./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product34.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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:45:50,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:45:50,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:45:50,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:45:50,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:45:50,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:45:50,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:45:50,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:45:50,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:45:50,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:45:50,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:45:50,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:45:50,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:45:50,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:45:50,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:45:50,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:45:50,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:45:50,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:45:50,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:45:50,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:45:50,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:45:50,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:45:50,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:45:50,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:45:50,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:45:50,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:45:50,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:45:50,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:45:50,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:45:50,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:45:50,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:45:50,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:45:50,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:45:50,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:45:50,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:45:50,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:45:50,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:45:50,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:45:51,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:45:51,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:45:51,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:45:51,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:45:51,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:45:51,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:45:51,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:45:51,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:45:51,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:45:51,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:45:51,030 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:45:51,030 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:45:51,030 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:45:51,031 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:45:51,031 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:45:51,031 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:45:51,031 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:45:51,031 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:45:51,032 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:45:51,032 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:45:51,032 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:45:51,032 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:45:51,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:45:51,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:45:51,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:45:51,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:45:51,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:45:51,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:45:51,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:45:51,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:45:51,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:45:51,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:45:51,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:45:51,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:45:51,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:45:51,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:45:51,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:51,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:45:51,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:45:51,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:45:51,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:45:51,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:45:51,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:45:51,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:45:51,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:45:51,038 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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec [2021-11-23 16:45:51,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:45:51,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:45:51,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:45:51,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:45:51,399 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:45:51,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2021-11-23 16:45:51,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data/f516f0379/0fea022ff22949e5a298a5ce43b2bdd8/FLAG1330c9ca4 [2021-11-23 16:45:52,208 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:45:52,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2021-11-23 16:45:52,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data/f516f0379/0fea022ff22949e5a298a5ce43b2bdd8/FLAG1330c9ca4 [2021-11-23 16:45:52,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data/f516f0379/0fea022ff22949e5a298a5ce43b2bdd8 [2021-11-23 16:45:52,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:45:52,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:45:52,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:52,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:45:52,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:45:52,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:52" (1/1) ... [2021-11-23 16:45:52,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2218e441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:52, skipping insertion in model container [2021-11-23 16:45:52,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:52" (1/1) ... [2021-11-23 16:45:52,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:45:52,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:52,718 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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c[1542,1555] [2021-11-23 16:45:53,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:53,281 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:45:53,308 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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c[1542,1555] [2021-11-23 16:45:53,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:53,479 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:45:53,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53 WrapperNode [2021-11-23 16:45:53,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:53,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:53,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:45:53,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:45:53,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,592 INFO L137 Inliner]: procedures = 134, calls = 237, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1096 [2021-11-23 16:45:53,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:53,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:53,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:53,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:53,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:53,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:53,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:53,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:53,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:53" (1/1) ... [2021-11-23 16:45:53,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:53,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:53,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:53,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:45:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:45:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 16:45:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 16:45:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:45:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:45:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 16:45:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 16:45:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:45:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:45:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:45:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:45:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:45:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:45:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:45:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:45:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:45:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:45:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:45:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:45:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:45:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:45:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:45:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:45:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:45:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:45:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:45:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:45:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:45:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:45:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:45:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:45:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:45:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 16:45:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 16:45:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:45:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:45:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:45:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:45:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:45:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:45:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-11-23 16:45:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-11-23 16:45:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:45:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:45:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:45:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:45:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:45:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:45:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:45:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:45:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:45:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:45:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:45:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:45:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:45:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 16:45:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 16:45:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:54,153 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:54,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:45:55,176 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:45:55,258 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 16:45:55,266 INFO L158 Benchmark]: Toolchain (without parser) took 2876.25ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 73.4MB in the beginning and 106.8MB in the end (delta: -33.4MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2021-11-23 16:45:55,267 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:55,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.00ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 65.2MB in the end (delta: 8.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-23 16:45:55,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.90ms. Allocated memory is still 119.5MB. Free memory was 65.2MB in the beginning and 58.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:45:55,272 INFO L158 Benchmark]: Boogie Preprocessor took 121.77ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 58.9MB in the beginning and 122.5MB in the end (delta: -63.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:55,273 INFO L158 Benchmark]: RCFGBuilder took 1546.88ms. Allocated memory is still 151.0MB. Free memory was 122.4MB in the beginning and 106.8MB in the end (delta: 15.6MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2021-11-23 16:45:55,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.00ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 65.2MB in the end (delta: 8.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.90ms. Allocated memory is still 119.5MB. Free memory was 65.2MB in the beginning and 58.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.77ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 58.9MB in the beginning and 122.5MB in the end (delta: -63.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1546.88ms. Allocated memory is still 151.0MB. Free memory was 122.4MB in the beginning and 106.8MB in the end (delta: 15.6MB). Peak memory consumption was 56.8MB. 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 16:45:55,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:45:57,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:45:57,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:45:57,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:45:57,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:45:58,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:45:58,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:45:58,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:45:58,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:45:58,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:45:58,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:45:58,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:45:58,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:45:58,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:45:58,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:45:58,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:45:58,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:45:58,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:45:58,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:45:58,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:45:58,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:45:58,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:45:58,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:45:58,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:45:58,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:45:58,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:45:58,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:45:58,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:45:58,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:45:58,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:45:58,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:45:58,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:45:58,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:45:58,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:45:58,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:45:58,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:45:58,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:45:58,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:45:58,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:45:58,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:45:58,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:45:58,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:45:58,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:45:58,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:45:58,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:45:58,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:45:58,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:45:58,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:45:58,145 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:45:58,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:45:58,146 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:45:58,146 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:45:58,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:45:58,147 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:45:58,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:45:58,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:45:58,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:45:58,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:45:58,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:45:58,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:45:58,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:45:58,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:45:58,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:45:58,151 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:45:58,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:45:58,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:45:58,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:45:58,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:45:58,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:45:58,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:45:58,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:45:58,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:58,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:45:58,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:45:58,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:45:58,155 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:45:58,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:45:58,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:45:58,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:45:58,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:45:58,156 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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec [2021-11-23 16:45:58,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:45:58,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:45:58,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:45:58,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:45:58,619 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:45:58,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2021-11-23 16:45:58,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data/c93147798/faba54ef8eee46ada0d69e6e1770e12d/FLAG7f75d9bb1 [2021-11-23 16:45:59,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:45:59,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2021-11-23 16:45:59,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data/c93147798/faba54ef8eee46ada0d69e6e1770e12d/FLAG7f75d9bb1 [2021-11-23 16:45:59,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/data/c93147798/faba54ef8eee46ada0d69e6e1770e12d [2021-11-23 16:45:59,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:45:59,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:45:59,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:59,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:45:59,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:45:59,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:59" (1/1) ... [2021-11-23 16:45:59,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7b196a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:59, skipping insertion in model container [2021-11-23 16:45:59,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:59" (1/1) ... [2021-11-23 16:45:59,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:45:59,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:59,899 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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c[1542,1555] [2021-11-23 16:46:00,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:00,367 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:46:00,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:00,405 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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c[1542,1555] [2021-11-23 16:46:00,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:00,545 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:00,558 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_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c[1542,1555] [2021-11-23 16:46:00,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:00,743 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:00,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00 WrapperNode [2021-11-23 16:46:00,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:00,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:00,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:00,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:00,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,867 INFO L137 Inliner]: procedures = 136, calls = 237, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1033 [2021-11-23 16:46:00,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:00,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:00,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:00,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:00,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:00,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:00,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:00,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:00,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (1/1) ... [2021-11-23 16:46:00,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:00,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:01,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:01,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:46:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:46:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 16:46:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 16:46:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:46:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:46:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 16:46:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 16:46:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:46:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:46:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:46:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:46:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:46:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:46:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:46:01,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:46:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:46:01,102 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:46:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:46:01,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:46:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:46:01,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:46:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:46:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:46:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:46:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:46:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:46:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:46:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:46:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:46:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:46:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:46:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:46:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 16:46:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 16:46:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:46:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:46:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:46:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:46:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:46:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:46:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:46:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-11-23 16:46:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-11-23 16:46:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:46:01,106 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:46:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:46:01,106 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:46:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:46:01,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:46:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:46:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:46:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:46:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:46:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:46:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:46:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 16:46:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 16:46:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:01,442 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:01,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:02,620 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:02,635 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:46:02,635 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:46:02,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:46:02 BoogieIcfgContainer [2021-11-23 16:46:02,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:46:02,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:46:02,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:46:02,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:46:02,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:45:59" (1/3) ... [2021-11-23 16:46:02,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc2596e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:46:02, skipping insertion in model container [2021-11-23 16:46:02,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:00" (2/3) ... [2021-11-23 16:46:02,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc2596e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:46:02, skipping insertion in model container [2021-11-23 16:46:02,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:46:02" (3/3) ... [2021-11-23 16:46:02,647 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product34.cil.c [2021-11-23 16:46:02,653 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:46:02,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:46:02,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:46:02,717 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 16:46:02,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:46:02,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2021-11-23 16:46:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 16:46:02,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:46:02,835 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 16:46:02,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:46:02,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:46:02,842 INFO L85 PathProgramCache]: Analyzing trace with hash 469008212, now seen corresponding path program 1 times [2021-11-23 16:46:02,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:46:02,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16412796] [2021-11-23 16:46:02,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:46:02,860 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:46:02,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:46:02,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:46:02,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:46:03,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:46:03,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:46:03,214 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 16:46:03,219 INFO L158 Benchmark]: Toolchain (without parser) took 3648.57ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 52.8MB in the beginning and 47.8MB in the end (delta: 4.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2021-11-23 16:46:03,219 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:03,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1172.06ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 52.6MB in the beginning and 60.0MB in the end (delta: -7.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 16:46:03,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.39ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 54.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:46:03,223 INFO L158 Benchmark]: Boogie Preprocessor took 104.64ms. Allocated memory is still 100.7MB. Free memory was 54.2MB in the beginning and 77.6MB in the end (delta: -23.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-23 16:46:03,225 INFO L158 Benchmark]: RCFGBuilder took 1662.84ms. Allocated memory is still 100.7MB. Free memory was 77.6MB in the beginning and 64.1MB in the end (delta: 13.5MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2021-11-23 16:46:03,229 INFO L158 Benchmark]: TraceAbstraction took 576.35ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 47.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 16:46:03,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1172.06ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 52.6MB in the beginning and 60.0MB in the end (delta: -7.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.39ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 54.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.64ms. Allocated memory is still 100.7MB. Free memory was 54.2MB in the beginning and 77.6MB in the end (delta: -23.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1662.84ms. Allocated memory is still 100.7MB. Free memory was 77.6MB in the beginning and 64.1MB in the end (delta: 13.5MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * TraceAbstraction took 576.35ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 47.8MB 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 16:46:03,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5bcf3f2-8ab7-42e9-a036-59c024abaf0c/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