c that has 1 procedures, 9 locations, 1 initial locations, 1 loop locations, and 0 error locations. [2024-11-23 23:29:32,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778b1f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:29:32, skipping insertion in model container [2024-11-23 23:29:32,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:29:32,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:29:32,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:29:32,706 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:29:32,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:32" (3/3) ... [2024-11-23 23:29:32,711 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:29:32,720 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:29:32,720 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:29:32,722 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:29:32,826 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:29:32,826 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:29:32,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:29:32,832 INFO L158 Benchmark]: Toolchain (without parser) took 792.15ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 78.6MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:29:32,832 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:29:32,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.24ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 96.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:29:32,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.16ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:29:32,834 INFO L158 Benchmark]: Boogie Preprocessor took 39.45ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 93.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:29:32,834 INFO L158 Benchmark]: RCFGBuilder took 257.93ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 85.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:29:32,835 INFO L158 Benchmark]: TraceAbstraction took 38.44ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 82.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:29:32,837 INFO L158 Benchmark]: Witness Printer took 125.65ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 78.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:29:32,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.24ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 96.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.16ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.45ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 93.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 257.93ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 85.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 38.44ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 82.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 125.65ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 78.6MB in the end (delta: 4.2MB). There was no memory consumed. 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! [2024-11-23 23:29:32,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c408830b-b304-4f88-bc96-15cc8255c8c2/bin/uautomizer-verify-LYvppIcaGC/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