./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product31.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_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/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_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/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_b984cc41-4ca8-4e03-a11e-641440f0e359/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 beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:46:36,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:46:36,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:46:36,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:46:36,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:46:36,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:46:36,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:46:36,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:46:36,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:46:36,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:46:36,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:46:36,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:46:36,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:46:36,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:46:36,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:46:36,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:46:36,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:46:36,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:46:36,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:46:36,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:46:36,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:46:36,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:46:36,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:46:36,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:46:36,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:46:36,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:46:36,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:46:36,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:46:36,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:46:36,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:46:36,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:46:36,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:46:36,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:46:36,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:46:36,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:46:36,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:46:36,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:46:36,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:46:36,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:46:36,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:46:36,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:46:36,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:46:36,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:46:36,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:46:36,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:46:36,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:46:36,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:46:36,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:46:36,842 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:46:36,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:46:36,843 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:46:36,843 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:46:36,844 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:46:36,844 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:46:36,844 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:46:36,844 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:46:36,845 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:46:36,845 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:46:36,845 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:46:36,845 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:46:36,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:46:36,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:46:36,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:46:36,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:46:36,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:46:36,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:46:36,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:46:36,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:46:36,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:46:36,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:46:36,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:46:36,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:46:36,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:46:36,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:46:36,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:36,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:46:36,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:46:36,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:46:36,852 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:46:36,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:46:36,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:46:36,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:46:36,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:46:36,853 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_b984cc41-4ca8-4e03-a11e-641440f0e359/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 [2021-11-23 16:46:37,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:46:37,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:46:37,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:46:37,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:46:37,223 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:46:37,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-11-23 16:46:37,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data/610163ed5/8fe3f0a101c14197be33bf3975e8a713/FLAGeced04e42 [2021-11-23 16:46:37,975 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:46:37,975 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-11-23 16:46:37,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data/610163ed5/8fe3f0a101c14197be33bf3975e8a713/FLAGeced04e42 [2021-11-23 16:46:38,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data/610163ed5/8fe3f0a101c14197be33bf3975e8a713 [2021-11-23 16:46:38,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:46:38,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:46:38,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:38,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:46:38,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:46:38,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:38" (1/1) ... [2021-11-23 16:46:38,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f187335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:38, skipping insertion in model container [2021-11-23 16:46:38,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:38" (1/1) ... [2021-11-23 16:46:38,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:46:38,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:38,844 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_b984cc41-4ca8-4e03-a11e-641440f0e359/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-11-23 16:46:38,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:38,981 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:39,072 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_b984cc41-4ca8-4e03-a11e-641440f0e359/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-11-23 16:46:39,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:39,136 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:39,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39 WrapperNode [2021-11-23 16:46:39,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:39,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:39,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:39,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:39,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,259 INFO L137 Inliner]: procedures = 132, calls = 227, calls flagged for inlining = 61, calls inlined = 56, statements flattened = 1050 [2021-11-23 16:46:39,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:39,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:39,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:39,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:39,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:39,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:39,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:39,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:39,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:39,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:39,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:39,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:46:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:46:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:46:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:46:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:46:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:46:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:46:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:46:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:46:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:46:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:46:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:46:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:46:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:46:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:46:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:46:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:46:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:46:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:46:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:46:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:46:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:46:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:46:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:46:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:46:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:46:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:46:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:46:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:46:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:46:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:46:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 16:46:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 16:46:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:46:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:46:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:46:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:46:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:46:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:46:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:46:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:46:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:46:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:46:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:46:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:46:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:46:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:46:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:46:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:46:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:46:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:39,789 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:39,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:40,679 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:40,766 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:46:40,771 INFO L158 Benchmark]: Toolchain (without parser) took 2583.49ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 54.3MB in the end (delta: 29.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2021-11-23 16:46:40,773 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 97.0MB in the beginning and 96.9MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:40,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 948.01ms. Allocated memory is still 121.6MB. Free memory was 83.4MB in the beginning and 67.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 16:46:40,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.03ms. Allocated memory is still 121.6MB. Free memory was 67.8MB in the beginning and 61.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:46:40,777 INFO L158 Benchmark]: Boogie Preprocessor took 106.41ms. Allocated memory is still 121.6MB. Free memory was 61.5MB in the beginning and 56.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:46:40,778 INFO L158 Benchmark]: RCFGBuilder took 1400.82ms. Allocated memory is still 121.6MB. Free memory was 56.6MB in the beginning and 54.3MB in the end (delta: 2.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-23 16:46:40,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 97.0MB in the beginning and 96.9MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 948.01ms. Allocated memory is still 121.6MB. Free memory was 83.4MB in the beginning and 67.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.03ms. Allocated memory is still 121.6MB. Free memory was 67.8MB in the beginning and 61.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.41ms. Allocated memory is still 121.6MB. Free memory was 61.5MB in the beginning and 56.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1400.82ms. Allocated memory is still 121.6MB. Free memory was 56.6MB in the beginning and 54.3MB in the end (delta: 2.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:46:40,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/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_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/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_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/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_b984cc41-4ca8-4e03-a11e-641440f0e359/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 beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:46:43,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:46:43,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:46:43,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:46:43,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:46:43,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:46:43,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:46:43,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:46:43,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:46:43,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:46:43,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:46:43,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:46:43,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:46:43,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:46:43,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:46:43,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:46:43,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:46:43,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:46:43,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:46:43,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:46:43,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:46:43,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:46:43,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:46:43,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:46:43,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:46:43,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:46:43,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:46:43,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:46:43,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:46:43,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:46:43,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:46:43,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:46:43,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:46:43,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:46:43,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:46:43,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:46:43,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:46:43,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:46:43,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:46:43,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:46:43,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:46:43,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:46:43,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:46:43,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:46:43,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:46:43,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:46:43,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:46:43,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:46:43,512 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:46:43,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:46:43,513 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:46:43,513 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:46:43,514 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:46:43,515 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:46:43,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:46:43,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:46:43,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:46:43,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:46:43,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:46:43,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:46:43,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:46:43,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:46:43,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:46:43,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:46:43,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:46:43,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:46:43,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:46:43,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:46:43,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:46:43,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:46:43,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:46:43,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:43,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:46:43,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:46:43,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:46:43,522 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:46:43,522 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:46:43,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:46:43,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:46:43,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:46:43,523 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_b984cc41-4ca8-4e03-a11e-641440f0e359/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 [2021-11-23 16:46:43,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:46:43,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:46:43,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:46:43,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:46:43,964 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:46:43,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-11-23 16:46:44,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data/39c55a7f3/f1d3b2e0d2304b5da447b131a0fc952a/FLAG34d3e4e83 [2021-11-23 16:46:44,795 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:46:44,796 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-11-23 16:46:44,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data/39c55a7f3/f1d3b2e0d2304b5da447b131a0fc952a/FLAG34d3e4e83 [2021-11-23 16:46:44,976 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/data/39c55a7f3/f1d3b2e0d2304b5da447b131a0fc952a [2021-11-23 16:46:44,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:46:44,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:46:44,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:44,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:46:44,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:46:44,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:44" (1/1) ... [2021-11-23 16:46:44,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6debb412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:44, skipping insertion in model container [2021-11-23 16:46:44,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:44" (1/1) ... [2021-11-23 16:46:44,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:46:45,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:45,654 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_b984cc41-4ca8-4e03-a11e-641440f0e359/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-11-23 16:46:45,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:45,875 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:46:45,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:46,012 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_b984cc41-4ca8-4e03-a11e-641440f0e359/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-11-23 16:46:46,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:46,066 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:46,151 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_b984cc41-4ca8-4e03-a11e-641440f0e359/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-11-23 16:46:46,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:46,241 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:46,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46 WrapperNode [2021-11-23 16:46:46,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:46,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:46,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:46,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:46,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,406 INFO L137 Inliner]: procedures = 134, calls = 227, calls flagged for inlining = 61, calls inlined = 56, statements flattened = 989 [2021-11-23 16:46:46,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:46,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:46,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:46,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:46,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:46,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:46,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:46,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:46,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:46,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:46,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:46,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 16:46:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 16:46:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 16:46:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 16:46:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 16:46:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 16:46:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 16:46:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 16:46:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 16:46:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 16:46:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 16:46:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 16:46:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 16:46:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 16:46:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 16:46:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 16:46:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 16:46:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 16:46:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 16:46:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 16:46:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 16:46:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 16:46:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 16:46:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 16:46:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 16:46:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 16:46:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 16:46:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 16:46:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 16:46:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 16:46:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 16:46:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 16:46:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 16:46:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 16:46:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 16:46:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 16:46:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 16:46:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:46:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 16:46:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 16:46:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 16:46:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 16:46:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 16:46:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 16:46:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 16:46:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 16:46:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 16:46:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 16:46:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 16:46:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 16:46:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:46,932 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:46,934 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:47,788 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:47,805 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:46:47,806 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:46:47,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:46:47 BoogieIcfgContainer [2021-11-23 16:46:47,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:46:47,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:46:47,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:46:47,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:46:47,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:46:44" (1/3) ... [2021-11-23 16:46:47,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156dcf06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:46:47, skipping insertion in model container [2021-11-23 16:46:47,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46" (2/3) ... [2021-11-23 16:46:47,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156dcf06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:46:47, skipping insertion in model container [2021-11-23 16:46:47,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:46:47" (3/3) ... [2021-11-23 16:46:47,818 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product31.cil.c [2021-11-23 16:46:47,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:46:47,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:46:47,892 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:46:47,904 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 16:46:47,904 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:46:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 380 states, 290 states have (on average 1.4965517241379311) internal successors, (434), 296 states have internal predecessors, (434), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2021-11-23 16:46:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 16:46:47,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:46:47,972 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-11-23 16:46:47,972 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:46:47,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:46:47,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1387818797, now seen corresponding path program 1 times [2021-11-23 16:46:47,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:46:47,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866681284] [2021-11-23 16:46:47,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:46:47,996 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:46:47,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:46:47,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:46:48,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:46:48,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:46:48,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:46:48,319 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:46:48,324 INFO L158 Benchmark]: Toolchain (without parser) took 3341.54ms. Allocated memory was 60.8MB in the beginning and 111.1MB in the end (delta: 50.3MB). Free memory was 37.5MB in the beginning and 62.2MB in the end (delta: -24.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-11-23 16:46:48,324 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:48,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1260.43ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 37.3MB in the beginning and 45.5MB in the end (delta: -8.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-11-23 16:46:48,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.65ms. Allocated memory is still 86.0MB. Free memory was 45.5MB in the beginning and 60.9MB in the end (delta: -15.3MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-11-23 16:46:48,327 INFO L158 Benchmark]: Boogie Preprocessor took 65.78ms. Allocated memory is still 86.0MB. Free memory was 60.9MB in the beginning and 56.6MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:46:48,328 INFO L158 Benchmark]: RCFGBuilder took 1335.97ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 56.6MB in the beginning and 77.7MB in the end (delta: -21.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 16:46:48,328 INFO L158 Benchmark]: TraceAbstraction took 509.80ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 62.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 16:46:48,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1260.43ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 37.3MB in the beginning and 45.5MB in the end (delta: -8.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.65ms. Allocated memory is still 86.0MB. Free memory was 45.5MB in the beginning and 60.9MB in the end (delta: -15.3MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.78ms. Allocated memory is still 86.0MB. Free memory was 60.9MB in the beginning and 56.6MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1335.97ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 56.6MB in the beginning and 77.7MB in the end (delta: -21.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 509.80ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 62.2MB 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 16:46:48,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b984cc41-4ca8-4e03-a11e-641440f0e359/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable