./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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 15275a4436f6ed835fc824ec788a3589ee34ef53cd98082c25cb994e481acd9a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:57,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:57,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:57,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:57,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:57,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:57,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:57,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:57,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:57,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:57,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:57,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:57,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:57,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:57,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:57,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:57,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:57,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:57,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:57,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:57,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:57,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:57,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:57,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:57,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:57,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:57,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:57,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:57,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:57,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:57,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:57,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:57,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:57,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:57,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:57,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:57,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:57,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:57,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:57,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:57,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:57,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:44:57,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:57,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:57,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:57,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:57,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:57,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:57,584 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:57,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:57,584 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:57,584 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:44:57,588 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:57,588 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:57,589 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:44:57,589 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:44:57,589 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:57,589 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:44:57,589 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:44:57,590 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:44:57,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:57,591 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:57,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:57,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:57,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:57,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:57,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:57,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:57,594 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:57,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:57,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:57,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:57,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:57,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:57,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:57,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:57,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:57,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:57,596 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:44:57,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:44:57,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:57,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:57,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:57,597 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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15275a4436f6ed835fc824ec788a3589ee34ef53cd98082c25cb994e481acd9a [2021-11-23 16:44:57,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:57,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:57,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:57,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:57,919 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:57,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product30.cil.c [2021-11-23 16:44:57,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data/9c00e0d39/003cd7453c99462198c0efb1a07e0fef/FLAG1ec65bb16 [2021-11-23 16:44:58,715 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:58,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/sv-benchmarks/c/product-lines/email_spec8_product30.cil.c [2021-11-23 16:44:58,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data/9c00e0d39/003cd7453c99462198c0efb1a07e0fef/FLAG1ec65bb16 [2021-11-23 16:44:58,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data/9c00e0d39/003cd7453c99462198c0efb1a07e0fef [2021-11-23 16:44:58,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:58,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:58,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:58,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:58,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:58,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7ca5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58, skipping insertion in model container [2021-11-23 16:44:58,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:59,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:59,359 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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/sv-benchmarks/c/product-lines/email_spec8_product30.cil.c[7858,7871] [2021-11-23 16:44:59,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:59,800 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:59,826 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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/sv-benchmarks/c/product-lines/email_spec8_product30.cil.c[7858,7871] [2021-11-23 16:44:59,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:59,971 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:44:59,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59 WrapperNode [2021-11-23 16:44:59,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:59,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:59,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:44:59,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:44:59,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,109 INFO L137 Inliner]: procedures = 132, calls = 223, calls flagged for inlining = 61, calls inlined = 51, statements flattened = 923 [2021-11-23 16:45:00,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:00,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:00,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:00,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:00,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:00,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:00,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:00,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:00,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:59" (1/1) ... [2021-11-23 16:45:00,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:00,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:00,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:00,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:45:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:45:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:45:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:45:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:45:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:45:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:45:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:45:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:45:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:45:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:45:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:45:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:45:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:45:00,289 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:45:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:45:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:45:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:45:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:45:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:45:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:45:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:45:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:45:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:45:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:45:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:45:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:45:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:45:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:45:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:45:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:45:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:45:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:45:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:45:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:45:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:45:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:45:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:45:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:45:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:45:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:45:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:45:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:45:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:45:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:45:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:45:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:45:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:45:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:00,581 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:00,583 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:45:01,423 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:45:01,504 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:45:01,514 INFO L158 Benchmark]: Toolchain (without parser) took 2599.52ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 45.5MB in the beginning and 44.0MB in the end (delta: 1.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-23 16:45:01,515 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:01,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1053.94ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 45.3MB in the beginning and 64.9MB in the end (delta: -19.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:01,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.29ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 59.3MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:01,540 INFO L158 Benchmark]: Boogie Preprocessor took 82.49ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 55.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:01,541 INFO L158 Benchmark]: RCFGBuilder took 1317.36ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 44.0MB in the end (delta: 11.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-23 16:45:01,544 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 86.0MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1053.94ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 45.3MB in the beginning and 64.9MB in the end (delta: -19.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.29ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 59.3MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.49ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 55.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1317.36ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 44.0MB in the end (delta: 11.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:45:01,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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 15275a4436f6ed835fc824ec788a3589ee34ef53cd98082c25cb994e481acd9a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:45:04,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:45:04,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:45:04,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:45:04,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:45:04,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:45:04,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:45:04,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:45:04,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:45:04,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:45:04,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:45:04,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:45:04,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:45:04,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:45:04,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:45:04,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:45:04,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:45:04,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:45:04,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:45:04,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:45:04,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:45:04,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:45:04,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:45:04,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:45:04,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:45:04,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:45:04,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:45:04,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:45:04,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:45:04,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:45:04,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:45:04,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:45:04,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:45:04,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:45:04,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:45:04,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:45:04,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:45:04,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:45:04,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:45:04,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:45:04,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:45:04,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:45:04,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:45:04,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:45:04,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:45:04,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:45:04,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:45:04,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:45:04,317 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:45:04,318 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:45:04,318 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:45:04,318 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:45:04,319 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:45:04,320 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:45:04,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:45:04,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:45:04,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:45:04,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:45:04,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:45:04,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:45:04,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:45:04,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:45:04,323 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:45:04,323 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:45:04,323 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:45:04,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:45:04,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:45:04,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:45:04,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:45:04,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:45:04,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:45:04,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:04,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:45:04,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:45:04,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:45:04,326 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:45:04,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:45:04,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:45:04,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:45:04,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:45:04,328 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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15275a4436f6ed835fc824ec788a3589ee34ef53cd98082c25cb994e481acd9a [2021-11-23 16:45:04,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:45:04,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:45:04,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:45:04,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:45:04,735 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:45:04,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product30.cil.c [2021-11-23 16:45:04,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data/6ef107370/a74f7b4dc0454d83afe0000efc45a8d9/FLAG7fb547452 [2021-11-23 16:45:05,592 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:45:05,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/sv-benchmarks/c/product-lines/email_spec8_product30.cil.c [2021-11-23 16:45:05,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data/6ef107370/a74f7b4dc0454d83afe0000efc45a8d9/FLAG7fb547452 [2021-11-23 16:45:05,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/data/6ef107370/a74f7b4dc0454d83afe0000efc45a8d9 [2021-11-23 16:45:05,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:45:05,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:45:05,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:05,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:45:05,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:45:05,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:05" (1/1) ... [2021-11-23 16:45:05,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbf1910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:05, skipping insertion in model container [2021-11-23 16:45:05,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:05" (1/1) ... [2021-11-23 16:45:05,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:45:05,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:06,248 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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/sv-benchmarks/c/product-lines/email_spec8_product30.cil.c[7858,7871] [2021-11-23 16:45:06,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:06,631 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:45:06,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:06,678 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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/sv-benchmarks/c/product-lines/email_spec8_product30.cil.c[7858,7871] [2021-11-23 16:45:06,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:06,807 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:45:06,839 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_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/sv-benchmarks/c/product-lines/email_spec8_product30.cil.c[7858,7871] [2021-11-23 16:45:06,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:06,995 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:45:06,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06 WrapperNode [2021-11-23 16:45:06,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:06,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:06,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:45:06,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:45:07,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,135 INFO L137 Inliner]: procedures = 134, calls = 223, calls flagged for inlining = 61, calls inlined = 51, statements flattened = 873 [2021-11-23 16:45:07,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:07,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:07,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:07,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:07,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:07,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:07,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:07,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:07,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (1/1) ... [2021-11-23 16:45:07,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:07,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:07,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:07,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:45:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:45:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:45:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:45:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:45:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:45:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:45:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:45:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:45:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:45:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:45:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:45:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:45:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:45:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:45:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:45:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:45:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:45:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:45:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:45:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:45:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:45:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:45:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:45:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:45:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:45:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:45:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:45:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:45:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:45:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:45:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:45:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:45:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:45:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:45:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:45:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:45:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:45:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:45:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:45:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:45:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:45:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:45:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:45:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:45:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:45:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:45:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:45:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:07,670 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:07,673 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:45:08,652 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:45:08,674 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:45:08,674 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:45:08,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:45:08 BoogieIcfgContainer [2021-11-23 16:45:08,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:45:08,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:45:08,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:45:08,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:45:08,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:45:05" (1/3) ... [2021-11-23 16:45:08,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30725e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:45:08, skipping insertion in model container [2021-11-23 16:45:08,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:06" (2/3) ... [2021-11-23 16:45:08,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30725e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:45:08, skipping insertion in model container [2021-11-23 16:45:08,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:45:08" (3/3) ... [2021-11-23 16:45:08,688 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product30.cil.c [2021-11-23 16:45:08,694 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:45:08,694 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:45:08,752 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:45:08,760 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 16:45:08,760 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:45:08,803 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 16:45:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 16:45:08,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:45:08,834 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 16:45:08,838 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:45:08,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:45:08,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2031054471, now seen corresponding path program 1 times [2021-11-23 16:45:08,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:45:08,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068508138] [2021-11-23 16:45:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:45:08,867 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:45:08,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:45:08,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:45:08,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:45:09,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:45:09,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:45:09,222 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:45:09,230 INFO L158 Benchmark]: Toolchain (without parser) took 3452.77ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 34.2MB in the beginning and 51.0MB in the end (delta: -16.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 16:45:09,230 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:09,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1219.73ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.0MB in the beginning and 46.1MB in the end (delta: -12.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 16:45:09,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.27ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 40.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:45:09,234 INFO L158 Benchmark]: Boogie Preprocessor took 118.62ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 36.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:09,239 INFO L158 Benchmark]: RCFGBuilder took 1423.63ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 36.3MB in the beginning and 41.4MB in the end (delta: -5.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-23 16:45:09,240 INFO L158 Benchmark]: TraceAbstraction took 546.21ms. Allocated memory is still 86.0MB. Free memory was 40.9MB in the beginning and 51.0MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:09,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1219.73ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.0MB in the beginning and 46.1MB in the end (delta: -12.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.27ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 40.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.62ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 36.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1423.63ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 36.3MB in the beginning and 41.4MB in the end (delta: -5.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 546.21ms. Allocated memory is still 86.0MB. Free memory was 40.9MB in the beginning and 51.0MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:45:09,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36bd70-aff9-4b1f-b96b-f3eae2a40cf3/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