./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product33.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_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/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_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/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_0722687e-5d81-4f3b-8499-f4085503e63b/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 f1bf577a04d9efa22571cde3b0a4348a8cf7d4cfe89b0abb5b80fa76df1bbd4f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:09:07,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:09:07,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:09:07,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:09:07,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:09:07,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:09:07,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:09:07,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:09:07,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:09:07,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:09:07,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:09:07,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:09:07,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:09:07,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:09:07,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:09:07,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:09:07,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:09:07,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:09:07,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:09:07,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:09:07,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:09:07,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:09:07,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:09:07,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:09:07,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:09:07,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:09:07,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:09:07,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:09:07,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:09:07,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:09:07,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:09:07,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:09:07,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:09:07,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:09:07,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:09:07,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:09:07,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:09:07,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:09:07,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:09:07,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:09:07,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:09:07,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:09:07,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:09:07,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:09:07,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:09:07,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:09:07,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:09:07,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:09:07,202 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:09:07,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:09:07,203 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:09:07,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:09:07,203 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:09:07,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:09:07,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:09:07,204 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:09:07,204 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:09:07,204 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:09:07,204 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:09:07,205 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:09:07,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:09:07,206 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:09:07,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:09:07,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:09:07,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:09:07,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:09:07,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:09:07,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:09:07,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:09:07,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:09:07,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:09:07,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:09:07,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:09:07,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:09:07,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:07,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:09:07,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:09:07,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:09:07,210 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:09:07,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:09:07,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:09:07,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:09:07,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:09:07,211 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_0722687e-5d81-4f3b-8499-f4085503e63b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1bf577a04d9efa22571cde3b0a4348a8cf7d4cfe89b0abb5b80fa76df1bbd4f [2021-11-23 17:09:07,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:09:07,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:09:07,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:09:07,605 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:09:07,606 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:09:07,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2021-11-23 17:09:07,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data/744172c54/12d1d1bc6bc74c5da4093e6a1c73889f/FLAG0e344ab0e [2021-11-23 17:09:08,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:09:08,452 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2021-11-23 17:09:08,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data/744172c54/12d1d1bc6bc74c5da4093e6a1c73889f/FLAG0e344ab0e [2021-11-23 17:09:08,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data/744172c54/12d1d1bc6bc74c5da4093e6a1c73889f [2021-11-23 17:09:08,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:09:08,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:09:08,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:08,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:09:08,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:09:08,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:08" (1/1) ... [2021-11-23 17:09:08,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7ae95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:08, skipping insertion in model container [2021-11-23 17:09:08,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:08" (1/1) ... [2021-11-23 17:09:08,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:09:08,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:09:09,369 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_0722687e-5d81-4f3b-8499-f4085503e63b/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c[20852,20865] [2021-11-23 17:09:09,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:09,672 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:09:09,765 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_0722687e-5d81-4f3b-8499-f4085503e63b/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c[20852,20865] [2021-11-23 17:09:09,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:09,922 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:09:09,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09 WrapperNode [2021-11-23 17:09:09,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:09,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:09,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:09:09,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:09:09,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:09,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,116 INFO L137 Inliner]: procedures = 134, calls = 225, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1057 [2021-11-23 17:09:10,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:10,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:09:10,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:09:10,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:09:10,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:09:10,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:09:10,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:09:10,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:09:10,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:10,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:09:10,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:09:10,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:09:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:09:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:09:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:09:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:09:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:09:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:09:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:09:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:09:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:09:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:09:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:09:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:09:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:09:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:09:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:09:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:09:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:09:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:09:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:09:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:09:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:09:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:09:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:09:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:09:10,368 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:09:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:09:10,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:09:10,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:09:10,369 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:09:10,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:09:10,369 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:09:10,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:09:10,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:09:10,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:09:10,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:09:10,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:09:10,371 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:09:10,371 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:09:10,371 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:09:10,371 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:09:10,371 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:09:10,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:09:10,372 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:09:10,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:09:10,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:09:10,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:09:10,374 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:09:10,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:09:10,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:09:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:09:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:09:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:09:10,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:09:10,701 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:09:10,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:09:11,644 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:09:11,705 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:09:11,718 INFO L158 Benchmark]: Toolchain (without parser) took 3102.10ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 68.8MB in the beginning and 78.0MB in the end (delta: -9.2MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,720 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:09:11,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.37ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 40.2MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.12ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 40.0MB in the beginning and 102.7MB in the end (delta: -62.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,725 INFO L158 Benchmark]: Boogie Preprocessor took 119.44ms. Allocated memory is still 130.0MB. Free memory was 102.7MB in the beginning and 98.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,726 INFO L158 Benchmark]: RCFGBuilder took 1476.00ms. Allocated memory is still 130.0MB. Free memory was 98.5MB in the beginning and 78.0MB in the end (delta: 20.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.37ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 40.2MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.12ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 40.0MB in the beginning and 102.7MB in the end (delta: -62.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.44ms. Allocated memory is still 130.0MB. Free memory was 102.7MB in the beginning and 98.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1476.00ms. Allocated memory is still 130.0MB. Free memory was 98.5MB in the beginning and 78.0MB in the end (delta: 20.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:09:11,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/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_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/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_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/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_0722687e-5d81-4f3b-8499-f4085503e63b/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 f1bf577a04d9efa22571cde3b0a4348a8cf7d4cfe89b0abb5b80fa76df1bbd4f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:09:14,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:09:14,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:09:14,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:09:14,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:09:14,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:09:14,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:09:14,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:09:14,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:09:14,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:09:14,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:09:14,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:09:14,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:09:14,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:09:14,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:09:14,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:09:14,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:09:14,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:09:14,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:09:14,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:09:14,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:09:14,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:09:14,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:09:14,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:09:14,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:09:14,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:09:14,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:09:14,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:09:14,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:09:14,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:09:14,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:09:14,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:09:14,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:09:14,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:09:14,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:09:14,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:09:14,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:09:14,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:09:14,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:09:14,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:09:14,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:09:14,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:09:14,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:09:14,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:09:14,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:09:14,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:09:14,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:09:14,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:09:14,630 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:09:14,631 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:09:14,631 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:09:14,631 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:09:14,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:09:14,633 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:09:14,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:09:14,635 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:09:14,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:09:14,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:09:14,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:09:14,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:09:14,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:09:14,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:09:14,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:09:14,637 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:09:14,637 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:09:14,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:09:14,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:09:14,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:09:14,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:09:14,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:09:14,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:09:14,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:14,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:09:14,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:09:14,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:09:14,640 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:09:14,640 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:09:14,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:09:14,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:09:14,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:09:14,641 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_0722687e-5d81-4f3b-8499-f4085503e63b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1bf577a04d9efa22571cde3b0a4348a8cf7d4cfe89b0abb5b80fa76df1bbd4f [2021-11-23 17:09:15,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:09:15,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:09:15,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:09:15,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:09:15,157 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:09:15,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2021-11-23 17:09:15,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data/d96f080d1/d5bcc0b5aa044790b63ab1e8ff90547e/FLAG8d6255d28 [2021-11-23 17:09:15,994 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:09:16,001 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2021-11-23 17:09:16,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data/d96f080d1/d5bcc0b5aa044790b63ab1e8ff90547e/FLAG8d6255d28 [2021-11-23 17:09:16,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/data/d96f080d1/d5bcc0b5aa044790b63ab1e8ff90547e [2021-11-23 17:09:16,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:09:16,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:09:16,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:16,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:09:16,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:09:16,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:16" (1/1) ... [2021-11-23 17:09:16,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a2bd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:16, skipping insertion in model container [2021-11-23 17:09:16,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:16" (1/1) ... [2021-11-23 17:09:16,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:09:16,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:09:16,939 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_0722687e-5d81-4f3b-8499-f4085503e63b/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c[20852,20865] [2021-11-23 17:09:17,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:17,181 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:09:17,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:09:17,239 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_0722687e-5d81-4f3b-8499-f4085503e63b/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c[20852,20865] [2021-11-23 17:09:17,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:17,302 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:09:17,346 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_0722687e-5d81-4f3b-8499-f4085503e63b/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c[20852,20865] [2021-11-23 17:09:17,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:17,488 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:09:17,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17 WrapperNode [2021-11-23 17:09:17,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:17,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:17,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:09:17,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:09:17,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,630 INFO L137 Inliner]: procedures = 136, calls = 225, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 999 [2021-11-23 17:09:17,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:17,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:09:17,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:09:17,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:09:17,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:09:17,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:09:17,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:09:17,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:09:17,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:17,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:09:17,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:09:17,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:09:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:09:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:09:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:09:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:09:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:09:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:09:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:09:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:09:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:09:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:09:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:09:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:09:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:09:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:09:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:09:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:09:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:09:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:09:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:09:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:09:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:09:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:09:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:09:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:09:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:09:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:09:17,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:09:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:09:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:09:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:09:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:09:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:09:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:09:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:09:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:09:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:09:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:09:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:09:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:09:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:09:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:09:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:09:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:09:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:09:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:09:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:09:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:09:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:09:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:09:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:09:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:09:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:09:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:09:18,099 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:09:18,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:09:19,079 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:09:19,093 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:09:19,094 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:09:19,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:09:19 BoogieIcfgContainer [2021-11-23 17:09:19,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:09:19,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:09:19,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:09:19,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:09:19,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:09:16" (1/3) ... [2021-11-23 17:09:19,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56256bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:09:19, skipping insertion in model container [2021-11-23 17:09:19,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (2/3) ... [2021-11-23 17:09:19,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56256bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:09:19, skipping insertion in model container [2021-11-23 17:09:19,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:09:19" (3/3) ... [2021-11-23 17:09:19,106 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product33.cil.c [2021-11-23 17:09:19,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:09:19,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:09:19,172 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:09:19,180 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:09:19,180 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:09:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 297 states have (on average 1.5016835016835017) internal successors, (446), 301 states have internal predecessors, (446), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2021-11-23 17:09:19,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 17:09:19,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:09:19,246 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:09:19,246 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:09:19,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:09:19,253 INFO L85 PathProgramCache]: Analyzing trace with hash 368427250, now seen corresponding path program 1 times [2021-11-23 17:09:19,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:09:19,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178181307] [2021-11-23 17:09:19,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:09:19,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:09:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:09:19,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:09:19,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:09:19,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:09:19,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:09:19,615 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:09:19,620 INFO L158 Benchmark]: Toolchain (without parser) took 3390.99ms. Allocated memory was 54.5MB in the beginning and 92.3MB in the end (delta: 37.7MB). Free memory was 29.0MB in the beginning and 43.7MB in the end (delta: -14.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2021-11-23 17:09:19,621 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:09:19,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1257.64ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.8MB in the beginning and 38.9MB in the end (delta: -10.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:19,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.26ms. Allocated memory is still 67.1MB. Free memory was 38.9MB 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 17:09:19,623 INFO L158 Benchmark]: Boogie Preprocessor took 71.79ms. Allocated memory is still 67.1MB. Free memory was 33.0MB in the beginning and 28.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:19,624 INFO L158 Benchmark]: RCFGBuilder took 1392.92ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 28.4MB in the beginning and 59.2MB in the end (delta: -30.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:19,625 INFO L158 Benchmark]: TraceAbstraction took 518.57ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 43.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:09:19,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1257.64ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.8MB in the beginning and 38.9MB in the end (delta: -10.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.26ms. Allocated memory is still 67.1MB. Free memory was 38.9MB 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 71.79ms. Allocated memory is still 67.1MB. Free memory was 33.0MB in the beginning and 28.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1392.92ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 28.4MB in the beginning and 59.2MB in the end (delta: -30.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * TraceAbstraction took 518.57ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 43.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:09:19,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0722687e-5d81-4f3b-8499-f4085503e63b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable