./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8 --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 32bit --witnessprinter.graph.data.programhash 4412f873965d7271481a31165cef4693811ec350 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:00:04,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:00:04,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:00:04,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:00:04,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:00:04,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:00:04,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:00:04,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:00:04,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:00:04,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:00:04,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:00:04,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:00:04,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:00:04,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:00:04,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:00:04,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:00:04,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:00:04,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:00:04,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:00:04,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:00:04,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:00:04,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:00:04,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:00:04,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:00:04,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:00:04,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:00:04,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:00:04,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:00:04,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:00:04,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:00:04,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:00:04,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:00:04,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:00:04,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:00:04,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:00:04,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:00:04,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:00:04,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:00:04,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:00:04,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:00:04,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:00:04,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-13 08:00:04,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:00:04,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:00:04,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:00:04,541 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:00:04,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:00:04,541 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:00:04,541 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:00:04,542 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:00:04,542 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:00:04,542 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:00:04,542 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:00:04,543 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:00:04,543 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:00:04,543 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:00:04,543 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:00:04,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:00:04,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:00:04,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 08:00:04,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:00:04,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:00:04,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:00:04,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:00:04,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:00:04,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:00:04,546 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 08:00:04,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:00:04,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:00:04,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:00:04,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:00:04,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:00:04,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:00:04,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:00:04,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:00:04,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:00:04,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:00:04,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:00:04,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:00:04,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:00:04,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:00:04,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:00:04,550 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_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4412f873965d7271481a31165cef4693811ec350 [2021-10-13 08:00:04,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:00:04,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:00:04,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:00:04,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:00:04,897 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:00:04,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-13 08:00:04,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/data/01f317b72/413917b1d726424ebe07dfd59d8c511f/FLAG446189f1f [2021-10-13 08:00:05,610 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:00:05,611 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-13 08:00:05,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/data/01f317b72/413917b1d726424ebe07dfd59d8c511f/FLAG446189f1f [2021-10-13 08:00:05,927 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/data/01f317b72/413917b1d726424ebe07dfd59d8c511f [2021-10-13 08:00:05,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:00:05,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:00:05,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:00:05,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:00:05,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:00:05,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:00:05" (1/1) ... [2021-10-13 08:00:05,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32386a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:05, skipping insertion in model container [2021-10-13 08:00:05,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:00:05" (1/1) ... [2021-10-13 08:00:05,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:00:06,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:00:06,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-13 08:00:06,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:00:06,287 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:00:06,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-13 08:00:06,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:00:06,386 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:00:06,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06 WrapperNode [2021-10-13 08:00:06,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:00:06,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:00:06,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:00:06,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:00:06,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:00:06,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:00:06,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:00:06,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:00:06,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:00:06,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:00:06,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:00:06,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:00:06,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (1/1) ... [2021-10-13 08:00:06,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:00:06,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:00:06,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:00:06,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:00:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 08:00:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:00:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:00:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:00:06,752 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 08:00:07,538 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-13 08:00:07,539 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-13 08:00:07,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:00:07,890 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 08:00:07,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:07 BoogieIcfgContainer [2021-10-13 08:00:07,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:00:07,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:00:07,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:00:07,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:00:07,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:00:05" (1/3) ... [2021-10-13 08:00:07,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db050ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:00:07, skipping insertion in model container [2021-10-13 08:00:07,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:06" (2/3) ... [2021-10-13 08:00:07,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db050ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:00:07, skipping insertion in model container [2021-10-13 08:00:07,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:07" (3/3) ... [2021-10-13 08:00:07,905 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2021-10-13 08:00:07,914 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:00:07,915 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-13 08:00:07,974 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:00:07,980 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 08:00:07,981 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-13 08:00:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 106 states have (on average 1.7924528301886793) internal successors, (190), 111 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 08:00:08,007 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:08,008 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:08,008 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2021-10-13 08:00:08,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:08,020 INFO L82 PathProgramCache]: Analyzing trace with hash -521076613, now seen corresponding path program 1 times [2021-10-13 08:00:08,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:00:08,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241923322] [2021-10-13 08:00:08,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:08,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:00:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:08,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:08,303 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:00:08,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241923322] [2021-10-13 08:00:08,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241923322] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:08,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:08,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 08:00:08,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498054328] [2021-10-13 08:00:08,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 08:00:08,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:00:08,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 08:00:08,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:00:08,349 INFO L87 Difference]: Start difference. First operand has 112 states, 106 states have (on average 1.7924528301886793) internal successors, (190), 111 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:08,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:08,405 INFO L93 Difference]: Finished difference Result 206 states and 355 transitions. [2021-10-13 08:00:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 08:00:08,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-13 08:00:08,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:08,415 INFO L225 Difference]: With dead ends: 206 [2021-10-13 08:00:08,415 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:00:08,421 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:00:08,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:00:08,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:00:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:00:08,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-10-13 08:00:08,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:08,448 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:00:08,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:00:08,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:00:08,452 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 08:00:08,453 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 08:00:08,453 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 08:00:08,453 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 08:00:08,454 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 08:00:08,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 08:00:08,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 08:00:08,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,532 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 270) no Hoare annotation was computed. [2021-10-13 08:00:08,532 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 658) no Hoare annotation was computed. [2021-10-13 08:00:08,533 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2021-10-13 08:00:08,533 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2021-10-13 08:00:08,533 INFO L857 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-10-13 08:00:08,533 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 655) no Hoare annotation was computed. [2021-10-13 08:00:08,534 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-10-13 08:00:08,535 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 213 591) no Hoare annotation was computed. [2021-10-13 08:00:08,535 INFO L857 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2021-10-13 08:00:08,536 INFO L857 garLoopResultBuilder]: For program point L268(line 268) no Hoare annotation was computed. [2021-10-13 08:00:08,537 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 240) no Hoare annotation was computed. [2021-10-13 08:00:08,540 INFO L857 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2021-10-13 08:00:08,541 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 597) no Hoare annotation was computed. [2021-10-13 08:00:08,541 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 608) no Hoare annotation was computed. [2021-10-13 08:00:08,542 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 619) no Hoare annotation was computed. [2021-10-13 08:00:08,542 INFO L860 garLoopResultBuilder]: At program point L103-2(lines 103 660) the Hoare annotation is: true [2021-10-13 08:00:08,543 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 641) no Hoare annotation was computed. [2021-10-13 08:00:08,543 INFO L857 garLoopResultBuilder]: For program point L632-2(lines 631 653) no Hoare annotation was computed. [2021-10-13 08:00:08,543 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-13 08:00:08,543 INFO L857 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2021-10-13 08:00:08,550 INFO L860 garLoopResultBuilder]: At program point L170(lines 169 608) the Hoare annotation is: true [2021-10-13 08:00:08,550 INFO L860 garLoopResultBuilder]: At program point L137(lines 130 621) the Hoare annotation is: true [2021-10-13 08:00:08,551 INFO L857 garLoopResultBuilder]: For program point L270(line 270) no Hoare annotation was computed. [2021-10-13 08:00:08,551 INFO L857 garLoopResultBuilder]: For program point L270-1(line 270) no Hoare annotation was computed. [2021-10-13 08:00:08,551 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 638) no Hoare annotation was computed. [2021-10-13 08:00:08,551 INFO L860 garLoopResultBuilder]: At program point L205(lines 205 596) the Hoare annotation is: true [2021-10-13 08:00:08,552 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 607) no Hoare annotation was computed. [2021-10-13 08:00:08,552 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 618) no Hoare annotation was computed. [2021-10-13 08:00:08,552 INFO L860 garLoopResultBuilder]: At program point L106(lines 106 629) the Hoare annotation is: true [2021-10-13 08:00:08,552 INFO L860 garLoopResultBuilder]: At program point L206(lines 202 597) the Hoare annotation is: true [2021-10-13 08:00:08,552 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-10-13 08:00:08,553 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 268) no Hoare annotation was computed. [2021-10-13 08:00:08,553 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2021-10-13 08:00:08,553 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-10-13 08:00:08,553 INFO L860 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: true [2021-10-13 08:00:08,553 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-10-13 08:00:08,554 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 606) no Hoare annotation was computed. [2021-10-13 08:00:08,554 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 617) no Hoare annotation was computed. [2021-10-13 08:00:08,554 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 628) no Hoare annotation was computed. [2021-10-13 08:00:08,554 INFO L860 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: true [2021-10-13 08:00:08,554 INFO L860 garLoopResultBuilder]: At program point L176(lines 172 607) the Hoare annotation is: true [2021-10-13 08:00:08,555 INFO L860 garLoopResultBuilder]: At program point L143(lines 139 618) the Hoare annotation is: true [2021-10-13 08:00:08,555 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-10-13 08:00:08,555 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2021-10-13 08:00:08,555 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 605) no Hoare annotation was computed. [2021-10-13 08:00:08,555 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 616) no Hoare annotation was computed. [2021-10-13 08:00:08,556 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 627) no Hoare annotation was computed. [2021-10-13 08:00:08,556 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-10-13 08:00:08,556 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2021-10-13 08:00:08,556 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-10-13 08:00:08,556 INFO L860 garLoopResultBuilder]: At program point L676(lines 68 678) the Hoare annotation is: true [2021-10-13 08:00:08,557 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 549) no Hoare annotation was computed. [2021-10-13 08:00:08,557 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 270) no Hoare annotation was computed. [2021-10-13 08:00:08,557 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 604) no Hoare annotation was computed. [2021-10-13 08:00:08,557 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 615) no Hoare annotation was computed. [2021-10-13 08:00:08,557 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 626) no Hoare annotation was computed. [2021-10-13 08:00:08,558 INFO L860 garLoopResultBuilder]: At program point L182(lines 178 605) the Hoare annotation is: true [2021-10-13 08:00:08,558 INFO L860 garLoopResultBuilder]: At program point L149(lines 145 616) the Hoare annotation is: true [2021-10-13 08:00:08,560 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 213 591) no Hoare annotation was computed. [2021-10-13 08:00:08,561 INFO L860 garLoopResultBuilder]: At program point L216(lines 109 628) the Hoare annotation is: true [2021-10-13 08:00:08,562 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 603) no Hoare annotation was computed. [2021-10-13 08:00:08,562 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 614) no Hoare annotation was computed. [2021-10-13 08:00:08,562 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 625) no Hoare annotation was computed. [2021-10-13 08:00:08,562 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2021-10-13 08:00:08,562 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 08:00:08,563 INFO L860 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: true [2021-10-13 08:00:08,564 INFO L857 garLoopResultBuilder]: For program point L351-2(lines 213 591) no Hoare annotation was computed. [2021-10-13 08:00:08,564 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 68 678) no Hoare annotation was computed. [2021-10-13 08:00:08,565 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 602) no Hoare annotation was computed. [2021-10-13 08:00:08,565 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 613) no Hoare annotation was computed. [2021-10-13 08:00:08,565 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 624) no Hoare annotation was computed. [2021-10-13 08:00:08,565 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2021-10-13 08:00:08,565 INFO L860 garLoopResultBuilder]: At program point L188(lines 184 603) the Hoare annotation is: true [2021-10-13 08:00:08,566 INFO L860 garLoopResultBuilder]: At program point L155(lines 151 614) the Hoare annotation is: true [2021-10-13 08:00:08,566 INFO L857 garLoopResultBuilder]: For program point L221-2(lines 213 591) no Hoare annotation was computed. [2021-10-13 08:00:08,566 INFO L857 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-10-13 08:00:08,566 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 08:00:08,566 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 601) no Hoare annotation was computed. [2021-10-13 08:00:08,567 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 612) no Hoare annotation was computed. [2021-10-13 08:00:08,568 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 623) no Hoare annotation was computed. [2021-10-13 08:00:08,568 INFO L860 garLoopResultBuilder]: At program point L554(lines 554 558) the Hoare annotation is: true [2021-10-13 08:00:08,568 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-10-13 08:00:08,568 INFO L860 garLoopResultBuilder]: At program point L125(lines 121 624) the Hoare annotation is: true [2021-10-13 08:00:08,568 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 272) no Hoare annotation was computed. [2021-10-13 08:00:08,570 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 264) no Hoare annotation was computed. [2021-10-13 08:00:08,571 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 600) no Hoare annotation was computed. [2021-10-13 08:00:08,571 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 611) no Hoare annotation was computed. [2021-10-13 08:00:08,571 INFO L860 garLoopResultBuilder]: At program point L127(lines 127 622) the Hoare annotation is: true [2021-10-13 08:00:08,571 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2021-10-13 08:00:08,571 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2021-10-13 08:00:08,572 INFO L860 garLoopResultBuilder]: At program point L194(lines 190 601) the Hoare annotation is: true [2021-10-13 08:00:08,572 INFO L860 garLoopResultBuilder]: At program point L161(lines 157 612) the Hoare annotation is: true [2021-10-13 08:00:08,573 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 268) no Hoare annotation was computed. [2021-10-13 08:00:08,573 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 530) no Hoare annotation was computed. [2021-10-13 08:00:08,573 INFO L860 garLoopResultBuilder]: At program point L592(lines 103 660) the Hoare annotation is: true [2021-10-13 08:00:08,573 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-10-13 08:00:08,574 INFO L857 garLoopResultBuilder]: For program point L295-2(lines 213 591) no Hoare annotation was computed. [2021-10-13 08:00:08,574 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 599) no Hoare annotation was computed. [2021-10-13 08:00:08,574 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 610) no Hoare annotation was computed. [2021-10-13 08:00:08,574 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 621) no Hoare annotation was computed. [2021-10-13 08:00:08,575 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2021-10-13 08:00:08,575 INFO L857 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2021-10-13 08:00:08,575 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2021-10-13 08:00:08,575 INFO L860 garLoopResultBuilder]: At program point L661(lines 102 662) the Hoare annotation is: true [2021-10-13 08:00:08,575 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 598) no Hoare annotation was computed. [2021-10-13 08:00:08,576 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 609) no Hoare annotation was computed. [2021-10-13 08:00:08,576 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 620) no Hoare annotation was computed. [2021-10-13 08:00:08,576 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2021-10-13 08:00:08,576 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 250) no Hoare annotation was computed. [2021-10-13 08:00:08,576 INFO L860 garLoopResultBuilder]: At program point L200(lines 196 599) the Hoare annotation is: true [2021-10-13 08:00:08,576 INFO L860 garLoopResultBuilder]: At program point L167(lines 163 610) the Hoare annotation is: true [2021-10-13 08:00:08,577 INFO L857 garLoopResultBuilder]: For program point L233-2(lines 213 591) no Hoare annotation was computed. [2021-10-13 08:00:08,582 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:00:08,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:00:08 BoogieIcfgContainer [2021-10-13 08:00:08,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:00:08,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:00:08,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:00:08,598 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:00:08,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:07" (3/4) ... [2021-10-13 08:00:08,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:00:08,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2021-10-13 08:00:08,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 08:00:08,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 08:00:08,644 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:00:08,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:00:08,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:00:08,830 INFO L168 Benchmark]: Toolchain (without parser) took 2896.70 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 66.1 MB in the beginning and 73.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:08,831 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 55.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:00:08,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.34 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 66.1 MB in the beginning and 113.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:08,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.82 ms. Allocated memory is still 142.6 MB. Free memory was 113.0 MB in the beginning and 110.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:08,832 INFO L168 Benchmark]: Boogie Preprocessor took 59.51 ms. Allocated memory is still 142.6 MB. Free memory was 110.1 MB in the beginning and 108.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:08,833 INFO L168 Benchmark]: RCFGBuilder took 1362.41 ms. Allocated memory is still 142.6 MB. Free memory was 108.0 MB in the beginning and 112.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:08,833 INFO L168 Benchmark]: TraceAbstraction took 696.57 ms. Allocated memory is still 142.6 MB. Free memory was 111.6 MB in the beginning and 82.2 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:08,834 INFO L168 Benchmark]: Witness Printer took 230.93 ms. Allocated memory is still 142.6 MB. Free memory was 82.2 MB in the beginning and 73.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:08,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 55.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 453.34 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 66.1 MB in the beginning and 113.0 MB in the end (delta: -46.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.82 ms. Allocated memory is still 142.6 MB. Free memory was 113.0 MB in the beginning and 110.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.51 ms. Allocated memory is still 142.6 MB. Free memory was 110.1 MB in the beginning and 108.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1362.41 ms. Allocated memory is still 142.6 MB. Free memory was 108.0 MB in the beginning and 112.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 696.57 ms. Allocated memory is still 142.6 MB. Free memory was 111.6 MB in the beginning and 82.2 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 230.93 ms. Allocated memory is still 142.6 MB. Free memory was 82.2 MB in the beginning and 73.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 609.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.2ms, AutomataDifference: 96.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 73.8ms, InitialAbstractionConstructionTime: 14.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 165 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 52 NumberOfFragments, 26 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 38.6ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 19.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 15.2ms SsaConstructionTime, 72.0ms SatisfiabilityAnalysisTime, 99.3ms InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 08:00:08,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1a17db-2cfb-4c68-8c60-48f48db88c2a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...