./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product26.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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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 1c7cb2243c6731bf722079adc6952447a998ab6b938202887231d0b533119871 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:09:07,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:09:07,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:09:07,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:09:07,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:09:07,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:09:07,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:09:07,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:09:07,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:09:07,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:09:07,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:09:07,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:09:07,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:09:07,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:09:07,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:09:07,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:09:07,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:09:07,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:09:07,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:09:07,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:09:07,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:09:07,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:09:07,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:09:07,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:09:07,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:09:07,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:09:07,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:09:07,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:09:07,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:09:07,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:09:07,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:09:07,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:09:07,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:09:07,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:09:07,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:09:07,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:09:07,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:09:07,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:09:07,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:09:07,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:09:07,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:09:07,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:09:07,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:09:07,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:09:07,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:09:07,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:09:07,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:09:07,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:09:07,307 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:09:07,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:09:07,307 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:09:07,308 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:09:07,309 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:09:07,309 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:09:07,309 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:09:07,309 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:09:07,310 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:09:07,310 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:09:07,310 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:09:07,310 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:09:07,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:09:07,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:09:07,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:09:07,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:09:07,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:09:07,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:09:07,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:09:07,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:09:07,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:09:07,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:09:07,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:09:07,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:09:07,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:09:07,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:09:07,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:07,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:09:07,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:09:07,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:09:07,316 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:09:07,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:09:07,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:09:07,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:09:07,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:09:07,317 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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c7cb2243c6731bf722079adc6952447a998ab6b938202887231d0b533119871 [2021-11-23 17:09:07,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:09:07,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:09:07,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:09:07,722 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:09:07,723 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:09:07,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2021-11-23 17:09:07,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data/8c296b497/715cdc80b5d940ed8dd63fa9636acc34/FLAG58545ee02 [2021-11-23 17:09:08,620 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:09:08,621 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2021-11-23 17:09:08,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data/8c296b497/715cdc80b5d940ed8dd63fa9636acc34/FLAG58545ee02 [2021-11-23 17:09:08,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data/8c296b497/715cdc80b5d940ed8dd63fa9636acc34 [2021-11-23 17:09:08,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:09:08,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:09:08,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:08,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:09:08,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:09:08,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:08" (1/1) ... [2021-11-23 17:09:08,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371cb0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:08, skipping insertion in model container [2021-11-23 17:09:08,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:08" (1/1) ... [2021-11-23 17:09:08,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:09:08,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:09:09,436 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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21785,21798] [2021-11-23 17:09:09,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:09,644 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:09:09,691 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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21785,21798] [2021-11-23 17:09:09,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:09,851 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:09:09,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09 WrapperNode [2021-11-23 17:09:09,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:09,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:09,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:09:09,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:09:09,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:09,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:09,996 INFO L137 Inliner]: procedures = 131, calls = 225, calls flagged for inlining = 60, calls inlined = 57, statements flattened = 1095 [2021-11-23 17:09:09,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:09,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:09:09,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:09:09,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:09:10,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:09:10,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:09:10,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:09:10,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:09:10,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:09" (1/1) ... [2021-11-23 17:09:10,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:10,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:09:10,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:09:10,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:09:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 17:09:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 17:09:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:09:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 17:09:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 17:09:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:09:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:09:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:09:10,223 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-11-23 17:09:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-11-23 17:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:09:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:09:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:09:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:09:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:09:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:09:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:09:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:09:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:09:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:09:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:09:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:09:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:09:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 17:09:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 17:09:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:09:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:09:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:09:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:09:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:09:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:09:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:09:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:09:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:09:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:09:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:09:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:09:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:09:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:09:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:09:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:09:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:09:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 17:09:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 17:09:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:09:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:09:10,489 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:09:10,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:09:11,644 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:09:11,700 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 17:09:11,706 INFO L158 Benchmark]: Toolchain (without parser) took 2980.39ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 58.0MB in the beginning and 73.1MB in the end (delta: -15.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,706 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:09:11,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1125.96ms. Allocated memory is still 98.6MB. Free memory was 57.8MB in the beginning and 45.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.22ms. Allocated memory is still 98.6MB. Free memory was 45.0MB in the beginning and 38.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,709 INFO L158 Benchmark]: Boogie Preprocessor took 116.43ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 38.8MB in the beginning and 92.5MB in the end (delta: -53.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,710 INFO L158 Benchmark]: RCFGBuilder took 1589.00ms. Allocated memory is still 119.5MB. Free memory was 92.5MB in the beginning and 73.1MB in the end (delta: 19.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:11,713 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 98.6MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1125.96ms. Allocated memory is still 98.6MB. Free memory was 57.8MB in the beginning and 45.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.22ms. Allocated memory is still 98.6MB. Free memory was 45.0MB in the beginning and 38.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.43ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 38.8MB in the beginning and 92.5MB in the end (delta: -53.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1589.00ms. Allocated memory is still 119.5MB. Free memory was 92.5MB in the beginning and 73.1MB in the end (delta: 19.4MB). Peak memory consumption was 48.2MB. 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 17:09:11,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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 1c7cb2243c6731bf722079adc6952447a998ab6b938202887231d0b533119871 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:09:14,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:09:14,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:09:14,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:09:14,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:09:14,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:09:14,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:09:14,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:09:14,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:09:14,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:09:14,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:09:14,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:09:14,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:09:14,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:09:14,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:09:14,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:09:14,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:09:14,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:09:14,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:09:14,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:09:14,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:09:14,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:09:14,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:09:14,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:09:14,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:09:14,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:09:14,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:09:14,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:09:14,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:09:14,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:09:14,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:09:14,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:09:14,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:09:14,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:09:14,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:09:14,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:09:14,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:09:14,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:09:14,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:09:14,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:09:14,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:09:14,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:09:14,801 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:09:14,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:09:14,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:09:14,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:09:14,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:09:14,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:09:14,804 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:09:14,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:09:14,804 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:09:14,804 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:09:14,804 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:09:14,805 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:09:14,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:09:14,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:09:14,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:09:14,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:09:14,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:09:14,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:09:14,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:09:14,807 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:09:14,807 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:09:14,808 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:09:14,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:09:14,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:09:14,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:09:14,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:09:14,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:09:14,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:09:14,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:09:14,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:14,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:09:14,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:09:14,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:09:14,810 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:09:14,811 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:09:14,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:09:14,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:09:14,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:09:14,811 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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c7cb2243c6731bf722079adc6952447a998ab6b938202887231d0b533119871 [2021-11-23 17:09:15,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:09:15,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:09:15,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:09:15,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:09:15,301 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:09:15,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2021-11-23 17:09:15,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data/7538413d2/905c1d51c47a4adda93d6bc7bed50bfc/FLAGcb1375cce [2021-11-23 17:09:16,321 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:09:16,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2021-11-23 17:09:16,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data/7538413d2/905c1d51c47a4adda93d6bc7bed50bfc/FLAGcb1375cce [2021-11-23 17:09:16,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/data/7538413d2/905c1d51c47a4adda93d6bc7bed50bfc [2021-11-23 17:09:16,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:09:16,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:09:16,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:16,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:09:16,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:09:16,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:16" (1/1) ... [2021-11-23 17:09:16,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d91405e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:16, skipping insertion in model container [2021-11-23 17:09:16,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:16" (1/1) ... [2021-11-23 17:09:16,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:09:16,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:09:17,069 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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21785,21798] [2021-11-23 17:09:17,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:17,341 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:09:17,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:09:17,436 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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21785,21798] [2021-11-23 17:09:17,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:17,526 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:09:17,592 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_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21785,21798] [2021-11-23 17:09:17,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:17,757 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:09:17,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17 WrapperNode [2021-11-23 17:09:17,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:17,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:17,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:09:17,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:09:17,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,931 INFO L137 Inliner]: procedures = 133, calls = 225, calls flagged for inlining = 60, calls inlined = 57, statements flattened = 1039 [2021-11-23 17:09:17,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:17,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:09:17,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:09:17,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:09:17,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:17,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:18,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:18,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:18,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:18,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:09:18,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:09:18,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:09:18,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:09:18,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (1/1) ... [2021-11-23 17:09:18,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:18,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:09:18,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:09:18,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:09:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 17:09:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 17:09:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:09:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:09:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 17:09:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 17:09:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:09:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:09:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:09:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:09:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-11-23 17:09:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-11-23 17:09:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:09:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:09:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:09:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:09:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:09:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:09:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:09:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:09:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:09:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 17:09:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 17:09:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:09:18,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:09:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:09:18,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:09:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:09:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:09:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:09:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:09:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:09:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:09:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:09:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:09:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:09:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:09:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:09:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:09:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:09:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 17:09:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 17:09:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:09:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:09:18,544 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:09:18,546 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:09:19,898 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:09:19,924 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:09:19,924 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:09:19,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:09:19 BoogieIcfgContainer [2021-11-23 17:09:19,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:09:19,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:09:19,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:09:19,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:09:19,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:09:16" (1/3) ... [2021-11-23 17:09:19,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db2ff4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:09:19, skipping insertion in model container [2021-11-23 17:09:19,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:17" (2/3) ... [2021-11-23 17:09:19,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db2ff4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:09:19, skipping insertion in model container [2021-11-23 17:09:19,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:09:19" (3/3) ... [2021-11-23 17:09:19,941 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product26.cil.c [2021-11-23 17:09:19,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:09:19,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:09:20,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:09:20,026 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 17:09:20,028 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:09:20,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 399 states, 312 states have (on average 1.564102564102564) internal successors, (488), 317 states have internal predecessors, (488), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2021-11-23 17:09:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 17:09:20,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:09:20,124 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] [2021-11-23 17:09:20,125 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:09:20,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:09:20,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1736972103, now seen corresponding path program 1 times [2021-11-23 17:09:20,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:09:20,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395268822] [2021-11-23 17:09:20,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:09:20,163 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:09:20,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:09:20,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:09:20,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:09:20,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:09:20,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:09:20,534 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 17:09:20,539 INFO L158 Benchmark]: Toolchain (without parser) took 4108.66ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 30.3MB in the beginning and 35.4MB in the end (delta: -5.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:20,539 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:09:20,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1328.04ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.0MB in the beginning and 38.3MB in the end (delta: -8.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 17:09:20,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.16ms. Allocated memory is still 67.1MB. Free memory was 38.3MB in the beginning and 32.4MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:20,548 INFO L158 Benchmark]: Boogie Preprocessor took 177.20ms. Allocated memory is still 67.1MB. Free memory was 32.4MB in the beginning and 27.7MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:09:20,551 INFO L158 Benchmark]: RCFGBuilder took 1818.85ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 27.4MB in the beginning and 51.1MB in the end (delta: -23.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:20,555 INFO L158 Benchmark]: TraceAbstraction took 603.89ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 35.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:09:20,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1328.04ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.0MB in the beginning and 38.3MB in the end (delta: -8.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.16ms. Allocated memory is still 67.1MB. Free memory was 38.3MB in the beginning and 32.4MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.20ms. Allocated memory is still 67.1MB. Free memory was 32.4MB in the beginning and 27.7MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1818.85ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 27.4MB in the beginning and 51.1MB in the end (delta: -23.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 603.89ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 35.4MB in the end (delta: 14.7MB). 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 17:09:20,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd9d82f3-2b5d-4888-ba2d-38726101c1b1/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