./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product31.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_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/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_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/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_03c359bb-a892-44ff-a33c-9ff59f7d8678/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 aa31ba7b6b6c5a20100c4ed7bd6bb53a6560ae9fc8557479e094a44cc1bad058 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:11,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:11,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:11,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:11,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:11,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:11,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:11,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:11,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:11,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:11,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:11,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:11,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:11,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:11,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:11,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:11,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:11,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:12,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:12,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:12,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:12,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:12,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:12,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:12,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:12,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:12,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:12,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:12,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:12,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:12,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:12,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:12,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:12,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:12,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:12,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:12,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:12,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:12,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:12,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:12,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:12,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:47:12,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:12,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:12,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:12,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:12,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:12,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:12,097 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:12,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:12,097 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:12,097 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:47:12,099 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:12,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:12,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:47:12,100 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:47:12,100 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:12,100 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:47:12,100 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:47:12,101 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:47:12,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:12,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:12,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:12,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:12,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:12,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:12,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:12,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:12,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:12,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:12,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:12,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:12,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:12,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:12,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:12,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:12,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:12,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:12,107 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:47:12,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:47:12,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:12,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:12,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:12,109 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_03c359bb-a892-44ff-a33c-9ff59f7d8678/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa31ba7b6b6c5a20100c4ed7bd6bb53a6560ae9fc8557479e094a44cc1bad058 [2021-11-23 16:47:12,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:12,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:12,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:12,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:12,432 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:12,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c [2021-11-23 16:47:12,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data/fd35ed927/38abf1a847bb4ee995c882083fd535e8/FLAGff33b0cdc [2021-11-23 16:47:13,143 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:13,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c [2021-11-23 16:47:13,190 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data/fd35ed927/38abf1a847bb4ee995c882083fd535e8/FLAGff33b0cdc [2021-11-23 16:47:13,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data/fd35ed927/38abf1a847bb4ee995c882083fd535e8 [2021-11-23 16:47:13,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:13,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:13,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:13,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:13,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:13,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:13" (1/1) ... [2021-11-23 16:47:13,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d38f257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:13, skipping insertion in model container [2021-11-23 16:47:13,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:13" (1/1) ... [2021-11-23 16:47:13,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:13,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:14,052 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_03c359bb-a892-44ff-a33c-9ff59f7d8678/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c[36672,36685] [2021-11-23 16:47:14,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:14,196 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:14,312 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_03c359bb-a892-44ff-a33c-9ff59f7d8678/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c[36672,36685] [2021-11-23 16:47:14,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:14,398 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:14,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14 WrapperNode [2021-11-23 16:47:14,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:14,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:14,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:14,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:14,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,556 INFO L137 Inliner]: procedures = 132, calls = 223, calls flagged for inlining = 62, calls inlined = 57, statements flattened = 1032 [2021-11-23 16:47:14,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:14,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:14,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:14,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:14,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:14,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:14,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:14,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:14,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:14" (1/1) ... [2021-11-23 16:47:14,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:14,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:14,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:14,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:47:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:47:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:47:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:47:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:47:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:47:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:47:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:47:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:47:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:47:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:47:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:47:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:47:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:47:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:47:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:47:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:47:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:47:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:47:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:47:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:47:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:47:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:47:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:47:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:47:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:47:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:47:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:47:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:47:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:47:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:47:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:47:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:47:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:47:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:47:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:47:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:47:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:47:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:47:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:47:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:47:14,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:47:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:47:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:47:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:47:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:47:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:47:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:47:14,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:15,098 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:15,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:16,036 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:16,149 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 16:47:16,155 INFO L158 Benchmark]: Toolchain (without parser) took 2727.44ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 70.4MB in the beginning and 108.6MB in the end (delta: -38.3MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2021-11-23 16:47:16,156 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:16,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.34ms. Allocated memory is still 115.3MB. Free memory was 70.1MB in the beginning and 62.1MB in the end (delta: 8.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-23 16:47:16,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.26ms. Allocated memory is still 115.3MB. Free memory was 61.7MB in the beginning and 55.8MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:16,161 INFO L158 Benchmark]: Boogie Preprocessor took 99.78ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 55.8MB in the beginning and 120.4MB in the end (delta: -64.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:16,162 INFO L158 Benchmark]: RCFGBuilder took 1494.54ms. Allocated memory is still 148.9MB. Free memory was 120.4MB in the beginning and 108.6MB in the end (delta: 11.8MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2021-11-23 16:47:16,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.34ms. Allocated memory is still 115.3MB. Free memory was 70.1MB in the beginning and 62.1MB in the end (delta: 8.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.26ms. Allocated memory is still 115.3MB. Free memory was 61.7MB in the beginning and 55.8MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.78ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 55.8MB in the beginning and 120.4MB in the end (delta: -64.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1494.54ms. Allocated memory is still 148.9MB. Free memory was 120.4MB in the beginning and 108.6MB in the end (delta: 11.8MB). Peak memory consumption was 52.8MB. 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 16:47:16,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/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_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/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_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/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_03c359bb-a892-44ff-a33c-9ff59f7d8678/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 aa31ba7b6b6c5a20100c4ed7bd6bb53a6560ae9fc8557479e094a44cc1bad058 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:18,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:18,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:18,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:18,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:18,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:18,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:18,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:18,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:18,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:18,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:18,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:18,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:18,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:18,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:18,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:18,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:18,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:18,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:18,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:18,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:19,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:19,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:19,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:19,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:19,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:19,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:19,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:19,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:19,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:19,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:19,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:19,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:19,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:19,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:19,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:19,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:19,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:19,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:19,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:19,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:19,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:47:19,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:19,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:19,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:19,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:19,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:19,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:19,060 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:19,061 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:19,061 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:19,061 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:19,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:19,062 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:19,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:19,063 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:19,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:19,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:19,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:19,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:19,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:19,065 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:47:19,065 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:47:19,065 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:47:19,065 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:19,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:19,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:19,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:19,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:19,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:47:19,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:19,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:19,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:19,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:19,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:19,069 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:47:19,069 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:47:19,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:19,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:19,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:19,070 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_03c359bb-a892-44ff-a33c-9ff59f7d8678/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa31ba7b6b6c5a20100c4ed7bd6bb53a6560ae9fc8557479e094a44cc1bad058 [2021-11-23 16:47:19,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:19,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:19,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:19,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:19,527 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:19,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c [2021-11-23 16:47:19,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data/cf385193a/f82ddc705e424fed9d1a6ea307ea040a/FLAGc4e61781c [2021-11-23 16:47:20,490 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:20,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c [2021-11-23 16:47:20,521 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data/cf385193a/f82ddc705e424fed9d1a6ea307ea040a/FLAGc4e61781c [2021-11-23 16:47:20,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/data/cf385193a/f82ddc705e424fed9d1a6ea307ea040a [2021-11-23 16:47:20,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:20,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:20,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:20,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:20,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:20,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:20" (1/1) ... [2021-11-23 16:47:20,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5171df52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:20, skipping insertion in model container [2021-11-23 16:47:20,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:20" (1/1) ... [2021-11-23 16:47:20,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:20,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:21,319 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_03c359bb-a892-44ff-a33c-9ff59f7d8678/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c[36672,36685] [2021-11-23 16:47:21,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:21,517 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:47:21,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:21,612 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_03c359bb-a892-44ff-a33c-9ff59f7d8678/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c[36672,36685] [2021-11-23 16:47:21,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:21,679 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:21,734 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_03c359bb-a892-44ff-a33c-9ff59f7d8678/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c[36672,36685] [2021-11-23 16:47:21,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:21,816 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:21,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21 WrapperNode [2021-11-23 16:47:21,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:21,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:21,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:21,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:21,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,936 INFO L137 Inliner]: procedures = 134, calls = 223, calls flagged for inlining = 62, calls inlined = 57, statements flattened = 974 [2021-11-23 16:47:21,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:21,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:21,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:21,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:21,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:22,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:22,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:22,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:22,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:22,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:22,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:22,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:22,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:22,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:22,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:22,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:22,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:47:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:47:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:47:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:47:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:47:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:47:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:47:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:47:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:47:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:47:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:47:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:47:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:47:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:47:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:47:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:47:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:47:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:47:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:47:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:47:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:47:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:47:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:47:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:47:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:47:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:47:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:47:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:47:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:47:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:47:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:47:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:47:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:47:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:47:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:47:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:47:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:47:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:47:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:47:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:47:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:47:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:47:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:47:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:47:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:47:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:47:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:47:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:47:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:22,515 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:22,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:23,579 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:23,597 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:47:23,597 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:47:23,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:47:23 BoogieIcfgContainer [2021-11-23 16:47:23,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:47:23,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:47:23,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:47:23,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:47:23,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:47:20" (1/3) ... [2021-11-23 16:47:23,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b15041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:47:23, skipping insertion in model container [2021-11-23 16:47:23,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (2/3) ... [2021-11-23 16:47:23,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b15041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:47:23, skipping insertion in model container [2021-11-23 16:47:23,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:47:23" (3/3) ... [2021-11-23 16:47:23,628 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product31.cil.c [2021-11-23 16:47:23,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:47:23,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:47:23,709 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:47:23,726 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 16:47:23,727 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:47:23,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 370 states, 286 states have (on average 1.5) internal successors, (429), 290 states have internal predecessors, (429), 59 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2021-11-23 16:47:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 16:47:23,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:47:23,811 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, 1, 1, 1] [2021-11-23 16:47:23,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:47:23,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:47:23,817 INFO L85 PathProgramCache]: Analyzing trace with hash -873528409, now seen corresponding path program 1 times [2021-11-23 16:47:23,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:47:23,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386219709] [2021-11-23 16:47:23,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:47:23,833 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:47:23,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:47:23,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:47:23,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:47:23,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:47:24,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:47:24,177 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 16:47:24,183 INFO L158 Benchmark]: Toolchain (without parser) took 3519.79ms. Allocated memory was 56.6MB in the beginning and 96.5MB in the end (delta: 39.8MB). Free memory was 32.7MB in the beginning and 57.7MB in the end (delta: -25.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-23 16:47:24,184 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:24,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1153.43ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 39.0MB in the end (delta: -6.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:24,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.53ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 33.0MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:47:24,188 INFO L158 Benchmark]: Boogie Preprocessor took 132.89ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 53.8MB in the end (delta: -20.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:24,194 INFO L158 Benchmark]: RCFGBuilder took 1530.39ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 27.8MB in the end (delta: 26.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2021-11-23 16:47:24,195 INFO L158 Benchmark]: TraceAbstraction took 574.62ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 27.3MB in the beginning and 57.7MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:24,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1153.43ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 39.0MB in the end (delta: -6.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.53ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 33.0MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.89ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 53.8MB in the end (delta: -20.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1530.39ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 27.8MB in the end (delta: 26.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 574.62ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 27.3MB in the beginning and 57.7MB in the end (delta: -30.3MB). There was no memory consumed. 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 16:47:24,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c359bb-a892-44ff-a33c-9ff59f7d8678/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