./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --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 efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:03:23,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:03:23,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:03:23,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:03:23,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:03:23,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:03:23,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:03:23,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:03:23,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:03:23,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:03:23,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:03:23,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:03:23,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:03:23,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:03:23,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:03:23,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:03:23,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:03:23,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:03:23,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:03:23,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:03:23,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:03:23,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:03:23,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:03:23,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:03:23,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:03:23,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:03:23,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:03:23,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:03:23,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:03:23,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:03:23,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:03:23,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:03:23,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:03:23,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:03:23,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:03:23,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:03:23,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:03:23,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:03:23,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:03:23,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:03:23,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:03:23,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 09:03:23,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:03:23,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:03:23,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:03:23,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:03:23,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:03:23,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:03:23,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:03:23,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:03:23,366 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:03:23,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:03:23,368 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:03:23,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:03:23,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:03:23,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:03:23,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:03:23,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:03:23,369 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 09:03:23,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:03:23,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:03:23,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:03:23,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:03:23,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:03:23,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:03:23,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:03:23,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:03:23,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:03:23,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:03:23,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:03:23,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:03:23,373 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:03:23,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:03:23,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:03:23,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a [2022-11-21 09:03:23,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:03:23,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:03:23,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:03:23,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:03:23,690 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:03:23,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2022-11-21 09:03:27,429 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:03:27,755 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:03:27,756 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2022-11-21 09:03:27,770 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/data/0e29957ac/430d8442164a4011b1fdc369760461cc/FLAGb07b171a5 [2022-11-21 09:03:27,795 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/data/0e29957ac/430d8442164a4011b1fdc369760461cc [2022-11-21 09:03:27,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:03:27,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:03:27,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:03:27,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:03:27,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:03:27,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:27" (1/1) ... [2022-11-21 09:03:27,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dbbc20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:27, skipping insertion in model container [2022-11-21 09:03:27,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:27" (1/1) ... [2022-11-21 09:03:27,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:03:27,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:03:28,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:03:28,200 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:03:28,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:03:28,296 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:03:28,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28 WrapperNode [2022-11-21 09:03:28,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:03:28,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:03:28,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:03:28,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:03:28,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,348 INFO L138 Inliner]: procedures = 104, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6 [2022-11-21 09:03:28,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:03:28,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:03:28,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:03:28,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:03:28,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,369 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:03:28,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:03:28,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:03:28,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:03:28,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (1/1) ... [2022-11-21 09:03:28,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:03:28,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:03:28,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:03:28,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:03:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:03:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:03:28,603 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:03:28,605 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:03:28,678 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:03:28,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:03:28,692 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 09:03:28,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:28 BoogieIcfgContainer [2022-11-21 09:03:28,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:03:28,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:03:28,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:03:28,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:03:28,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:03:27" (1/3) ... [2022-11-21 09:03:28,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47381865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:28, skipping insertion in model container [2022-11-21 09:03:28,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:28" (2/3) ... [2022-11-21 09:03:28,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47381865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:28, skipping insertion in model container [2022-11-21 09:03:28,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:28" (3/3) ... [2022-11-21 09:03:28,712 INFO L112 eAbstractionObserver]: Analyzing ICFG NoNegativeIntegerConstant.i [2022-11-21 09:03:28,744 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:03:28,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 09:03:28,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47381865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:03:28, skipping insertion in model container [2022-11-21 09:03:28,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:03:28,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:03:28,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:03:28,749 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:03:28,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:28" (3/3) ... [2022-11-21 09:03:28,752 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:03:28,775 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 09:03:28,776 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 09:03:28,781 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:03:28,820 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:03:28,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:03:28,822 INFO L158 Benchmark]: Toolchain (without parser) took 1019.92ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 69.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 09:03:28,823 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:03:28,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.38ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 84.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 09:03:28,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.50ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:03:28,825 INFO L158 Benchmark]: Boogie Preprocessor took 22.38ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 799.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:03:28,827 INFO L158 Benchmark]: RCFGBuilder took 322.27ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 73.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 09:03:28,829 INFO L158 Benchmark]: TraceAbstraction took 48.24ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 71.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:03:28,830 INFO L158 Benchmark]: Witness Printer took 71.90ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:03:28,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.38ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 84.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.50ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.38ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 799.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.27ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 73.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 48.24ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 71.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 71.90ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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! [2022-11-21 09:03:28,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374467f4-375b-4b8d-bae7-2d99fa9a4248/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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