./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:59:15,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:59:15,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:59:15,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:59:15,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:59:15,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:59:15,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:59:15,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:59:15,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:59:15,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:59:15,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:59:15,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:59:15,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:59:15,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:59:15,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:59:15,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:59:15,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:59:15,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:59:15,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:59:15,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:59:15,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:59:15,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:59:15,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:59:15,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:59:15,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:59:15,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:59:15,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:59:15,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:59:15,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:59:15,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:59:15,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:59:15,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:59:15,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:59:15,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:59:15,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:59:15,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:59:15,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:59:15,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:59:15,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:59:15,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:59:15,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:59:15,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-23 02:59:15,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:59:15,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:59:15,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:59:15,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:59:15,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:59:15,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:59:15,375 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:59:15,376 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:59:15,376 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:59:15,376 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:59:15,378 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:59:15,378 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:59:15,379 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:59:15,379 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:59:15,379 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:59:15,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:59:15,380 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:59:15,380 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:59:15,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:59:15,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:59:15,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:59:15,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:59:15,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:59:15,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:59:15,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:59:15,383 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:59:15,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:59:15,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:59:15,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:59:15,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:59:15,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:59:15,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:59:15,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:59:15,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:59:15,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:59:15,389 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:59:15,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:59:15,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:59:15,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:59:15,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:59:15,390 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a [2021-11-23 02:59:15,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:59:15,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:59:15,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:59:15,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:59:15,755 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:59:15,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2021-11-23 02:59:15,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/data/215948d75/e3c77959f47a49679020215892f33328/FLAG9e6a8890d [2021-11-23 02:59:16,521 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:59:16,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2021-11-23 02:59:16,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/data/215948d75/e3c77959f47a49679020215892f33328/FLAG9e6a8890d [2021-11-23 02:59:16,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/data/215948d75/e3c77959f47a49679020215892f33328 [2021-11-23 02:59:16,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:59:16,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:59:16,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:59:16,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:59:16,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:59:16,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:16" (1/1) ... [2021-11-23 02:59:16,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59efbcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:16, skipping insertion in model container [2021-11-23 02:59:16,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:16" (1/1) ... [2021-11-23 02:59:16,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:59:16,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:59:17,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:59:17,213 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:59:17,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:59:17,280 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:59:17,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17 WrapperNode [2021-11-23 02:59:17,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:59:17,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:59:17,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:59:17,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:59:17,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,320 INFO L137 Inliner]: procedures = 109, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2021-11-23 02:59:17,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:59:17,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:59:17,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:59:17,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:59:17,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:59:17,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:59:17,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:59:17,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:59:17,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (1/1) ... [2021-11-23 02:59:17,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:59:17,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:59:17,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:59:17,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:59:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:59:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:59:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:59:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:59:17,573 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:59:17,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:59:17,649 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:59:17,669 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:59:17,669 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:59:17,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:17 BoogieIcfgContainer [2021-11-23 02:59:17,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:59:17,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:59:17,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:59:17,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:59:17,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:59:16" (1/3) ... [2021-11-23 02:59:17,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af4536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:17, skipping insertion in model container [2021-11-23 02:59:17,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:17" (2/3) ... [2021-11-23 02:59:17,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af4536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:17, skipping insertion in model container [2021-11-23 02:59:17,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:17" (3/3) ... [2021-11-23 02:59:17,682 INFO L111 eAbstractionObserver]: Analyzing ICFG NoNegativeIntegerConstant.i [2021-11-23 02:59:17,689 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:59:17,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-23 02:59:17,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af4536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:59:17, skipping insertion in model container [2021-11-23 02:59:17,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:59:17,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:59:17,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:59:17,693 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:59:17,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:17" (3/3) ... [2021-11-23 02:59:17,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:59:17,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 02:59:17,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 02:59:17,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 02:59:17,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:59:17,745 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:59:17,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:59:17,748 INFO L158 Benchmark]: Toolchain (without parser) took 978.77ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 49.2MB in the beginning and 78.6MB in the end (delta: -29.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,748 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:59:17,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.89ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 49.0MB in the beginning and 93.2MB in the end (delta: -44.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.69ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 92.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:59:17,751 INFO L158 Benchmark]: Boogie Preprocessor took 18.20ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 91.1MB in the end (delta: 958.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,752 INFO L158 Benchmark]: RCFGBuilder took 331.93ms. Allocated memory is still 121.6MB. Free memory was 91.1MB in the beginning and 82.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,753 INFO L158 Benchmark]: TraceAbstraction took 17.27ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 80.6MB in the end (delta: 898.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,753 INFO L158 Benchmark]: Witness Printer took 52.74ms. Allocated memory is still 121.6MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.89ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 49.0MB in the beginning and 93.2MB in the end (delta: -44.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.69ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 92.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.20ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 91.1MB in the end (delta: 958.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.93ms. Allocated memory is still 121.6MB. Free memory was 91.1MB in the beginning and 82.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17.27ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 80.6MB in the end (delta: 898.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 52.74ms. Allocated memory is still 121.6MB. Free memory was 80.6MB in the beginning and 78.6MB 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-23 02:59:17,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f621718-cd2c-43b1-944f-c4dc33cf5baa/bin/utaipan-EQgc7hIp5V/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