./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product37.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_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/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_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/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_9f5ae4d7-c1fc-4316-ab24-923270f74611/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 9dc54d5213c4407313cf4404e06f4e3ced3af047edaa52f6d33441570abdeda7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:36:50,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:36:50,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:36:50,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:36:50,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:36:50,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:36:50,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:36:50,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:36:50,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:36:50,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:36:50,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:36:50,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:36:50,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:36:50,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:36:50,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:36:50,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:36:50,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:36:50,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:36:50,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:36:50,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:36:50,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:36:50,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:36:50,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:36:50,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:36:50,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:36:50,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:36:50,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:36:50,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:36:50,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:36:50,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:36:50,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:36:50,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:36:50,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:36:50,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:36:50,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:36:50,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:36:50,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:36:50,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:36:50,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:36:50,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:36:50,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:36:50,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:36:50,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:36:50,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:36:50,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:36:50,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:36:50,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:36:50,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:36:50,973 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:36:50,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:36:50,973 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:36:50,974 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:36:50,975 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:36:50,975 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:36:50,976 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:36:50,976 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:36:50,976 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:36:50,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:36:50,977 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:36:50,977 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:36:50,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:36:50,979 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:36:50,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:36:50,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:36:50,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:36:50,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:36:50,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:36:50,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:36:50,983 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:36:50,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:36:50,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:36:50,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:36:50,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:36:50,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:36:50,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:36:50,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:36:50,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:36:50,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:36:50,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:36:50,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:36:50,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:36:50,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:36:50,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:36:50,987 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_9f5ae4d7-c1fc-4316-ab24-923270f74611/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc54d5213c4407313cf4404e06f4e3ced3af047edaa52f6d33441570abdeda7 [2021-11-23 17:36:51,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:36:51,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:36:51,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:36:51,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:36:51,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:36:51,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2021-11-23 17:36:51,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data/a4526221c/9b089190be5444b58676e314c8544ad1/FLAGfabf3c927 [2021-11-23 17:36:52,140 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:36:52,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2021-11-23 17:36:52,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data/a4526221c/9b089190be5444b58676e314c8544ad1/FLAGfabf3c927 [2021-11-23 17:36:52,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data/a4526221c/9b089190be5444b58676e314c8544ad1 [2021-11-23 17:36:52,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:36:52,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:36:52,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:36:52,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:36:52,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:36:52,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:36:52" (1/1) ... [2021-11-23 17:36:52,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7fda48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:52, skipping insertion in model container [2021-11-23 17:36:52,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:36:52" (1/1) ... [2021-11-23 17:36:52,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:36:52,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:36:52,620 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_9f5ae4d7-c1fc-4316-ab24-923270f74611/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1542,1555] [2021-11-23 17:36:53,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:36:53,056 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:36:53,073 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_9f5ae4d7-c1fc-4316-ab24-923270f74611/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1542,1555] [2021-11-23 17:36:53,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:36:53,281 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:36:53,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53 WrapperNode [2021-11-23 17:36:53,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:36:53,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:36:53,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:36:53,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:36:53,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,432 INFO L137 Inliner]: procedures = 124, calls = 186, calls flagged for inlining = 51, calls inlined = 46, statements flattened = 829 [2021-11-23 17:36:53,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:36:53,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:36:53,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:36:53,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:36:53,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:36:53,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:36:53,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:36:53,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:36:53,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:53" (1/1) ... [2021-11-23 17:36:53,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:36:53,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:36:53,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:36:53,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:36:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:36:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:36:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:36:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:36:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:36:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:36:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:36:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:36:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:36:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:36:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:36:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:36:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:36:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:36:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:36:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:36:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:36:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:36:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:36:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:36:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:36:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:36:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:36:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:36:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:36:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:36:53,927 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:36:53,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:36:54,823 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:36:54,919 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 17:36:54,925 INFO L158 Benchmark]: Toolchain (without parser) took 2616.51ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 55.9MB in the beginning and 79.1MB in the end (delta: -23.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-11-23 17:36:54,926 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:36:54,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 972.62ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 45.4MB in the end (delta: 10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:36:54,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.63ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 45.4MB in the beginning and 91.3MB in the end (delta: -45.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-23 17:36:54,929 INFO L158 Benchmark]: Boogie Preprocessor took 73.13ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 88.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:36:54,930 INFO L158 Benchmark]: RCFGBuilder took 1414.31ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 79.1MB in the end (delta: 8.5MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-23 17:36:54,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 972.62ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 45.4MB in the end (delta: 10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.63ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 45.4MB in the beginning and 91.3MB in the end (delta: -45.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.13ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 88.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1414.31ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 79.1MB in the end (delta: 8.5MB). Peak memory consumption was 39.1MB. 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 17:36:55,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/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_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/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_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/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_9f5ae4d7-c1fc-4316-ab24-923270f74611/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 9dc54d5213c4407313cf4404e06f4e3ced3af047edaa52f6d33441570abdeda7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:36:58,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:36:58,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:36:58,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:36:58,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:36:58,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:36:58,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:36:58,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:36:58,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:36:58,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:36:58,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:36:58,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:36:58,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:36:58,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:36:58,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:36:58,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:36:58,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:36:58,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:36:58,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:36:58,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:36:58,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:36:58,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:36:58,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:36:58,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:36:58,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:36:58,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:36:58,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:36:58,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:36:58,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:36:58,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:36:58,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:36:58,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:36:58,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:36:58,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:36:58,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:36:58,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:36:58,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:36:58,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:36:58,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:36:58,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:36:58,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:36:58,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:36:58,167 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:36:58,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:36:58,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:36:58,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:36:58,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:36:58,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:36:58,175 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:36:58,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:36:58,175 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:36:58,175 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:36:58,177 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:36:58,177 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:36:58,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:36:58,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:36:58,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:36:58,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:36:58,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:36:58,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:36:58,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:36:58,181 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:36:58,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:36:58,182 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:36:58,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:36:58,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:36:58,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:36:58,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:36:58,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:36:58,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:36:58,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:36:58,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:36:58,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:36:58,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:36:58,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:36:58,185 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:36:58,186 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:36:58,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:36:58,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:36:58,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:36:58,187 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_9f5ae4d7-c1fc-4316-ab24-923270f74611/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc54d5213c4407313cf4404e06f4e3ced3af047edaa52f6d33441570abdeda7 [2021-11-23 17:36:58,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:36:58,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:36:58,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:36:58,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:36:58,724 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:36:58,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2021-11-23 17:36:58,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data/95540c72e/e184dad702e34b3aa7daf954e923406c/FLAG0895fdfa8 [2021-11-23 17:36:59,726 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:36:59,727 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2021-11-23 17:36:59,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data/95540c72e/e184dad702e34b3aa7daf954e923406c/FLAG0895fdfa8 [2021-11-23 17:36:59,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/data/95540c72e/e184dad702e34b3aa7daf954e923406c [2021-11-23 17:36:59,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:36:59,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:36:59,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:36:59,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:36:59,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:36:59,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:36:59" (1/1) ... [2021-11-23 17:36:59,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adf8867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:36:59, skipping insertion in model container [2021-11-23 17:36:59,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:36:59" (1/1) ... [2021-11-23 17:36:59,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:37:00,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:37:00,265 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_9f5ae4d7-c1fc-4316-ab24-923270f74611/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1542,1555] [2021-11-23 17:37:00,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:37:00,898 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:37:00,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:37:00,920 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_9f5ae4d7-c1fc-4316-ab24-923270f74611/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1542,1555] [2021-11-23 17:37:01,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:37:01,031 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:37:01,046 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_9f5ae4d7-c1fc-4316-ab24-923270f74611/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1542,1555] [2021-11-23 17:37:01,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:37:01,199 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:37:01,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01 WrapperNode [2021-11-23 17:37:01,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:37:01,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:37:01,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:37:01,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:37:01,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,368 INFO L137 Inliner]: procedures = 126, calls = 186, calls flagged for inlining = 51, calls inlined = 46, statements flattened = 789 [2021-11-23 17:37:01,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:37:01,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:37:01,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:37:01,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:37:01,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:37:01,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:37:01,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:37:01,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:37:01,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (1/1) ... [2021-11-23 17:37:01,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:37:01,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:37:01,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:37:01,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:37:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:37:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:37:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:37:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:37:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 17:37:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 17:37:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:37:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:37:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:37:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:37:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:37:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 17:37:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 17:37:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-11-23 17:37:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-11-23 17:37:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:37:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:37:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:37:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:37:01,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:37:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:37:01,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:37:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:37:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:37:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:37:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:37:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:37:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:37:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:37:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 17:37:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 17:37:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:37:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:37:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:37:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:37:01,970 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:37:01,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:37:02,966 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:37:02,985 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:37:02,987 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:37:02,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:37:02 BoogieIcfgContainer [2021-11-23 17:37:02,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:37:02,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:37:02,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:37:02,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:37:02,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:36:59" (1/3) ... [2021-11-23 17:37:02,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccf5f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:37:02, skipping insertion in model container [2021-11-23 17:37:02,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:37:01" (2/3) ... [2021-11-23 17:37:02,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccf5f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:37:02, skipping insertion in model container [2021-11-23 17:37:02,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:37:02" (3/3) ... [2021-11-23 17:37:03,001 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product37.cil.c [2021-11-23 17:37:03,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:37:03,009 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:37:03,071 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:37:03,089 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 17:37:03,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:37:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 258 states, 201 states have (on average 1.5223880597014925) internal successors, (306), 203 states have internal predecessors, (306), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-23 17:37:03,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 17:37:03,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:37:03,187 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:37:03,187 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:37:03,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:37:03,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1324119158, now seen corresponding path program 1 times [2021-11-23 17:37:03,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:37:03,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688909320] [2021-11-23 17:37:03,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:37:03,218 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:37:03,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:37:03,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:37:03,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:37:03,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:37:03,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:37:03,548 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 17:37:03,553 INFO L158 Benchmark]: Toolchain (without parser) took 3645.44ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 43.1MB in the beginning and 60.9MB in the end (delta: -17.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-11-23 17:37:03,554 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:37:03,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1286.15ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 42.9MB in the beginning and 60.8MB in the end (delta: -17.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-23 17:37:03,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.91ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 56.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:37:03,557 INFO L158 Benchmark]: Boogie Preprocessor took 126.94ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 52.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:37:03,557 INFO L158 Benchmark]: RCFGBuilder took 1478.38ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 41.2MB in the end (delta: 11.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-23 17:37:03,558 INFO L158 Benchmark]: TraceAbstraction took 557.79ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 60.9MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:37:03,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1286.15ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 42.9MB in the beginning and 60.8MB in the end (delta: -17.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.91ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 56.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.94ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 52.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1478.38ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 41.2MB in the end (delta: 11.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 557.79ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 60.9MB in the end (delta: -20.2MB). There was no memory consumed. 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 17:37:03,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5ae4d7-c1fc-4316-ab24-923270f74611/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable