./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:11,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:11,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:12,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:12,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:12,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:12,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:12,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:12,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:12,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:12,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:12,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:12,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:12,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:12,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:12,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:12,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:12,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:12,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:12,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:12,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:12,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:12,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:12,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:12,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:12,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:12,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:12,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:12,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:12,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:12,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:12,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:12,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:12,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:12,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:12,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:12,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:12,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:12,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:12,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:12,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:12,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:52:12,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:12,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:12,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:12,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:12,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:12,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:12,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:12,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:12,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:12,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:12,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:12,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:12,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:12,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:12,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:12,112 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:12,112 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:12,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:12,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:12,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:12,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:12,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:12,114 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:12,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:12,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:12,114 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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 [2021-11-23 15:52:12,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:12,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:12,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:12,383 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:12,384 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:12,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2021-11-23 15:52:12,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data/842170911/5b3de44155d6401a9d9717610b260f84/FLAGb2c703bc9 [2021-11-23 15:52:13,240 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:13,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2021-11-23 15:52:13,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data/842170911/5b3de44155d6401a9d9717610b260f84/FLAGb2c703bc9 [2021-11-23 15:52:13,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data/842170911/5b3de44155d6401a9d9717610b260f84 [2021-11-23 15:52:13,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:13,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:13,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:13,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:13,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:13,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:13" (1/1) ... [2021-11-23 15:52:13,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e02df06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:13, skipping insertion in model container [2021-11-23 15:52:13,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:13" (1/1) ... [2021-11-23 15:52:13,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:13,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:14,570 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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2021-11-23 15:52:14,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:14,675 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:14,919 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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2021-11-23 15:52:14,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:14,985 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:14,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14 WrapperNode [2021-11-23 15:52:14,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:14,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:14,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:14,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:14,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,137 INFO L137 Inliner]: procedures = 103, calls = 815, calls flagged for inlining = 27, calls inlined = 10, statements flattened = 1031 [2021-11-23 15:52:15,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:15,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:15,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:15,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:15,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:15,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:15,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:15,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:15,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:14" (1/1) ... [2021-11-23 15:52:15,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:15,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:15,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:15,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 15:52:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 15:52:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2021-11-23 15:52:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2021-11-23 15:52:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:52:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2021-11-23 15:52:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2021-11-23 15:52:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:52:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:52:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2021-11-23 15:52:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2021-11-23 15:52:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-23 15:52:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-23 15:52:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:52:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:52:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:52:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2021-11-23 15:52:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2021-11-23 15:52:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:52:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2021-11-23 15:52:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2021-11-23 15:52:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 15:52:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 15:52:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2021-11-23 15:52:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2021-11-23 15:52:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 15:52:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 15:52:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:52:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2021-11-23 15:52:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2021-11-23 15:52:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-23 15:52:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-23 15:52:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2021-11-23 15:52:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2021-11-23 15:52:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 15:52:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 15:52:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:52:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 15:52:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 15:52:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:52:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:52:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:52:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2021-11-23 15:52:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2021-11-23 15:52:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2021-11-23 15:52:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2021-11-23 15:52:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2021-11-23 15:52:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2021-11-23 15:52:15,650 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:15,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:16,066 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:52:16,849 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-11-23 15:52:16,849 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-11-23 15:52:16,976 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:17,095 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:52:17,106 INFO L158 Benchmark]: Toolchain (without parser) took 3764.81ms. Allocated memory was 102.8MB in the beginning and 222.3MB in the end (delta: 119.5MB). Free memory was 62.1MB in the beginning and 157.6MB in the end (delta: -95.5MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:17,107 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:17,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1644.61ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 61.9MB in the beginning and 63.3MB in the end (delta: -1.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:17,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.24ms. Allocated memory is still 144.7MB. Free memory was 63.3MB in the beginning and 97.9MB in the end (delta: -34.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:17,111 INFO L158 Benchmark]: Boogie Preprocessor took 88.83ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 90.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:17,112 INFO L158 Benchmark]: RCFGBuilder took 1874.67ms. Allocated memory was 144.7MB in the beginning and 222.3MB in the end (delta: 77.6MB). Free memory was 90.8MB in the beginning and 157.6MB in the end (delta: -66.8MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:17,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1644.61ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 61.9MB in the beginning and 63.3MB in the end (delta: -1.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.24ms. Allocated memory is still 144.7MB. Free memory was 63.3MB in the beginning and 97.9MB in the end (delta: -34.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.83ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 90.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1874.67ms. Allocated memory was 144.7MB in the beginning and 222.3MB in the end (delta: 77.6MB). Free memory was 90.8MB in the beginning and 157.6MB in the end (delta: -66.8MB). Peak memory consumption was 49.0MB. 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 15:52:17,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:19,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:19,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:19,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:19,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:19,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:19,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:19,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:19,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:19,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:19,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:19,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:19,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:19,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:19,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:19,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:19,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:19,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:19,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:19,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:19,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:19,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:19,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:19,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:19,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:19,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:19,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:19,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:19,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:19,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:19,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:19,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:19,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:19,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:19,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:19,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:19,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:19,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:19,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:19,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:19,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:19,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:52:19,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:19,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:19,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:19,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:19,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:19,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:19,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:19,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:19,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:19,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:19,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:19,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:19,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:19,905 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:19,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:19,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:19,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:19,905 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:19,906 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:19,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:19,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:19,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:19,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:19,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:19,907 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:19,907 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:19,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:19,908 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:19,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:19,908 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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 [2021-11-23 15:52:20,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:20,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:20,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:20,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:20,373 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:20,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2021-11-23 15:52:20,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data/515c12d7c/e5a2e4924ac74a1e9c95781cf901b944/FLAGa689b2755 [2021-11-23 15:52:21,176 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:21,177 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2021-11-23 15:52:21,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data/515c12d7c/e5a2e4924ac74a1e9c95781cf901b944/FLAGa689b2755 [2021-11-23 15:52:21,304 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/data/515c12d7c/e5a2e4924ac74a1e9c95781cf901b944 [2021-11-23 15:52:21,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:21,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:21,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:21,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:21,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:21,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:21" (1/1) ... [2021-11-23 15:52:21,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5ad503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:21, skipping insertion in model container [2021-11-23 15:52:21,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:21" (1/1) ... [2021-11-23 15:52:21,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:21,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:22,572 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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2021-11-23 15:52:22,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:22,672 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:52:22,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:22,968 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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2021-11-23 15:52:22,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:23,022 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:23,229 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_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2021-11-23 15:52:23,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:23,337 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:23,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23 WrapperNode [2021-11-23 15:52:23,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:23,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:23,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:23,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:23,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,514 INFO L137 Inliner]: procedures = 111, calls = 815, calls flagged for inlining = 27, calls inlined = 10, statements flattened = 995 [2021-11-23 15:52:23,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:23,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:23,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:23,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:23,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:23,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:23,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:23,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:23,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:23" (1/1) ... [2021-11-23 15:52:23,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:23,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:23,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:23,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 15:52:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 15:52:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:52:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2021-11-23 15:52:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2021-11-23 15:52:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:52:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:52:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2021-11-23 15:52:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2021-11-23 15:52:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:52:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:52:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-23 15:52:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-23 15:52:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2021-11-23 15:52:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2021-11-23 15:52:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-23 15:52:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-23 15:52:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:52:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:52:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2021-11-23 15:52:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2021-11-23 15:52:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:52:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2021-11-23 15:52:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2021-11-23 15:52:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2021-11-23 15:52:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2021-11-23 15:52:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 15:52:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 15:52:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:52:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-23 15:52:23,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-23 15:52:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2021-11-23 15:52:23,726 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2021-11-23 15:52:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-23 15:52:23,727 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-23 15:52:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2021-11-23 15:52:23,727 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2021-11-23 15:52:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:52:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:52:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 15:52:23,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 15:52:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:52:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:52:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:52:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:52:23,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:52:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2021-11-23 15:52:23,729 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2021-11-23 15:52:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2021-11-23 15:52:23,730 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2021-11-23 15:52:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:23,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2021-11-23 15:52:23,731 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2021-11-23 15:52:24,083 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:24,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:24,524 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:52:25,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-11-23 15:52:25,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-11-23 15:52:25,504 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:25,695 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:52:25,702 INFO L158 Benchmark]: Toolchain (without parser) took 4390.39ms. Allocated memory was 56.6MB in the beginning and 232.8MB in the end (delta: 176.2MB). Free memory was 27.9MB in the beginning and 150.5MB in the end (delta: -122.5MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:25,704 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:25,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2025.18ms. Allocated memory was 56.6MB in the beginning and 130.0MB in the end (delta: 73.4MB). Free memory was 27.8MB in the beginning and 77.6MB in the end (delta: -49.8MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:25,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 178.06ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 70.6MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:25,707 INFO L158 Benchmark]: Boogie Preprocessor took 111.80ms. Allocated memory is still 130.0MB. Free memory was 70.6MB in the beginning and 62.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:25,708 INFO L158 Benchmark]: RCFGBuilder took 2067.69ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 62.2MB in the beginning and 150.5MB in the end (delta: -88.3MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:25,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2025.18ms. Allocated memory was 56.6MB in the beginning and 130.0MB in the end (delta: 73.4MB). Free memory was 27.8MB in the beginning and 77.6MB in the end (delta: -49.8MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 178.06ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 70.6MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.80ms. Allocated memory is still 130.0MB. Free memory was 70.6MB in the beginning and 62.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2067.69ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 62.2MB in the beginning and 150.5MB in the end (delta: -88.3MB). Peak memory consumption was 23.6MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:25,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dc0f4db-8e6a-4fb1-b433-bb1c60f003e7/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