./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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 cd09b7e02dd7459ada96201e9b5a915c0f0209c05135bf5a5174f874492a34ab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:10:39,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:10:39,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:10:39,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:10:39,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:10:39,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:10:39,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:10:39,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:10:39,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:10:39,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:10:39,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:10:39,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:10:39,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:10:39,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:10:39,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:10:39,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:10:39,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:10:39,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:10:39,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:10:39,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:10:39,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:10:39,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:10:39,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:10:39,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:10:39,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:10:39,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:10:39,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:10:39,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:10:39,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:10:39,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:10:39,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:10:39,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:10:39,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:10:39,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:10:39,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:10:39,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:10:39,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:10:39,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:10:39,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:10:39,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:10:39,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:10:39,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:10:40,015 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:10:40,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:10:40,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:10:40,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:10:40,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:10:40,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:10:40,021 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:10:40,022 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:10:40,022 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:10:40,022 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:10:40,024 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:10:40,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:10:40,024 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:10:40,025 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:10:40,025 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:10:40,025 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:10:40,025 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:10:40,026 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:10:40,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:10:40,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:10:40,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:10:40,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:10:40,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:10:40,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:10:40,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:10:40,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:10:40,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:10:40,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:10:40,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:10:40,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:10:40,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:10:40,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:10:40,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:10:40,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:10:40,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:10:40,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:10:40,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:10:40,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:10:40,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:10:40,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:10:40,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:10:40,039 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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd09b7e02dd7459ada96201e9b5a915c0f0209c05135bf5a5174f874492a34ab [2021-11-23 17:10:40,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:10:40,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:10:40,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:10:40,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:10:40,387 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:10:40,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2021-11-23 17:10:40,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data/247133d4d/929fc03303924f2d8635e98a35ada432/FLAG14559d502 [2021-11-23 17:10:41,082 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:10:41,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2021-11-23 17:10:41,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data/247133d4d/929fc03303924f2d8635e98a35ada432/FLAG14559d502 [2021-11-23 17:10:41,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data/247133d4d/929fc03303924f2d8635e98a35ada432 [2021-11-23 17:10:41,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:10:41,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:10:41,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:10:41,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:10:41,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:10:41,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:10:41" (1/1) ... [2021-11-23 17:10:41,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6937c8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:41, skipping insertion in model container [2021-11-23 17:10:41,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:10:41" (1/1) ... [2021-11-23 17:10:41,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:10:41,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:10:41,908 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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c[16969,16982] [2021-11-23 17:10:42,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:10:42,234 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:10:42,317 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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c[16969,16982] [2021-11-23 17:10:42,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:10:42,412 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:10:42,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42 WrapperNode [2021-11-23 17:10:42,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:10:42,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:10:42,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:10:42,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:10:42,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,521 INFO L137 Inliner]: procedures = 123, calls = 191, calls flagged for inlining = 51, calls inlined = 41, statements flattened = 834 [2021-11-23 17:10:42,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:10:42,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:10:42,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:10:42,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:10:42,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:10:42,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:10:42,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:10:42,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:10:42,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:42" (1/1) ... [2021-11-23 17:10:42,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:10:42,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:10:42,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:10:42,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:10:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:10:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:10:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:10:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:10:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:10:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:10:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:10:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:10:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:10:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:10:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:10:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:10:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:10:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:10:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:10:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:10:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:10:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:10:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:10:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:10:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:10:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:10:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:10:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:10:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:10:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:10:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:10:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:10:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:10:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:10:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:10:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:10:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:10:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:10:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:10:42,964 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:10:42,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:10:43,908 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:10:44,007 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 17:10:44,020 INFO L158 Benchmark]: Toolchain (without parser) took 2714.29ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 50.8MB in the beginning and 52.3MB in the end (delta: -1.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-23 17:10:44,021 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:10:44,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1109.10ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 66.4MB in the end (delta: -15.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 17:10:44,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.46ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 61.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:10:44,027 INFO L158 Benchmark]: Boogie Preprocessor took 95.28ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 58.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:10:44,028 INFO L158 Benchmark]: RCFGBuilder took 1396.16ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 52.3MB in the end (delta: 5.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 17:10:44,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1109.10ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 66.4MB in the end (delta: -15.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.46ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 61.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.28ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 58.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1396.16ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 52.3MB in the end (delta: 5.4MB). Peak memory consumption was 12.7MB. 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 17:10:44,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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 cd09b7e02dd7459ada96201e9b5a915c0f0209c05135bf5a5174f874492a34ab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:10:46,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:10:46,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:10:46,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:10:46,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:10:46,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:10:46,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:10:46,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:10:46,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:10:46,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:10:46,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:10:46,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:10:46,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:10:47,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:10:47,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:10:47,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:10:47,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:10:47,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:10:47,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:10:47,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:10:47,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:10:47,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:10:47,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:10:47,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:10:47,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:10:47,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:10:47,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:10:47,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:10:47,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:10:47,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:10:47,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:10:47,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:10:47,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:10:47,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:10:47,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:10:47,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:10:47,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:10:47,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:10:47,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:10:47,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:10:47,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:10:47,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:10:47,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:10:47,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:10:47,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:10:47,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:10:47,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:10:47,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:10:47,140 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:10:47,141 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:10:47,141 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:10:47,141 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:10:47,141 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:10:47,142 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:10:47,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:10:47,145 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:10:47,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:10:47,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:10:47,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:10:47,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:10:47,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:10:47,146 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:10:47,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:10:47,147 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:10:47,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:10:47,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:10:47,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:10:47,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:10:47,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:10:47,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:10:47,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:10:47,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:10:47,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:10:47,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:10:47,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:10:47,152 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:10:47,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:10:47,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:10:47,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:10:47,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:10:47,155 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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd09b7e02dd7459ada96201e9b5a915c0f0209c05135bf5a5174f874492a34ab [2021-11-23 17:10:47,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:10:47,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:10:47,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:10:47,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:10:47,664 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:10:47,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2021-11-23 17:10:47,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data/acee8a91f/54c9c6bd33c34297aab11f563f3eb233/FLAG522dbc1a5 [2021-11-23 17:10:48,437 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:10:48,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2021-11-23 17:10:48,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data/acee8a91f/54c9c6bd33c34297aab11f563f3eb233/FLAG522dbc1a5 [2021-11-23 17:10:48,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/data/acee8a91f/54c9c6bd33c34297aab11f563f3eb233 [2021-11-23 17:10:48,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:10:48,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:10:48,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:10:48,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:10:48,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:10:48,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:10:48" (1/1) ... [2021-11-23 17:10:48,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c18dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:48, skipping insertion in model container [2021-11-23 17:10:48,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:10:48" (1/1) ... [2021-11-23 17:10:48,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:10:48,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:10:49,367 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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c[16969,16982] [2021-11-23 17:10:49,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:10:49,729 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:10:49,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:10:49,816 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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c[16969,16982] [2021-11-23 17:10:49,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:10:49,943 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:10:50,018 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_bcef722e-7170-4d7b-8a5c-9d9a91abb472/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c[16969,16982] [2021-11-23 17:10:50,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:10:50,135 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:10:50,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50 WrapperNode [2021-11-23 17:10:50,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:10:50,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:10:50,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:10:50,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:10:50,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,267 INFO L137 Inliner]: procedures = 125, calls = 191, calls flagged for inlining = 51, calls inlined = 41, statements flattened = 795 [2021-11-23 17:10:50,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:10:50,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:10:50,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:10:50,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:10:50,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:10:50,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:10:50,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:10:50,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:10:50,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (1/1) ... [2021-11-23 17:10:50,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:10:50,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:10:50,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:10:50,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:10:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 17:10:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 17:10:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 17:10:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 17:10:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 17:10:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 17:10:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 17:10:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 17:10:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 17:10:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 17:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 17:10:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 17:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 17:10:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 17:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:10:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 17:10:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 17:10:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:10:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 17:10:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 17:10:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 17:10:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 17:10:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 17:10:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 17:10:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:10:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 17:10:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 17:10:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 17:10:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 17:10:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 17:10:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 17:10:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 17:10:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 17:10:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:10:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:10:50,848 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:10:50,851 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:10:51,812 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:10:51,839 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:10:51,840 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:10:51,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:10:51 BoogieIcfgContainer [2021-11-23 17:10:51,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:10:51,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:10:51,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:10:51,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:10:51,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:10:48" (1/3) ... [2021-11-23 17:10:51,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da8ff14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:10:51, skipping insertion in model container [2021-11-23 17:10:51,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:10:50" (2/3) ... [2021-11-23 17:10:51,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da8ff14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:10:51, skipping insertion in model container [2021-11-23 17:10:51,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:10:51" (3/3) ... [2021-11-23 17:10:51,861 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2021-11-23 17:10:51,868 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:10:51,868 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:10:51,958 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:10:51,967 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 17:10:51,967 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:10:52,007 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 17:10:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 17:10:52,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:10:52,028 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 17:10:52,028 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:10:52,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:10:52,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2039353953, now seen corresponding path program 1 times [2021-11-23 17:10:52,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:10:52,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772758829] [2021-11-23 17:10:52,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:10:52,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:10:52,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:10:52,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:10:52,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:10:52,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-23 17:10:52,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:10:52,376 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 17:10:52,383 INFO L158 Benchmark]: Toolchain (without parser) took 3681.78ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 39.8MB in the beginning and 32.3MB in the end (delta: 7.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-23 17:10:52,384 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:10:52,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1434.73ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 44.4MB in the end (delta: -4.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-11-23 17:10:52,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.31ms. Allocated memory is still 79.7MB. Free memory was 44.4MB in the beginning and 39.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:10:52,388 INFO L158 Benchmark]: Boogie Preprocessor took 122.08ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 36.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:10:52,396 INFO L158 Benchmark]: RCFGBuilder took 1438.52ms. Allocated memory is still 79.7MB. Free memory was 35.6MB in the beginning and 45.8MB in the end (delta: -10.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-23 17:10:52,398 INFO L158 Benchmark]: TraceAbstraction took 531.66ms. Allocated memory is still 79.7MB. Free memory was 45.3MB in the beginning and 32.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:10:52,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1434.73ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 44.4MB in the end (delta: -4.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.31ms. Allocated memory is still 79.7MB. Free memory was 44.4MB in the beginning and 39.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.08ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 36.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1438.52ms. Allocated memory is still 79.7MB. Free memory was 35.6MB in the beginning and 45.8MB in the end (delta: -10.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * TraceAbstraction took 531.66ms. Allocated memory is still 79.7MB. Free memory was 45.3MB in the beginning and 32.3MB in the end (delta: 13.0MB). 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 17:10:52,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcef722e-7170-4d7b-8a5c-9d9a91abb472/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