./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product13.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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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 102266cd9873aec631509424dd889c2e48b781667738cfaa50930481a41b1570 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:45:22,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:45:22,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:45:22,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:45:22,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:45:22,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:45:22,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:45:22,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:45:22,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:45:22,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:45:22,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:45:22,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:45:22,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:45:22,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:45:22,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:45:22,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:45:22,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:45:22,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:45:22,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:45:22,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:45:22,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:45:22,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:45:22,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:45:22,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:45:22,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:45:22,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:45:22,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:45:22,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:45:22,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:45:22,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:45:22,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:45:22,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:45:22,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:45:22,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:45:22,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:45:22,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:45:22,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:45:22,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:45:22,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:45:22,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:45:22,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:45:22,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:45:23,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:45:23,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:45:23,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:45:23,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:45:23,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:45:23,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:45:23,011 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:45:23,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:45:23,011 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:45:23,011 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:45:23,012 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:45:23,013 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:45:23,013 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:45:23,013 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:45:23,013 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:45:23,014 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:45:23,014 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:45:23,014 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:45:23,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:45:23,015 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:45:23,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:45:23,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:45:23,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:45:23,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:45:23,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:45:23,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:45:23,018 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:45:23,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:45:23,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:45:23,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:45:23,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:45:23,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:45:23,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:23,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:45:23,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:45:23,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:45:23,020 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:45:23,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:45:23,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:45:23,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:45:23,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:45:23,021 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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 102266cd9873aec631509424dd889c2e48b781667738cfaa50930481a41b1570 [2021-11-23 16:45:23,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:45:23,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:45:23,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:45:23,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:45:23,389 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:45:23,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2021-11-23 16:45:23,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data/5f0cc36a4/803c8e1ce44f428ebb5dbcb853434c9e/FLAG817d71593 [2021-11-23 16:45:24,159 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:45:24,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2021-11-23 16:45:24,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data/5f0cc36a4/803c8e1ce44f428ebb5dbcb853434c9e/FLAG817d71593 [2021-11-23 16:45:24,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data/5f0cc36a4/803c8e1ce44f428ebb5dbcb853434c9e [2021-11-23 16:45:24,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:45:24,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:45:24,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:24,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:45:24,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:45:24,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:24" (1/1) ... [2021-11-23 16:45:24,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6994030c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:24, skipping insertion in model container [2021-11-23 16:45:24,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:24" (1/1) ... [2021-11-23 16:45:24,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:45:24,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:25,060 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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 16:45:25,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:25,074 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:45:25,218 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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 16:45:25,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:25,258 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:45:25,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25 WrapperNode [2021-11-23 16:45:25,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:25,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:25,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:45:25,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:45:25,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,372 INFO L137 Inliner]: procedures = 124, calls = 190, calls flagged for inlining = 52, calls inlined = 44, statements flattened = 819 [2021-11-23 16:45:25,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:25,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:25,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:25,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:25,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:25,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:25,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:25,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:25,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:25" (1/1) ... [2021-11-23 16:45:25,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:25,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:25,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:25,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:45:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:45:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:45:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:45:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:45:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:45:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:45:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:45:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:45:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:45:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:45:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:45:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:45:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:45:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:45:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:45:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:45:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:45:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:45:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:45:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:45:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:45:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:45:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:45:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:45:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-11-23 16:45:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-11-23 16:45:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:45:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:45:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:45:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:45:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:45:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:45:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:45:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:45:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:45:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:25,836 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:25,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:45:26,686 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:45:26,778 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 16:45:26,784 INFO L158 Benchmark]: Toolchain (without parser) took 2406.59ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 66.7MB in the beginning and 61.0MB in the end (delta: 5.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2021-11-23 16:45:26,786 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 56.6MB in the beginning and 56.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:26,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.36ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 52.0MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:45:26,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.95ms. Allocated memory is still 102.8MB. Free memory was 52.0MB in the beginning and 46.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:45:26,790 INFO L158 Benchmark]: Boogie Preprocessor took 101.46ms. Allocated memory is still 102.8MB. Free memory was 46.9MB in the beginning and 43.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:26,792 INFO L158 Benchmark]: RCFGBuilder took 1288.55ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 43.2MB in the beginning and 61.0MB in the end (delta: -17.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:45:26,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 56.6MB in the beginning and 56.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.36ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 52.0MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.95ms. Allocated memory is still 102.8MB. Free memory was 52.0MB in the beginning and 46.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.46ms. Allocated memory is still 102.8MB. Free memory was 46.9MB in the beginning and 43.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1288.55ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 43.2MB in the beginning and 61.0MB in the end (delta: -17.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:45:26,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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 102266cd9873aec631509424dd889c2e48b781667738cfaa50930481a41b1570 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:45:29,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:45:29,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:45:29,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:45:29,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:45:29,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:45:29,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:45:29,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:45:29,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:45:29,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:45:29,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:45:29,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:45:29,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:45:29,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:45:29,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:45:29,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:45:29,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:45:29,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:45:29,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:45:29,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:45:29,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:45:29,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:45:29,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:45:29,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:45:29,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:45:29,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:45:29,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:45:29,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:45:29,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:45:29,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:45:29,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:45:29,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:45:29,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:45:29,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:45:29,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:45:29,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:45:29,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:45:29,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:45:29,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:45:29,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:45:29,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:45:29,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:45:29,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:45:29,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:45:29,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:45:29,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:45:29,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:45:29,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:45:29,490 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:45:29,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:45:29,491 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:45:29,491 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:45:29,492 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:45:29,492 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:45:29,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:45:29,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:45:29,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:45:29,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:45:29,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:45:29,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:45:29,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:45:29,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:45:29,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:45:29,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:45:29,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:45:29,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:45:29,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:45:29,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:45:29,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:45:29,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:45:29,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:45:29,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:29,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:45:29,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:45:29,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:45:29,500 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:45:29,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:45:29,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:45:29,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:45:29,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:45:29,501 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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 102266cd9873aec631509424dd889c2e48b781667738cfaa50930481a41b1570 [2021-11-23 16:45:29,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:45:29,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:45:29,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:45:29,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:45:29,934 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:45:29,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2021-11-23 16:45:30,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data/97d6257b7/d6b90f78767e4e1aad466d99e11db755/FLAG22eb63823 [2021-11-23 16:45:30,688 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:45:30,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2021-11-23 16:45:30,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data/97d6257b7/d6b90f78767e4e1aad466d99e11db755/FLAG22eb63823 [2021-11-23 16:45:30,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/data/97d6257b7/d6b90f78767e4e1aad466d99e11db755 [2021-11-23 16:45:30,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:45:30,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:45:30,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:30,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:45:30,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:45:30,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:30" (1/1) ... [2021-11-23 16:45:30,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e5bcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:30, skipping insertion in model container [2021-11-23 16:45:30,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:30" (1/1) ... [2021-11-23 16:45:30,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:45:31,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:31,807 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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 16:45:31,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:31,849 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:45:31,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:32,026 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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 16:45:32,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:32,038 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:45:32,158 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_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 16:45:32,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:32,203 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:45:32,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32 WrapperNode [2021-11-23 16:45:32,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:32,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:32,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:45:32,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:45:32,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,353 INFO L137 Inliner]: procedures = 126, calls = 190, calls flagged for inlining = 52, calls inlined = 44, statements flattened = 779 [2021-11-23 16:45:32,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:32,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:32,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:32,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:32,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:32,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:32,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:32,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:32,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (1/1) ... [2021-11-23 16:45:32,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:32,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:32,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:32,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:45:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:45:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:45:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:45:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:45:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:45:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:45:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:45:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:45:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:45:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:45:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:45:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:45:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:45:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:45:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:45:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:45:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:45:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:45:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:45:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:45:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:45:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:45:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:45:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:45:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-11-23 16:45:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-11-23 16:45:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:45:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:45:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:45:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:45:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:45:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:45:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:45:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:45:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:45:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:32,781 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:32,783 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:45:33,540 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:45:33,551 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:45:33,551 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:45:33,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:45:33 BoogieIcfgContainer [2021-11-23 16:45:33,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:45:33,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:45:33,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:45:33,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:45:33,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:45:30" (1/3) ... [2021-11-23 16:45:33,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396f72f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:45:33, skipping insertion in model container [2021-11-23 16:45:33,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:32" (2/3) ... [2021-11-23 16:45:33,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396f72f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:45:33, skipping insertion in model container [2021-11-23 16:45:33,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:45:33" (3/3) ... [2021-11-23 16:45:33,563 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product13.cil.c [2021-11-23 16:45:33,568 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:45:33,569 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:45:33,616 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:45:33,623 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 16:45:33,623 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:45:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 278 states, 221 states have (on average 1.5475113122171946) internal successors, (342), 223 states have internal predecessors, (342), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-23 16:45:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 16:45:33,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:45:33,666 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-11-23 16:45:33,667 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:45:33,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:45:33,672 INFO L85 PathProgramCache]: Analyzing trace with hash -313384498, now seen corresponding path program 1 times [2021-11-23 16:45:33,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:45:33,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142274784] [2021-11-23 16:45:33,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:45:33,689 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:45:33,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:45:33,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:45:33,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:45:33,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:45:34,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:45:34,015 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 16:45:34,022 INFO L158 Benchmark]: Toolchain (without parser) took 3091.08ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: -78.8kB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:34,023 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:34,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1268.86ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 33.5MB in the beginning and 46.9MB in the end (delta: -13.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-11-23 16:45:34,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.64ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 41.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:45:34,028 INFO L158 Benchmark]: Boogie Preprocessor took 109.00ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 38.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:34,034 INFO L158 Benchmark]: RCFGBuilder took 1081.17ms. Allocated memory is still 77.6MB. Free memory was 38.1MB in the beginning and 47.3MB in the end (delta: -9.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 16:45:34,035 INFO L158 Benchmark]: TraceAbstraction took 463.79ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 33.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:45:34,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1268.86ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 33.5MB in the beginning and 46.9MB in the end (delta: -13.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.64ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 41.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.00ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 38.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1081.17ms. Allocated memory is still 77.6MB. Free memory was 38.1MB in the beginning and 47.3MB in the end (delta: -9.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 463.79ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 33.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. 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 16:45:34,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd3e9f2-873f-4fc6-a412-5dfc0482ca23/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