./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx --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 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:30,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:31,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:11:31,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:31,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:31,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:31,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:31,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:31,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:31,050 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:31,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:11:31,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:11:31,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:31,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:31,053 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:31,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:31,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:11:31,055 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:11:31,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:31,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:11:31,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:31,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:11:31,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:11:31,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:11:31,059 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:11:31,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:11:31,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:11:31,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:31,061 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:31,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:31,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:31,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:11:31,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:11:31,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:31,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:31,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:11:31,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:11:31,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:31,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:11:31,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:11:31,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:11:31,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:11:31,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:11:31,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:11:31,069 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 [2023-11-21 22:11:31,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:31,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:31,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:31,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:31,394 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:31,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2023-11-21 22:11:34,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:34,778 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:34,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2023-11-21 22:11:34,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/data/dabc9c645/42c7a410ff004f4880ed3c98c5c5eb55/FLAG509936196 [2023-11-21 22:11:34,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/data/dabc9c645/42c7a410ff004f4880ed3c98c5c5eb55 [2023-11-21 22:11:34,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:34,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:34,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:34,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:34,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:34,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:34" (1/1) ... [2023-11-21 22:11:34,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577c2ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:34, skipping insertion in model container [2023-11-21 22:11:34,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:34" (1/1) ... [2023-11-21 22:11:34,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:34,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:34,997 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:35,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:35,023 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:35,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35 WrapperNode [2023-11-21 22:11:35,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:35,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:35,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:35,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:35,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,064 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2023-11-21 22:11:35,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:35,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:35,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:35,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:35,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,080 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,089 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:11:35,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:35,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:35,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:35,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:35,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (1/1) ... [2023-11-21 22:11:35,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:35,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:35,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:35,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:11:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2023-11-21 22:11:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2023-11-21 22:11:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:11:35,272 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:35,274 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:11:35,378 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:11:35,431 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:11:35,431 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:11:35,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:35 BoogieIcfgContainer [2023-11-21 22:11:35,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:11:35,452 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:11:35,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:11:35,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:11:35,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:11:34" (1/3) ... [2023-11-21 22:11:35,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584af892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:35, skipping insertion in model container [2023-11-21 22:11:35,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:35" (2/3) ... [2023-11-21 22:11:35,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584af892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:35, skipping insertion in model container [2023-11-21 22:11:35,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:35" (3/3) ... [2023-11-21 22:11:35,467 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2023-11-21 22:11:35,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:11:35,498 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-21 22:11:35,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584af892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:11:35, skipping insertion in model container [2023-11-21 22:11:35,499 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:11:35,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:11:35,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:11:35,501 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:11:35,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:35" (3/3) ... [2023-11-21 22:11:35,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:11:35,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2023-11-21 22:11:35,518 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-21 22:11:35,522 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 22:11:35,522 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:11:35,523 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:11:35,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:11:35,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:11:35,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:11:35,614 INFO L158 Benchmark]: Toolchain (without parser) took 805.87ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 80.8MB in the beginning and 124.0MB in the end (delta: -43.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:11:35,614 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:11:35,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.87ms. Allocated memory is still 125.8MB. Free memory was 80.8MB in the beginning and 70.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:11:35,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.26ms. Allocated memory is still 125.8MB. Free memory was 70.8MB in the beginning and 69.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:35,617 INFO L158 Benchmark]: Boogie Preprocessor took 32.51ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:11:35,617 INFO L158 Benchmark]: RCFGBuilder took 334.75ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 57.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:11:35,618 INFO L158 Benchmark]: TraceAbstraction took 47.53ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 96.6MB in the beginning and 128.2MB in the end (delta: -31.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-21 22:11:35,619 INFO L158 Benchmark]: Witness Printer took 111.48ms. Allocated memory is still 155.2MB. Free memory was 128.2MB in the beginning and 124.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:11:35,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.87ms. Allocated memory is still 125.8MB. Free memory was 80.8MB in the beginning and 70.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.26ms. Allocated memory is still 125.8MB. Free memory was 70.8MB in the beginning and 69.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.51ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.75ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 57.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 47.53ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 96.6MB in the beginning and 128.2MB in the end (delta: -31.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 111.48ms. Allocated memory is still 155.2MB. Free memory was 128.2MB in the beginning and 124.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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! [2023-11-21 22:11:35,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8da43de-af00-4be1-9c7e-76a8b4e356ee/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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