./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/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_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/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_83f8e819-2228-4ee7-953c-4c22578bee01/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 619b5b07f7bee6d460265c38ff6f46d0f3c88b87f6fc28a24021d9529c74e42f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:29:18,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:29:18,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:29:18,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:29:18,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:29:18,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:29:18,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:29:18,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:29:18,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:29:18,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:29:18,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:29:18,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:29:18,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:29:18,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:29:18,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:29:18,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:29:18,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:29:18,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:29:18,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:29:18,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:29:18,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:29:18,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:29:18,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:29:18,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:29:18,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:29:18,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:29:18,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:29:18,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:29:18,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:29:18,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:29:18,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:29:18,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:29:18,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:29:18,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:29:18,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:29:18,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:29:18,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:29:18,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:29:18,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:29:18,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:29:18,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:29:18,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:29:18,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:29:18,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:29:18,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:29:18,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:29:18,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:29:18,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:29:18,631 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:29:18,631 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:29:18,632 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:29:18,632 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:29:18,633 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:29:18,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:29:18,634 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:29:18,634 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:29:18,634 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:29:18,635 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:29:18,635 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:29:18,635 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:29:18,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:29:18,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:29:18,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:29:18,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:29:18,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:29:18,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:29:18,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:29:18,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:29:18,641 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:29:18,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:29:18,641 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:29:18,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:29:18,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:29:18,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:29:18,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:29:18,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:29:18,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:29:18,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:29:18,644 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:29:18,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:29:18,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:29:18,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:29:18,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:29:18,645 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_83f8e819-2228-4ee7-953c-4c22578bee01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 619b5b07f7bee6d460265c38ff6f46d0f3c88b87f6fc28a24021d9529c74e42f [2021-11-23 17:29:18,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:29:18,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:29:18,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:29:18,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:29:18,999 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:29:19,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c [2021-11-23 17:29:19,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data/4234c0173/82e6162ac41040ebba671797f4b4b2e6/FLAG2e3269c86 [2021-11-23 17:29:19,820 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:29:19,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c [2021-11-23 17:29:19,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data/4234c0173/82e6162ac41040ebba671797f4b4b2e6/FLAG2e3269c86 [2021-11-23 17:29:20,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data/4234c0173/82e6162ac41040ebba671797f4b4b2e6 [2021-11-23 17:29:20,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:29:20,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:29:20,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:29:20,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:29:20,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:29:20,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:20" (1/1) ... [2021-11-23 17:29:20,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f50301d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:20, skipping insertion in model container [2021-11-23 17:29:20,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:20" (1/1) ... [2021-11-23 17:29:20,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:29:20,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:29:20,627 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_83f8e819-2228-4ee7-953c-4c22578bee01/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c[8467,8480] [2021-11-23 17:29:20,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:21,021 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:29:21,072 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_83f8e819-2228-4ee7-953c-4c22578bee01/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c[8467,8480] [2021-11-23 17:29:21,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:21,211 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:29:21,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21 WrapperNode [2021-11-23 17:29:21,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:29:21,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:29:21,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:29:21,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:29:21,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,337 INFO L137 Inliner]: procedures = 128, calls = 208, calls flagged for inlining = 55, calls inlined = 45, statements flattened = 854 [2021-11-23 17:29:21,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:29:21,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:29:21,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:29:21,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:29:21,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:29:21,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:29:21,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:29:21,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:29:21,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:29:21,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:29:21,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:29:21,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:29:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:29:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:29:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:29:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:29:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:29:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:29:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:29:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:29:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:29:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:29:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:29:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:29:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:29:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:29:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:29:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:29:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:29:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:29:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:29:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:29:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:29:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:29:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:29:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:29:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:29:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:29:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:29:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:29:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:29:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:29:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:29:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:29:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:29:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:29:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:29:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:29:21,980 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:29:21,983 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:29:22,869 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:29:22,955 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 17:29:22,960 INFO L158 Benchmark]: Toolchain (without parser) took 2901.47ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 62.8MB in the beginning and 63.6MB in the end (delta: -802.6kB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-11-23 17:29:22,963 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 98.6MB. Free memory was 50.6MB in the beginning and 50.6MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:29:22,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1150.11ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 62.6MB in the beginning and 73.3MB in the end (delta: -10.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 17:29:22,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.00ms. Allocated memory is still 123.7MB. Free memory was 73.0MB in the beginning and 67.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:29:22,969 INFO L158 Benchmark]: Boogie Preprocessor took 88.07ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 64.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:29:22,970 INFO L158 Benchmark]: RCFGBuilder took 1531.20ms. Allocated memory is still 123.7MB. Free memory was 64.0MB in the beginning and 63.6MB in the end (delta: 364.6kB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-11-23 17:29:22,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 98.6MB. Free memory was 50.6MB in the beginning and 50.6MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1150.11ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 62.6MB in the beginning and 73.3MB in the end (delta: -10.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.00ms. Allocated memory is still 123.7MB. Free memory was 73.0MB in the beginning and 67.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.07ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 64.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1531.20ms. Allocated memory is still 123.7MB. Free memory was 64.0MB in the beginning and 63.6MB in the end (delta: 364.6kB). Peak memory consumption was 24.6MB. 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 17:29:23,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/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 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_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/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_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/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_83f8e819-2228-4ee7-953c-4c22578bee01/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 619b5b07f7bee6d460265c38ff6f46d0f3c88b87f6fc28a24021d9529c74e42f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:29:25,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:29:25,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:29:25,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:29:25,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:29:25,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:29:25,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:29:25,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:29:25,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:29:25,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:29:25,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:29:25,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:29:25,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:29:25,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:29:25,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:29:25,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:29:25,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:29:25,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:29:25,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:29:25,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:29:25,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:29:25,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:29:25,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:29:25,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:29:25,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:29:25,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:29:25,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:29:25,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:29:25,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:29:25,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:29:25,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:29:25,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:29:25,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:29:25,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:29:25,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:29:25,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:29:25,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:29:25,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:29:25,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:29:25,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:29:25,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:29:25,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:29:26,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:29:26,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:29:26,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:29:26,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:29:26,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:29:26,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:29:26,049 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:29:26,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:29:26,049 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:29:26,049 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:29:26,051 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:29:26,051 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:29:26,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:29:26,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:29:26,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:29:26,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:29:26,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:29:26,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:29:26,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:29:26,055 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:29:26,055 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:29:26,055 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:29:26,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:29:26,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:29:26,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:29:26,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:29:26,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:29:26,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:29:26,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:29:26,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:29:26,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:29:26,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:29:26,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:29:26,059 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:29:26,059 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:29:26,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:29:26,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:29:26,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:29:26,060 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_83f8e819-2228-4ee7-953c-4c22578bee01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 619b5b07f7bee6d460265c38ff6f46d0f3c88b87f6fc28a24021d9529c74e42f [2021-11-23 17:29:26,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:29:26,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:29:26,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:29:26,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:29:26,499 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:29:26,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c [2021-11-23 17:29:26,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data/1a0091555/7510621de2db47c491ca164713ee327e/FLAG3e822fcdf [2021-11-23 17:29:27,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:29:27,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c [2021-11-23 17:29:27,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data/1a0091555/7510621de2db47c491ca164713ee327e/FLAG3e822fcdf [2021-11-23 17:29:27,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/data/1a0091555/7510621de2db47c491ca164713ee327e [2021-11-23 17:29:27,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:29:27,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:29:27,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:29:27,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:29:27,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:29:27,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:27" (1/1) ... [2021-11-23 17:29:27,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289bdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:27, skipping insertion in model container [2021-11-23 17:29:27,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:27" (1/1) ... [2021-11-23 17:29:27,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:29:27,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:29:27,991 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_83f8e819-2228-4ee7-953c-4c22578bee01/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c[8467,8480] [2021-11-23 17:29:28,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:28,359 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:29:28,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:29:28,402 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_83f8e819-2228-4ee7-953c-4c22578bee01/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c[8467,8480] [2021-11-23 17:29:28,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:28,534 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:29:28,559 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_83f8e819-2228-4ee7-953c-4c22578bee01/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c[8467,8480] [2021-11-23 17:29:28,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:28,680 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:29:28,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28 WrapperNode [2021-11-23 17:29:28,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:29:28,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:29:28,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:29:28,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:29:28,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,814 INFO L137 Inliner]: procedures = 130, calls = 208, calls flagged for inlining = 55, calls inlined = 45, statements flattened = 807 [2021-11-23 17:29:28,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:29:28,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:29:28,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:29:28,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:29:28,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:29:28,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:29:28,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:29:28,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:29:28,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (1/1) ... [2021-11-23 17:29:28,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:29:28,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:29:28,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:29:28,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:29:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:29:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:29:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:29:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:29:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:29:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:29:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:29:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:29:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:29:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:29:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:29:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:29:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:29:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:29:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:29:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:29:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:29:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:29:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:29:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:29:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:29:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:29:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:29:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:29:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:29:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:29:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:29:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:29:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:29:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:29:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:29:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:29:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:29:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:29:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:29:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:29:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:29:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:29:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:29:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:29:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:29:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:29:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:29:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:29:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:29:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:29:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:29:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:29:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:29:29,382 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:29:29,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:29:30,478 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:29:30,505 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:29:30,506 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:29:30,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:30 BoogieIcfgContainer [2021-11-23 17:29:30,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:29:30,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:29:30,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:29:30,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:29:30,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:29:27" (1/3) ... [2021-11-23 17:29:30,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4f46fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:29:30, skipping insertion in model container [2021-11-23 17:29:30,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:28" (2/3) ... [2021-11-23 17:29:30,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4f46fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:29:30, skipping insertion in model container [2021-11-23 17:29:30,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:30" (3/3) ... [2021-11-23 17:29:30,522 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product28.cil.c [2021-11-23 17:29:30,529 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:29:30,529 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:29:30,611 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:29:30,622 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 17:29:30,623 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:29:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 327 states, 253 states have (on average 1.5217391304347827) internal successors, (385), 257 states have internal predecessors, (385), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-11-23 17:29:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 17:29:30,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:29:30,701 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-11-23 17:29:30,702 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:29:30,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:29:30,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1302958000, now seen corresponding path program 1 times [2021-11-23 17:29:30,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:29:30,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945620698] [2021-11-23 17:29:30,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:29:30,747 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:29:30,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:29:30,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:29:30,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:29:30,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-23 17:29:31,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:29:31,085 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 17:29:31,092 INFO L158 Benchmark]: Toolchain (without parser) took 3579.31ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 39.7MB in the beginning and 56.4MB in the end (delta: -16.7MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2021-11-23 17:29:31,093 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:29:31,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1165.90ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 39.4MB in the beginning and 44.8MB in the end (delta: -5.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 17:29:31,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.95ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 66.0MB in the end (delta: -21.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 17:29:31,098 INFO L158 Benchmark]: Boogie Preprocessor took 73.68ms. Allocated memory is still 88.1MB. Free memory was 66.0MB in the beginning and 61.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:29:31,099 INFO L158 Benchmark]: RCFGBuilder took 1618.75ms. Allocated memory is still 88.1MB. Free memory was 61.8MB in the beginning and 43.5MB in the end (delta: 18.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 17:29:31,100 INFO L158 Benchmark]: TraceAbstraction took 578.88ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 56.4MB in the end (delta: -13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:29:31,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1165.90ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 39.4MB in the beginning and 44.8MB in the end (delta: -5.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.95ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 66.0MB in the end (delta: -21.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.68ms. Allocated memory is still 88.1MB. Free memory was 66.0MB in the beginning and 61.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1618.75ms. Allocated memory is still 88.1MB. Free memory was 61.8MB in the beginning and 43.5MB in the end (delta: 18.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 578.88ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 56.4MB in the end (delta: -13.4MB). 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 17:29:31,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f8e819-2228-4ee7-953c-4c22578bee01/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