./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_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_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/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_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/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_39175d36-0da7-4094-b0b5-5bf73e4b232f/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 646f5b113c7a3ad2f4a2522272ad1b8889776081b2b5bc43fffe0e887ddc48f7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:24:49,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:24:49,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:24:49,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:24:49,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:24:49,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:24:49,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:24:49,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:24:49,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:24:49,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:24:49,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:24:49,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:24:49,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:24:49,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:24:49,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:24:49,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:24:49,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:24:49,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:24:49,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:24:49,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:24:49,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:24:49,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:24:49,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:24:49,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:24:49,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:24:49,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:24:49,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:24:49,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:24:49,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:24:49,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:24:49,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:24:49,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:24:49,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:24:49,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:24:49,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:24:49,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:24:49,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:24:49,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:24:49,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:24:49,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:24:49,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:24:49,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:24:49,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:24:49,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:24:49,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:24:49,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:24:49,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:24:49,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:24:49,638 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:24:49,638 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:24:49,638 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:24:49,639 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:24:49,639 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:24:49,639 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:24:49,639 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:24:49,639 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:24:49,640 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:24:49,640 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:24:49,640 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:24:49,640 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:24:49,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:24:49,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:24:49,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:24:49,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:24:49,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:24:49,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:24:49,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:24:49,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:24:49,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:24:49,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:24:49,654 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:24:49,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:24:49,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:24:49,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:24:49,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:49,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:24:49,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:24:49,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:24:49,656 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:24:49,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:24:49,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:24:49,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:24:49,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:24:49,657 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_39175d36-0da7-4094-b0b5-5bf73e4b232f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 646f5b113c7a3ad2f4a2522272ad1b8889776081b2b5bc43fffe0e887ddc48f7 [2021-11-23 17:24:49,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:24:49,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:24:49,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:24:49,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:24:49,958 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:24:49,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec0_product22.cil.c [2021-11-23 17:24:50,042 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data/f00dbd68f/b7269635a5d843e285b9cb4bd011eab6/FLAG47079672b [2021-11-23 17:24:50,823 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:24:50,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c [2021-11-23 17:24:50,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data/f00dbd68f/b7269635a5d843e285b9cb4bd011eab6/FLAG47079672b [2021-11-23 17:24:50,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data/f00dbd68f/b7269635a5d843e285b9cb4bd011eab6 [2021-11-23 17:24:50,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:24:50,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:24:50,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:50,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:24:50,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:24:50,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:50" (1/1) ... [2021-11-23 17:24:50,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7c4553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:50, skipping insertion in model container [2021-11-23 17:24:50,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:50" (1/1) ... [2021-11-23 17:24:50,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:24:50,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:51,269 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_39175d36-0da7-4094-b0b5-5bf73e4b232f/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c[4724,4737] [2021-11-23 17:24:51,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:51,659 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:24:51,697 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_39175d36-0da7-4094-b0b5-5bf73e4b232f/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c[4724,4737] [2021-11-23 17:24:51,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:51,891 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:24:51,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51 WrapperNode [2021-11-23 17:24:51,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:51,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:51,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:24:51,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:24:51,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:51,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,062 INFO L137 Inliner]: procedures = 128, calls = 205, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1008 [2021-11-23 17:24:52,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:52,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:24:52,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:24:52,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:24:52,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:24:52,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:24:52,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:24:52,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:24:52,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:51" (1/1) ... [2021-11-23 17:24:52,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:24:52,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:24:52,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:24:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:24:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:24:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:24:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:24:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:24:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:24:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:24:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:24:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:24:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:24:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:24:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:24:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:24:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:24:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:24:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:24:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:24:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:24:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:24:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:24:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:24:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:24:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:24:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:24:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:24:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:24:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:24:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:24:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:24:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:24:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:24:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:24:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:24:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:24:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:24:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:24:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:24:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:24:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:24:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:24:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:24:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:24:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:24:52,656 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:24:52,659 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:24:53,568 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:24:53,713 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 17:24:53,718 INFO L158 Benchmark]: Toolchain (without parser) took 2812.37ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 57.5MB in the end (delta: 17.3MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-23 17:24:53,719 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:24:53,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 986.16ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 59.6MB in the end (delta: 15.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-11-23 17:24:53,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.69ms. Allocated memory is still 98.6MB. Free memory was 59.6MB in the beginning and 53.7MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:24:53,722 INFO L158 Benchmark]: Boogie Preprocessor took 99.24ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 49.8MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:24:53,723 INFO L158 Benchmark]: RCFGBuilder took 1548.22ms. Allocated memory is still 98.6MB. Free memory was 49.8MB in the beginning and 57.5MB in the end (delta: -7.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-11-23 17:24:53,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 986.16ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 59.6MB in the end (delta: 15.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.69ms. Allocated memory is still 98.6MB. Free memory was 59.6MB in the beginning and 53.7MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.24ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 49.8MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1548.22ms. Allocated memory is still 98.6MB. Free memory was 49.8MB in the beginning and 57.5MB in the end (delta: -7.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:24:53,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/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_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/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_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/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_39175d36-0da7-4094-b0b5-5bf73e4b232f/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 646f5b113c7a3ad2f4a2522272ad1b8889776081b2b5bc43fffe0e887ddc48f7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:24:56,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:24:56,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:24:56,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:24:56,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:24:56,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:24:56,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:24:56,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:24:56,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:24:56,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:24:56,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:24:56,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:24:56,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:24:56,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:24:56,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:24:56,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:24:56,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:24:56,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:24:56,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:24:56,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:24:56,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:24:56,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:24:56,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:24:56,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:24:56,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:24:56,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:24:56,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:24:56,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:24:56,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:24:56,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:24:56,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:24:56,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:24:56,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:24:56,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:24:56,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:24:56,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:24:56,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:24:56,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:24:56,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:24:56,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:24:56,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:24:56,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:24:56,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:24:56,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:24:56,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:24:56,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:24:56,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:24:56,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:24:56,901 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:24:56,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:24:56,902 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:24:56,902 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:24:56,904 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:24:56,904 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:24:56,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:24:56,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:24:56,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:24:56,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:24:56,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:24:56,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:24:56,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:24:56,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:24:56,909 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:24:56,910 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:24:56,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:24:56,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:24:56,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:24:56,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:24:56,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:24:56,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:24:56,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:24:56,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:56,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:24:56,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:24:56,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:24:56,913 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:24:56,914 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:24:56,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:24:56,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:24:56,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:24:56,915 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_39175d36-0da7-4094-b0b5-5bf73e4b232f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 646f5b113c7a3ad2f4a2522272ad1b8889776081b2b5bc43fffe0e887ddc48f7 [2021-11-23 17:24:57,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:24:57,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:24:57,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:24:57,446 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:24:57,446 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:24:57,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec0_product22.cil.c [2021-11-23 17:24:57,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data/8d31b5dff/7a58fbb429cf417eb60fd321c3b2c0c7/FLAGbd37a3eb4 [2021-11-23 17:24:58,322 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:24:58,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c [2021-11-23 17:24:58,356 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data/8d31b5dff/7a58fbb429cf417eb60fd321c3b2c0c7/FLAGbd37a3eb4 [2021-11-23 17:24:58,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/data/8d31b5dff/7a58fbb429cf417eb60fd321c3b2c0c7 [2021-11-23 17:24:58,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:24:58,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:24:58,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:58,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:24:58,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:24:58,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:58" (1/1) ... [2021-11-23 17:24:58,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2c1d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:58, skipping insertion in model container [2021-11-23 17:24:58,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:58" (1/1) ... [2021-11-23 17:24:58,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:24:58,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:58,940 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_39175d36-0da7-4094-b0b5-5bf73e4b232f/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c[4724,4737] [2021-11-23 17:24:59,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:59,419 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:24:59,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:59,451 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_39175d36-0da7-4094-b0b5-5bf73e4b232f/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c[4724,4737] [2021-11-23 17:24:59,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:59,630 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:24:59,662 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_39175d36-0da7-4094-b0b5-5bf73e4b232f/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c[4724,4737] [2021-11-23 17:24:59,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:59,831 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:24:59,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59 WrapperNode [2021-11-23 17:24:59,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:59,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:59,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:24:59,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:24:59,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:24:59,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,040 INFO L137 Inliner]: procedures = 130, calls = 205, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 959 [2021-11-23 17:25:00,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:25:00,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:25:00,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:25:00,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:25:00,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:25:00,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:25:00,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:25:00,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:25:00,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (1/1) ... [2021-11-23 17:25:00,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:25:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:25:00,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:25:00,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:25:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:25:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:25:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:25:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:25:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:25:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:25:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:25:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:25:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:25:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:25:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:25:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:25:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:25:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:25:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:25:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:25:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:25:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:25:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:25:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:25:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:25:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:25:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:25:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:25:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:25:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:25:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:25:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:25:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:25:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:25:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:25:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:25:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:25:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:25:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:25:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:25:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:25:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:25:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:25:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:25:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:25:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:25:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:25:00,573 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:25:00,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:25:01,650 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:25:01,673 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:25:01,673 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:25:01,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:25:01 BoogieIcfgContainer [2021-11-23 17:25:01,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:25:01,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:25:01,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:25:01,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:25:01,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:24:58" (1/3) ... [2021-11-23 17:25:01,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ea0481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:25:01, skipping insertion in model container [2021-11-23 17:25:01,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:59" (2/3) ... [2021-11-23 17:25:01,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ea0481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:25:01, skipping insertion in model container [2021-11-23 17:25:01,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:25:01" (3/3) ... [2021-11-23 17:25:01,692 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product22.cil.c [2021-11-23 17:25:01,699 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:25:01,699 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:25:01,788 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:25:01,796 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 17:25:01,796 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:25:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 322 states, 251 states have (on average 1.5258964143426295) internal successors, (383), 255 states have internal predecessors, (383), 50 states have call successors, (50), 19 states have call predecessors, (50), 19 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-11-23 17:25:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 17:25:01,881 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:25:01,882 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:25:01,883 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:25:01,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:25:01,891 INFO L85 PathProgramCache]: Analyzing trace with hash 524958238, now seen corresponding path program 1 times [2021-11-23 17:25:01,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:25:01,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859212631] [2021-11-23 17:25:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:25:01,914 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:25:01,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:25:01,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:25:01,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:25:02,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:25:02,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:25:02,264 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 17:25:02,270 INFO L158 Benchmark]: Toolchain (without parser) took 3787.13ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 32.9MB in the beginning and 39.6MB in the end (delta: -6.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-23 17:25:02,272 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:25:02,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.02ms. Allocated memory is still 71.3MB. Free memory was 32.7MB in the beginning and 32.0MB in the end (delta: 721.3kB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 17:25:02,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.50ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 32.0MB in the beginning and 70.4MB in the end (delta: -38.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:25:02,274 INFO L158 Benchmark]: Boogie Preprocessor took 148.72ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 66.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:25:02,275 INFO L158 Benchmark]: RCFGBuilder took 1483.41ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 54.3MB in the end (delta: 12.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2021-11-23 17:25:02,276 INFO L158 Benchmark]: TraceAbstraction took 587.72ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 39.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:25:02,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.02ms. Allocated memory is still 71.3MB. Free memory was 32.7MB in the beginning and 32.0MB in the end (delta: 721.3kB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.50ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 32.0MB in the beginning and 70.4MB in the end (delta: -38.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.72ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 66.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1483.41ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 54.3MB in the end (delta: 12.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * TraceAbstraction took 587.72ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 39.6MB in the end (delta: 14.1MB). 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 17:25:02,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39175d36-0da7-4094-b0b5-5bf73e4b232f/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