./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product18.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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:48,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:48,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:48,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:48,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:48,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:48,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:48,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:48,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:48,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:48,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:48,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:48,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:48,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:48,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:48,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:48,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:48,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:48,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:48,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:48,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:48,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:48,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:48,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:48,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:48,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:48,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:48,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:48,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:48,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:48,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:48,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:48,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:48,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:48,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:48,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:48,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:48,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:48,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:48,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:48,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:48,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:49,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:49,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:49,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:49,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:49,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:49,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:49,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:49,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:49,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:49,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:49,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:49,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:49,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:49,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:49,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:49,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:49,031 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:49,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:49,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:49,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:49,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:49,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:49,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:49,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:49,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:49,033 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:49,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:49,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:49,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566 [2021-11-23 15:57:49,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:49,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:49,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:49,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:49,340 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:49,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2021-11-23 15:57:49,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data/9778a721a/268cc20c87f741ce9a5dba337c259f50/FLAGdb7be40bd [2021-11-23 15:57:50,112 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:50,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2021-11-23 15:57:50,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data/9778a721a/268cc20c87f741ce9a5dba337c259f50/FLAGdb7be40bd [2021-11-23 15:57:50,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data/9778a721a/268cc20c87f741ce9a5dba337c259f50 [2021-11-23 15:57:50,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:50,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:50,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:50,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:50,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:50,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:50" (1/1) ... [2021-11-23 15:57:50,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b11e26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:50, skipping insertion in model container [2021-11-23 15:57:50,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:50" (1/1) ... [2021-11-23 15:57:50,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:50,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:50,994 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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c[57905,57918] [2021-11-23 15:57:51,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,063 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:51,149 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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c[57905,57918] [2021-11-23 15:57:51,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,203 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:51,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51 WrapperNode [2021-11-23 15:57:51,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:51,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:51,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,359 INFO L137 Inliner]: procedures = 127, calls = 198, calls flagged for inlining = 59, calls inlined = 50, statements flattened = 907 [2021-11-23 15:57:51,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:51,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:51,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:51,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:51,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:51,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:51,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:51,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:51,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 15:57:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 15:57:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 15:57:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 15:57:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 15:57:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 15:57:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 15:57:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 15:57:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 15:57:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 15:57:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 15:57:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 15:57:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 15:57:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 15:57:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 15:57:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 15:57:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 15:57:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 15:57:51,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 15:57:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 15:57:51,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 15:57:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 15:57:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 15:57:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 15:57:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 15:57:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 15:57:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 15:57:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 15:57:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 15:57:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 15:57:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 15:57:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 15:57:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 15:57:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:51,911 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:51,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:52,717 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:52,773 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 15:57:52,778 INFO L158 Benchmark]: Toolchain (without parser) took 2456.37ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 90.6MB in the beginning and 89.9MB in the end (delta: 636.2kB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,779 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:52,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.30ms. Allocated memory is still 127.9MB. Free memory was 90.3MB in the beginning and 75.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.84ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 70.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,782 INFO L158 Benchmark]: Boogie Preprocessor took 109.87ms. Allocated memory is still 127.9MB. Free memory was 70.5MB in the beginning and 66.7MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,783 INFO L158 Benchmark]: RCFGBuilder took 1303.10ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 66.7MB in the beginning and 89.9MB in the end (delta: -23.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.30ms. Allocated memory is still 127.9MB. Free memory was 90.3MB in the beginning and 75.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.84ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 70.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.87ms. Allocated memory is still 127.9MB. Free memory was 70.5MB in the beginning and 66.7MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1303.10ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 66.7MB in the beginning and 89.9MB in the end (delta: -23.2MB). Peak memory consumption was 16.7MB. 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 15:57:52,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:55,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:55,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:55,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:55,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:55,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:55,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:55,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:55,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:55,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:55,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:55,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:55,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:55,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:55,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:55,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:55,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:55,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:55,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:55,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:55,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:55,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:55,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:55,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:55,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:55,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:55,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:55,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:55,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:55,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:55,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:55,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:55,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:55,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:55,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:55,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:55,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:55,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:55,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:55,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:55,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:55,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:55,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:55,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:55,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:55,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:55,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:55,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:55,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:55,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:55,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:55,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:55,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:55,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:55,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:55,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:55,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:55,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:55,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:55,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:55,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:55,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:55,486 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:55,487 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:55,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:55,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:55,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:55,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:55,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:55,489 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:55,489 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:55,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:55,489 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:55,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:55,490 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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566 [2021-11-23 15:57:55,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:55,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:55,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:55,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:55,964 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:55,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2021-11-23 15:57:56,057 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data/c25933903/25edfbdef67c44fda058987556044096/FLAGa7a9cf885 [2021-11-23 15:57:56,726 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:56,733 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2021-11-23 15:57:56,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data/c25933903/25edfbdef67c44fda058987556044096/FLAGa7a9cf885 [2021-11-23 15:57:56,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/data/c25933903/25edfbdef67c44fda058987556044096 [2021-11-23 15:57:56,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:56,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:56,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:56,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:56,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:56,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693ff4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56, skipping insertion in model container [2021-11-23 15:57:56,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:57,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:57,681 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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c[57905,57918] [2021-11-23 15:57:57,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:57,745 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:57:57,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:57,889 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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c[57905,57918] [2021-11-23 15:57:57,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:57,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:58,025 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_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c[57905,57918] [2021-11-23 15:57:58,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:58,103 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:58,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58 WrapperNode [2021-11-23 15:57:58,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:58,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:58,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:58,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:58,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,228 INFO L137 Inliner]: procedures = 129, calls = 198, calls flagged for inlining = 59, calls inlined = 50, statements flattened = 866 [2021-11-23 15:57:58,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:58,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:58,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:58,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:58,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:58,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:58,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:58,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:58,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:58,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:58,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:58,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 15:57:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 15:57:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 15:57:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 15:57:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 15:57:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 15:57:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 15:57:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 15:57:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 15:57:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 15:57:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 15:57:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 15:57:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 15:57:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 15:57:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 15:57:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 15:57:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 15:57:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 15:57:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 15:57:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 15:57:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 15:57:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 15:57:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 15:57:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 15:57:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 15:57:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 15:57:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 15:57:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 15:57:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 15:57:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 15:57:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 15:57:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 15:57:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 15:57:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:58,749 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:58,751 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:59,478 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:59,547 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 15:57:59,555 INFO L158 Benchmark]: Toolchain (without parser) took 2634.78ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.2MB in the beginning and 43.5MB in the end (delta: 5.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,556 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:59,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.12ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.9MB in the beginning and 72.5MB in the end (delta: -23.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.97ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 67.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,559 INFO L158 Benchmark]: Boogie Preprocessor took 112.99ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 63.7MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,560 INFO L158 Benchmark]: RCFGBuilder took 1196.92ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 43.5MB in the end (delta: 20.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,569 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 50.3MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.12ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.9MB in the beginning and 72.5MB in the end (delta: -23.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.97ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 67.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.99ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 63.7MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1196.92ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 43.5MB in the end (delta: 20.2MB). Peak memory consumption was 20.3MB. 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 15:57:59,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fb6c0b-ed7f-461b-aa34-80d30fa640ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable