./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product14.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_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/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_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/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_2b609f31-4da6-4618-9e85-ae23d0ada77f/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 bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:37:58,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:37:58,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:37:58,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:37:58,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:37:58,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:37:58,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:37:58,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:37:58,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:37:58,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:37:58,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:37:58,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:37:58,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:37:58,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:37:58,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:37:58,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:37:58,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:37:58,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:37:58,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:37:58,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:37:58,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:37:58,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:37:58,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:37:58,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:37:58,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:37:58,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:37:58,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:37:58,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:37:58,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:37:58,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:37:58,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:37:58,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:37:58,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:37:58,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:37:58,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:37:58,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:37:58,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:37:58,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:37:58,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:37:58,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:37:58,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:37:58,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:37:58,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:37:58,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:37:58,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:37:58,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:37:58,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:37:58,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:37:58,161 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:37:58,161 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:37:58,161 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:37:58,161 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:37:58,162 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:37:58,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:37:58,163 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:37:58,163 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:37:58,164 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:37:58,164 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:37:58,164 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:37:58,164 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:37:58,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:37:58,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:37:58,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:37:58,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:37:58,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:37:58,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:37:58,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:37:58,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:37:58,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:37:58,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:37:58,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:37:58,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:37:58,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:37:58,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:37:58,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:37:58,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:37:58,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:37:58,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:37:58,171 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:37:58,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:37:58,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:37:58,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:37:58,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:37:58,172 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_2b609f31-4da6-4618-9e85-ae23d0ada77f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be [2021-11-23 17:37:58,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:37:58,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:37:58,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:37:58,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:37:58,476 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:37:58,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2021-11-23 17:37:58,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data/bda06844a/9eb4aa33bdc54110ae70c39f754b2b54/FLAGe8886eb5e [2021-11-23 17:37:59,284 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:37:59,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2021-11-23 17:37:59,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data/bda06844a/9eb4aa33bdc54110ae70c39f754b2b54/FLAGe8886eb5e [2021-11-23 17:37:59,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data/bda06844a/9eb4aa33bdc54110ae70c39f754b2b54 [2021-11-23 17:37:59,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:37:59,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:37:59,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:37:59,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:37:59,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:37:59,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:37:59" (1/1) ... [2021-11-23 17:37:59,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ad9119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:59, skipping insertion in model container [2021-11-23 17:37:59,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:37:59" (1/1) ... [2021-11-23 17:37:59,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:37:59,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:38:00,161 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_2b609f31-4da6-4618-9e85-ae23d0ada77f/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2021-11-23 17:38:00,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:00,305 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:38:00,408 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_2b609f31-4da6-4618-9e85-ae23d0ada77f/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2021-11-23 17:38:00,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:00,466 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:38:00,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00 WrapperNode [2021-11-23 17:38:00,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:00,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:00,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:38:00,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:38:00,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,583 INFO L137 Inliner]: procedures = 126, calls = 212, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 878 [2021-11-23 17:38:00,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:00,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:38:00,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:38:00,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:38:00,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:38:00,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:38:00,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:38:00,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:38:00,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:00" (1/1) ... [2021-11-23 17:38:00,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:38:00,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:38:00,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:38:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:38:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:38:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 17:38:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 17:38:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:38:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:38:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 17:38:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 17:38:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:38:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:38:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:38:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:38:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:38:00,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:38:00,804 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:38:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:38:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:38:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:38:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:38:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:38:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:38:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:38:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:38:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:38:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:38:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:38:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 17:38:00,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 17:38:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:38:00,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:38:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:38:00,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:38:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:38:00,807 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:38:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-11-23 17:38:00,808 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-11-23 17:38:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:38:00,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:38:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:38:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:38:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:38:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:38:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:38:00,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:38:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:38:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:38:00,811 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:38:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 17:38:00,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 17:38:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:38:00,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:38:01,060 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:38:01,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:38:01,879 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:38:01,958 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 17:38:01,963 INFO L158 Benchmark]: Toolchain (without parser) took 2495.97ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 56.8MB in the beginning and 53.3MB in the end (delta: 3.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-23 17:38:01,965 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:38:01,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 998.96ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 56.6MB in the beginning and 69.2MB in the end (delta: -12.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 17:38:01,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.47ms. Allocated memory is still 121.6MB. Free memory was 68.7MB in the beginning and 63.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:38:01,968 INFO L158 Benchmark]: Boogie Preprocessor took 101.18ms. Allocated memory is still 121.6MB. Free memory was 63.9MB in the beginning and 59.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:38:01,969 INFO L158 Benchmark]: RCFGBuilder took 1273.68ms. Allocated memory is still 121.6MB. Free memory was 59.7MB in the beginning and 53.3MB in the end (delta: 6.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-11-23 17:38:01,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 998.96ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 56.6MB in the beginning and 69.2MB in the end (delta: -12.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.47ms. Allocated memory is still 121.6MB. Free memory was 68.7MB in the beginning and 63.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.18ms. Allocated memory is still 121.6MB. Free memory was 63.9MB in the beginning and 59.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1273.68ms. Allocated memory is still 121.6MB. Free memory was 59.7MB in the beginning and 53.3MB in the end (delta: 6.4MB). Peak memory consumption was 20.2MB. 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 17:38:02,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/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_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/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_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/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_2b609f31-4da6-4618-9e85-ae23d0ada77f/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 bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:38:04,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:38:04,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:38:04,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:38:04,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:38:04,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:38:04,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:38:04,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:38:04,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:38:04,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:38:04,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:38:04,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:38:04,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:38:04,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:38:04,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:38:04,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:38:04,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:38:04,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:38:04,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:38:04,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:38:04,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:38:04,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:38:04,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:38:04,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:38:04,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:38:04,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:38:04,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:38:04,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:38:04,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:38:04,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:38:04,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:38:04,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:38:04,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:38:04,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:38:04,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:38:04,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:38:04,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:38:04,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:38:04,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:38:04,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:38:04,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:38:04,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:38:04,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:38:04,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:38:04,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:38:04,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:38:04,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:38:04,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:38:04,713 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:38:04,713 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:38:04,713 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:38:04,713 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:38:04,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:38:04,715 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:38:04,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:38:04,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:38:04,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:38:04,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:38:04,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:38:04,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:38:04,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:38:04,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:38:04,719 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:38:04,719 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:38:04,720 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:38:04,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:38:04,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:38:04,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:38:04,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:38:04,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:38:04,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:38:04,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:04,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:38:04,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:38:04,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:38:04,723 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:38:04,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:38:04,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:38:04,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:38:04,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:38:04,725 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_2b609f31-4da6-4618-9e85-ae23d0ada77f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be [2021-11-23 17:38:05,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:38:05,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:38:05,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:38:05,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:38:05,142 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:38:05,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2021-11-23 17:38:05,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data/442795fc4/5e3baf243431447a8c64124a77e4e4e1/FLAGea06662c0 [2021-11-23 17:38:05,919 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:38:05,921 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2021-11-23 17:38:05,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data/442795fc4/5e3baf243431447a8c64124a77e4e4e1/FLAGea06662c0 [2021-11-23 17:38:06,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/data/442795fc4/5e3baf243431447a8c64124a77e4e4e1 [2021-11-23 17:38:06,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:38:06,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:38:06,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:06,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:38:06,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:38:06,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:38:06" (1/1) ... [2021-11-23 17:38:06,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b66990d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:06, skipping insertion in model container [2021-11-23 17:38:06,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:38:06" (1/1) ... [2021-11-23 17:38:06,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:38:06,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:38:06,757 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_2b609f31-4da6-4618-9e85-ae23d0ada77f/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2021-11-23 17:38:06,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:06,923 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:38:06,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:38:07,040 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_2b609f31-4da6-4618-9e85-ae23d0ada77f/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2021-11-23 17:38:07,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:07,102 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:38:07,238 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_2b609f31-4da6-4618-9e85-ae23d0ada77f/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c[43937,43950] [2021-11-23 17:38:07,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:07,331 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:38:07,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07 WrapperNode [2021-11-23 17:38:07,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:07,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:07,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:38:07,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:38:07,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,489 INFO L137 Inliner]: procedures = 128, calls = 212, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 832 [2021-11-23 17:38:07,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:07,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:38:07,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:38:07,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:38:07,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:38:07,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:38:07,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:38:07,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:38:07,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (1/1) ... [2021-11-23 17:38:07,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:07,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:38:07,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:38:07,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:38:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:38:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:38:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-11-23 17:38:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-11-23 17:38:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:38:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:38:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-11-23 17:38:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-11-23 17:38:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:38:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:38:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:38:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:38:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:38:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:38:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:38:07,707 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:38:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:38:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:38:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:38:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:38:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:38:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:38:07,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:38:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:38:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:38:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:38:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-11-23 17:38:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-11-23 17:38:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:38:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:38:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:38:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:38:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:38:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:38:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:38:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-11-23 17:38:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-11-23 17:38:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:38:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:38:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:38:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:38:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:38:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:38:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:38:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:38:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:38:07,714 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:38:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-11-23 17:38:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-11-23 17:38:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:38:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:38:07,960 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:38:07,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:38:08,927 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:38:08,938 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:38:08,938 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:38:08,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:38:08 BoogieIcfgContainer [2021-11-23 17:38:08,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:38:08,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:38:08,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:38:08,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:38:08,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:38:06" (1/3) ... [2021-11-23 17:38:08,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6be30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:38:08, skipping insertion in model container [2021-11-23 17:38:08,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:07" (2/3) ... [2021-11-23 17:38:08,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6be30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:38:08, skipping insertion in model container [2021-11-23 17:38:08,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:38:08" (3/3) ... [2021-11-23 17:38:08,971 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2021-11-23 17:38:08,976 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:38:08,977 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:38:09,026 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:38:09,032 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 17:38:09,033 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:38:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 274 states have (on average 1.572992700729927) internal successors, (431), 279 states have internal predecessors, (431), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2021-11-23 17:38:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 17:38:09,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:38:09,098 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:38:09,099 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:38:09,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:38:09,109 INFO L85 PathProgramCache]: Analyzing trace with hash 331586566, now seen corresponding path program 1 times [2021-11-23 17:38:09,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:38:09,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958344112] [2021-11-23 17:38:09,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:38:09,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:38:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:38:09,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:38:09,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:38:09,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:38:09,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:38:09,462 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 17:38:09,467 INFO L158 Benchmark]: Toolchain (without parser) took 3341.52ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 39.8MB in the beginning and 42.9MB in the end (delta: -3.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 17:38:09,468 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:38:09,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.28ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 39.5MB in the beginning and 38.7MB in the end (delta: 833.9kB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-23 17:38:09,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.97ms. Allocated memory is still 81.8MB. Free memory was 38.7MB in the beginning and 58.5MB in the end (delta: -19.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-23 17:38:09,473 INFO L158 Benchmark]: Boogie Preprocessor took 119.64ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 54.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:38:09,475 INFO L158 Benchmark]: RCFGBuilder took 1329.17ms. Allocated memory is still 81.8MB. Free memory was 54.3MB in the beginning and 32.5MB in the end (delta: 21.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-23 17:38:09,482 INFO L158 Benchmark]: TraceAbstraction took 499.47ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 42.9MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:38:09,488 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 62.9MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.28ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 39.5MB in the beginning and 38.7MB in the end (delta: 833.9kB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.97ms. Allocated memory is still 81.8MB. Free memory was 38.7MB in the beginning and 58.5MB in the end (delta: -19.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.64ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 54.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1329.17ms. Allocated memory is still 81.8MB. Free memory was 54.3MB in the beginning and 32.5MB in the end (delta: 21.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 499.47ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 42.9MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:38:09,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b609f31-4da6-4618-9e85-ae23d0ada77f/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