./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_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_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/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_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/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_3de18098-6900-415f-8b64-039395d066b4/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 77705a63487ad2667abe7e61d03fbac9d343255168bc183f3ebec6cdcc7d3824 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:32:40,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:32:40,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:32:40,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:32:40,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:32:40,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:32:40,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:32:40,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:32:40,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:32:40,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:32:40,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:32:40,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:32:40,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:32:40,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:32:40,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:32:40,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:32:40,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:32:40,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:32:40,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:32:40,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:32:40,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:32:40,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:32:40,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:32:40,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:32:40,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:32:40,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:32:40,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:32:40,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:32:40,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:32:40,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:32:40,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:32:40,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:32:40,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:32:40,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:32:40,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:32:40,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:32:40,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:32:40,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:32:40,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:32:40,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:32:40,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:32:40,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:32:40,869 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:32:40,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:32:40,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:32:40,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:32:40,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:32:40,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:32:40,873 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:32:40,873 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:32:40,874 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:32:40,874 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:32:40,875 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:32:40,876 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:32:40,876 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:32:40,876 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:32:40,876 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:32:40,877 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:32:40,877 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:32:40,877 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:32:40,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:32:40,880 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:32:40,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:32:40,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:32:40,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:32:40,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:32:40,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:32:40,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:32:40,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:32:40,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:32:40,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:32:40,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:32:40,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:32:40,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:32:40,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:40,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:32:40,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:32:40,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:32:40,887 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:32:40,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:32:40,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:32:40,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:32:40,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:32:40,889 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_3de18098-6900-415f-8b64-039395d066b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77705a63487ad2667abe7e61d03fbac9d343255168bc183f3ebec6cdcc7d3824 [2021-11-23 17:32:41,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:32:41,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:32:41,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:32:41,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:32:41,258 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:32:41,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec7_product31.cil.c [2021-11-23 17:32:41,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data/981befe83/79dea374a9174885afbfc410f5b4df3b/FLAG18c56b5f5 [2021-11-23 17:32:42,089 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:32:42,090 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/sv-benchmarks/c/product-lines/email_spec7_product31.cil.c [2021-11-23 17:32:42,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data/981befe83/79dea374a9174885afbfc410f5b4df3b/FLAG18c56b5f5 [2021-11-23 17:32:42,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data/981befe83/79dea374a9174885afbfc410f5b4df3b [2021-11-23 17:32:42,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:32:42,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:32:42,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:42,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:32:42,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:32:42,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:42" (1/1) ... [2021-11-23 17:32:42,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3280798e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:42, skipping insertion in model container [2021-11-23 17:32:42,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:42" (1/1) ... [2021-11-23 17:32:42,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:32:42,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:42,701 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_3de18098-6900-415f-8b64-039395d066b4/sv-benchmarks/c/product-lines/email_spec7_product31.cil.c[7290,7303] [2021-11-23 17:32:42,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:43,002 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:43,032 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_3de18098-6900-415f-8b64-039395d066b4/sv-benchmarks/c/product-lines/email_spec7_product31.cil.c[7290,7303] [2021-11-23 17:32:43,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:43,203 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:43,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43 WrapperNode [2021-11-23 17:32:43,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:43,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:43,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:43,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:43,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,362 INFO L137 Inliner]: procedures = 131, calls = 215, calls flagged for inlining = 61, calls inlined = 56, statements flattened = 1005 [2021-11-23 17:32:43,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:43,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:43,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:43,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:43,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:43,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:43,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:43,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:43,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:43" (1/1) ... [2021-11-23 17:32:43,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:43,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:43,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:43,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:32:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:32:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:32:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:32:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:32:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:32:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:32:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:32:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:32:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:32:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:32:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:32:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:32:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:32:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:32:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:32:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:32:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:32:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:32:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:32:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:32:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:32:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:32:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:32:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:32:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:32:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:32:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:32:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:32:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:32:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:32:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:32:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:32:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:32:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:32:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:32:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:32:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:32:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:32:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:32:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:32:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:32:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:32:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:32:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:32:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:32:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:32:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:32:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:43,975 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:43,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:32:44,820 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:32:44,904 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 17:32:44,909 INFO L158 Benchmark]: Toolchain (without parser) took 2669.18ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 70.0MB in the beginning and 118.5MB in the end (delta: -48.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2021-11-23 17:32:44,910 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:32:44,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 964.15ms. Allocated memory is still 115.3MB. Free memory was 69.7MB in the beginning and 61.9MB in the end (delta: 7.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 17:32:44,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.18ms. Allocated memory is still 115.3MB. Free memory was 61.9MB in the beginning and 56.0MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:32:44,912 INFO L158 Benchmark]: Boogie Preprocessor took 97.07ms. Allocated memory is still 115.3MB. Free memory was 56.0MB in the beginning and 51.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:32:44,913 INFO L158 Benchmark]: RCFGBuilder took 1445.25ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 118.5MB in the end (delta: -67.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-11-23 17:32:44,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 964.15ms. Allocated memory is still 115.3MB. Free memory was 69.7MB in the beginning and 61.9MB in the end (delta: 7.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.18ms. Allocated memory is still 115.3MB. Free memory was 61.9MB in the beginning and 56.0MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.07ms. Allocated memory is still 115.3MB. Free memory was 56.0MB in the beginning and 51.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1445.25ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 118.5MB in the end (delta: -67.2MB). Peak memory consumption was 22.1MB. 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 17:32:44,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/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_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/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_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/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_3de18098-6900-415f-8b64-039395d066b4/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 77705a63487ad2667abe7e61d03fbac9d343255168bc183f3ebec6cdcc7d3824 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:32:47,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:32:47,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:32:47,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:32:47,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:32:47,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:32:47,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:32:47,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:32:47,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:32:47,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:32:47,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:32:47,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:32:47,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:32:47,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:32:47,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:32:47,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:32:47,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:32:47,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:32:47,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:32:47,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:32:47,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:32:47,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:32:47,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:32:47,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:32:47,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:32:47,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:32:47,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:32:47,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:32:47,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:32:47,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:32:47,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:32:47,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:32:47,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:32:47,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:32:47,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:32:47,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:32:47,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:32:47,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:32:47,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:32:47,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:32:47,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:32:47,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:32:47,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:32:47,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:32:47,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:32:47,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:32:47,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:32:47,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:32:47,933 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:32:47,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:32:47,934 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:32:47,934 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:32:47,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:32:47,936 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:32:47,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:32:47,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:32:47,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:32:47,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:32:47,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:32:47,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:32:47,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:32:47,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:32:47,939 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:32:47,940 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:32:47,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:32:47,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:32:47,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:32:47,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:32:47,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:32:47,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:32:47,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:32:47,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:47,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:32:47,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:32:47,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:32:47,943 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:32:47,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:32:47,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:32:47,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:32:47,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:32:47,945 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_3de18098-6900-415f-8b64-039395d066b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77705a63487ad2667abe7e61d03fbac9d343255168bc183f3ebec6cdcc7d3824 [2021-11-23 17:32:48,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:32:48,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:32:48,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:32:48,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:32:48,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:32:48,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec7_product31.cil.c [2021-11-23 17:32:48,537 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data/9055e964a/cf81f7201d604b228e2cc2b118859c4b/FLAGc16a7e896 [2021-11-23 17:32:49,473 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:32:49,474 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/sv-benchmarks/c/product-lines/email_spec7_product31.cil.c [2021-11-23 17:32:49,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data/9055e964a/cf81f7201d604b228e2cc2b118859c4b/FLAGc16a7e896 [2021-11-23 17:32:49,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/data/9055e964a/cf81f7201d604b228e2cc2b118859c4b [2021-11-23 17:32:49,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:32:49,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:32:49,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:49,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:32:49,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:32:49,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:49" (1/1) ... [2021-11-23 17:32:49,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0a888e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:49, skipping insertion in model container [2021-11-23 17:32:49,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:49" (1/1) ... [2021-11-23 17:32:49,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:32:49,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:50,087 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_3de18098-6900-415f-8b64-039395d066b4/sv-benchmarks/c/product-lines/email_spec7_product31.cil.c[7290,7303] [2021-11-23 17:32:50,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:50,575 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:32:50,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:50,633 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_3de18098-6900-415f-8b64-039395d066b4/sv-benchmarks/c/product-lines/email_spec7_product31.cil.c[7290,7303] [2021-11-23 17:32:50,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:50,740 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:50,764 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_3de18098-6900-415f-8b64-039395d066b4/sv-benchmarks/c/product-lines/email_spec7_product31.cil.c[7290,7303] [2021-11-23 17:32:50,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:50,899 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:50,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50 WrapperNode [2021-11-23 17:32:50,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:50,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:50,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:50,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:50,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:50,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,033 INFO L137 Inliner]: procedures = 133, calls = 215, calls flagged for inlining = 61, calls inlined = 56, statements flattened = 950 [2021-11-23 17:32:51,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:51,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:51,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:51,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:51,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:51,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:51,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:51,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:51,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (1/1) ... [2021-11-23 17:32:51,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:51,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:51,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:32:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:32:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:32:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:32:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:32:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:32:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:32:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:32:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:32:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:32:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:32:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:32:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:32:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:32:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:32:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:32:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:32:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:32:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:32:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:32:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:32:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:32:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:32:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:32:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:32:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:32:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:32:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:32:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:32:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:32:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:32:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:32:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:32:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:32:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:32:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:32:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:32:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:32:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:32:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:32:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:32:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:32:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:32:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:32:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:32:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:32:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:32:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:32:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:51,568 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:51,586 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:32:52,728 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:32:52,768 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:32:52,770 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:32:52,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:32:52 BoogieIcfgContainer [2021-11-23 17:32:52,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:32:52,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:32:52,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:32:52,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:32:52,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:32:49" (1/3) ... [2021-11-23 17:32:52,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e58c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:32:52, skipping insertion in model container [2021-11-23 17:32:52,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:50" (2/3) ... [2021-11-23 17:32:52,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e58c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:32:52, skipping insertion in model container [2021-11-23 17:32:52,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:32:52" (3/3) ... [2021-11-23 17:32:52,785 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product31.cil.c [2021-11-23 17:32:52,791 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:32:52,792 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:32:52,873 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:32:52,891 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 17:32:52,892 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:32:52,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 366 states, 283 states have (on average 1.5017667844522968) internal successors, (425), 287 states have internal predecessors, (425), 58 states have call successors, (58), 23 states have call predecessors, (58), 23 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2021-11-23 17:32:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 17:32:52,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:32:52,966 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 17:32:52,967 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:32:52,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:32:52,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1669286504, now seen corresponding path program 1 times [2021-11-23 17:32:52,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:32:52,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261168283] [2021-11-23 17:32:52,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:32:52,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:32:52,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:32:53,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:32:53,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:32:53,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:32:53,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:32:53,352 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 17:32:53,358 INFO L158 Benchmark]: Toolchain (without parser) took 3803.00ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 37.3MB in the beginning and 52.1MB in the end (delta: -14.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,359 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:32:53,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1344.79ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 46.1MB in the end (delta: -8.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.15ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 40.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,362 INFO L158 Benchmark]: Boogie Preprocessor took 130.46ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 36.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,363 INFO L158 Benchmark]: RCFGBuilder took 1608.85ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 35.7MB in the beginning and 67.4MB in the end (delta: -31.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,364 INFO L158 Benchmark]: TraceAbstraction took 579.17ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 52.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,368 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1344.79ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 46.1MB in the end (delta: -8.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.15ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 40.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.46ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 36.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1608.85ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 35.7MB in the beginning and 67.4MB in the end (delta: -31.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 579.17ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 52.1MB in the end (delta: 14.8MB). 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 17:32:53,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de18098-6900-415f-8b64-039395d066b4/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