./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product33.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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:34,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:34,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:34,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:34,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:34,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:34,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:34,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:34,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:34,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:34,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:34,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:34,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:34,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:34,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:34,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:34,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:34,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:34,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:34,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:34,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:34,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:34,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:34,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:34,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:34,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:34,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:34,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:34,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:34,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:34,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:34,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:34,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:34,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:34,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:34,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:34,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:34,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:34,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:34,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:34,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:34,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:15:34,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:34,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:34,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:34,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:34,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:34,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:34,215 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:34,216 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:34,216 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:34,216 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:15:34,217 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:34,217 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:34,218 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:15:34,218 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:15:34,218 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:34,218 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:15:34,219 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:15:34,219 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:15:34,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:34,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:15:34,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:15:34,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:15:34,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:34,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:34,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:34,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:34,223 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:15:34,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:34,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:34,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:34,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:34,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:34,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:34,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:34,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:34,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:34,226 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:15:34,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:15:34,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:34,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:34,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:34,227 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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd [2021-11-23 17:15:34,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:34,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:34,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:34,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:34,525 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:34,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-11-23 17:15:34,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data/cbde647b7/2549b5b2e96d440694f9f5b49d61932a/FLAGb4be0daf0 [2021-11-23 17:15:35,207 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:35,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-11-23 17:15:35,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data/cbde647b7/2549b5b2e96d440694f9f5b49d61932a/FLAGb4be0daf0 [2021-11-23 17:15:35,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data/cbde647b7/2549b5b2e96d440694f9f5b49d61932a [2021-11-23 17:15:35,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:35,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:35,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:35,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:35,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:35,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:35" (1/1) ... [2021-11-23 17:15:35,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3893a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:35, skipping insertion in model container [2021-11-23 17:15:35,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:35" (1/1) ... [2021-11-23 17:15:35,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:35,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:35,987 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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c[31228,31241] [2021-11-23 17:15:36,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:36,310 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:36,384 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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c[31228,31241] [2021-11-23 17:15:36,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:36,511 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:36,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36 WrapperNode [2021-11-23 17:15:36,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:36,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:36,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:36,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:36,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,706 INFO L137 Inliner]: procedures = 134, calls = 227, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1061 [2021-11-23 17:15:36,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:36,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:36,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:36,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:36,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:36,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:36,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:36,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:36,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:36,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:36,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:36,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:15:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:15:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:15:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:15:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:15:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:15:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:15:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:15:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:15:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:15:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:15:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:15:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:15:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:15:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:15:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:15:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:15:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:15:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:15:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:15:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:15:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:15:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:15:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:15:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:15:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:15:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:15:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:15:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:15:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:15:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:15:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:15:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:15:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:15:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:15:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:15:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:15:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:15:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:15:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:15:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:15:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:15:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:15:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:15:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:15:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:15:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:15:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:15:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:15:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:15:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:37,196 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:37,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:38,112 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:38,191 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 17:15:38,197 INFO L158 Benchmark]: Toolchain (without parser) took 2726.39ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 69.1MB in the beginning and 70.9MB in the end (delta: -1.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2021-11-23 17:15:38,202 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:38,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1057.92ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.9MB in the beginning and 97.8MB in the end (delta: -28.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2021-11-23 17:15:38,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.79ms. Allocated memory is still 125.8MB. Free memory was 97.7MB in the beginning and 93.3MB in the end (delta: 4.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-23 17:15:38,206 INFO L158 Benchmark]: Boogie Preprocessor took 67.14ms. Allocated memory is still 125.8MB. Free memory was 93.3MB in the beginning and 89.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:38,207 INFO L158 Benchmark]: RCFGBuilder took 1418.74ms. Allocated memory is still 125.8MB. Free memory was 89.1MB in the beginning and 70.9MB in the end (delta: 18.2MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2021-11-23 17:15:38,218 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 104.9MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1057.92ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.9MB in the beginning and 97.8MB in the end (delta: -28.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.79ms. Allocated memory is still 125.8MB. Free memory was 97.7MB in the beginning and 93.3MB in the end (delta: 4.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.14ms. Allocated memory is still 125.8MB. Free memory was 93.3MB in the beginning and 89.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1418.74ms. Allocated memory is still 125.8MB. Free memory was 89.1MB in the beginning and 70.9MB in the end (delta: 18.2MB). Peak memory consumption was 40.5MB. 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 17:15:38,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:40,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:41,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:41,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:41,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:41,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:41,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:41,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:41,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:41,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:41,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:41,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:41,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:41,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:41,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:41,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:41,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:41,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:41,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:41,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:41,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:41,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:41,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:41,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:41,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:41,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:41,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:41,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:41,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:41,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:41,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:41,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:41,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:41,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:41,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:41,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:41,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:41,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:41,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:41,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:41,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:41,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:15:41,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:41,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:41,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:41,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:41,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:41,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:41,140 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:41,141 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:41,141 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:41,141 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:41,142 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:41,142 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:41,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:41,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:15:41,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:15:41,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:41,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:41,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:41,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:41,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:15:41,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:15:41,146 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:15:41,146 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:15:41,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:41,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:41,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:41,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:41,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:15:41,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:41,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:41,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:41,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:41,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:41,149 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:15:41,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:15:41,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:41,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:41,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:41,151 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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd [2021-11-23 17:15:41,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:41,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:41,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:41,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:41,728 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:41,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-11-23 17:15:41,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data/016a7b465/2a7539e7806c4ef58d690d7ce47b82de/FLAGf4d0636d5 [2021-11-23 17:15:42,493 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:42,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-11-23 17:15:42,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data/016a7b465/2a7539e7806c4ef58d690d7ce47b82de/FLAGf4d0636d5 [2021-11-23 17:15:42,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/data/016a7b465/2a7539e7806c4ef58d690d7ce47b82de [2021-11-23 17:15:42,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:42,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:42,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:42,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:42,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:42,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e80cf65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42, skipping insertion in model container [2021-11-23 17:15:42,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:42,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:43,214 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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c[31228,31241] [2021-11-23 17:15:43,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:43,584 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:15:43,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:43,692 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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c[31228,31241] [2021-11-23 17:15:43,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:43,811 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:43,878 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_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c[31228,31241] [2021-11-23 17:15:43,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:44,005 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:44,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44 WrapperNode [2021-11-23 17:15:44,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:44,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:44,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:44,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:44,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,170 INFO L137 Inliner]: procedures = 136, calls = 227, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1002 [2021-11-23 17:15:44,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:44,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:44,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:44,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:44,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:44,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:44,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:44,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:44,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (1/1) ... [2021-11-23 17:15:44,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:44,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:44,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:44,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 17:15:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 17:15:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:15:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:15:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:15:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:15:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:15:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:15:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:15:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:15:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:15:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:15:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:15:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:15:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:15:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:15:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 17:15:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 17:15:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:15:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:15:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:15:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:15:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:15:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:15:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:15:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:15:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:15:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 17:15:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 17:15:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 17:15:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 17:15:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:15:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:15:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:15:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:15:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:15:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:15:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:15:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 17:15:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 17:15:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:15:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:15:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:15:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:15:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:15:44,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:15:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:15:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:15:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:15:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:15:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:44,699 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:44,702 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:45,944 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:45,976 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:15:45,976 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:15:45,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:45 BoogieIcfgContainer [2021-11-23 17:15:45,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:15:45,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:15:45,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:15:45,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:15:45,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:15:42" (1/3) ... [2021-11-23 17:15:45,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f054693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:45, skipping insertion in model container [2021-11-23 17:15:45,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:44" (2/3) ... [2021-11-23 17:15:45,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f054693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:45, skipping insertion in model container [2021-11-23 17:15:45,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:45" (3/3) ... [2021-11-23 17:15:45,999 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product33.cil.c [2021-11-23 17:15:46,006 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:15:46,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:15:46,092 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:15:46,101 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 17:15:46,101 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:15:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 297 states have (on average 1.5016835016835017) internal successors, (446), 301 states have internal predecessors, (446), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2021-11-23 17:15:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 17:15:46,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:15:46,170 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:15:46,171 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:15:46,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:15:46,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1873468759, now seen corresponding path program 1 times [2021-11-23 17:15:46,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:15:46,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419710414] [2021-11-23 17:15:46,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:15:46,200 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:15:46,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:15:46,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:15:46,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:15:46,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:15:46,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:15:46,614 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 17:15:46,619 INFO L158 Benchmark]: Toolchain (without parser) took 3932.39ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 40.8MB in the beginning and 36.0MB in the end (delta: 4.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:46,625 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:46,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1316.59ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 40.6MB in the beginning and 54.2MB in the end (delta: -13.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:46,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.35ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 48.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:15:46,630 INFO L158 Benchmark]: Boogie Preprocessor took 88.04ms. Allocated memory is still 90.2MB. Free memory was 48.3MB in the beginning and 43.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:46,632 INFO L158 Benchmark]: RCFGBuilder took 1722.08ms. Allocated memory is still 90.2MB. Free memory was 43.7MB in the beginning and 51.4MB in the end (delta: -7.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 17:15:46,634 INFO L158 Benchmark]: TraceAbstraction took 630.94ms. Allocated memory is still 90.2MB. Free memory was 50.9MB in the beginning and 36.0MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:15:46,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1316.59ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 40.6MB in the beginning and 54.2MB in the end (delta: -13.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.35ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 48.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.04ms. Allocated memory is still 90.2MB. Free memory was 48.3MB in the beginning and 43.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1722.08ms. Allocated memory is still 90.2MB. Free memory was 43.7MB in the beginning and 51.4MB in the end (delta: -7.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 630.94ms. Allocated memory is still 90.2MB. Free memory was 50.9MB in the beginning and 36.0MB in the end (delta: 14.9MB). 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 17:15:46,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95d9b9c-c401-4edf-ac98-2a0ecd594a1b/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