./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/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_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/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_db0ec223-44b9-47d1-a35e-80742334d324/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 4e977513fd5d8adeea8c73d7c4eeb6cb821e6c768a15a7e6394764a4355fc74d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:27,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:27,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:28,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:28,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:28,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:28,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:28,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:28,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:28,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:28,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:28,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:28,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:28,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:28,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:28,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:28,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:28,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:28,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:28,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:28,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:28,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:28,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:28,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:28,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:28,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:28,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:28,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:28,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:28,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:28,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:28,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:28,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:28,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:28,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:28,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:28,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:28,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:28,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:28,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:28,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:28,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:15:28,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:28,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:28,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:28,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:28,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:28,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:28,159 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:28,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:28,160 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:28,160 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:15:28,161 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:28,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:28,162 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:15:28,162 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:15:28,162 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:28,162 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:15:28,162 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:15:28,163 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:15:28,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:28,164 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:15:28,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:15:28,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:15:28,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:28,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:28,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:28,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:28,165 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:15:28,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:28,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:28,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:28,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:28,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:28,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:28,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:28,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:28,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:28,168 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:15:28,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:15:28,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:28,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:28,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:28,169 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_db0ec223-44b9-47d1-a35e-80742334d324/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e977513fd5d8adeea8c73d7c4eeb6cb821e6c768a15a7e6394764a4355fc74d [2021-11-23 17:15:28,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:28,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:28,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:28,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:28,589 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:28,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2021-11-23 17:15:28,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data/30b227713/6ae614fc47df460ab980b0910be13b1d/FLAG115b1d571 [2021-11-23 17:15:29,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:29,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2021-11-23 17:15:29,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data/30b227713/6ae614fc47df460ab980b0910be13b1d/FLAG115b1d571 [2021-11-23 17:15:29,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data/30b227713/6ae614fc47df460ab980b0910be13b1d [2021-11-23 17:15:29,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:29,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:29,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:29,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:29,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:29,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:29" (1/1) ... [2021-11-23 17:15:29,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d73baf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:29, skipping insertion in model container [2021-11-23 17:15:29,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:29" (1/1) ... [2021-11-23 17:15:29,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:29,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:30,252 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_db0ec223-44b9-47d1-a35e-80742334d324/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c[64763,64776] [2021-11-23 17:15:30,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:30,271 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:30,400 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_db0ec223-44b9-47d1-a35e-80742334d324/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c[64763,64776] [2021-11-23 17:15:30,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:30,444 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:30,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30 WrapperNode [2021-11-23 17:15:30,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:30,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:30,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:30,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:30,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,594 INFO L137 Inliner]: procedures = 134, calls = 227, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1064 [2021-11-23 17:15:30,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:30,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:30,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:30,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:30,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:30,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:30,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:30,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:30,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:30" (1/1) ... [2021-11-23 17:15:30,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:30,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:30,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:30,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:15:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:15:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:15:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:15:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:15:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:15:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:15:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:15:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:15:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:15:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:15:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:15:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:15:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:15:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:15:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:15:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:15:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:15:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:15:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:15:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:15:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:15:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:15:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:15:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:15:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:15:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:15:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:15:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:15:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:15:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:15:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:15:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:15:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:15:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:15:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:15:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:15:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:15:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:15:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:15:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:15:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:15:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:15:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:15:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:15:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:15:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:15:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:15:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:15:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:15:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:31,165 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:31,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:32,106 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:32,189 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 17:15:32,194 INFO L158 Benchmark]: Toolchain (without parser) took 2620.62ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 68.8MB in the beginning and 59.8MB in the end (delta: 9.0MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2021-11-23 17:15:32,196 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 49.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:15:32,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.44ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 41.0MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 17:15:32,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.73ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 40.8MB in the beginning and 88.1MB in the end (delta: -47.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:32,200 INFO L158 Benchmark]: Boogie Preprocessor took 111.88ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 83.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:32,201 INFO L158 Benchmark]: RCFGBuilder took 1482.95ms. Allocated memory is still 115.3MB. Free memory was 83.4MB in the beginning and 59.8MB in the end (delta: 23.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 17:15:32,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 49.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.44ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 41.0MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.73ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 40.8MB in the beginning and 88.1MB in the end (delta: -47.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.88ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 83.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1482.95ms. Allocated memory is still 115.3MB. Free memory was 83.4MB in the beginning and 59.8MB in the end (delta: 23.5MB). Peak memory consumption was 37.7MB. 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 17:15:32,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/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_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/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_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/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_db0ec223-44b9-47d1-a35e-80742334d324/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 4e977513fd5d8adeea8c73d7c4eeb6cb821e6c768a15a7e6394764a4355fc74d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:34,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:34,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:34,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:34,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:34,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:34,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:34,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:34,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:34,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:34,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:34,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:34,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:34,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:34,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:34,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:34,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:34,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:34,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:34,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:34,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:34,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:34,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:34,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:34,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:34,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:34,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:34,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:34,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:34,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:34,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:34,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:34,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:34,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:34,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:34,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:34,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:34,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:34,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:34,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:34,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:34,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:15:34,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:34,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:34,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:34,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:34,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:34,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:34,863 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:34,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:34,864 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:34,864 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:34,865 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:34,865 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:34,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:34,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:15:34,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:15:34,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:34,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:34,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:34,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:34,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:15:34,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:15:34,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:15:34,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:15:34,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:34,869 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:34,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:34,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:34,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:15:34,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:34,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:34,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:34,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:34,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:34,872 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:15:34,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:15:34,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:34,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:34,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:34,873 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_db0ec223-44b9-47d1-a35e-80742334d324/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e977513fd5d8adeea8c73d7c4eeb6cb821e6c768a15a7e6394764a4355fc74d [2021-11-23 17:15:35,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:35,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:35,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:35,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:35,268 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:35,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2021-11-23 17:15:35,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data/8ed534e2e/82477c0235b34267ac99890104f59b15/FLAG9e1bc5825 [2021-11-23 17:15:35,960 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:35,969 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2021-11-23 17:15:35,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data/8ed534e2e/82477c0235b34267ac99890104f59b15/FLAG9e1bc5825 [2021-11-23 17:15:36,197 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/data/8ed534e2e/82477c0235b34267ac99890104f59b15 [2021-11-23 17:15:36,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:36,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:36,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:36,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:36,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:36,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c26e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36, skipping insertion in model container [2021-11-23 17:15:36,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:36,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:37,031 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_db0ec223-44b9-47d1-a35e-80742334d324/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c[64763,64776] [2021-11-23 17:15:37,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:37,059 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:15:37,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:37,228 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_db0ec223-44b9-47d1-a35e-80742334d324/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c[64763,64776] [2021-11-23 17:15:37,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:37,238 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:37,328 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_db0ec223-44b9-47d1-a35e-80742334d324/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c[64763,64776] [2021-11-23 17:15:37,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:37,379 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:37,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37 WrapperNode [2021-11-23 17:15:37,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:37,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:37,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:37,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:37,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,498 INFO L137 Inliner]: procedures = 136, calls = 227, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1005 [2021-11-23 17:15:37,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:37,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:37,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:37,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:37,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:37,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:37,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:37,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:37,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:37,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:37,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:37,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:15:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:15:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:15:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:15:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:15:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:15:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:15:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:15:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:15:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:15:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:15:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:15:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:15:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:15:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:15:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:15:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:15:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:15:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:15:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:15:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:15:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:15:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:15:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:15:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:15:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:15:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:15:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:15:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:15:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:15:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:15:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:15:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:15:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:37,961 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:37,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:38,894 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:38,905 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:15:38,905 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:15:38,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:38 BoogieIcfgContainer [2021-11-23 17:15:38,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:15:38,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:15:38,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:15:38,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:15:38,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:15:36" (1/3) ... [2021-11-23 17:15:38,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cad9440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:38, skipping insertion in model container [2021-11-23 17:15:38,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37" (2/3) ... [2021-11-23 17:15:38,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cad9440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:38, skipping insertion in model container [2021-11-23 17:15:38,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:38" (3/3) ... [2021-11-23 17:15:38,917 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product33.cil.c [2021-11-23 17:15:38,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:15:38,922 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:15:38,976 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:15:38,984 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 17:15:38,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:15:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 297 states have (on average 1.5016835016835017) internal successors, (446), 301 states have internal predecessors, (446), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2021-11-23 17:15:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 17:15:39,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:15:39,052 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2021-11-23 17:15:39,053 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:15:39,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:15:39,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1565848355, now seen corresponding path program 1 times [2021-11-23 17:15:39,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:15:39,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452699742] [2021-11-23 17:15:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:15:39,086 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:15:39,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:15:39,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:15:39,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:15:39,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:15:39,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:15:39,419 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 17:15:39,424 INFO L158 Benchmark]: Toolchain (without parser) took 3222.24ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 31.8MB in the beginning and 50.6MB in the end (delta: -18.8MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-23 17:15:39,425 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:39,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1177.72ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 31.6MB in the beginning and 43.0MB in the end (delta: -11.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:39,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.34ms. Allocated memory is still 75.5MB. Free memory was 43.0MB in the beginning and 37.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:15:39,428 INFO L158 Benchmark]: Boogie Preprocessor took 91.73ms. Allocated memory is still 75.5MB. Free memory was 37.2MB in the beginning and 32.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:39,432 INFO L158 Benchmark]: RCFGBuilder took 1287.39ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 66.4MB in the end (delta: -12.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-23 17:15:39,433 INFO L158 Benchmark]: TraceAbstraction took 512.64ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 51.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:15:39,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1177.72ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 31.6MB in the beginning and 43.0MB in the end (delta: -11.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.34ms. Allocated memory is still 75.5MB. Free memory was 43.0MB in the beginning and 37.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.73ms. Allocated memory is still 75.5MB. Free memory was 37.2MB in the beginning and 32.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1287.39ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 66.4MB in the end (delta: -12.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * TraceAbstraction took 512.64ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 51.1MB 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 17:15:39,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0ec223-44b9-47d1-a35e-80742334d324/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable