./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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 d51a9662ec11e877bdc62fbff8cdf19fcc101bb2b0234c411e7900fe51bd7f38 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:32:07,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:32:07,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:32:07,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:32:07,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:32:07,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:32:07,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:32:07,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:32:07,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:32:07,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:32:07,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:32:07,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:32:07,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:32:07,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:32:07,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:32:07,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:32:07,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:32:07,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:32:07,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:32:07,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:32:07,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:32:07,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:32:07,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:32:07,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:32:07,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:32:07,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:32:07,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:32:07,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:32:07,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:32:07,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:32:07,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:32:07,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:32:07,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:32:07,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:32:07,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:32:07,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:32:07,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:32:07,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:32:07,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:32:07,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:32:07,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:32:07,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:32:07,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:32:07,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:32:07,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:32:07,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:32:07,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:32:07,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:32:07,210 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:32:07,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:32:07,211 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:32:07,211 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:32:07,212 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:32:07,212 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:32:07,213 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:32:07,213 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:32:07,213 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:32:07,213 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:32:07,214 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:32:07,214 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:32:07,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:32:07,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:32:07,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:32:07,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:32:07,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:32:07,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:32:07,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:32:07,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:32:07,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:32:07,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:32:07,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:32:07,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:32:07,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:32:07,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:32:07,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:07,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:32:07,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:32:07,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:32:07,219 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:32:07,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:32:07,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:32:07,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:32:07,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:32:07,221 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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d51a9662ec11e877bdc62fbff8cdf19fcc101bb2b0234c411e7900fe51bd7f38 [2021-11-23 17:32:07,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:32:07,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:32:07,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:32:07,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:32:07,582 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:32:07,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec27_product31.cil.c [2021-11-23 17:32:07,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data/02cd459c2/a95dd0653479475e9bf5887ec90f7d36/FLAG38acf8752 [2021-11-23 17:32:08,390 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:32:08,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c [2021-11-23 17:32:08,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data/02cd459c2/a95dd0653479475e9bf5887ec90f7d36/FLAG38acf8752 [2021-11-23 17:32:08,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data/02cd459c2/a95dd0653479475e9bf5887ec90f7d36 [2021-11-23 17:32:08,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:32:08,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:32:08,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:08,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:32:08,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:32:08,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:08" (1/1) ... [2021-11-23 17:32:08,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b18afb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:08, skipping insertion in model container [2021-11-23 17:32:08,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:08" (1/1) ... [2021-11-23 17:32:08,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:32:08,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:09,270 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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c[61351,61364] [2021-11-23 17:32:09,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:09,303 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:09,441 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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c[61351,61364] [2021-11-23 17:32:09,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:09,490 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:09,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09 WrapperNode [2021-11-23 17:32:09,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:09,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:09,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:09,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:09,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,622 INFO L137 Inliner]: procedures = 131, calls = 219, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 1010 [2021-11-23 17:32:09,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:09,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:09,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:09,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:09,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:09,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:09,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:09,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:09,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:09,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:09,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:09,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:32:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:32:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:32:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:32:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:32:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:32:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:32:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:32:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:32:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:32:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:32:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:32:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:32:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:32:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:32:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:32:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:32:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:32:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:32:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:32:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:32:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:32:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:32:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:32:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:32:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:32:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:32:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:32:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:32:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:32:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:32:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:32:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:32:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:32:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:32:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-11-23 17:32:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-11-23 17:32:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:32:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:32:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:32:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:32:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:32:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:32:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:32:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:32:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:32:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:32:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:32:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:32:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:32:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:10,179 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:10,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:32:11,059 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:32:11,150 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:32:11,160 INFO L158 Benchmark]: Toolchain (without parser) took 2556.58ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 56.5MB in the beginning and 42.2MB in the end (delta: 14.3MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2021-11-23 17:32:11,162 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:32:11,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.45ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 56.4MB in the beginning and 65.1MB in the end (delta: -8.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 17:32:11,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.79ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 59.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:32:11,165 INFO L158 Benchmark]: Boogie Preprocessor took 110.64ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 54.6MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:32:11,166 INFO L158 Benchmark]: RCFGBuilder took 1407.60ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 42.2MB in the end (delta: 12.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-23 17:32:11,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 888.45ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 56.4MB in the beginning and 65.1MB in the end (delta: -8.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.79ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 59.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.64ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 54.6MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1407.60ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 42.2MB in the end (delta: 12.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:32:11,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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 d51a9662ec11e877bdc62fbff8cdf19fcc101bb2b0234c411e7900fe51bd7f38 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:32:13,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:32:13,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:32:13,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:32:13,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:32:13,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:32:13,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:32:13,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:32:13,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:32:13,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:32:13,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:32:13,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:32:13,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:32:13,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:32:13,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:32:13,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:32:13,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:32:13,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:32:13,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:32:13,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:32:13,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:32:13,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:32:13,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:32:13,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:32:13,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:32:13,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:32:13,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:32:13,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:32:13,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:32:13,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:32:13,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:32:13,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:32:13,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:32:13,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:32:13,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:32:13,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:32:13,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:32:13,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:32:13,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:32:13,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:32:13,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:32:13,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:32:13,941 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:32:13,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:32:13,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:32:13,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:32:13,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:32:13,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:32:13,943 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:32:13,943 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:32:13,944 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:32:13,944 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:32:13,945 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:32:13,945 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:32:13,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:32:13,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:32:13,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:32:13,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:32:13,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:32:13,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:32:13,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:32:13,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:32:13,948 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:32:13,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:32:13,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:32:13,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:32:13,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:32:13,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:32:13,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:32:13,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:32:13,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:32:13,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:13,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:32:13,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:32:13,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:32:13,952 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:32:13,952 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:32:13,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:32:13,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:32:13,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:32:13,953 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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d51a9662ec11e877bdc62fbff8cdf19fcc101bb2b0234c411e7900fe51bd7f38 [2021-11-23 17:32:14,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:32:14,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:32:14,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:32:14,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:32:14,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:32:14,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec27_product31.cil.c [2021-11-23 17:32:14,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data/5417ddaf2/90f584aabf8a457d9e40f693fe2a9fb3/FLAG0a0cb0c85 [2021-11-23 17:32:15,248 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:32:15,249 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c [2021-11-23 17:32:15,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data/5417ddaf2/90f584aabf8a457d9e40f693fe2a9fb3/FLAG0a0cb0c85 [2021-11-23 17:32:15,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/data/5417ddaf2/90f584aabf8a457d9e40f693fe2a9fb3 [2021-11-23 17:32:15,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:32:15,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:32:15,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:15,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:32:15,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:32:15,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f5e32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15, skipping insertion in model container [2021-11-23 17:32:15,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:32:15,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:16,159 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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c[61351,61364] [2021-11-23 17:32:16,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:16,189 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:32:16,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:16,335 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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c[61351,61364] [2021-11-23 17:32:16,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:16,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:16,481 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_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c[61351,61364] [2021-11-23 17:32:16,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:16,533 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:16,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16 WrapperNode [2021-11-23 17:32:16,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:16,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:16,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:16,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:16,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,684 INFO L137 Inliner]: procedures = 133, calls = 219, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 952 [2021-11-23 17:32:16,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:16,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:16,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:16,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:16,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:16,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:16,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:16,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:16,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (1/1) ... [2021-11-23 17:32:16,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:16,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:16,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:16,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:32:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:32:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:32:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:32:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:32:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:32:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:32:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:32:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:32:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:32:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:32:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:32:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:32:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:32:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:32:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:32:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:32:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:32:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:32:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:32:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:32:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:32:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:32:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:32:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:32:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:32:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:32:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:32:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:32:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:32:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:32:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:32:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:32:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:32:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:32:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-11-23 17:32:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-11-23 17:32:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:32:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:32:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:32:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:32:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:32:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:32:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:32:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:32:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:32:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:32:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:32:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:32:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:32:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:17,221 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:17,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:32:18,219 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:32:18,244 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:32:18,244 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:32:18,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:32:18 BoogieIcfgContainer [2021-11-23 17:32:18,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:32:18,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:32:18,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:32:18,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:32:18,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:32:15" (1/3) ... [2021-11-23 17:32:18,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1775ec7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:32:18, skipping insertion in model container [2021-11-23 17:32:18,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:16" (2/3) ... [2021-11-23 17:32:18,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1775ec7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:32:18, skipping insertion in model container [2021-11-23 17:32:18,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:32:18" (3/3) ... [2021-11-23 17:32:18,258 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product31.cil.c [2021-11-23 17:32:18,263 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:32:18,264 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:32:18,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:32:18,342 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:32:18,343 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:32:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 375 states, 288 states have (on average 1.4965277777777777) internal successors, (431), 292 states have internal predecessors, (431), 61 states have call successors, (61), 24 states have call predecessors, (61), 24 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2021-11-23 17:32:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 17:32:18,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:32:18,398 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:32:18,398 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:32:18,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:32:18,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1583649315, now seen corresponding path program 1 times [2021-11-23 17:32:18,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:32:18,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105710530] [2021-11-23 17:32:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:32:18,420 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:32:18,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:32:18,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:32:18,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:32:18,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:32:18,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:32:18,739 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:32:18,746 INFO L158 Benchmark]: Toolchain (without parser) took 3319.95ms. Allocated memory was 52.4MB in the beginning and 86.0MB in the end (delta: 33.6MB). Free memory was 26.6MB in the beginning and 36.8MB in the end (delta: -10.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-23 17:32:18,747 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:32:18,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.19ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 26.5MB in the beginning and 40.0MB in the end (delta: -13.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-23 17:32:18,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.10ms. Allocated memory is still 67.1MB. Free memory was 40.0MB in the beginning and 34.5MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:32:18,751 INFO L158 Benchmark]: Boogie Preprocessor took 131.13ms. Allocated memory is still 67.1MB. Free memory was 34.5MB in the beginning and 30.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:32:18,757 INFO L158 Benchmark]: RCFGBuilder took 1422.14ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 51.8MB in the end (delta: -21.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 17:32:18,758 INFO L158 Benchmark]: TraceAbstraction took 493.71ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 36.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:32:18,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.19ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 26.5MB in the beginning and 40.0MB in the end (delta: -13.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.10ms. Allocated memory is still 67.1MB. Free memory was 40.0MB in the beginning and 34.5MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.13ms. Allocated memory is still 67.1MB. Free memory was 34.5MB in the beginning and 30.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1422.14ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 51.8MB in the end (delta: -21.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 493.71ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 36.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:32:18,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb16c5ca-b9e7-487f-afac-c8d6bc6239ca/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