./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw --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 779f52a505225a2863eaa5ba1ff17e23b2862905d35faf40083a0ee0efa08e33 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:52:04,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:52:04,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:52:04,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:52:04,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:52:04,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:52:04,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:52:04,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:52:04,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:52:04,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:52:04,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:52:04,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:52:04,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:52:04,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:52:04,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:52:04,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:52:04,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:52:04,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:52:04,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:52:04,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:52:04,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:52:04,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:52:04,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:52:04,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:52:04,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:52:04,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:52:04,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:52:04,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:52:04,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:52:04,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:52:04,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:52:04,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:52:04,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:52:04,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:52:04,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:52:04,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:52:04,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:52:04,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:52:04,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:52:04,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:52:04,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:52:04,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-20 05:52:04,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:52:04,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:52:04,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:52:04,423 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:52:04,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:52:04,424 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:52:04,424 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:52:04,425 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:52:04,428 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:52:04,428 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:52:04,429 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:52:04,429 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:52:04,429 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:52:04,430 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:52:04,430 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:52:04,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:52:04,432 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:52:04,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:52:04,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:52:04,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:52:04,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:52:04,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:52:04,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:52:04,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:52:04,434 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-20 05:52:04,434 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:52:04,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:52:04,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:52:04,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:52:04,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:52:04,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:52:04,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:52:04,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:52:04,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:52:04,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:52:04,439 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:52:04,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:52:04,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:52:04,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:52:04,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:52:04,440 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_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 779f52a505225a2863eaa5ba1ff17e23b2862905d35faf40083a0ee0efa08e33 [2021-10-20 05:52:04,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:52:04,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:52:04,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:52:04,732 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:52:04,733 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:52:04,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-10-20 05:52:04,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/data/5af16ea99/d028178699fc4811bdc983ca57056bfc/FLAG973539edd [2021-10-20 05:52:05,285 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:52:05,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-10-20 05:52:05,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/data/5af16ea99/d028178699fc4811bdc983ca57056bfc/FLAG973539edd [2021-10-20 05:52:05,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/data/5af16ea99/d028178699fc4811bdc983ca57056bfc [2021-10-20 05:52:05,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:52:05,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:52:05,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:52:05,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:52:05,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:52:05,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:52:05" (1/1) ... [2021-10-20 05:52:05,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e31641d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:05, skipping insertion in model container [2021-10-20 05:52:05,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:52:05" (1/1) ... [2021-10-20 05:52:05,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:52:05,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:52:05,972 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_be45df4f-6feb-4273-9d24-f9f8537c3622/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37579,37592] [2021-10-20 05:52:05,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:52:05,986 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:52:06,043 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_be45df4f-6feb-4273-9d24-f9f8537c3622/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37579,37592] [2021-10-20 05:52:06,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:52:06,060 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:52:06,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06 WrapperNode [2021-10-20 05:52:06,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:52:06,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:52:06,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:52:06,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:52:06,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:52:06,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:52:06,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:52:06,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:52:06,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:52:06,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:52:06,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:52:06,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:52:06,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (1/1) ... [2021-10-20 05:52:06,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:52:06,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:52:06,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:52:06,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:52:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 05:52:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:52:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:52:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:52:06,411 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-20 05:52:06,941 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-10-20 05:52:06,941 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-10-20 05:52:07,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:52:07,417 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-20 05:52:07,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:52:07 BoogieIcfgContainer [2021-10-20 05:52:07,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:52:07,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:52:07,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:52:07,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:52:07,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:52:05" (1/3) ... [2021-10-20 05:52:07,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1947fd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:52:07, skipping insertion in model container [2021-10-20 05:52:07,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:52:06" (2/3) ... [2021-10-20 05:52:07,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1947fd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:52:07, skipping insertion in model container [2021-10-20 05:52:07,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:52:07" (3/3) ... [2021-10-20 05:52:07,436 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-10-20 05:52:07,441 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:52:07,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-20 05:52:07,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:52:07,493 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, mAutomataTypeConcurrency=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 [2021-10-20 05:52:07,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-20 05:52:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 85 states have internal predecessors, (147), 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) [2021-10-20 05:52:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-20 05:52:07,529 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:52:07,529 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:52:07,530 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-10-20 05:52:07,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:52:07,536 INFO L82 PathProgramCache]: Analyzing trace with hash 370770624, now seen corresponding path program 1 times [2021-10-20 05:52:07,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:52:07,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351974385] [2021-10-20 05:52:07,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:52:07,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:52:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:52:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:52:07,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:52:07,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351974385] [2021-10-20 05:52:07,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351974385] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 05:52:07,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:52:07,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-20 05:52:07,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116357946] [2021-10-20 05:52:07,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:52:07,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:52:07,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:52:07,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:52:07,742 INFO L87 Difference]: Start difference. First operand has 86 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 85 states have internal predecessors, (147), 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 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-20 05:52:07,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:52:07,871 INFO L93 Difference]: Finished difference Result 173 states and 297 transitions. [2021-10-20 05:52:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:52:07,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-10-20 05:52:07,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:52:07,883 INFO L225 Difference]: With dead ends: 173 [2021-10-20 05:52:07,883 INFO L226 Difference]: Without dead ends: 85 [2021-10-20 05:52:07,886 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:52:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-20 05:52:07,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-20 05:52:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 84 states have internal predecessors, (122), 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) [2021-10-20 05:52:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2021-10-20 05:52:07,925 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 11 [2021-10-20 05:52:07,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:52:07,926 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2021-10-20 05:52:07,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-20 05:52:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2021-10-20 05:52:07,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-20 05:52:07,927 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:52:07,927 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:52:07,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 05:52:07,928 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-10-20 05:52:07,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:52:07,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1649998738, now seen corresponding path program 1 times [2021-10-20 05:52:07,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:52:07,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097021518] [2021-10-20 05:52:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:52:07,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:52:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:52:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-20 05:52:08,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:52:08,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097021518] [2021-10-20 05:52:08,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097021518] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 05:52:08,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:52:08,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-20 05:52:08,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926246653] [2021-10-20 05:52:08,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:52:08,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:52:08,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:52:08,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:52:08,023 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-20 05:52:08,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:52:08,238 INFO L93 Difference]: Finished difference Result 214 states and 324 transitions. [2021-10-20 05:52:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:52:08,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20 [2021-10-20 05:52:08,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:52:08,245 INFO L225 Difference]: With dead ends: 214 [2021-10-20 05:52:08,246 INFO L226 Difference]: Without dead ends: 132 [2021-10-20 05:52:08,247 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:52:08,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-20 05:52:08,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 122. [2021-10-20 05:52:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.3801652892561984) internal successors, (167), 121 states have internal predecessors, (167), 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) [2021-10-20 05:52:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 167 transitions. [2021-10-20 05:52:08,271 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 167 transitions. Word has length 20 [2021-10-20 05:52:08,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:52:08,271 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 167 transitions. [2021-10-20 05:52:08,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-20 05:52:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 167 transitions. [2021-10-20 05:52:08,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-20 05:52:08,272 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:52:08,273 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:52:08,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-20 05:52:08,273 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-10-20 05:52:08,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:52:08,274 INFO L82 PathProgramCache]: Analyzing trace with hash 389646970, now seen corresponding path program 1 times [2021-10-20 05:52:08,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:52:08,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388704918] [2021-10-20 05:52:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:52:08,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:52:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:52:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-20 05:52:08,367 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:52:08,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388704918] [2021-10-20 05:52:08,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388704918] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 05:52:08,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:52:08,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-20 05:52:08,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725006951] [2021-10-20 05:52:08,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:52:08,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:52:08,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:52:08,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:52:08,370 INFO L87 Difference]: Start difference. First operand 122 states and 167 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-20 05:52:08,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:52:08,536 INFO L93 Difference]: Finished difference Result 324 states and 458 transitions. [2021-10-20 05:52:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:52:08,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 21 [2021-10-20 05:52:08,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:52:08,537 INFO L225 Difference]: With dead ends: 324 [2021-10-20 05:52:08,537 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:52:08,539 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:52:08,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:52:08,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:52:08,540 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) [2021-10-20 05:52:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:52:08,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-10-20 05:52:08,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:52:08,541 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:52:08,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-20 05:52:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:52:08,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:52:08,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-20 05:52:08,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-20 05:52:08,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-20 05:52:08,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:52:08,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:52:08,596 INFO L853 garLoopResultBuilder]: At program point L135(lines 131 564) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,596 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 240) no Hoare annotation was computed. [2021-10-20 05:52:08,596 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 551) no Hoare annotation was computed. [2021-10-20 05:52:08,597 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 562) no Hoare annotation was computed. [2021-10-20 05:52:08,597 INFO L860 garLoopResultBuilder]: At program point L104(lines 104 573) the Hoare annotation is: true [2021-10-20 05:52:08,597 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 205 537) no Hoare annotation was computed. [2021-10-20 05:52:08,597 INFO L853 garLoopResultBuilder]: At program point L171(lines 167 552) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,597 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-10-20 05:52:08,598 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 550) no Hoare annotation was computed. [2021-10-20 05:52:08,598 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 561) no Hoare annotation was computed. [2021-10-20 05:52:08,598 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 572) no Hoare annotation was computed. [2021-10-20 05:52:08,598 INFO L853 garLoopResultBuilder]: At program point L141(lines 137 562) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,598 INFO L860 garLoopResultBuilder]: At program point L538(lines 101 604) the Hoare annotation is: true [2021-10-20 05:52:08,599 INFO L860 garLoopResultBuilder]: At program point L605(lines 100 606) the Hoare annotation is: true [2021-10-20 05:52:08,599 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 549) no Hoare annotation was computed. [2021-10-20 05:52:08,599 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 560) no Hoare annotation was computed. [2021-10-20 05:52:08,599 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 571) no Hoare annotation was computed. [2021-10-20 05:52:08,599 INFO L857 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2021-10-20 05:52:08,600 INFO L857 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-10-20 05:52:08,600 INFO L860 garLoopResultBuilder]: At program point L210(lines 107 572) the Hoare annotation is: true [2021-10-20 05:52:08,600 INFO L853 garLoopResultBuilder]: At program point L177(lines 173 550) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,600 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 602) no Hoare annotation was computed. [2021-10-20 05:52:08,600 INFO L857 garLoopResultBuilder]: For program point L575(lines 575 599) no Hoare annotation was computed. [2021-10-20 05:52:08,601 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 349) no Hoare annotation was computed. [2021-10-20 05:52:08,601 INFO L857 garLoopResultBuilder]: For program point L311-1(lines 311 325) no Hoare annotation was computed. [2021-10-20 05:52:08,601 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 548) no Hoare annotation was computed. [2021-10-20 05:52:08,601 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 559) no Hoare annotation was computed. [2021-10-20 05:52:08,601 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 570) no Hoare annotation was computed. [2021-10-20 05:52:08,601 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 585) no Hoare annotation was computed. [2021-10-20 05:52:08,601 INFO L857 garLoopResultBuilder]: For program point L576-2(lines 575 597) no Hoare annotation was computed. [2021-10-20 05:52:08,602 INFO L853 garLoopResultBuilder]: At program point L147(lines 143 560) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,602 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2021-10-20 05:52:08,602 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 451) no Hoare annotation was computed. [2021-10-20 05:52:08,602 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 547) no Hoare annotation was computed. [2021-10-20 05:52:08,602 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 558) no Hoare annotation was computed. [2021-10-20 05:52:08,603 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 205 537) no Hoare annotation was computed. [2021-10-20 05:52:08,603 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 569) no Hoare annotation was computed. [2021-10-20 05:52:08,603 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-10-20 05:52:08,603 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 313 325) no Hoare annotation was computed. [2021-10-20 05:52:08,603 INFO L853 garLoopResultBuilder]: At program point L183(lines 179 548) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,603 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-10-20 05:52:08,604 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:52:08,604 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 256) no Hoare annotation was computed. [2021-10-20 05:52:08,604 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 546) no Hoare annotation was computed. [2021-10-20 05:52:08,604 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 557) no Hoare annotation was computed. [2021-10-20 05:52:08,604 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 568) no Hoare annotation was computed. [2021-10-20 05:52:08,604 INFO L853 garLoopResultBuilder]: At program point L153(lines 149 558) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,605 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 545) no Hoare annotation was computed. [2021-10-20 05:52:08,605 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 556) no Hoare annotation was computed. [2021-10-20 05:52:08,605 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 567) no Hoare annotation was computed. [2021-10-20 05:52:08,605 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 391) no Hoare annotation was computed. [2021-10-20 05:52:08,605 INFO L853 garLoopResultBuilder]: At program point L354(lines 354 358) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,605 INFO L853 garLoopResultBuilder]: At program point L189(lines 185 546) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,606 INFO L853 garLoopResultBuilder]: At program point L123(lines 119 568) the Hoare annotation is: (<= ULTIMATE.start_ssl3_connect_~s__state~0 4384) [2021-10-20 05:52:08,606 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:52:08,606 INFO L860 garLoopResultBuilder]: At program point L620(lines 68 622) the Hoare annotation is: true [2021-10-20 05:52:08,606 INFO L857 garLoopResultBuilder]: For program point L290-2(lines 205 537) no Hoare annotation was computed. [2021-10-20 05:52:08,606 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 544) no Hoare annotation was computed. [2021-10-20 05:52:08,607 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 555) no Hoare annotation was computed. [2021-10-20 05:52:08,607 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 566) no Hoare annotation was computed. [2021-10-20 05:52:08,607 INFO L857 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-10-20 05:52:08,607 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2021-10-20 05:52:08,607 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-10-20 05:52:08,607 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 244) no Hoare annotation was computed. [2021-10-20 05:52:08,608 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 543) no Hoare annotation was computed. [2021-10-20 05:52:08,608 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 554) no Hoare annotation was computed. [2021-10-20 05:52:08,608 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 205 537) no Hoare annotation was computed. [2021-10-20 05:52:08,608 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2021-10-20 05:52:08,608 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 565) no Hoare annotation was computed. [2021-10-20 05:52:08,609 INFO L853 garLoopResultBuilder]: At program point L195(lines 191 544) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,609 INFO L853 garLoopResultBuilder]: At program point L129(lines 125 566) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,609 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 493 505) no Hoare annotation was computed. [2021-10-20 05:52:08,609 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 431) no Hoare annotation was computed. [2021-10-20 05:52:08,609 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 234) no Hoare annotation was computed. [2021-10-20 05:52:08,609 INFO L860 garLoopResultBuilder]: At program point L197(lines 197 542) the Hoare annotation is: true [2021-10-20 05:52:08,610 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 553) no Hoare annotation was computed. [2021-10-20 05:52:08,610 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 564) no Hoare annotation was computed. [2021-10-20 05:52:08,610 INFO L853 garLoopResultBuilder]: At program point L198(lines 197 542) the Hoare annotation is: (<= ULTIMATE.start_ssl3_connect_~s__state~0 4384) [2021-10-20 05:52:08,610 INFO L853 garLoopResultBuilder]: At program point L165(lines 155 556) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-20 05:52:08,610 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 501) no Hoare annotation was computed. [2021-10-20 05:52:08,611 INFO L857 garLoopResultBuilder]: For program point L265-2(lines 205 537) no Hoare annotation was computed. [2021-10-20 05:52:08,611 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-10-20 05:52:08,611 INFO L857 garLoopResultBuilder]: For program point L332-2(lines 205 537) no Hoare annotation was computed. [2021-10-20 05:52:08,611 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 552) no Hoare annotation was computed. [2021-10-20 05:52:08,611 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 563) no Hoare annotation was computed. [2021-10-20 05:52:08,611 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 68 622) no Hoare annotation was computed. [2021-10-20 05:52:08,616 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:52:08,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:52:08 BoogieIcfgContainer [2021-10-20 05:52:08,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:52:08,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:52:08,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:52:08,629 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:52:08,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:52:07" (3/4) ... [2021-10-20 05:52:08,633 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:52:08,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-10-20 05:52:08,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-20 05:52:08,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:52:08,652 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:52:08,756 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:52:08,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:52:08,757 INFO L168 Benchmark]: Toolchain (without parser) took 3081.02 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 66.1 MB in the beginning and 102.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. [2021-10-20 05:52:08,758 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 53.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:52:08,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.81 ms. Allocated memory is still 100.7 MB. Free memory was 66.0 MB in the beginning and 70.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:52:08,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.35 ms. Allocated memory is still 100.7 MB. Free memory was 70.8 MB in the beginning and 67.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:52:08,759 INFO L168 Benchmark]: Boogie Preprocessor took 40.46 ms. Allocated memory is still 100.7 MB. Free memory was 67.9 MB in the beginning and 66.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:52:08,759 INFO L168 Benchmark]: RCFGBuilder took 1260.33 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 65.8 MB in the beginning and 73.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:52:08,760 INFO L168 Benchmark]: TraceAbstraction took 1205.73 ms. Allocated memory is still 134.2 MB. Free memory was 73.3 MB in the beginning and 49.7 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:52:08,760 INFO L168 Benchmark]: Witness Printer took 126.76 ms. Allocated memory is still 134.2 MB. Free memory was 49.7 MB in the beginning and 102.4 MB in the end (delta: -52.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:52:08,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 53.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 379.81 ms. Allocated memory is still 100.7 MB. Free memory was 66.0 MB in the beginning and 70.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.35 ms. Allocated memory is still 100.7 MB. Free memory was 70.8 MB in the beginning and 67.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.46 ms. Allocated memory is still 100.7 MB. Free memory was 67.9 MB in the beginning and 66.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1260.33 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 65.8 MB in the beginning and 73.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1205.73 ms. Allocated memory is still 134.2 MB. Free memory was 73.3 MB in the beginning and 49.7 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Witness Printer took 126.76 ms. Allocated memory is still 134.2 MB. Free memory was 49.7 MB in the beginning and 102.4 MB in the end (delta: -52.8 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: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 276]: 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, 86 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1130.6ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 24.7ms, AutomataDifference: 556.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 50.2ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 351 SDtfs, 126 SDslu, 111 SDs, 0 SdLazy, 305 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 295.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 48.3ms AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 49 NumberOfFragments, 48 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 20.3ms HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 20.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 19.9ms SsaConstructionTime, 108.4ms SatisfiabilityAnalysisTime, 154.2ms InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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 2 specifications checked. All of them hold - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 4384 <= s__state RESULT: Ultimate proved your program to be correct! [2021-10-20 05:52:08,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be45df4f-6feb-4273-9d24-f9f8537c3622/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...