./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/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_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/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 64bit --witnessprinter.graph.data.programhash 5331bd67696ea197f59690ef0fa4ce8ca79a9b9e0c2f54802bc17b4fb4b01045 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:27,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:27,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:27,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:27,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:27,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:27,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:27,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:27,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:27,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:27,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:27,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:27,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:27,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:27,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:27,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:27,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:27,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:27,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:27,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:27,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:27,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:27,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:27,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:27,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:27,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:27,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:27,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:27,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:27,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:27,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:27,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:27,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:27,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:27,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:27,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:27,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:27,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:27,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:27,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:27,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:27,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:05:27,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:27,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:27,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:27,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:27,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:27,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:27,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:27,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:27,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:27,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:27,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:27,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:27,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:27,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:27,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:27,396 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:27,396 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:27,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:27,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:27,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:27,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:27,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:27,398 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:27,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:27,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:27,398 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_5ce64370-acdc-455f-a348-5b54cb46e53c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5331bd67696ea197f59690ef0fa4ce8ca79a9b9e0c2f54802bc17b4fb4b01045 [2021-11-23 15:05:27,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:27,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:27,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:27,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:27,725 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:27,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i [2021-11-23 15:05:27,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data/22ba4285d/34fdef2185904a61bb5fb21ea9f4b060/FLAGe4630385c [2021-11-23 15:05:29,248 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:29,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i [2021-11-23 15:05:29,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data/22ba4285d/34fdef2185904a61bb5fb21ea9f4b060/FLAGe4630385c [2021-11-23 15:05:29,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data/22ba4285d/34fdef2185904a61bb5fb21ea9f4b060 [2021-11-23 15:05:29,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:29,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:29,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:29,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:29,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:29,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac7976b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29, skipping insertion in model container [2021-11-23 15:05:29,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:30,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:35,134 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823410,823423] [2021-11-23 15:05:35,137 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823579,823592] [2021-11-23 15:05:35,137 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823746,823759] [2021-11-23 15:05:35,138 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823914,823927] [2021-11-23 15:05:35,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:35,339 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:37,139 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823410,823423] [2021-11-23 15:05:37,141 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823579,823592] [2021-11-23 15:05:37,142 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823746,823759] [2021-11-23 15:05:37,143 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823914,823927] [2021-11-23 15:05:37,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:37,385 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:37,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37 WrapperNode [2021-11-23 15:05:37,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:37,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:37,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:37,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:37,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:37,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,396 INFO L137 Inliner]: procedures = 228, calls = 23623, calls flagged for inlining = 90, calls inlined = 78, statements flattened = 6413 [2021-11-23 15:05:38,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:38,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:38,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:38,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:38,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:38,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:40,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:40,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:40,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:40,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:40,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:40,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:40,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:40,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:37" (1/1) ... [2021-11-23 15:05:40,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:40,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:40,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:40,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 15:05:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 15:05:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure sd_isoc_init [2021-11-23 15:05:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_isoc_init [2021-11-23 15:05:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:05:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:05:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:05:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:05:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure setgamma [2021-11-23 15:05:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setgamma [2021-11-23 15:05:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure sd_start [2021-11-23 15:05:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_start [2021-11-23 15:05:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure sd_setgain [2021-11-23 15:05:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_setgain [2021-11-23 15:05:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-11-23 15:05:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-11-23 15:05:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure set_dqt [2021-11-23 15:05:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dqt [2021-11-23 15:05:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure jpeg_set_qual [2021-11-23 15:05:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure jpeg_set_qual [2021-11-23 15:05:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure setexposure [2021-11-23 15:05:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setexposure [2021-11-23 15:05:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w_buf [2021-11-23 15:05:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w_buf [2021-11-23 15:05:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure setquality [2021-11-23 15:05:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setquality [2021-11-23 15:05:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:05:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 15:05:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 15:05:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-23 15:05:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-23 15:05:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:05:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:05:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:05:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 15:05:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 15:05:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:05:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure set_led [2021-11-23 15:05:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led [2021-11-23 15:05:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:05:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 15:05:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 15:05:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-23 15:05:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-23 15:05:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:05:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:05:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w_buf [2021-11-23 15:05:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w_buf [2021-11-23 15:05:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:05:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:05:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init [2021-11-23 15:05:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init [2021-11-23 15:05:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure bulk_w [2021-11-23 15:05:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bulk_w [2021-11-23 15:05:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure get_fr_idx [2021-11-23 15:05:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fr_idx [2021-11-23 15:05:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure sd_dq_callback [2021-11-23 15:05:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_dq_callback [2021-11-23 15:05:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-11-23 15:05:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-11-23 15:05:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 15:05:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 15:05:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure setframerate [2021-11-23 15:05:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setframerate [2021-11-23 15:05:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-11-23 15:05:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-11-23 15:05:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 15:05:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 15:05:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:05:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 15:05:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 15:05:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 15:05:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 15:05:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure sd_stopN [2021-11-23 15:05:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_stopN [2021-11-23 15:05:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure sd_s_ctrl [2021-11-23 15:05:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_s_ctrl [2021-11-23 15:05:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-11-23 15:05:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-11-23 15:05:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure setsharpness [2021-11-23 15:05:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setsharpness [2021-11-23 15:05:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 15:05:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 15:05:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w [2021-11-23 15:05:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w [2021-11-23 15:05:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_r [2021-11-23 15:05:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_r [2021-11-23 15:05:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init_controls [2021-11-23 15:05:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init_controls [2021-11-23 15:05:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure reg_r [2021-11-23 15:05:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_r [2021-11-23 15:05:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 15:05:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 15:05:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w [2021-11-23 15:05:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w [2021-11-23 15:05:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:41,299 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:41,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:52,313 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.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.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:52,324 INFO L158 Benchmark]: Toolchain (without parser) took 22628.70ms. Allocated memory was 134.2MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 90.8MB in the beginning and 850.3MB in the end (delta: -759.5MB). Peak memory consumption was 343.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:52,326 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 59.0MB in the beginning and 59.0MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:52,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7691.27ms. Allocated memory was 134.2MB in the beginning and 578.8MB in the end (delta: 444.6MB). Free memory was 90.4MB in the beginning and 351.6MB in the end (delta: -261.2MB). Peak memory consumption was 360.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:52,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 1008.90ms. Allocated memory is still 578.8MB. Free memory was 351.6MB in the beginning and 282.9MB in the end (delta: 68.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:52,332 INFO L158 Benchmark]: Boogie Preprocessor took 1873.47ms. Allocated memory is still 578.8MB. Free memory was 282.9MB in the beginning and 241.5MB in the end (delta: 41.4MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:52,334 INFO L158 Benchmark]: RCFGBuilder took 12048.17ms. Allocated memory was 578.8MB in the beginning and 1.2GB in the end (delta: 595.6MB). Free memory was 241.5MB in the beginning and 850.3MB in the end (delta: -608.8MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:52,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 59.0MB in the beginning and 59.0MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7691.27ms. Allocated memory was 134.2MB in the beginning and 578.8MB in the end (delta: 444.6MB). Free memory was 90.4MB in the beginning and 351.6MB in the end (delta: -261.2MB). Peak memory consumption was 360.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1008.90ms. Allocated memory is still 578.8MB. Free memory was 351.6MB in the beginning and 282.9MB in the end (delta: 68.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1873.47ms. Allocated memory is still 578.8MB. Free memory was 282.9MB in the beginning and 241.5MB in the end (delta: 41.4MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. * RCFGBuilder took 12048.17ms. Allocated memory was 578.8MB in the beginning and 1.2GB in the end (delta: 595.6MB). Free memory was 241.5MB in the beginning and 850.3MB in the end (delta: -608.8MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:52,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/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_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/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_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/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 64bit --witnessprinter.graph.data.programhash 5331bd67696ea197f59690ef0fa4ce8ca79a9b9e0c2f54802bc17b4fb4b01045 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:55,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:55,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:55,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:55,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:55,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:55,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:55,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:55,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:55,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:55,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:55,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:55,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:55,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:55,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:55,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:55,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:55,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:55,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:55,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:55,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:55,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:55,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:55,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:55,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:55,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:55,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:55,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:55,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:55,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:55,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:55,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:55,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:55,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:55,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:55,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:55,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:55,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:55,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:55,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:55,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:55,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:05:55,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:55,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:55,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:55,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:55,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:55,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:55,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:55,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:55,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:55,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:55,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:55,457 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:55,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:55,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:55,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:55,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:55,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:55,459 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:55,459 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:55,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:55,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:55,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:55,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:55,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:55,461 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:55,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:55,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:55,462 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:55,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:55,463 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_5ce64370-acdc-455f-a348-5b54cb46e53c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5331bd67696ea197f59690ef0fa4ce8ca79a9b9e0c2f54802bc17b4fb4b01045 [2021-11-23 15:05:55,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:55,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:55,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:55,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:55,968 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:55,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i [2021-11-23 15:05:56,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data/8b4850d16/ead14a3c95cf4920a6c141169c2bb43f/FLAGaaa8afc33 [2021-11-23 15:05:57,594 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:57,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i [2021-11-23 15:05:57,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data/8b4850d16/ead14a3c95cf4920a6c141169c2bb43f/FLAGaaa8afc33 [2021-11-23 15:05:58,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/data/8b4850d16/ead14a3c95cf4920a6c141169c2bb43f [2021-11-23 15:05:58,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:58,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:58,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:58,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:58,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:58,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:58" (1/1) ... [2021-11-23 15:05:58,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6672b768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:58, skipping insertion in model container [2021-11-23 15:05:58,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:58" (1/1) ... [2021-11-23 15:05:58,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:58,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:03,130 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823410,823423] [2021-11-23 15:06:03,134 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823579,823592] [2021-11-23 15:06:03,136 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823746,823759] [2021-11-23 15:06:03,137 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823914,823927] [2021-11-23 15:06:03,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:03,362 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:06:03,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:05,262 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823410,823423] [2021-11-23 15:06:05,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823579,823592] [2021-11-23 15:06:05,266 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823746,823759] [2021-11-23 15:06:05,266 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823914,823927] [2021-11-23 15:06:05,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:05,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:07,946 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823410,823423] [2021-11-23 15:06:07,947 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823579,823592] [2021-11-23 15:06:07,947 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823746,823759] [2021-11-23 15:06:07,948 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_5ce64370-acdc-455f-a348-5b54cb46e53c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[823914,823927] [2021-11-23 15:06:07,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:08,213 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:08,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08 WrapperNode [2021-11-23 15:06:08,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:08,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:08,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:08,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:08,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:08,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:09,073 INFO L137 Inliner]: procedures = 243, calls = 23623, calls flagged for inlining = 90, calls inlined = 78, statements flattened = 6289 [2021-11-23 15:06:09,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:09,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:09,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:09,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:09,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:09,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:09,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:09,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:11,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:11,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:11,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:11,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:11,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:11,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:11,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:11,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:08" (1/1) ... [2021-11-23 15:06:11,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:11,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:11,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:11,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:06:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 15:06:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 15:06:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure sd_isoc_init [2021-11-23 15:06:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_isoc_init [2021-11-23 15:06:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:06:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:06:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:06:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:06:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:06:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:06:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure setgamma [2021-11-23 15:06:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setgamma [2021-11-23 15:06:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure sd_start [2021-11-23 15:06:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_start [2021-11-23 15:06:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure sd_setgain [2021-11-23 15:06:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_setgain [2021-11-23 15:06:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-11-23 15:06:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-11-23 15:06:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure set_dqt [2021-11-23 15:06:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dqt [2021-11-23 15:06:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure jpeg_set_qual [2021-11-23 15:06:11,971 INFO L138 BoogieDeclarations]: Found implementation of procedure jpeg_set_qual [2021-11-23 15:06:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure setexposure [2021-11-23 15:06:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setexposure [2021-11-23 15:06:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w_buf [2021-11-23 15:06:11,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w_buf [2021-11-23 15:06:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure setquality [2021-11-23 15:06:11,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setquality [2021-11-23 15:06:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:06:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 15:06:11,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 15:06:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-23 15:06:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-23 15:06:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:06:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:06:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:06:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:06:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:06:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:06:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:06:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:06:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 15:06:11,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 15:06:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure set_led [2021-11-23 15:06:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led [2021-11-23 15:06:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 15:06:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 15:06:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-23 15:06:11,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-23 15:06:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:06:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:06:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w_buf [2021-11-23 15:06:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w_buf [2021-11-23 15:06:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:06:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:06:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-23 15:06:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-23 15:06:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init [2021-11-23 15:06:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init [2021-11-23 15:06:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure bulk_w [2021-11-23 15:06:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bulk_w [2021-11-23 15:06:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure get_fr_idx [2021-11-23 15:06:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fr_idx [2021-11-23 15:06:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure sd_dq_callback [2021-11-23 15:06:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_dq_callback [2021-11-23 15:06:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:06:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-11-23 15:06:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-11-23 15:06:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:06:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:06:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:06:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 15:06:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 15:06:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure setframerate [2021-11-23 15:06:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setframerate [2021-11-23 15:06:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:06:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-11-23 15:06:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-11-23 15:06:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 15:06:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 15:06:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:06:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:06:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:06:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:06:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 15:06:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 15:06:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure sd_stopN [2021-11-23 15:06:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_stopN [2021-11-23 15:06:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure sd_s_ctrl [2021-11-23 15:06:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_s_ctrl [2021-11-23 15:06:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-11-23 15:06:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-11-23 15:06:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure setsharpness [2021-11-23 15:06:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setsharpness [2021-11-23 15:06:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 15:06:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 15:06:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w [2021-11-23 15:06:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w [2021-11-23 15:06:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_r [2021-11-23 15:06:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_r [2021-11-23 15:06:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init_controls [2021-11-23 15:06:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init_controls [2021-11-23 15:06:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:06:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure reg_r [2021-11-23 15:06:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_r [2021-11-23 15:06:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 15:06:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 15:06:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w [2021-11-23 15:06:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w [2021-11-23 15:06:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:12,702 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:12,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:24,258 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.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.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:06:24,263 INFO L158 Benchmark]: Toolchain (without parser) took 26238.69ms. Allocated memory was 98.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 45.1MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 390.3MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,264 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 48.2MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:24,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 10188.99ms. Allocated memory was 98.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 44.9MB in the beginning and 680.8MB in the end (delta: -636.0MB). Peak memory consumption was 552.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 859.00ms. Allocated memory is still 1.1GB. Free memory was 680.8MB in the beginning and 613.7MB in the end (delta: 67.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,266 INFO L158 Benchmark]: Boogie Preprocessor took 2791.34ms. Allocated memory was 1.1GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 613.7MB in the beginning and 2.0GB in the end (delta: -1.3GB). Peak memory consumption was 207.6MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,267 INFO L158 Benchmark]: RCFGBuilder took 12393.16ms. Allocated memory is still 2.3GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 33.3MB). Peak memory consumption was 126.6MB. Max. memory is 16.1GB. [2021-11-23 15:06:24,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 48.2MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 10188.99ms. Allocated memory was 98.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 44.9MB in the beginning and 680.8MB in the end (delta: -636.0MB). Peak memory consumption was 552.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 859.00ms. Allocated memory is still 1.1GB. Free memory was 680.8MB in the beginning and 613.7MB in the end (delta: 67.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2791.34ms. Allocated memory was 1.1GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 613.7MB in the beginning and 2.0GB in the end (delta: -1.3GB). Peak memory consumption was 207.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12393.16ms. Allocated memory is still 2.3GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 33.3MB). Peak memory consumption was 126.6MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:06:24,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce64370-acdc-455f-a348-5b54cb46e53c/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable