./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product30.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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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 e931bf8fe4413228ccd3caf40302412c554842907046b600d394a87eb5d13e97 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:53:33,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:53:33,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:53:33,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:53:33,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:53:33,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:53:33,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:53:33,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:53:33,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:53:33,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:53:33,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:53:33,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:53:33,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:53:33,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:53:33,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:53:33,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:53:33,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:53:33,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:53:33,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:53:33,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:53:33,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:53:33,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:53:33,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:53:33,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:53:33,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:53:33,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:53:33,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:53:33,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:53:33,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:53:33,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:53:33,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:53:33,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:53:33,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:53:33,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:53:33,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:53:33,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:53:33,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:53:33,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:53:33,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:53:33,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:53:33,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:53:33,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:53:33,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:53:33,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:53:33,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:53:33,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:53:33,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:53:33,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:53:33,537 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:53:33,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:53:33,538 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:53:33,538 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:53:33,538 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:53:33,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:53:33,539 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:53:33,539 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:53:33,539 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:53:33,540 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:53:33,540 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:53:33,540 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:53:33,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:53:33,541 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:53:33,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:53:33,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:53:33,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:53:33,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:53:33,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:53:33,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:53:33,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:53:33,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:53:33,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:53:33,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:53:33,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:53:33,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:53:33,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:33,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:53:33,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:53:33,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:53:33,549 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:53:33,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:53:33,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:53:33,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:53:33,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:53:33,550 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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e931bf8fe4413228ccd3caf40302412c554842907046b600d394a87eb5d13e97 [2021-11-23 16:53:33,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:53:33,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:53:33,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:53:33,931 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:53:33,932 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:53:33,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2021-11-23 16:53:34,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data/60fa1a682/8af62efafc4340f3a1c1f0d4ec039fb8/FLAG9b2561bb6 [2021-11-23 16:53:34,713 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:53:34,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2021-11-23 16:53:34,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data/60fa1a682/8af62efafc4340f3a1c1f0d4ec039fb8/FLAG9b2561bb6 [2021-11-23 16:53:34,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data/60fa1a682/8af62efafc4340f3a1c1f0d4ec039fb8 [2021-11-23 16:53:34,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:53:34,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:53:34,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:53:34,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:53:34,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:53:34,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:53:34" (1/1) ... [2021-11-23 16:53:34,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7769544e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:34, skipping insertion in model container [2021-11-23 16:53:34,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:53:34" (1/1) ... [2021-11-23 16:53:34,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:53:35,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:53:35,603 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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41508,41521] [2021-11-23 16:53:35,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:35,756 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:53:35,874 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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41508,41521] [2021-11-23 16:53:35,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:35,966 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:53:35,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35 WrapperNode [2021-11-23 16:53:35,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:53:35,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:53:35,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:53:35,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:53:35,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,097 INFO L137 Inliner]: procedures = 132, calls = 223, calls flagged for inlining = 61, calls inlined = 51, statements flattened = 923 [2021-11-23 16:53:36,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:53:36,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:53:36,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:53:36,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:53:36,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:53:36,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:53:36,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:53:36,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:53:36,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:35" (1/1) ... [2021-11-23 16:53:36,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:36,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:53:36,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:53:36,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:53:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:53:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:53:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:53:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:53:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:53:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:53:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:53:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:53:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:53:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:53:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:53:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:53:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:53:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:53:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:53:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:53:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:53:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:53:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:53:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:53:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:53:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:53:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:53:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:53:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:53:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:53:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:53:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:53:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:53:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:53:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:53:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:53:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:53:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:53:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:53:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:53:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:53:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:53:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:53:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:53:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:53:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:53:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:53:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:53:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:53:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:53:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:53:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:53:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:53:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:53:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:53:36,771 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:53:36,774 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:53:37,494 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:53:37,585 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:53:37,590 INFO L158 Benchmark]: Toolchain (without parser) took 2663.20ms. Allocated memory is still 119.5MB. Free memory was 98.3MB in the beginning and 89.5MB in the end (delta: 8.7MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2021-11-23 16:53:37,592 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:53:37,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1039.72ms. Allocated memory is still 119.5MB. Free memory was 97.6MB in the beginning and 57.0MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 16:53:37,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.23ms. Allocated memory is still 119.5MB. Free memory was 57.0MB in the beginning and 51.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:53:37,612 INFO L158 Benchmark]: Boogie Preprocessor took 165.26ms. Allocated memory is still 119.5MB. Free memory was 51.5MB in the beginning and 94.8MB in the end (delta: -43.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:53:37,612 INFO L158 Benchmark]: RCFGBuilder took 1323.33ms. Allocated memory is still 119.5MB. Free memory was 94.1MB in the beginning and 89.5MB in the end (delta: 4.6MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2021-11-23 16:53:37,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1039.72ms. Allocated memory is still 119.5MB. Free memory was 97.6MB in the beginning and 57.0MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.23ms. Allocated memory is still 119.5MB. Free memory was 57.0MB in the beginning and 51.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.26ms. Allocated memory is still 119.5MB. Free memory was 51.5MB in the beginning and 94.8MB in the end (delta: -43.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1323.33ms. Allocated memory is still 119.5MB. Free memory was 94.1MB in the beginning and 89.5MB in the end (delta: 4.6MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:53:37,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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 e931bf8fe4413228ccd3caf40302412c554842907046b600d394a87eb5d13e97 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:53:40,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:53:40,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:53:40,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:53:40,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:53:40,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:53:40,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:53:40,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:53:40,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:53:40,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:53:40,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:53:40,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:53:40,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:53:40,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:53:40,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:53:40,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:53:40,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:53:40,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:53:40,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:53:40,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:53:40,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:53:40,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:53:40,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:53:40,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:53:40,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:53:40,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:53:40,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:53:40,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:53:40,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:53:40,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:53:40,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:53:40,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:53:40,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:53:40,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:53:40,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:53:40,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:53:40,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:53:40,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:53:40,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:53:40,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:53:40,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:53:40,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:53:40,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:53:40,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:53:40,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:53:40,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:53:40,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:53:40,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:53:40,381 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:53:40,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:53:40,382 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:53:40,382 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:53:40,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:53:40,383 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:53:40,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:53:40,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:53:40,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:53:40,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:53:40,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:53:40,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:53:40,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:53:40,386 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:53:40,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:53:40,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:53:40,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:53:40,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:53:40,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:53:40,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:53:40,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:53:40,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:53:40,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:53:40,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:40,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:53:40,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:53:40,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:53:40,392 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:53:40,392 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:53:40,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:53:40,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:53:40,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:53:40,393 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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e931bf8fe4413228ccd3caf40302412c554842907046b600d394a87eb5d13e97 [2021-11-23 16:53:40,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:53:40,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:53:40,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:53:40,892 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:53:40,894 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:53:40,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2021-11-23 16:53:40,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data/db6f9e72e/3cef90bdcc894fabae54df483ed2aced/FLAG40d81c7d1 [2021-11-23 16:53:41,730 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:53:41,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2021-11-23 16:53:41,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data/db6f9e72e/3cef90bdcc894fabae54df483ed2aced/FLAG40d81c7d1 [2021-11-23 16:53:41,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/data/db6f9e72e/3cef90bdcc894fabae54df483ed2aced [2021-11-23 16:53:41,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:53:41,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:53:41,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:53:41,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:53:41,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:53:41,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:53:41" (1/1) ... [2021-11-23 16:53:41,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c04bb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:41, skipping insertion in model container [2021-11-23 16:53:41,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:53:41" (1/1) ... [2021-11-23 16:53:41,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:53:42,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:53:42,548 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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41508,41521] [2021-11-23 16:53:42,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:42,662 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:53:42,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:53:42,756 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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41508,41521] [2021-11-23 16:53:42,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:42,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:53:42,863 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_bbd99da4-c7d1-4331-afef-c42edf2a89f1/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41508,41521] [2021-11-23 16:53:42,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:42,970 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:53:42,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42 WrapperNode [2021-11-23 16:53:42,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:53:42,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:53:42,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:53:42,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:53:42,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,098 INFO L137 Inliner]: procedures = 134, calls = 223, calls flagged for inlining = 61, calls inlined = 51, statements flattened = 873 [2021-11-23 16:53:43,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:53:43,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:53:43,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:53:43,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:53:43,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:53:43,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:53:43,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:53:43,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:53:43,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (1/1) ... [2021-11-23 16:53:43,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:43,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:53:43,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:53:43,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:53:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:53:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:53:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:53:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:53:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:53:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:53:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:53:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:53:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:53:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:53:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:53:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:53:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:53:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:53:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:53:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:53:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:53:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:53:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:53:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:53:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:53:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:53:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:53:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:53:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:53:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:53:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:53:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:53:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:53:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:53:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:53:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:53:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:53:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:53:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:53:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:53:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:53:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:53:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:53:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:53:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:53:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:53:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:53:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:53:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:53:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:53:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:53:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:53:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:53:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:53:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:53:43,725 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:53:43,728 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:53:44,706 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:53:44,718 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:53:44,718 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:53:44,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:53:44 BoogieIcfgContainer [2021-11-23 16:53:44,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:53:44,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:53:44,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:53:44,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:53:44,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:53:41" (1/3) ... [2021-11-23 16:53:44,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fee755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:53:44, skipping insertion in model container [2021-11-23 16:53:44,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:42" (2/3) ... [2021-11-23 16:53:44,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fee755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:53:44, skipping insertion in model container [2021-11-23 16:53:44,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:53:44" (3/3) ... [2021-11-23 16:53:44,730 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product30.cil.c [2021-11-23 16:53:44,736 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:53:44,736 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:53:44,792 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:53:44,799 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 16:53:44,799 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:53:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 348 states, 270 states have (on average 1.5148148148148148) internal successors, (409), 274 states have internal predecessors, (409), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-11-23 16:53:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 16:53:44,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:53:44,865 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:53:44,866 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:53:44,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:53:44,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2031054471, now seen corresponding path program 1 times [2021-11-23 16:53:44,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:53:44,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288000604] [2021-11-23 16:53:44,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:53:44,895 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:53:44,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:53:44,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:53:44,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:53:45,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:53:45,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:53:45,233 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:53:45,243 INFO L158 Benchmark]: Toolchain (without parser) took 3319.19ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 58.6MB in the beginning and 45.7MB in the end (delta: 12.9MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-23 16:53:45,244 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:53:45,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.32ms. Allocated memory is still 75.5MB. Free memory was 58.5MB in the beginning and 37.5MB in the end (delta: 21.0MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-11-23 16:53:45,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.55ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 31.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:53:45,249 INFO L158 Benchmark]: Boogie Preprocessor took 136.45ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 31.9MB in the beginning and 74.5MB in the end (delta: -42.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:53:45,251 INFO L158 Benchmark]: RCFGBuilder took 1484.04ms. Allocated memory is still 96.5MB. Free memory was 74.5MB in the beginning and 59.9MB in the end (delta: 14.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 16:53:45,259 INFO L158 Benchmark]: TraceAbstraction took 517.26ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 45.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 16:53:45,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.32ms. Allocated memory is still 75.5MB. Free memory was 58.5MB in the beginning and 37.5MB in the end (delta: 21.0MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.55ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 31.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.45ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 31.9MB in the beginning and 74.5MB in the end (delta: -42.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1484.04ms. Allocated memory is still 96.5MB. Free memory was 74.5MB in the beginning and 59.9MB in the end (delta: 14.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 517.26ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 45.7MB in the end (delta: 14.2MB). 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 16:53:45,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd99da4-c7d1-4331-afef-c42edf2a89f1/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