./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_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_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/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_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/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_c4adf66a-5811-49b8-a9ee-e8b392355b13/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 f0b632d57a1aaab7587941b987ac776406d0d2705d0d18f7c4a153447ae1ce66 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:01:05,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:01:05,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:01:05,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:01:05,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:01:05,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:01:05,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:01:05,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:01:05,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:01:05,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:01:05,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:01:05,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:01:05,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:01:05,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:01:05,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:01:05,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:01:05,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:01:05,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:01:05,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:01:05,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:01:05,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:01:05,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:01:05,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:01:05,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:01:05,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:01:05,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:01:05,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:01:05,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:01:05,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:01:05,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:01:05,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:01:05,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:01:05,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:01:05,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:01:05,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:01:05,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:01:05,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:01:05,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:01:05,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:01:05,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:01:05,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:01:05,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:01:05,262 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:01:05,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:01:05,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:01:05,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:01:05,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:01:05,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:01:05,264 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:01:05,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:01:05,265 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:01:05,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:01:05,265 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:01:05,265 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:01:05,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:01:05,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:01:05,266 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:01:05,266 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:01:05,267 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:01:05,267 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:01:05,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:01:05,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:01:05,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:01:05,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:01:05,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:01:05,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:01:05,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:01:05,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:01:05,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:01:05,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:01:05,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:01:05,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:01:05,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:01:05,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:01:05,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:05,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:01:05,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:01:05,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:01:05,273 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:01:05,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:01:05,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:01:05,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:01:05,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:01:05,274 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_c4adf66a-5811-49b8-a9ee-e8b392355b13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b632d57a1aaab7587941b987ac776406d0d2705d0d18f7c4a153447ae1ce66 [2021-11-23 17:01:05,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:01:05,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:01:05,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:01:05,608 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:01:05,609 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:01:05,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec7_product30.cil.c [2021-11-23 17:01:05,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data/5ed8cac07/650719fbc4c441e2a8c3fb4e8fab4c49/FLAG7b20b38de [2021-11-23 17:01:06,444 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:01:06,445 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/sv-benchmarks/c/product-lines/email_spec7_product30.cil.c [2021-11-23 17:01:06,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data/5ed8cac07/650719fbc4c441e2a8c3fb4e8fab4c49/FLAG7b20b38de [2021-11-23 17:01:06,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data/5ed8cac07/650719fbc4c441e2a8c3fb4e8fab4c49 [2021-11-23 17:01:06,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:01:06,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:01:06,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:06,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:01:06,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:01:06,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:06" (1/1) ... [2021-11-23 17:01:06,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fc303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:06, skipping insertion in model container [2021-11-23 17:01:06,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:06" (1/1) ... [2021-11-23 17:01:06,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:01:06,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:07,341 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_c4adf66a-5811-49b8-a9ee-e8b392355b13/sv-benchmarks/c/product-lines/email_spec7_product30.cil.c[50838,50851] [2021-11-23 17:01:07,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:07,428 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:01:07,574 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_c4adf66a-5811-49b8-a9ee-e8b392355b13/sv-benchmarks/c/product-lines/email_spec7_product30.cil.c[50838,50851] [2021-11-23 17:01:07,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:07,674 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:01:07,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07 WrapperNode [2021-11-23 17:01:07,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:07,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:07,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:01:07,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:01:07,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,805 INFO L137 Inliner]: procedures = 131, calls = 215, calls flagged for inlining = 60, calls inlined = 50, statements flattened = 896 [2021-11-23 17:01:07,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:07,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:01:07,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:01:07,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:01:07,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:01:07,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:01:07,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:01:07,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:01:07,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:07" (1/1) ... [2021-11-23 17:01:07,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:07,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:01:07,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:01:07,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:01:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:01:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:01:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:01:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:01:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:01:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:01:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:01:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:01:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:01:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:01:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:01:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:01:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:01:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:01:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:01:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:01:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:01:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:01:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:01:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:01:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:01:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:01:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:01:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:01:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:01:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:01:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:01:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:01:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:01:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:01:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:01:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:01:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:01:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:01:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:01:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:01:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:01:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:01:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:01:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:01:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:01:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:01:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:01:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:01:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:01:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:01:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:01:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:01:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:01:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:01:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:01:08,417 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:01:08,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:01:09,317 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:01:09,417 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:01:09,423 INFO L158 Benchmark]: Toolchain (without parser) took 2824.66ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 71.6MB in the beginning and 64.5MB in the end (delta: 7.1MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2021-11-23 17:01:09,424 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:01:09,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1077.51ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 59.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-23 17:01:09,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.88ms. Allocated memory is still 111.1MB. Free memory was 59.2MB in the beginning and 53.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:01:09,428 INFO L158 Benchmark]: Boogie Preprocessor took 97.47ms. Allocated memory is still 111.1MB. Free memory was 53.5MB in the beginning and 49.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:01:09,429 INFO L158 Benchmark]: RCFGBuilder took 1514.65ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 49.3MB in the beginning and 64.5MB in the end (delta: -15.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-23 17:01:09,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1077.51ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 59.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.88ms. Allocated memory is still 111.1MB. Free memory was 59.2MB in the beginning and 53.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.47ms. Allocated memory is still 111.1MB. Free memory was 53.5MB in the beginning and 49.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1514.65ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 49.3MB in the beginning and 64.5MB in the end (delta: -15.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:01:09,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/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_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/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_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/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_c4adf66a-5811-49b8-a9ee-e8b392355b13/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 f0b632d57a1aaab7587941b987ac776406d0d2705d0d18f7c4a153447ae1ce66 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:01:12,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:01:12,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:01:12,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:01:12,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:01:12,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:01:12,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:01:12,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:01:12,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:01:12,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:01:12,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:01:12,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:01:12,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:01:12,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:01:12,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:01:12,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:01:12,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:01:12,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:01:12,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:01:12,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:01:12,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:01:12,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:01:12,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:01:12,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:01:12,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:01:12,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:01:12,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:01:12,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:01:12,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:01:12,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:01:12,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:01:12,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:01:12,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:01:12,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:01:12,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:01:12,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:01:12,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:01:12,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:01:12,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:01:12,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:01:12,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:01:12,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:01:12,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:01:12,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:01:12,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:01:12,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:01:12,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:01:12,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:01:12,670 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:01:12,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:01:12,671 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:01:12,671 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:01:12,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:01:12,673 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:01:12,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:01:12,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:01:12,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:01:12,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:01:12,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:01:12,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:01:12,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:01:12,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:01:12,677 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:01:12,678 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:01:12,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:01:12,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:01:12,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:01:12,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:01:12,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:01:12,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:01:12,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:01:12,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:12,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:01:12,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:01:12,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:01:12,682 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:01:12,683 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:01:12,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:01:12,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:01:12,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:01:12,684 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_c4adf66a-5811-49b8-a9ee-e8b392355b13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b632d57a1aaab7587941b987ac776406d0d2705d0d18f7c4a153447ae1ce66 [2021-11-23 17:01:13,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:01:13,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:01:13,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:01:13,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:01:13,155 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:01:13,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec7_product30.cil.c [2021-11-23 17:01:13,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data/748fc63a3/410b1adc8ee04741a3287fad8687277e/FLAG22f744a2d [2021-11-23 17:01:14,013 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:01:14,013 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/sv-benchmarks/c/product-lines/email_spec7_product30.cil.c [2021-11-23 17:01:14,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data/748fc63a3/410b1adc8ee04741a3287fad8687277e/FLAG22f744a2d [2021-11-23 17:01:14,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/data/748fc63a3/410b1adc8ee04741a3287fad8687277e [2021-11-23 17:01:14,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:01:14,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:01:14,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:14,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:01:14,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:01:14,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:14" (1/1) ... [2021-11-23 17:01:14,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66dce77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:14, skipping insertion in model container [2021-11-23 17:01:14,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:14" (1/1) ... [2021-11-23 17:01:14,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:01:14,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:15,046 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_c4adf66a-5811-49b8-a9ee-e8b392355b13/sv-benchmarks/c/product-lines/email_spec7_product30.cil.c[50838,50851] [2021-11-23 17:01:15,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:15,216 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:01:15,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:15,376 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_c4adf66a-5811-49b8-a9ee-e8b392355b13/sv-benchmarks/c/product-lines/email_spec7_product30.cil.c[50838,50851] [2021-11-23 17:01:15,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:15,436 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:01:15,506 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_c4adf66a-5811-49b8-a9ee-e8b392355b13/sv-benchmarks/c/product-lines/email_spec7_product30.cil.c[50838,50851] [2021-11-23 17:01:15,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:15,564 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:01:15,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15 WrapperNode [2021-11-23 17:01:15,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:15,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:15,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:01:15,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:01:15,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,740 INFO L137 Inliner]: procedures = 133, calls = 215, calls flagged for inlining = 60, calls inlined = 50, statements flattened = 849 [2021-11-23 17:01:15,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:15,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:01:15,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:01:15,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:01:15,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:01:15,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:01:15,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:01:15,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:01:15,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (1/1) ... [2021-11-23 17:01:15,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:15,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:01:15,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:01:15,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:01:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:01:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:01:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:01:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:01:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:01:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:01:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:01:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:01:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:01:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:01:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:01:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:01:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:01:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:01:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:01:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:01:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:01:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:01:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:01:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:01:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:01:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:01:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:01:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:01:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:01:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:01:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:01:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:01:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:01:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:01:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:01:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:01:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:01:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:01:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:01:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:01:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:01:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:01:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:01:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:01:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:01:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:01:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:01:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:01:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:01:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:01:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:01:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:01:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:01:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:01:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:01:16,357 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:01:16,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:01:17,343 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:01:17,365 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:01:17,367 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:01:17,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:01:17 BoogieIcfgContainer [2021-11-23 17:01:17,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:01:17,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:01:17,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:01:17,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:01:17,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:01:14" (1/3) ... [2021-11-23 17:01:17,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b9920c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:01:17, skipping insertion in model container [2021-11-23 17:01:17,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:15" (2/3) ... [2021-11-23 17:01:17,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b9920c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:01:17, skipping insertion in model container [2021-11-23 17:01:17,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:01:17" (3/3) ... [2021-11-23 17:01:17,380 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product30.cil.c [2021-11-23 17:01:17,387 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:01:17,387 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:01:17,452 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:01:17,464 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:01:17,464 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:01:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 344 states, 267 states have (on average 1.5168539325842696) internal successors, (405), 271 states have internal predecessors, (405), 52 states have call successors, (52), 23 states have call predecessors, (52), 23 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-23 17:01:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 17:01:17,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:01:17,525 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:01:17,525 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:01:17,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:01:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1085574528, now seen corresponding path program 1 times [2021-11-23 17:01:17,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:01:17,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965253665] [2021-11-23 17:01:17,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:01:17,550 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:01:17,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:01:17,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:01:17,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:01:17,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:01:17,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:01:17,870 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:01:17,875 INFO L158 Benchmark]: Toolchain (without parser) took 3685.43ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 38.1MB in the beginning and 42.2MB in the end (delta: -4.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 17:01:17,876 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:01:17,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1374.60ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 38.0MB in the beginning and 54.9MB in the end (delta: -16.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 17:01:17,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.14ms. Allocated memory is still 88.1MB. Free memory was 54.9MB in the beginning and 49.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:01:17,878 INFO L158 Benchmark]: Boogie Preprocessor took 134.77ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 45.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:01:17,879 INFO L158 Benchmark]: RCFGBuilder took 1481.15ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 56.5MB in the end (delta: -11.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-11-23 17:01:17,879 INFO L158 Benchmark]: TraceAbstraction took 499.80ms. Allocated memory is still 88.1MB. Free memory was 56.0MB in the beginning and 42.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:01:17,884 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 60.8MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1374.60ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 38.0MB in the beginning and 54.9MB in the end (delta: -16.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.14ms. Allocated memory is still 88.1MB. Free memory was 54.9MB in the beginning and 49.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.77ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 45.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1481.15ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 56.5MB in the end (delta: -11.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 499.80ms. Allocated memory is still 88.1MB. Free memory was 56.0MB in the beginning and 42.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:01:17,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4adf66a-5811-49b8-a9ee-e8b392355b13/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable