./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product27.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_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/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_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/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_d540a074-35b0-4c66-afb4-46d12cffb5b0/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 1c4d0e54eab5e94cf1a4af64165a2546f1c45e063bd8600195a743522777000c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:40:13,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:40:13,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:40:13,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:40:13,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:40:13,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:40:13,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:40:13,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:40:13,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:40:13,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:40:13,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:40:13,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:40:13,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:40:13,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:40:13,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:40:13,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:40:13,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:40:13,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:40:13,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:40:13,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:40:13,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:40:13,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:40:13,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:40:13,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:40:13,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:40:13,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:40:13,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:40:13,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:40:13,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:40:13,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:40:13,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:40:13,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:40:13,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:40:13,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:40:13,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:40:13,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:40:13,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:40:13,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:40:13,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:40:13,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:40:13,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:40:13,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:40:14,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:40:14,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:40:14,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:40:14,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:40:14,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:40:14,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:40:14,006 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:40:14,006 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:40:14,007 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:40:14,007 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:40:14,008 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:40:14,009 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:40:14,009 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:40:14,009 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:40:14,009 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:40:14,010 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:40:14,010 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:40:14,010 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:40:14,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:40:14,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:40:14,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:40:14,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:40:14,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:40:14,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:40:14,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:40:14,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:40:14,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:40:14,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:40:14,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:40:14,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:40:14,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:40:14,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:40:14,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:40:14,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:40:14,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:40:14,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:40:14,016 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:40:14,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:40:14,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:40:14,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:40:14,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:40:14,017 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_d540a074-35b0-4c66-afb4-46d12cffb5b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c4d0e54eab5e94cf1a4af64165a2546f1c45e063bd8600195a743522777000c [2021-11-23 17:40:14,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:40:14,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:40:14,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:40:14,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:40:14,386 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:40:14,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec3_product27.cil.c [2021-11-23 17:40:14,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data/251b3dce2/485d1f82d20c4b448cdd2c99c1d23cdb/FLAGce78d72d8 [2021-11-23 17:40:15,279 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:40:15,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/sv-benchmarks/c/product-lines/email_spec3_product27.cil.c [2021-11-23 17:40:15,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data/251b3dce2/485d1f82d20c4b448cdd2c99c1d23cdb/FLAGce78d72d8 [2021-11-23 17:40:15,437 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data/251b3dce2/485d1f82d20c4b448cdd2c99c1d23cdb [2021-11-23 17:40:15,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:40:15,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:40:15,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:40:15,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:40:15,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:40:15,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:40:15" (1/1) ... [2021-11-23 17:40:15,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661e8cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:15, skipping insertion in model container [2021-11-23 17:40:15,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:40:15" (1/1) ... [2021-11-23 17:40:15,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:40:15,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:40:16,273 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_d540a074-35b0-4c66-afb4-46d12cffb5b0/sv-benchmarks/c/product-lines/email_spec3_product27.cil.c[40661,40674] [2021-11-23 17:40:16,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:16,349 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:40:16,444 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_d540a074-35b0-4c66-afb4-46d12cffb5b0/sv-benchmarks/c/product-lines/email_spec3_product27.cil.c[40661,40674] [2021-11-23 17:40:16,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:16,542 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:40:16,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16 WrapperNode [2021-11-23 17:40:16,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:40:16,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:40:16,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:40:16,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:40:16,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,698 INFO L137 Inliner]: procedures = 134, calls = 237, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1100 [2021-11-23 17:40:16,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:40:16,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:40:16,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:40:16,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:40:16,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:40:16,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:40:16,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:40:16,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:40:16,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:16" (1/1) ... [2021-11-23 17:40:16,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:40:16,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:40:16,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:40:16,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:40:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 17:40:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 17:40:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 17:40:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 17:40:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:40:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:40:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-11-23 17:40:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-11-23 17:40:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:40:16,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:40:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:40:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:40:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:40:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:40:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:40:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:40:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:40:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:40:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:40:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:40:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:40:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:40:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:40:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:40:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:40:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:40:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:40:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:40:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:40:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:40:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 17:40:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 17:40:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:40:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:40:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:40:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:40:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:40:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:40:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:40:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:40:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:40:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:40:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:40:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:40:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:40:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:40:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:40:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:40:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:40:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:40:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:40:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 17:40:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 17:40:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:40:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:40:17,170 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:40:17,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:40:18,287 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:40:18,371 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 17:40:18,384 INFO L158 Benchmark]: Toolchain (without parser) took 2939.05ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 61.0MB in the beginning and 79.2MB in the end (delta: -18.1MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2021-11-23 17:40:18,385 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:40:18,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1099.40ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 60.9MB in the beginning and 92.3MB in the end (delta: -31.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:40:18,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.88ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 86.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:40:18,391 INFO L158 Benchmark]: Boogie Preprocessor took 97.22ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 81.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:40:18,392 INFO L158 Benchmark]: RCFGBuilder took 1582.16ms. Allocated memory is still 144.7MB. Free memory was 81.0MB in the beginning and 79.2MB in the end (delta: 1.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-11-23 17:40:18,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1099.40ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 60.9MB in the beginning and 92.3MB in the end (delta: -31.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.88ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 86.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.22ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 81.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1582.16ms. Allocated memory is still 144.7MB. Free memory was 81.0MB in the beginning and 79.2MB in the end (delta: 1.8MB). Peak memory consumption was 36.9MB. 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 17:40:18,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/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_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/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_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/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_d540a074-35b0-4c66-afb4-46d12cffb5b0/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 1c4d0e54eab5e94cf1a4af64165a2546f1c45e063bd8600195a743522777000c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:40:21,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:40:21,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:40:21,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:40:21,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:40:21,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:40:21,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:40:21,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:40:21,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:40:21,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:40:21,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:40:21,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:40:21,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:40:21,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:40:21,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:40:21,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:40:21,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:40:21,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:40:21,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:40:21,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:40:21,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:40:21,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:40:21,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:40:21,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:40:21,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:40:21,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:40:21,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:40:21,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:40:21,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:40:21,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:40:21,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:40:21,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:40:21,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:40:21,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:40:21,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:40:21,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:40:21,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:40:21,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:40:21,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:40:21,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:40:21,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:40:21,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:40:21,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:40:21,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:40:21,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:40:21,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:40:21,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:40:21,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:40:21,745 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:40:21,745 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:40:21,746 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:40:21,746 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:40:21,747 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:40:21,748 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:40:21,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:40:21,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:40:21,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:40:21,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:40:21,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:40:21,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:40:21,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:40:21,751 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:40:21,751 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:40:21,752 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:40:21,752 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:40:21,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:40:21,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:40:21,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:40:21,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:40:21,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:40:21,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:40:21,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:40:21,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:40:21,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:40:21,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:40:21,755 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:40:21,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:40:21,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:40:21,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:40:21,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:40:21,756 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_d540a074-35b0-4c66-afb4-46d12cffb5b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c4d0e54eab5e94cf1a4af64165a2546f1c45e063bd8600195a743522777000c [2021-11-23 17:40:22,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:40:22,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:40:22,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:40:22,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:40:22,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:40:22,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec3_product27.cil.c [2021-11-23 17:40:22,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data/120c85ac3/9b7bb092fcd1407a964a2d9df4a1c362/FLAG338ed3de8 [2021-11-23 17:40:23,216 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:40:23,217 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/sv-benchmarks/c/product-lines/email_spec3_product27.cil.c [2021-11-23 17:40:23,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data/120c85ac3/9b7bb092fcd1407a964a2d9df4a1c362/FLAG338ed3de8 [2021-11-23 17:40:23,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/data/120c85ac3/9b7bb092fcd1407a964a2d9df4a1c362 [2021-11-23 17:40:23,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:40:23,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:40:23,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:40:23,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:40:23,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:40:23,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:40:23" (1/1) ... [2021-11-23 17:40:23,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed4e5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:23, skipping insertion in model container [2021-11-23 17:40:23,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:40:23" (1/1) ... [2021-11-23 17:40:23,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:40:23,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:40:24,454 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_d540a074-35b0-4c66-afb4-46d12cffb5b0/sv-benchmarks/c/product-lines/email_spec3_product27.cil.c[40661,40674] [2021-11-23 17:40:24,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:24,596 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:40:24,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:40:24,717 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_d540a074-35b0-4c66-afb4-46d12cffb5b0/sv-benchmarks/c/product-lines/email_spec3_product27.cil.c[40661,40674] [2021-11-23 17:40:24,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:24,779 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:40:24,843 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_d540a074-35b0-4c66-afb4-46d12cffb5b0/sv-benchmarks/c/product-lines/email_spec3_product27.cil.c[40661,40674] [2021-11-23 17:40:24,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:24,912 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:40:24,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24 WrapperNode [2021-11-23 17:40:24,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:40:24,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:40:24,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:40:24,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:40:24,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,077 INFO L137 Inliner]: procedures = 136, calls = 237, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1040 [2021-11-23 17:40:25,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:40:25,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:40:25,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:40:25,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:40:25,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:40:25,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:40:25,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:40:25,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:40:25,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (1/1) ... [2021-11-23 17:40:25,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:40:25,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:40:25,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:40:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:40:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 17:40:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 17:40:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 17:40:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 17:40:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:40:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:40:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-11-23 17:40:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-11-23 17:40:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:40:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:40:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:40:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:40:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:40:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:40:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:40:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:40:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:40:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:40:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:40:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:40:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:40:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:40:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:40:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:40:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:40:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:40:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:40:25,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:40:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:40:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:40:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 17:40:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 17:40:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:40:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:40:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:40:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:40:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:40:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:40:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:40:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:40:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:40:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:40:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:40:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:40:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:40:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:40:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:40:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:40:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:40:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:40:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:40:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 17:40:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 17:40:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:40:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:40:25,758 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:40:25,761 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:40:27,044 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:40:27,068 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:40:27,069 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:40:27,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:40:27 BoogieIcfgContainer [2021-11-23 17:40:27,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:40:27,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:40:27,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:40:27,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:40:27,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:40:23" (1/3) ... [2021-11-23 17:40:27,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d15981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:40:27, skipping insertion in model container [2021-11-23 17:40:27,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:24" (2/3) ... [2021-11-23 17:40:27,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d15981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:40:27, skipping insertion in model container [2021-11-23 17:40:27,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:40:27" (3/3) ... [2021-11-23 17:40:27,089 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product27.cil.c [2021-11-23 17:40:27,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:40:27,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:40:27,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:40:27,168 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 17:40:27,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:40:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 420 states, 327 states have (on average 1.5535168195718654) internal successors, (508), 332 states have internal predecessors, (508), 66 states have call successors, (66), 25 states have call predecessors, (66), 25 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2021-11-23 17:40:27,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 17:40:27,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:40:27,249 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-11-23 17:40:27,250 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:40:27,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:40:27,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1160694730, now seen corresponding path program 1 times [2021-11-23 17:40:27,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:40:27,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248120550] [2021-11-23 17:40:27,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:40:27,286 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:40:27,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:40:27,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:40:27,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:40:27,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:40:27,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:40:27,657 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 17:40:27,665 INFO L158 Benchmark]: Toolchain (without parser) took 4276.18ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 39.8MB in the beginning and 56.8MB in the end (delta: -17.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-11-23 17:40:27,666 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:40:27,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1516.12ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 39.6MB in the beginning and 42.5MB in the end (delta: -2.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-23 17:40:27,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.18ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 59.8MB in the end (delta: -17.3MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-11-23 17:40:27,672 INFO L158 Benchmark]: Boogie Preprocessor took 158.31ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 54.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:40:27,677 INFO L158 Benchmark]: RCFGBuilder took 1835.89ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 54.7MB in the beginning and 72.4MB in the end (delta: -17.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 17:40:27,680 INFO L158 Benchmark]: TraceAbstraction took 586.29ms. Allocated memory is still 107.0MB. Free memory was 72.4MB in the beginning and 56.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:40:27,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1516.12ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 39.6MB in the beginning and 42.5MB in the end (delta: -2.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.18ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 59.8MB in the end (delta: -17.3MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.31ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 54.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1835.89ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 54.7MB in the beginning and 72.4MB in the end (delta: -17.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * TraceAbstraction took 586.29ms. Allocated memory is still 107.0MB. Free memory was 72.4MB in the beginning and 56.8MB in the end (delta: 15.6MB). 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 17:40:27,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d540a074-35b0-4c66-afb4-46d12cffb5b0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable