./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product22.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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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 b01b58381ce8e0150d6e0f0de264371fec0586e2ead4f1a313de13afba1fd67c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:02:40,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:02:40,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:02:40,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:02:40,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:02:40,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:02:40,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:02:40,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:02:40,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:02:40,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:02:40,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:02:40,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:02:40,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:02:40,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:02:40,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:02:40,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:02:40,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:02:40,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:02:40,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:02:40,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:02:40,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:02:40,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:02:40,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:02:40,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:02:40,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:02:40,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:02:40,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:02:40,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:02:40,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:02:40,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:02:40,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:02:40,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:02:40,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:02:40,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:02:40,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:02:40,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:02:40,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:02:40,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:02:40,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:02:40,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:02:40,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:02:40,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:02:40,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:02:40,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:02:40,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:02:40,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:02:40,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:02:40,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:02:40,942 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:02:40,942 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:02:40,942 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:02:40,942 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:02:40,944 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:02:40,944 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:02:40,944 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:02:40,944 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:02:40,945 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:02:40,945 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:02:40,945 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:02:40,945 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:02:40,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:02:40,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:02:40,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:02:40,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:02:40,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:02:40,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:02:40,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:02:40,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:02:40,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:02:40,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:02:40,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:02:40,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:02:40,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:02:40,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:02:40,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:02:40,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:02:40,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:02:40,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:02:40,951 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:02:40,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:02:40,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:02:40,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:02:40,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:02:40,952 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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01b58381ce8e0150d6e0f0de264371fec0586e2ead4f1a313de13afba1fd67c [2021-11-23 17:02:41,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:02:41,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:02:41,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:02:41,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:02:41,353 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:02:41,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product22.cil.c [2021-11-23 17:02:41,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data/bad601f76/0661c15ebff74f7b92e44aeae28f3729/FLAG9b6a911eb [2021-11-23 17:02:42,092 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:02:42,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c [2021-11-23 17:02:42,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data/bad601f76/0661c15ebff74f7b92e44aeae28f3729/FLAG9b6a911eb [2021-11-23 17:02:42,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data/bad601f76/0661c15ebff74f7b92e44aeae28f3729 [2021-11-23 17:02:42,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:02:42,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:02:42,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:02:42,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:02:42,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:02:42,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:02:42" (1/1) ... [2021-11-23 17:02:42,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7153c815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:42, skipping insertion in model container [2021-11-23 17:02:42,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:02:42" (1/1) ... [2021-11-23 17:02:42,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:02:42,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:02:42,920 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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c[29813,29826] [2021-11-23 17:02:43,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:02:43,068 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:02:43,184 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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c[29813,29826] [2021-11-23 17:02:43,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:02:43,290 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:02:43,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43 WrapperNode [2021-11-23 17:02:43,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:02:43,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:02:43,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:02:43,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:02:43,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,458 INFO L137 Inliner]: procedures = 129, calls = 211, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 1031 [2021-11-23 17:02:43,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:02:43,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:02:43,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:02:43,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:02:43,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:02:43,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:02:43,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:02:43,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:02:43,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:43" (1/1) ... [2021-11-23 17:02:43,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:02:43,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:02:43,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:02:43,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:02:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:02:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:02:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:02:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:02:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:02:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:02:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:02:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:02:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:02:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:02:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:02:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:02:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:02:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:02:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:02:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:02:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:02:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:02:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:02:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:02:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:02:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:02:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:02:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:02:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:02:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:02:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:02:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:02:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:02:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:02:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:02:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:02:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:02:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:02:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:02:43,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:02:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:02:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:02:43,749 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:02:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:02:43,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:02:44,096 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:02:44,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:02:45,053 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:02:45,109 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 17:02:45,113 INFO L158 Benchmark]: Toolchain (without parser) took 2795.87ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 43.8MB in the beginning and 77.3MB in the end (delta: -33.5MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2021-11-23 17:02:45,114 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 53.8MB in the beginning and 53.7MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:02:45,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 970.26ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.6MB in the beginning and 47.6MB in the end (delta: -4.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:02:45,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.51ms. Allocated memory is still 98.6MB. Free memory was 47.6MB in the beginning and 41.7MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:02:45,117 INFO L158 Benchmark]: Boogie Preprocessor took 81.68ms. Allocated memory is still 98.6MB. Free memory was 41.7MB in the beginning and 71.5MB in the end (delta: -29.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 17:02:45,118 INFO L158 Benchmark]: RCFGBuilder took 1565.35ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 71.4MB in the beginning and 77.3MB in the end (delta: -5.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 17:02:45,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 53.8MB in the beginning and 53.7MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 970.26ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.6MB in the beginning and 47.6MB in the end (delta: -4.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 170.51ms. Allocated memory is still 98.6MB. Free memory was 47.6MB in the beginning and 41.7MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.68ms. Allocated memory is still 98.6MB. Free memory was 41.7MB in the beginning and 71.5MB in the end (delta: -29.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1565.35ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 71.4MB in the beginning and 77.3MB in the end (delta: -5.8MB). Peak memory consumption was 41.9MB. 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 17:02:45,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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 b01b58381ce8e0150d6e0f0de264371fec0586e2ead4f1a313de13afba1fd67c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:02:47,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:02:47,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:02:47,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:02:47,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:02:47,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:02:47,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:02:48,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:02:48,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:02:48,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:02:48,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:02:48,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:02:48,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:02:48,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:02:48,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:02:48,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:02:48,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:02:48,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:02:48,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:02:48,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:02:48,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:02:48,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:02:48,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:02:48,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:02:48,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:02:48,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:02:48,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:02:48,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:02:48,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:02:48,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:02:48,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:02:48,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:02:48,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:02:48,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:02:48,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:02:48,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:02:48,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:02:48,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:02:48,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:02:48,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:02:48,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:02:48,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:02:48,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:02:48,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:02:48,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:02:48,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:02:48,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:02:48,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:02:48,109 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:02:48,109 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:02:48,110 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:02:48,110 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:02:48,110 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:02:48,111 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:02:48,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:02:48,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:02:48,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:02:48,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:02:48,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:02:48,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:02:48,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:02:48,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:02:48,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:02:48,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:02:48,114 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:02:48,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:02:48,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:02:48,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:02:48,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:02:48,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:02:48,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:02:48,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:02:48,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:02:48,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:02:48,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:02:48,118 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:02:48,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:02:48,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:02:48,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:02:48,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:02:48,119 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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01b58381ce8e0150d6e0f0de264371fec0586e2ead4f1a313de13afba1fd67c [2021-11-23 17:02:48,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:02:48,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:02:48,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:02:48,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:02:48,660 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:02:48,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product22.cil.c [2021-11-23 17:02:48,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data/6e17d40d2/6299ea3a555942d084c070da966a5c57/FLAGfae66f81d [2021-11-23 17:02:49,625 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:02:49,626 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c [2021-11-23 17:02:49,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data/6e17d40d2/6299ea3a555942d084c070da966a5c57/FLAGfae66f81d [2021-11-23 17:02:49,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/data/6e17d40d2/6299ea3a555942d084c070da966a5c57 [2021-11-23 17:02:49,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:02:49,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:02:49,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:02:49,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:02:49,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:02:49,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:02:49" (1/1) ... [2021-11-23 17:02:49,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6720b629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:49, skipping insertion in model container [2021-11-23 17:02:49,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:02:49" (1/1) ... [2021-11-23 17:02:49,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:02:49,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:02:50,429 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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c[29813,29826] [2021-11-23 17:02:50,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:02:50,644 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:02:50,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:02:50,752 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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c[29813,29826] [2021-11-23 17:02:50,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:02:50,839 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:02:50,922 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_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/sv-benchmarks/c/product-lines/email_spec8_product22.cil.c[29813,29826] [2021-11-23 17:02:50,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:02:51,011 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:02:51,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51 WrapperNode [2021-11-23 17:02:51,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:02:51,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:02:51,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:02:51,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:02:51,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,157 INFO L137 Inliner]: procedures = 131, calls = 211, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 980 [2021-11-23 17:02:51,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:02:51,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:02:51,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:02:51,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:02:51,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:02:51,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:02:51,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:02:51,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:02:51,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (1/1) ... [2021-11-23 17:02:51,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:02:51,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:02:51,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:02:51,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:02:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:02:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:02:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:02:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:02:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:02:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:02:51,400 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:02:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:02:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:02:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:02:51,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:02:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:02:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:02:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:02:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:02:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:02:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:02:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:02:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:02:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:02:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:02:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:02:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:02:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:02:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:02:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:02:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:02:51,717 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:02:51,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:02:52,621 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:02:52,643 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:02:52,643 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:02:52,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:02:52 BoogieIcfgContainer [2021-11-23 17:02:52,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:02:52,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:02:52,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:02:52,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:02:52,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:02:49" (1/3) ... [2021-11-23 17:02:52,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52fe50d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:02:52, skipping insertion in model container [2021-11-23 17:02:52,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:51" (2/3) ... [2021-11-23 17:02:52,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52fe50d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:02:52, skipping insertion in model container [2021-11-23 17:02:52,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:02:52" (3/3) ... [2021-11-23 17:02:52,653 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product22.cil.c [2021-11-23 17:02:52,659 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:02:52,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:02:52,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:02:52,720 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 17:02:52,721 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:02:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 322 states, 252 states have (on average 1.5277777777777777) internal successors, (385), 256 states have internal predecessors, (385), 50 states have call successors, (50), 18 states have call predecessors, (50), 18 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-11-23 17:02:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 17:02:52,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:02:52,766 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] [2021-11-23 17:02:52,766 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:02:52,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:02:52,772 INFO L85 PathProgramCache]: Analyzing trace with hash -113168014, now seen corresponding path program 1 times [2021-11-23 17:02:52,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:02:52,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202316977] [2021-11-23 17:02:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:02:52,788 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:02:52,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:02:52,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:02:52,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:02:52,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:02:53,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:02:53,125 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 17:02:53,133 INFO L158 Benchmark]: Toolchain (without parser) took 3356.11ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 46.4MB in the beginning and 39.0MB in the end (delta: 7.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2021-11-23 17:02:53,134 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:02:53,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1234.88ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 46.2MB in the beginning and 52.1MB in the end (delta: -5.8MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-23 17:02:53,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.32ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 46.5MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:02:53,138 INFO L158 Benchmark]: Boogie Preprocessor took 140.84ms. Allocated memory is still 94.4MB. Free memory was 46.5MB in the beginning and 71.3MB in the end (delta: -24.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2021-11-23 17:02:53,143 INFO L158 Benchmark]: RCFGBuilder took 1345.89ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 53.7MB in the end (delta: 17.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-11-23 17:02:53,145 INFO L158 Benchmark]: TraceAbstraction took 483.20ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 39.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:02:53,150 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 69.2MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1234.88ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 46.2MB in the beginning and 52.1MB in the end (delta: -5.8MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.32ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 46.5MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.84ms. Allocated memory is still 94.4MB. Free memory was 46.5MB in the beginning and 71.3MB in the end (delta: -24.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1345.89ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 53.7MB in the end (delta: 17.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * TraceAbstraction took 483.20ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 39.0MB in the end (delta: 14.1MB). 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 17:02:53,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ce7bb-f0e8-4028-b5d5-afe614afce2a/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