./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product12.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_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/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_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/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_c2b6148b-2b14-472e-953f-397a6dc60f2f/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 4d7925e6725ebc9ccc1628dac3a92336bad7d7149419f1b3b2e679ed4e3055d5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:35:43,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:35:43,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:35:43,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:35:43,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:35:43,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:35:43,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:35:43,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:35:43,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:35:43,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:35:43,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:35:43,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:35:43,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:35:43,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:35:43,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:35:43,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:35:43,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:35:43,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:35:43,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:35:43,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:35:43,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:35:43,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:35:43,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:35:43,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:35:43,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:35:43,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:35:43,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:35:43,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:35:43,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:35:43,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:35:43,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:35:43,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:35:43,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:35:43,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:35:43,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:35:43,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:35:43,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:35:43,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:35:43,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:35:43,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:35:43,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:35:43,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:35:43,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:35:43,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:35:43,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:35:43,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:35:43,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:35:43,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:35:43,248 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:35:43,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:35:43,249 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:35:43,249 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:35:43,249 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:35:43,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:35:43,249 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:35:43,250 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:35:43,250 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:35:43,250 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:35:43,250 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:35:43,251 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:35:43,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:35:43,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:35:43,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:35:43,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:35:43,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:35:43,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:35:43,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:35:43,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:35:43,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:35:43,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:35:43,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:35:43,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:35:43,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:35:43,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:35:43,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:35:43,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:35:43,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:35:43,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:35:43,255 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:35:43,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:35:43,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:35:43,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:35:43,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:35:43,256 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_c2b6148b-2b14-472e-953f-397a6dc60f2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d7925e6725ebc9ccc1628dac3a92336bad7d7149419f1b3b2e679ed4e3055d5 [2021-11-23 17:35:43,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:35:43,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:35:43,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:35:43,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:35:43,593 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:35:43,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2021-11-23 17:35:43,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data/ebe617d2b/a3e0508b719b434b9bfca47a3f952fac/FLAG82699b4da [2021-11-23 17:35:44,239 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:35:44,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2021-11-23 17:35:44,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data/ebe617d2b/a3e0508b719b434b9bfca47a3f952fac/FLAG82699b4da [2021-11-23 17:35:44,492 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data/ebe617d2b/a3e0508b719b434b9bfca47a3f952fac [2021-11-23 17:35:44,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:35:44,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:35:44,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:35:44,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:35:44,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:35:44,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:44" (1/1) ... [2021-11-23 17:35:44,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b022c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:44, skipping insertion in model container [2021-11-23 17:35:44,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:44" (1/1) ... [2021-11-23 17:35:44,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:35:44,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:35:45,060 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_c2b6148b-2b14-472e-953f-397a6dc60f2f/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c[29763,29776] [2021-11-23 17:35:45,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:35:45,168 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:35:45,265 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_c2b6148b-2b14-472e-953f-397a6dc60f2f/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c[29763,29776] [2021-11-23 17:35:45,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:35:45,419 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:35:45,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45 WrapperNode [2021-11-23 17:35:45,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:35:45,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:35:45,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:35:45,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:35:45,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,561 INFO L137 Inliner]: procedures = 123, calls = 191, calls flagged for inlining = 51, calls inlined = 41, statements flattened = 834 [2021-11-23 17:35:45,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:35:45,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:35:45,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:35:45,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:35:45,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:35:45,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:35:45,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:35:45,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:35:45,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:45" (1/1) ... [2021-11-23 17:35:45,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:35:45,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:35:45,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:35:45,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:35:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:35:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:35:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:35:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:35:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:35:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:35:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:35:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:35:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:35:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:35:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:35:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:35:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:35:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:35:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:35:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:35:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:35:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:35:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:35:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:35:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:35:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:35:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:35:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:35:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:35:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:35:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:35:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:35:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:35:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:35:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:35:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:35:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:35:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:35:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:35:46,005 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:35:46,008 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:35:46,801 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:35:46,892 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 17:35:46,897 INFO L158 Benchmark]: Toolchain (without parser) took 2399.27ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 44.4MB in the beginning and 54.2MB in the end (delta: -9.9MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-23 17:35:46,897 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:35:46,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.84ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 44.2MB in the beginning and 66.4MB in the end (delta: -22.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-23 17:35:46,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.68ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 61.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:35:46,902 INFO L158 Benchmark]: Boogie Preprocessor took 111.64ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 58.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:35:46,903 INFO L158 Benchmark]: RCFGBuilder took 1219.16ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 54.2MB in the end (delta: 3.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 17:35:46,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.84ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 44.2MB in the beginning and 66.4MB in the end (delta: -22.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.68ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 61.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.64ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 58.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1219.16ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 54.2MB in the end (delta: 3.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:35:46,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/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_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/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_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/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_c2b6148b-2b14-472e-953f-397a6dc60f2f/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 4d7925e6725ebc9ccc1628dac3a92336bad7d7149419f1b3b2e679ed4e3055d5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:35:49,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:35:49,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:35:49,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:35:49,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:35:49,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:35:49,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:35:49,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:35:49,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:35:49,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:35:49,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:35:49,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:35:49,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:35:49,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:35:49,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:35:49,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:35:49,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:35:49,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:35:49,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:35:49,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:35:49,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:35:49,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:35:49,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:35:49,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:35:49,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:35:49,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:35:49,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:35:49,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:35:49,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:35:49,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:35:49,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:35:49,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:35:49,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:35:49,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:35:49,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:35:49,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:35:49,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:35:49,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:35:49,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:35:49,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:35:49,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:35:49,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:35:49,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:35:49,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:35:49,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:35:49,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:35:49,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:35:49,665 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:35:49,665 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:35:49,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:35:49,665 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:35:49,666 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:35:49,667 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:35:49,667 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:35:49,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:35:49,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:35:49,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:35:49,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:35:49,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:35:49,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:35:49,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:35:49,671 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:35:49,671 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:35:49,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:35:49,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:35:49,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:35:49,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:35:49,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:35:49,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:35:49,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:35:49,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:35:49,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:35:49,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:35:49,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:35:49,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:35:49,675 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:35:49,676 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:35:49,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:35:49,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:35:49,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:35:49,677 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_c2b6148b-2b14-472e-953f-397a6dc60f2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d7925e6725ebc9ccc1628dac3a92336bad7d7149419f1b3b2e679ed4e3055d5 [2021-11-23 17:35:50,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:35:50,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:35:50,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:35:50,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:35:50,096 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:35:50,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2021-11-23 17:35:50,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data/0b4a086b8/7ec98add4ddd402d885c45d1f925c516/FLAG8a964fef1 [2021-11-23 17:35:50,889 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:35:50,890 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2021-11-23 17:35:50,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data/0b4a086b8/7ec98add4ddd402d885c45d1f925c516/FLAG8a964fef1 [2021-11-23 17:35:51,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/data/0b4a086b8/7ec98add4ddd402d885c45d1f925c516 [2021-11-23 17:35:51,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:35:51,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:35:51,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:35:51,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:35:51,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:35:51,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:51" (1/1) ... [2021-11-23 17:35:51,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693ff4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:51, skipping insertion in model container [2021-11-23 17:35:51,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:51" (1/1) ... [2021-11-23 17:35:51,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:35:51,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:35:51,827 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_c2b6148b-2b14-472e-953f-397a6dc60f2f/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c[29763,29776] [2021-11-23 17:35:51,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:35:51,995 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:35:52,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:35:52,104 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_c2b6148b-2b14-472e-953f-397a6dc60f2f/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c[29763,29776] [2021-11-23 17:35:52,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:35:52,177 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:35:52,271 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_c2b6148b-2b14-472e-953f-397a6dc60f2f/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c[29763,29776] [2021-11-23 17:35:52,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:35:52,330 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:35:52,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52 WrapperNode [2021-11-23 17:35:52,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:35:52,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:35:52,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:35:52,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:35:52,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,453 INFO L137 Inliner]: procedures = 125, calls = 191, calls flagged for inlining = 51, calls inlined = 41, statements flattened = 795 [2021-11-23 17:35:52,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:35:52,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:35:52,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:35:52,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:35:52,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:35:52,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:35:52,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:35:52,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:35:52,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (1/1) ... [2021-11-23 17:35:52,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:35:52,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:35:52,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:35:52,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:35:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:35:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:35:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:35:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:35:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:35:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:35:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:35:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:35:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:35:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:35:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:35:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:35:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:35:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:35:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:35:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:35:52,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:35:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:35:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:35:52,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:35:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:35:52,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:35:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:35:52,682 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:35:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:35:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:35:52,683 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:35:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:35:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:35:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:35:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:35:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:35:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:35:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:35:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:35:52,975 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:35:52,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:35:53,775 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:35:53,789 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:35:53,789 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:35:53,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:35:53 BoogieIcfgContainer [2021-11-23 17:35:53,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:35:53,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:35:53,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:35:53,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:35:53,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:35:51" (1/3) ... [2021-11-23 17:35:53,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538c42d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:35:53, skipping insertion in model container [2021-11-23 17:35:53,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:52" (2/3) ... [2021-11-23 17:35:53,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538c42d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:35:53, skipping insertion in model container [2021-11-23 17:35:53,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:35:53" (3/3) ... [2021-11-23 17:35:53,801 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product12.cil.c [2021-11-23 17:35:53,807 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:35:53,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:35:53,864 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:35:53,872 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 17:35:53,872 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:35:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 262 states, 206 states have (on average 1.5533980582524272) internal successors, (320), 210 states have internal predecessors, (320), 39 states have call successors, (39), 15 states have call predecessors, (39), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-11-23 17:35:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 17:35:53,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:35:53,918 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:35:53,918 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:35:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:35:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2039353953, now seen corresponding path program 1 times [2021-11-23 17:35:53,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:35:53,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169758458] [2021-11-23 17:35:53,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:35:53,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:35:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:35:53,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:35:53,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:35:54,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:35:54,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:35:54,255 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 17:35:54,260 INFO L158 Benchmark]: Toolchain (without parser) took 3175.01ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 53.5MB in the beginning and 61.7MB in the end (delta: -8.2MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2021-11-23 17:35:54,261 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:35:54,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1241.86ms. Allocated memory is still 90.2MB. Free memory was 53.3MB in the beginning and 60.1MB in the end (delta: -6.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 17:35:54,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.52ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 55.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:35:54,262 INFO L158 Benchmark]: Boogie Preprocessor took 116.17ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 51.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:35:54,263 INFO L158 Benchmark]: RCFGBuilder took 1220.30ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 75.8MB in the end (delta: -24.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 17:35:54,264 INFO L158 Benchmark]: TraceAbstraction took 463.14ms. Allocated memory is still 125.8MB. Free memory was 75.1MB in the beginning and 61.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:35:54,267 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 90.2MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1241.86ms. Allocated memory is still 90.2MB. Free memory was 53.3MB in the beginning and 60.1MB in the end (delta: -6.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.52ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 55.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.17ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 51.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1220.30ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 75.8MB in the end (delta: -24.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 463.14ms. Allocated memory is still 125.8MB. Free memory was 75.1MB in the beginning and 61.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:35:54,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b6148b-2b14-472e-953f-397a6dc60f2f/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