./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product28.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_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/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_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/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_1244c493-63cb-4a06-a129-455d20febf21/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 459b394196a1606fd18d87736056d8c2e811f354c9c1071577c3ccd936910200 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:51,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:51,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:51,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:51,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:51,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:51,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:51,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:51,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:51,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:51,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:51,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:51,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:51,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:51,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:51,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:51,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:51,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:51,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:51,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:51,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:51,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:51,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:51,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:51,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:51,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:51,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:51,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:51,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:51,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:51,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:51,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:51,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:51,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:51,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:51,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:51,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:51,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:51,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:51,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:51,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:51,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:44:51,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:51,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:51,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:51,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:51,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:51,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:51,163 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:51,164 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:51,164 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:51,164 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:44:51,165 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:51,165 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:51,165 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:44:51,166 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:44:51,166 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:51,166 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:44:51,166 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:44:51,166 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:44:51,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:51,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:51,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:51,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:51,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:51,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:51,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:51,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:51,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:51,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:51,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:51,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:51,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:51,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:51,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:51,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:51,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:51,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:51,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:44:51,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:44:51,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:51,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:51,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:51,171 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_1244c493-63cb-4a06-a129-455d20febf21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459b394196a1606fd18d87736056d8c2e811f354c9c1071577c3ccd936910200 [2021-11-23 16:44:51,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:51,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:51,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:51,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:51,433 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:51,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c [2021-11-23 16:44:51,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data/8efdd52c6/a4e9516934e64bc2b43fdd9244ad8e9e/FLAGbadf9032d [2021-11-23 16:44:52,128 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:52,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c [2021-11-23 16:44:52,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data/8efdd52c6/a4e9516934e64bc2b43fdd9244ad8e9e/FLAGbadf9032d [2021-11-23 16:44:52,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data/8efdd52c6/a4e9516934e64bc2b43fdd9244ad8e9e [2021-11-23 16:44:52,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:52,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:52,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:52,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:52,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:52,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80db737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52, skipping insertion in model container [2021-11-23 16:44:52,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:52,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:52,989 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_1244c493-63cb-4a06-a129-455d20febf21/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c[29342,29355] [2021-11-23 16:44:53,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:53,206 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:53,273 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_1244c493-63cb-4a06-a129-455d20febf21/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c[29342,29355] [2021-11-23 16:44:53,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:53,377 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:44:53,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53 WrapperNode [2021-11-23 16:44:53,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:53,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:53,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:44:53,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:44:53,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,517 INFO L137 Inliner]: procedures = 129, calls = 213, calls flagged for inlining = 56, calls inlined = 46, statements flattened = 868 [2021-11-23 16:44:53,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:53,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:44:53,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:44:53,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:44:53,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:44:53,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:44:53,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:44:53,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:44:53,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:53,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:53,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:44:53,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:44:53,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:44:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:44:53,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:44:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:44:53,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:44:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:44:53,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:44:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:44:53,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:44:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:44:53,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:44:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:44:53,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:44:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:44:53,690 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:44:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:44:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:44:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:44:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:44:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:44:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:44:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:44:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:44:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:44:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:44:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:44:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:44:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:44:53,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:44:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:44:53,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:44:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:44:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:44:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:44:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:44:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:44:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:44:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:44:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:44:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:44:53,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:44:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:44:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:44:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:44:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:44:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:44:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:44:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:44:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:44:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:44:53,964 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:44:53,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:44:54,747 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:44:54,833 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 16:44:54,839 INFO L158 Benchmark]: Toolchain (without parser) took 2441.62ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 47.9MB in the beginning and 35.7MB in the end (delta: 12.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2021-11-23 16:44:54,840 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:54,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 976.23ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 47.8MB in the beginning and 54.1MB in the end (delta: -6.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 16:44:54,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.99ms. Allocated memory is still 107.0MB. Free memory was 54.1MB in the beginning and 49.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:44:54,844 INFO L158 Benchmark]: Boogie Preprocessor took 72.09ms. Allocated memory is still 107.0MB. Free memory was 49.0MB in the beginning and 44.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:44:54,845 INFO L158 Benchmark]: RCFGBuilder took 1244.33ms. Allocated memory is still 107.0MB. Free memory was 44.8MB in the beginning and 35.7MB in the end (delta: 9.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-23 16:44:54,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 976.23ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 47.8MB in the beginning and 54.1MB in the end (delta: -6.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.99ms. Allocated memory is still 107.0MB. Free memory was 54.1MB in the beginning and 49.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.09ms. Allocated memory is still 107.0MB. Free memory was 49.0MB in the beginning and 44.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1244.33ms. Allocated memory is still 107.0MB. Free memory was 44.8MB in the beginning and 35.7MB in the end (delta: 9.0MB). Peak memory consumption was 12.8MB. 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 16:44:54,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/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_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/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_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/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_1244c493-63cb-4a06-a129-455d20febf21/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 459b394196a1606fd18d87736056d8c2e811f354c9c1071577c3ccd936910200 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:57,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:57,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:57,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:57,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:57,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:57,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:57,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:57,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:57,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:57,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:57,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:57,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:57,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:57,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:57,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:57,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:57,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:57,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:57,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:57,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:57,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:57,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:57,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:57,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:57,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:57,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:57,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:57,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:57,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:57,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:57,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:57,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:57,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:57,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:57,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:57,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:57,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:57,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:57,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:57,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:57,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:44:57,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:57,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:57,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:57,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:57,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:57,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:57,490 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:57,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:57,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:57,490 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:57,492 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:57,492 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:57,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:57,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:57,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:57,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:57,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:57,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:57,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:57,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:44:57,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:44:57,495 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:44:57,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:57,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:57,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:57,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:57,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:57,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:44:57,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:57,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:57,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:57,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:57,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:57,499 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:44:57,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:44:57,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:57,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:57,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:57,500 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_1244c493-63cb-4a06-a129-455d20febf21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459b394196a1606fd18d87736056d8c2e811f354c9c1071577c3ccd936910200 [2021-11-23 16:44:57,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:57,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:57,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:57,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:57,898 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:57,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c [2021-11-23 16:44:57,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data/84b9377d8/683b4477fdef44f5b8b41a5e979084c9/FLAGcc9d2a2db [2021-11-23 16:44:58,737 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:58,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c [2021-11-23 16:44:58,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data/84b9377d8/683b4477fdef44f5b8b41a5e979084c9/FLAGcc9d2a2db [2021-11-23 16:44:58,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/data/84b9377d8/683b4477fdef44f5b8b41a5e979084c9 [2021-11-23 16:44:58,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:58,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:58,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:58,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:58,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:58,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae16cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58, skipping insertion in model container [2021-11-23 16:44:58,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:58,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:59,415 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_1244c493-63cb-4a06-a129-455d20febf21/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c[29342,29355] [2021-11-23 16:44:59,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:59,710 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:44:59,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:59,783 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_1244c493-63cb-4a06-a129-455d20febf21/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c[29342,29355] [2021-11-23 16:44:59,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:59,839 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:59,906 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_1244c493-63cb-4a06-a129-455d20febf21/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c[29342,29355] [2021-11-23 16:44:59,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:00,025 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:45:00,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00 WrapperNode [2021-11-23 16:45:00,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:00,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:00,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:45:00,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:45:00,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,172 INFO L137 Inliner]: procedures = 131, calls = 213, calls flagged for inlining = 56, calls inlined = 46, statements flattened = 820 [2021-11-23 16:45:00,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:00,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:00,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:00,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:00,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:00,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:00,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:00,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:00,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:00,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:00,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:00,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:45:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:45:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:45:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:45:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:45:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:45:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:45:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:45:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:45:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:45:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:45:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:45:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:45:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:45:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:45:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:45:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:45:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:45:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:45:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:45:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:45:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:45:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:45:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:45:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:45:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:45:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:45:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:45:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:45:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:45:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:45:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:45:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:45:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:45:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:45:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:45:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:45:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:45:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:45:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:45:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:45:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:45:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:45:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:45:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:45:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:45:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:00,556 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:00,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:45:01,570 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:45:01,588 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:45:01,588 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:45:01,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:45:01 BoogieIcfgContainer [2021-11-23 16:45:01,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:45:01,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:45:01,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:45:01,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:45:01,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:44:58" (1/3) ... [2021-11-23 16:45:01,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1057fe5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:45:01, skipping insertion in model container [2021-11-23 16:45:01,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00" (2/3) ... [2021-11-23 16:45:01,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1057fe5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:45:01, skipping insertion in model container [2021-11-23 16:45:01,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:45:01" (3/3) ... [2021-11-23 16:45:01,604 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product28.cil.c [2021-11-23 16:45:01,610 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:45:01,611 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:45:01,679 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:45:01,686 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 16:45:01,686 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:45:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 328 states, 254 states have (on average 1.5196850393700787) internal successors, (386), 258 states have internal predecessors, (386), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-11-23 16:45:01,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 16:45:01,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:45:01,739 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-11-23 16:45:01,740 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:45:01,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:45:01,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1688169557, now seen corresponding path program 1 times [2021-11-23 16:45:01,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:45:01,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92175963] [2021-11-23 16:45:01,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:45:01,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:45:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:45:01,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:45:01,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:45:01,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:45:02,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:45:02,101 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 16:45:02,108 INFO L158 Benchmark]: Toolchain (without parser) took 3234.44ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 58.8MB in the end (delta: -15.1MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:02,110 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:02,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1151.74ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.5MB in the beginning and 46.8MB in the end (delta: -3.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-11-23 16:45:02,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.57ms. Allocated memory is still 90.2MB. Free memory was 46.8MB in the beginning and 68.4MB in the end (delta: -21.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 16:45:02,113 INFO L158 Benchmark]: Boogie Preprocessor took 75.39ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 64.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:02,115 INFO L158 Benchmark]: RCFGBuilder took 1343.48ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 46.0MB in the end (delta: 18.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-11-23 16:45:02,119 INFO L158 Benchmark]: TraceAbstraction took 512.28ms. Allocated memory is still 90.2MB. Free memory was 45.5MB in the beginning and 58.8MB in the end (delta: -13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 16:45:02,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1151.74ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.5MB in the beginning and 46.8MB in the end (delta: -3.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.57ms. Allocated memory is still 90.2MB. Free memory was 46.8MB in the beginning and 68.4MB in the end (delta: -21.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.39ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 64.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1343.48ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 46.0MB in the end (delta: 18.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * TraceAbstraction took 512.28ms. Allocated memory is still 90.2MB. Free memory was 45.5MB in the beginning and 58.8MB in the end (delta: -13.3MB). Peak memory consumption was 16.8MB. 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 16:45:02,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1244c493-63cb-4a06-a129-455d20febf21/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