./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P --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 77098736f5169a5c2e75e37a12864a0b01bafe22ee148a27a29123419dc4c214 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:36:27,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:36:27,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:36:27,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:36:27,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:36:27,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:36:27,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:36:27,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:36:27,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:36:27,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:36:27,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:36:27,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:36:27,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:36:27,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:36:27,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:36:27,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:36:27,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:36:27,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:36:27,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:36:27,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:36:27,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:36:27,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:36:27,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:36:27,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:36:27,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:36:27,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:36:27,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:36:27,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:36:27,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:36:27,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:36:27,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:36:27,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:36:27,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:36:27,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:36:27,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:36:27,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:36:27,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:36:27,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:36:27,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:36:27,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:36:27,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:36:27,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-21 00:36:27,287 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:36:27,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:36:27,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:36:27,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:36:27,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:36:27,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:36:27,291 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:36:27,291 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:36:27,292 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:36:27,292 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:36:27,293 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:36:27,293 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:36:27,294 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:36:27,294 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:36:27,295 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:36:27,296 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:36:27,296 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:36:27,297 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:36:27,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:36:27,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:36:27,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:36:27,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:36:27,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:36:27,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:36:27,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:36:27,301 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:36:27,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:36:27,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:36:27,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:36:27,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:36:27,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:36:27,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:36:27,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:36:27,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:36:27,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:36:27,306 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:36:27,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:36:27,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:36:27,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:36:27,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:36:27,308 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_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77098736f5169a5c2e75e37a12864a0b01bafe22ee148a27a29123419dc4c214 [2021-11-21 00:36:27,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:36:27,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:36:27,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:36:27,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:36:27,704 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:36:27,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i [2021-11-21 00:36:27,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/data/e302c440f/1f1c65901d444825b8293687d0527748/FLAG8d1a097ee [2021-11-21 00:36:28,430 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:36:28,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i [2021-11-21 00:36:28,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/data/e302c440f/1f1c65901d444825b8293687d0527748/FLAG8d1a097ee [2021-11-21 00:36:28,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/data/e302c440f/1f1c65901d444825b8293687d0527748 [2021-11-21 00:36:28,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:36:28,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:36:28,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:36:28,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:36:28,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:36:28,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:36:28" (1/1) ... [2021-11-21 00:36:28,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457840df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:28, skipping insertion in model container [2021-11-21 00:36:28,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:36:28" (1/1) ... [2021-11-21 00:36:28,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:36:28,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:36:29,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:36:29,165 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:36:29,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:36:29,257 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:36:29,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29 WrapperNode [2021-11-21 00:36:29,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:36:29,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:36:29,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:36:29,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:36:29,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,320 INFO L137 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2021-11-21 00:36:29,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:36:29,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:36:29,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:36:29,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:36:29,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:36:29,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:36:29,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:36:29,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:36:29,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (1/1) ... [2021-11-21 00:36:29,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:36:29,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:36:29,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:36:29,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:36:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:36:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:36:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:36:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:36:29,627 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:36:29,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:36:29,706 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:36:29,726 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:36:29,726 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 00:36:29,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:36:29 BoogieIcfgContainer [2021-11-21 00:36:29,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:36:29,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:36:29,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:36:29,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:36:29,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:36:28" (1/3) ... [2021-11-21 00:36:29,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742b101c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:36:29, skipping insertion in model container [2021-11-21 00:36:29,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:36:29" (2/3) ... [2021-11-21 00:36:29,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742b101c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:36:29, skipping insertion in model container [2021-11-21 00:36:29,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:36:29" (3/3) ... [2021-11-21 00:36:29,744 INFO L111 eAbstractionObserver]: Analyzing ICFG ConversionToSignedInt.i [2021-11-21 00:36:29,752 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:36:29,752 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-21 00:36:29,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742b101c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:36:29, skipping insertion in model container [2021-11-21 00:36:29,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 00:36:29,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 00:36:29,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 00:36:29,759 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 00:36:29,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:36:29" (3/3) ... [2021-11-21 00:36:29,766 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 00:36:29,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-21 00:36:29,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-21 00:36:29,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 00:36:29,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 00:36:29,812 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 00:36:29,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 00:36:29,815 INFO L158 Benchmark]: Toolchain (without parser) took 1065.08ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 73.0MB in the end (delta: 5.0MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2021-11-21 00:36:29,815 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:36:29,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.91ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 87.8MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 00:36:29,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.03ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 86.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:36:29,818 INFO L158 Benchmark]: Boogie Preprocessor took 41.35ms. Allocated memory is still 117.4MB. Free memory was 86.1MB in the beginning and 85.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:36:29,819 INFO L158 Benchmark]: RCFGBuilder took 364.22ms. Allocated memory is still 117.4MB. Free memory was 85.1MB in the beginning and 76.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 00:36:29,820 INFO L158 Benchmark]: TraceAbstraction took 25.49ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 75.1MB in the end (delta: 653.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:36:29,821 INFO L158 Benchmark]: Witness Printer took 54.13ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:36:29,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.91ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 87.8MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.03ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 86.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.35ms. Allocated memory is still 117.4MB. Free memory was 86.1MB in the beginning and 85.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.22ms. Allocated memory is still 117.4MB. Free memory was 85.1MB in the beginning and 76.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25.49ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 75.1MB in the end (delta: 653.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.13ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 73.0MB 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! [2021-11-21 00:36:29,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c4ba4bc-179c-42ac-8eba-b934b205890c/bin/utaipan-TEXQjIfE4P/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