./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e80e5ec358c01b9328a945ffeac50362818d778d67430de128e75eb1cc0d9bc1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:51:26,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:51:26,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:51:26,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:51:26,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:51:26,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:51:26,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:51:26,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:51:26,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:51:26,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:51:26,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:51:26,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:51:26,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:51:26,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:51:26,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:51:26,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:51:26,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:51:26,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:51:26,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:51:26,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:51:26,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:51:26,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:51:26,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:51:26,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:51:26,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:51:26,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:51:26,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:51:26,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:51:26,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:51:26,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:51:26,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:51:26,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:51:26,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:51:26,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:51:26,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:51:26,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:51:26,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:51:26,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:51:26,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:51:26,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:51:26,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:51:26,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:51:27,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:51:27,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:51:27,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:51:27,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:51:27,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:51:27,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:51:27,034 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:51:27,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:51:27,034 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:51:27,034 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:51:27,035 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:51:27,036 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:51:27,036 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:51:27,036 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:51:27,037 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:51:27,037 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:51:27,037 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:51:27,037 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:51:27,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:51:27,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:51:27,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:51:27,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:51:27,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:51:27,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:51:27,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:51:27,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:51:27,042 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:51:27,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:51:27,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:51:27,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:51:27,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:51:27,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:51:27,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:51:27,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:51:27,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:51:27,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:51:27,045 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:51:27,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:51:27,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:51:27,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:51:27,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:51:27,047 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_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e80e5ec358c01b9328a945ffeac50362818d778d67430de128e75eb1cc0d9bc1 [2021-11-23 16:51:27,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:51:27,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:51:27,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:51:27,327 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:51:27,328 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:51:27,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2021-11-23 16:51:27,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data/28347529a/2c81c83e28e449ce93785e898c71a7f4/FLAG161e91d1a [2021-11-23 16:51:28,089 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:51:28,091 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2021-11-23 16:51:28,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data/28347529a/2c81c83e28e449ce93785e898c71a7f4/FLAG161e91d1a [2021-11-23 16:51:28,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data/28347529a/2c81c83e28e449ce93785e898c71a7f4 [2021-11-23 16:51:28,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:51:28,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:51:28,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:28,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:51:28,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:51:28,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:28" (1/1) ... [2021-11-23 16:51:28,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcd4ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:28, skipping insertion in model container [2021-11-23 16:51:28,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:28" (1/1) ... [2021-11-23 16:51:28,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:51:28,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:51:28,998 WARN L230 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_605644fb-89dc-455b-b062-81fa4b510ff9/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c[51398,51411] [2021-11-23 16:51:29,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:51:29,075 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:51:29,197 WARN L230 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_605644fb-89dc-455b-b062-81fa4b510ff9/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c[51398,51411] [2021-11-23 16:51:29,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:51:29,256 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:51:29,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29 WrapperNode [2021-11-23 16:51:29,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:29,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:51:29,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:51:29,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:51:29,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,402 INFO L137 Inliner]: procedures = 132, calls = 232, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1084 [2021-11-23 16:51:29,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:51:29,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:51:29,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:51:29,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:51:29,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:51:29,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:51:29,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:51:29,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:51:29,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:29" (1/1) ... [2021-11-23 16:51:29,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:51:29,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:51:29,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:51:29,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:51:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:51:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:51:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 16:51:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 16:51:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:51:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:51:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 16:51:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 16:51:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:51:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:51:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:51:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:51:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-11-23 16:51:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-11-23 16:51:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:51:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:51:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:51:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:51:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:51:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:51:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:51:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:51:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:51:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:51:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:51:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 16:51:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 16:51:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:51:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:51:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:51:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:51:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:51:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 16:51:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 16:51:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:51:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:51:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:51:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:51:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:51:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:51:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:51:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:51:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:51:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:51:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:51:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:51:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:51:29,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:51:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:51:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:51:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 16:51:29,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 16:51:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:51:29,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:51:29,832 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:51:29,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:51:30,787 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:51:30,867 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:51:30,873 INFO L158 Benchmark]: Toolchain (without parser) took 2599.97ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 63.9MB in the beginning and 79.4MB in the end (delta: -15.5MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2021-11-23 16:51:30,874 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:51:30,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 985.39ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 72.7MB in the end (delta: -9.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 16:51:30,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.64ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 99.4MB in the end (delta: -26.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-23 16:51:30,879 INFO L158 Benchmark]: Boogie Preprocessor took 71.80ms. Allocated memory is still 125.8MB. Free memory was 99.4MB in the beginning and 95.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:30,880 INFO L158 Benchmark]: RCFGBuilder took 1393.47ms. Allocated memory is still 125.8MB. Free memory was 94.5MB in the beginning and 79.4MB in the end (delta: 15.1MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2021-11-23 16:51:30,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 985.39ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 72.7MB in the end (delta: -9.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.64ms. Allocated memory is still 125.8MB. Free memory was 72.7MB in the beginning and 99.4MB in the end (delta: -26.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.80ms. Allocated memory is still 125.8MB. Free memory was 99.4MB in the beginning and 95.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1393.47ms. Allocated memory is still 125.8MB. Free memory was 94.5MB in the beginning and 79.4MB in the end (delta: 15.1MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:51:30,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e80e5ec358c01b9328a945ffeac50362818d778d67430de128e75eb1cc0d9bc1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:51:33,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:51:33,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:51:33,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:51:33,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:51:33,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:51:33,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:51:33,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:51:33,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:51:33,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:51:33,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:51:33,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:51:33,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:51:33,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:51:33,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:51:33,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:51:33,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:51:33,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:51:33,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:51:33,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:51:33,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:51:33,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:51:33,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:51:33,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:51:33,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:51:33,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:51:33,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:51:33,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:51:33,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:51:33,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:51:33,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:51:33,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:51:33,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:51:33,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:51:33,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:51:33,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:51:33,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:51:33,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:51:33,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:51:33,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:51:33,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:51:33,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:51:33,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:51:33,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:51:33,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:51:33,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:51:33,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:51:33,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:51:33,791 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:51:33,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:51:33,792 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:51:33,792 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:51:33,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:51:33,794 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:51:33,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:51:33,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:51:33,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:51:33,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:51:33,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:51:33,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:51:33,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:51:33,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:51:33,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:51:33,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:51:33,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:51:33,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:51:33,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:51:33,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:51:33,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:51:33,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:51:33,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:51:33,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:51:33,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:51:33,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:51:33,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:51:33,800 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:51:33,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:51:33,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:51:33,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:51:33,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:51:33,802 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e80e5ec358c01b9328a945ffeac50362818d778d67430de128e75eb1cc0d9bc1 [2021-11-23 16:51:34,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:51:34,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:51:34,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:51:34,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:51:34,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:51:34,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2021-11-23 16:51:34,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data/164cebd00/5c4db964fdcf459ebf158ce3d4f47c68/FLAG4408c0fbb [2021-11-23 16:51:35,126 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:51:35,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c [2021-11-23 16:51:35,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data/164cebd00/5c4db964fdcf459ebf158ce3d4f47c68/FLAG4408c0fbb [2021-11-23 16:51:35,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/data/164cebd00/5c4db964fdcf459ebf158ce3d4f47c68 [2021-11-23 16:51:35,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:51:35,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:51:35,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:35,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:51:35,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:51:35,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:35" (1/1) ... [2021-11-23 16:51:35,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346674f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:35, skipping insertion in model container [2021-11-23 16:51:35,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:35" (1/1) ... [2021-11-23 16:51:35,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:51:35,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:51:36,096 WARN L230 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_605644fb-89dc-455b-b062-81fa4b510ff9/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c[51398,51411] [2021-11-23 16:51:36,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:51:36,216 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:51:36,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:51:36,396 WARN L230 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_605644fb-89dc-455b-b062-81fa4b510ff9/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c[51398,51411] [2021-11-23 16:51:36,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:51:36,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:51:36,550 WARN L230 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_605644fb-89dc-455b-b062-81fa4b510ff9/sv-benchmarks/c/product-lines/email_spec6_product26.cil.c[51398,51411] [2021-11-23 16:51:36,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:51:36,633 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:51:36,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36 WrapperNode [2021-11-23 16:51:36,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:36,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:51:36,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:51:36,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:51:36,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,793 INFO L137 Inliner]: procedures = 134, calls = 232, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1025 [2021-11-23 16:51:36,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:51:36,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:51:36,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:51:36,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:51:36,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:51:36,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:51:36,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:51:36,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:51:36,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (1/1) ... [2021-11-23 16:51:36,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:51:36,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:51:36,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:51:36,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:51:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:51:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:51:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 16:51:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 16:51:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:51:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:51:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 16:51:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 16:51:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:51:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:51:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:51:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:51:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-11-23 16:51:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-11-23 16:51:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:51:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:51:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:51:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:51:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:51:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:51:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:51:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:51:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:51:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:51:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:51:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 16:51:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 16:51:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:51:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:51:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:51:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:51:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:51:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 16:51:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 16:51:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:51:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:51:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:51:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:51:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:51:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:51:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:51:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:51:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:51:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:51:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:51:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:51:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:51:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:51:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:51:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:51:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:51:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 16:51:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 16:51:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:51:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:51:37,446 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:51:37,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:51:38,510 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:51:38,527 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:51:38,527 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:51:38,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:51:38 BoogieIcfgContainer [2021-11-23 16:51:38,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:51:38,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:51:38,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:51:38,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:51:38,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:51:35" (1/3) ... [2021-11-23 16:51:38,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d8360f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:51:38, skipping insertion in model container [2021-11-23 16:51:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:36" (2/3) ... [2021-11-23 16:51:38,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d8360f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:51:38, skipping insertion in model container [2021-11-23 16:51:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:51:38" (3/3) ... [2021-11-23 16:51:38,540 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product26.cil.c [2021-11-23 16:51:38,546 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:51:38,546 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:51:38,605 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:51:38,614 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 [2021-11-23 16:51:38,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:51:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 319 states have (on average 1.5517241379310345) internal successors, (495), 324 states have internal predecessors, (495), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2021-11-23 16:51:38,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 16:51:38,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:51:38,684 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:51:38,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:51:38,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:51:38,692 INFO L85 PathProgramCache]: Analyzing trace with hash 600490209, now seen corresponding path program 1 times [2021-11-23 16:51:38,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:51:38,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098142321] [2021-11-23 16:51:38,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:51:38,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:51:38,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:51:38,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:51:38,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:51:38,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:51:39,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:51:39,078 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:51:39,082 INFO L158 Benchmark]: Toolchain (without parser) took 3769.92ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 33.2MB in the beginning and 29.2MB in the end (delta: 3.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-23 16:51:39,083 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:51:39,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1316.98ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 33.0MB in the beginning and 50.8MB in the end (delta: -17.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2021-11-23 16:51:39,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.28ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 44.9MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:39,086 INFO L158 Benchmark]: Boogie Preprocessor took 109.47ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 39.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:51:39,086 INFO L158 Benchmark]: RCFGBuilder took 1626.07ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 44.7MB in the end (delta: -4.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-23 16:51:39,087 INFO L158 Benchmark]: TraceAbstraction took 548.03ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 29.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 16:51:39,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1316.98ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 33.0MB in the beginning and 50.8MB in the end (delta: -17.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.28ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 44.9MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.47ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 39.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1626.07ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 44.7MB in the end (delta: -4.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 548.03ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 29.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:51:39,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605644fb-89dc-455b-b062-81fa4b510ff9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable